Echelon 70101-R002 Utility Network Telemetry and Control Device User Manual ECN 7000 Series Hardware and Installation Guide

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Edge Control Node 7000
Series Hardware and
Installation Guide
078-0455-01A
Echelon, LONWORKS, Neuron, 3120, and the Echelon logo are
trademarks of Echelon Corporation registered in the United
States and other countries.
Other brand and product names are trademarks or
registered trademarks of their respective holders.
Neuron Chips, Smart Transceivers, and other OEM Products
were not designed for use in equipment or systems, which
involve danger to human health or safety, or a risk of
property damage and Echelon assumes no responsibility or
liability for use of the Neuron Chips or Smart Transceivers in
such applications.
Parts manufactured by vendors other than Echelon and
referenced in this document have been described for
illustrative purposes only, and may not have been tested
by Echelon. It is the responsibility of the customer to
determine the suitability of these parts for each
application.
ECHELON MAKES AND YOU RECEIVE NO WARRANTIES OR
CONDITIONS, EXPRESS, IMPLIED, STATUTORY OR IN ANY
COMMUNICATION WITH YOU, AND ECHELON SPECIFICALLY
DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE.
No part of this publication may be reproduced, stored in a
retrieval system, or transmitted, in any form or by any means,
electronic, mechanical, photocopying, recording, or
otherwise, without the prior written permission of Echelon
Corporation.
Printed in the United States of America.
Copyright © 2011 Echelon Corporation.
Echelon Corporation
www.echelon.com
Welcome
To improve both reliability and efficiency, national and regional power
distribution grids must become smarter. They must also be able to manage
themselves using intelligent distributed control and be able to communicate with
any device, over any network or protocol, to optimize grid operations and
anticipate problems before they occur.
The Echelon® Edge Control Node (ECN) 7000 Series of open and extensible
hardware products enable power distribution grids to become smarter. The ECN
7000 Series distributes the intelligence that public and private electrical power
utilities need to monitor and control devices at the edge of the grid. The edge of
the grid is the critical point where the distribution network connects to customers
and where energy supply and demand are becoming increasingly unpredictable
and complex.
The ECN 7000 Series is powered by the Echelon Control Operating System (COS)
software platform, which is part of the Echelon Networked Energy Services
(NES) system. COS software provides an open, secure, and modular software
framework that allows you to host hundreds of new applications that are needed
for a smarter grid. This powerful hardware and software combination brings
intelligent distributed control to the edge of the grid for maximum reliability,
survivability, and responsiveness.
This manual describes the hardware within for the ECN 7650 device. It also
describes how a utility worker installs an ECN 7650 device on a utility power
pole or a transformer pad.
Audience
This document assumes that you have a good understanding of medium (<50 kV)
and low (<1 kV) voltage electrical power distribution grids. You should also
understand the communications requirements for your grid applications, and be
comfortable working with printed circuit board (PCB) cards.
For the installation information, you should be able to make electrical
connections to medium and low power distribution transformers, and be able to
make physical connections for electrical devices within the medium and low
power electrical distribution grid. You must also understand the safety
requirements for working within this environment.
Related Documentation
The following manuals are available from the Echelon Web site
(www.echelon.com) and provide additional information that can help you deploy
Edge Control Node devices and develop applications for them:
•
Edge Control Node 7000 Series Expansion Card Development Guide (0780448-01A). This manual describes the functional requirements for thirdparty development of expansion cards that plug into the ECN 7000 Series
of products.
•
Getting Started with the Edge Control Node (ECN) (078-0452-01A). This
document guides you through general activities for the ECN, such as
ECN 7000 Series Hardware Guide
iii
connecting the ECN hardware, installing the COS software, configuring
an ECN, creating and deploying a custom COS app, creating an ECN
component, and deploying that component to multiple ECNs.
•
COS User's Guide (078-0456-01A). This document describes how to
configure the COS software and use its applications to manage grid
control networks.
•
COS App Developer’s Guide (078-0453-01A). This guide describes how to
create and use apps on your ECN, and how to localize the language of the
COS Web interface.
•
COS Programmer’s Reference (078-0462-01A). This guide provides the
application programming interface (API) reference information for COS
app development.
All of the Echelon documentation is available in Adobe PDF format. To view the
PDF files, you must have a current version of the Adobe Reader, which you can
download from Adobe at: get.adobe.com/reader.
FCC Notice
Federal Communications Commission Radio Frequency Interference
Statement
This equipment has been tested and found to comply with the limits for a Class B
digital device pursuant to Part 15 of the FCC Rules, per sections 15.107 and
15.109. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the manufacturer’s instruction manual, may cause interference
with radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning
the equipment off and on, you are encouraged to try to correct the interference by
one or more of the following measures:
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and the receiver.
•
Connect the equipment into an outlet on a circuit different from that
which the receiver is connected.
•
Consult the dealer or an experienced radio/television technician for
help.
Changes or modifications not expressly approved by Echelon Corporation could
void the user’s authority to operate the equipment.
RF Statements
This equipment also complies with the limits for wireless devices per FCC
sections 15.203, 15.205, 15.207, 15.209, 15.247, and 15.407. It uses frequency 2.4
GHz per Institute of Electrical and Electronics Engineers (IEEE) standard
802.15.4-2006, and uses a frequency bandwidth from 2400 MHz to 2483.5 MHz.
Table 1 on page v lists the RF configurations for the ECN 7650 device.
iv
Table 1. RF Transmitter Options
FCC ID Number
Model Numbers
Radio Transmitter Options
IZP70101-R000
TBD
No radio transmitters
IZP70101-R001
TBD
Dual Band CDMA2000/EV-DO cellular
data communications module operating
in the 800 MHz cellular band and
1800/1900 MHz PCS band
IZP70101-R002
TBD
Dual band (2.4 and 5.8 GHz) Wi-Fi™
access point module
IZP70101-R003
70101-0021
Dual Band CDMA2000/EV-DO cellular
data communications module operating
in the 800 MHz cellular band and
1800/1900 MHz PCS band
70101-0020
70101-0022
70101-0023
Dual band (2.4 and 5.8 GHz) Wi-Fi
access point module
70101-0025
This equipment complies with the FCC RF radiation exposure limits set forth for
an uncontrolled environment. This equipment should be installed and operated
with a minimum distance of 28 centimeters between the radiator and your body.
This transmitter must not be co-located or operating in conjunction with any
other antenna or transmitter.
Important: Any changes or modifications not expressly approved by Echelon
Corporation to the RF communications capabilities of the ECN unit could void
FCC compliance of the device. Retesting of the ECN with the modifications to
comply with FCC regulations is the customer’s responsibility.
EMC and Safety Statements
TÜV
ECN 7000 Series Hardware Guide
Certified per EN 60950: 2000, IEC60950: 2000,
and UL60950 by TÜV under NRTL
Table of Contents
Welcome ......................................................................................................... iii
Audience ........................................................................................................ iii
Related Documentation ................................................................................ iii
FCC Notice .................................................................................................... iv
RF Statements............................................................................................... iv
EMC and Safety Statements ......................................................................... v
Chapter 1. Introduction................................................................................... 1
Overview of the ECN 7000 Series ................................................................. 2
ECN Hardware Architecture ......................................................................... 3
Main Board .............................................................................................. 6
Power Management ................................................................................. 7
Main Power Supply ........................................................................... 7
Peripheral Power Control ................................................................. 8
Watchdog and Reset.......................................................................... 9
Internal Sensors .................................................................................... 11
Enclosure Cover Removal Sensor .................................................. 11
Tilt Sensor ....................................................................................... 11
Temperature Sensor ....................................................................... 11
Secondary Voltage Sensing ............................................................ 11
Primary and Secondary Current Sensing ..................................... 12
Real-Time Clock ..................................................................................... 12
Communications Interfaces .................................................................. 13
Power Line Communications ......................................................... 14
Ethernet ........................................................................................... 15
Wi-Fi ................................................................................................ 16
EV-DO .............................................................................................. 16
USB .................................................................................................. 16
Serial ................................................................................................ 16
Multi-Utility Meters ....................................................................... 16
Digital .............................................................................................. 17
GPS .................................................................................................. 17
Antenna Support ................................................................................... 17
Expansion Card Architecture ............................................................... 17
Backup Battery ...................................................................................... 18
Chapter 2. Installing Components and Troubleshooting...................... 19
Installing Components ................................................................................. 20
Removing the Cover .............................................................................. 20
Removing the Card Cage ...................................................................... 20
Removing RF Shields ............................................................................ 21
Installing an Expansion Card ............................................................... 22
Installation for Card Types A and B .............................................. 22
Installation for Card Type C .......................................................... 23
Installation for Card Type D .......................................................... 23
Installation for Card Type E .......................................................... 23
Installing an Antenna ........................................................................... 24
Troubleshooting ............................................................................................ 25
Chapter 3. Pole Mount Installation ............................................................ 27
Introduction .................................................................................................. 28
Required Tools .............................................................................................. 28
ECN 7000 Series Hardware Guide
vii
Installation Location .................................................................................... 29
Preparing for Installation ............................................................................ 29
Performing the Installation ......................................................................... 29
Attach Pole Mounting Bracket ............................................................. 30
Attach ECN to Pole Mounting Bracket ................................................ 30
Secure ECN to Pole Mounting Bracket ................................................ 31
Connect the ECN to Power and the Network ...................................... 32
Complete the Installation ..................................................................... 33
Verifying Successful Installation ................................................................ 33
Chapter 4. Pad Mount Installation ............................................................. 35
Introduction .................................................................................................. 36
Required Tools .............................................................................................. 36
Installation Location .................................................................................... 37
Preparing the Transformer Pad .................................................................. 37
Preparing for Installation ............................................................................ 37
Performing the Installation ......................................................................... 38
Extend Pad Mounting Bracket ............................................................. 38
Attach Pad Mounting Bracket to Lifting Nut ...................................... 39
Attach Conduit Housing to Pad Mounting Bracket ............................ 40
Insert Conduit Thread into Conduit Housing ..................................... 41
Attach ECN to Pad Mounting Bracket................................................. 42
Secure ECN to Pad Mounting Bracket ................................................ 43
Connect the ECN to Power and the Network ...................................... 44
Close and Lock the Conduit Housing ................................................... 45
Complete the Installation ..................................................................... 46
Verifying Successful Installation ................................................................ 48
Chapter 5. Field Replacement for an ECN 7000 Series Device ............ 49
Overview ....................................................................................................... 50
Replacing a Pole-Mounted ECN .................................................................. 50
Replacing a Pad-Mounted ECN .................................................................. 51
Replacing the Battery Pack ......................................................................... 51
Appendix A. ECN 7000 Series Specifications ........................................... 55
General Specifications ................................................................................. 56
Environmental Rating Specifications ......................................................... 57
Mechanical Specifications............................................................................ 57
Electrical Specifications ............................................................................... 58
Safety Specifications .................................................................................... 59
EMC Specifications ...................................................................................... 59
FCC Specifications ....................................................................................... 60
Communication Specifications .................................................................... 60
External Connection Specifications ............................................................ 61
Life Expectancy ............................................................................................ 62
Appendix B. Safety and High-Voltage Warnings ..................................... 63
Safety and High-Voltage Warning .............................................................. 64
Safety Warning ............................................................................................ 67
Appendix C. ESD and Battery Warnings ................................................... 69
ESD Warning ............................................................................................... 70
Battery Warning .......................................................................................... 71
viii
1
Introduction
This chapter introduces the ECN 7000 Series of products,
and describes the ECN hardware architecture.
ECN 7000 Series Hardware Guide
Overview of the ECN 7000 Series
Residential and commercial energy customers are increasingly focused energy
efficiency and reliability, while also reducing the environmental impact of
electricity use. National and regional power distribution grids in the 21st century
must address these customer concerns, while at the same time monitoring
electricity as it flows through many types of devices and transmission media
(substation elements, high, medium, and low voltage power lines, capacitor
banks, transformers, meters, communicating thermostats, load-control devices,
and so on).
A modern smart power grid network must be able to manage itself using
intelligent distributed control and be able to communicate with any device, over
any network or protocol, to optimize grid operations and anticipate problems
before they occur.
The Echelon Edge Control Node (ECN) 7000 Series of open and extensible
hardware products enable power distribution grids to become smarter. The ECN
7000 Series distributes the intelligence that public and private electrical power
utilities need to monitor and control devices at the edge of the grid. The edge of
the grid is the critical point where the distribution network connects to customers
and where energy supply and demand are becoming increasingly unpredictable
and complex.
The ECN 7000 Series of products use the Echelon Control Operating System
(COS) software platform, which provides the open, secure and modular software
framework needed to host hundreds of new applications needed for a smarter
grid. This powerful combination of hardware and software brings intelligent
distributed control to the edge of the grid for maximum reliability, survivability,
and responsiveness.
The ECN 7650 is the first member of the ECN 7000 Series of products. The ECN
7650 supports a variety of local, wide-area, and radio frequency (RF) networks,
with up to nine antennas, all contained within the ECN 7650 enclosure to protect
them from the weather and to reduce vandalism and security risks.
An ECN 7650 device can accommodate a variety of expansion cards depending on
form factor, power requirements, and communications technology. For example,
you might design one card for RF communications and another for wired
communications.
Third-party vendors can develop ECN expansion cards for the following example
applications:
•
Wide-area network (WAN) communications, for example for 2G, 3G, or
4G networks
•
Metering applications, such as 868 MHz or 900 MHz transceivers for gas,
water, heat, and other metering and communications systems
•
Analog or digital I/O
•
Local device or network interfaces
By combining an extensible hardware architecture with the COS software
platform, the ECN 7000 Series of products provides 21st century management for
the smart grid.
Introduction
The cover of the ECN 7650 is secured with one-way screws, which virtually
eliminates unauthorized access. When the ECN 7650 is pad mounted, you secure
the power and network connections inside a metal housing with a padlock. The
ECN 7650 is also rugged and sturdy enough to allow a person (for example, a
utility working gaffing a utility pole) to step on it.
The ECN 7650 is designed for quick and secure installation using a rapid-mount
bracket on either a utility pole or a pad-mounted distribution transformer.
Because the ECN 7650 is small enough and light enough to hand carry,
installation is simple and easy.
ECN Hardware Architecture
The ECN 7650 is a small, lightweight box that contains all of the hardware to
support the COS software platform and third-party applications. The hardware
architecture includes the following elements:
•
Main board
•
Measurement processor and internal sensors
•
Real-time clock
•
System cards
•
Expansion cards
•
Optional backup battery
These hardware elements are housed in a rigid plastic enclosure that provides
protection for the electronics. Figure 1 on page 4 shows a high-level view of the
ECN architecture.
ECN 7000 Series Hardware Guide
MV/LV
CT
Cover
Switch
Digital
Input
Mains Power
ECN ENCLOSURE
Analog/Digital Input
Measurement
Processor
Internal Sensors
Power Supply
Optional Backup
Battery
Main Processor
External Communications Interfaces
USB /
Serial
Ethernet
Modem +
Antenna
PLC
Figure 1. ECN Hardware Architecture
The ECN main processor manages the other hardware components within the
ECN and runs the COS system software and related applications. The main
processor communicates with a measurement processor that monitors the overall
health of the ECN unit, including internal sensors and certain input data. The
measurement processor also provides a hardware watchdog function to ensure
that the main processor remains responsive.
The ECN main processor also communicates with system cards and expansion
cards that provide the communications interfaces for the ECN. It is these cards
that allow the ECN to communicate with smart meters, home area networks,
wide area networks, and the Internet.
Inside the ECN enclosure, all of the hardware is further enclosed in an inner card
cage that protects the main processor, the system cards, and the expansion cards
from exposure to the communications frequencies emitted from the antennas
located at the periphery of the ECN unit. Figure 2 on page 5 shows the ECN
with its external cover removed so that the inner card cage is visible. Also visible
in the figure are the antenna holders at the edges of the enclosure.
Introduction
Figure 2. The ECN Inner Card Cage
Figure 3 on page 6 shows the ECN removed from its enclosure and with the
inner card cage removed. The figure highlights the locations of the expansion
slots. Also visible are the ECN system slots and the main board. The antenna
holders are more visible as well.
ECN 7000 Series Hardware Guide
Figure 3. ECN Expansion Slots
The expansion slots allow you to customize the functionality provided by the ECN
to suit your application’s needs. Typically, an expansion card provides additional
communications interfaces for the ECN, but it can also provide additional
software applications to complement the COS system software.
Main Board
The ECN main board includes the power supply back end, USB hubs with power
control, and high bandwidth interconnects for the system cards and expansion
cards. There are six expansion slots available on the backplane, each allocated
with its own backplane communications interface. See the Edge Control Node
7000 Series Expansion Card Developer’s Guide for more information about the
expansion cards. You can access all expansion by removing the enclosure front
cover and the inner card cage.
The ECN system processor has four high bandwidth interfaces available for use
by external peripherals: two USB hosts and two SPI ports for Ethernet
connectivity. The SPI interfaces are only used for direct connectivity to Ethernet
devices, but the USB interfaces are available on the backplane for the expansion
slots. These system resources are optimized for high performance
communications between devices with higher bandwidth requirements, such as
EV-DO modems and Wi-Fi™ devices.
Introduction
Figure 4 shows the relationships between the main processor and the backplane.
Some of the functionality is provided by system cards, and the rest is provided by
expansion cards.
Main Processor
USB Hub
EV-DO
Modem
Expansion
Card
Expansion
Card
Ethernet
Free USB
Port
Broadband
Ethernet
USB Hub
USB/Serial
Expansion Card
USB/Serial
USB Hub
USB/Serial
USB/Serial
PLC
Transceiver
PLC
Transceiver
Battery
Mgmt
Free USB
Port
Figure 4. ECN Main Board Architecture
Power Management
The ECN main board includes the power supply for the ECN unit, as well as for
the system cards and expansion cards. To maintain data integrity, the ECN
includes several watchdog and reset functions.
Main Power Supply
The ECN power supply is capable of operating on any phase of a 3-wire 120/240
VAC or 120/208 VAC network, making it compatible with network and non-network
transformers. The power can provide up to 30 W of continuous power, which is
ideal for RF applications where low radiated emissions are critical.
The main component of the power supply is located at the top of the ECN main
board, where the Faraday cage can provide adequate ventilation to prevent
excessive heating of the expansion cards.
Power-Up Function
On power-up, the ECN unit is held in reset by hardware watchdog circuitry until
the power supply stabilizes at its operating threshold. This function provides a
ECN 7000 Series Hardware Guide
soft-start mechanism for the ECN system processor and expansion cards, and
prevents heavy loading on the power supply while line voltages are settling.
When the power supply is stable, reset is released and a “wake-up” interrupt is
issued to the measurement processor, which has been operating in watch mode
while power was off. During initialization, the measurement processor starts to
monitor the AC line voltage and begins its other measurement tasks.
Power-Down Function
While the ECN is operational, the measurement processor continually monitors
line voltages. When the line voltage drops below 50% of nominal for longer than
one minute, the system performs its power-down procedure:
•
The system processor completes housekeeping tasks.
•
If the ECN unit includes backup batteries, the ECN switches to battery
power.
•
If the ECN unit does not include backup batteries, the main system
processor and all expansion cards are held in reset and the measurement
processor enters watch mode. In this mode, the real-time clock and
tamper functions are maintained.
For line voltage drops of less than one minute, the ECN operates in brown-out
mode, with internal capacitance providing temporary power to the ECN unit.
WARNING: Wait at least one minute after removing mains power from an ECN
unit before opening the cover and handling internal components, including
expansion cards.
Brown-Out Function
If the line voltage sags for longer than one second, but remains 50% to 80% of
nominal, the ECN runs in a reduced state of operation known as brown-out. In
this state, the ECN effectively operates as if it was in battery back-up mode, but
power continues to be taken from the line voltage, not the battery. The
measurement processor continues to monitor line voltage and hold the system in
brown-out state until power is either restored or removed.
Line voltage sags of less than one second are ignored and do not trigger a brownout event.
Energy Saving Mode
The ECN also provides a “Burst Mode Control” option. When in burst mode, the
power supply runs more efficiently. The burst mode circuit operates as a type of
relaxation oscillator where the output voltage from the power supply switches
between 11.8 VDC and 14.0 VDC. The burst mode operates when the temperature
is greater than 60 °C, thereby reducing the power dissipation inside the ECN
enclosure.
Peripheral Power Control
Power for the USB hubs and expansion cards is derived from the main power
supply on the ECN main system board. The hubs are powered by a single +5 V
Introduction
convertor, whereas each expansion slot has its own convertor. Thus, the
expansion cards can be designed to use a different voltage value, as needed. See
the Edge Control Node 7000 Series Expansion Card Developer’s Guide for more
information.
The ECN main system processor can control power management for each of the
USB hubs and expansion slots. When the main processor is held in reset
(because of a watchdog or brown-out event), the expansion slots are automatically
turned off.
Software applications that run on the main processor can also control the USB
power. For example, if a particular application senses a problem with a specific
communications card, it can cycle power to that card to reset it. Alternatively,
applications can turn off individual communications cards to reduce overall
power consumption (for example, when the ECN is operating from battery backup power).
Watchdog and Reset
The ECN includes a number of watchdog and reset functions:
•
System watchdog and reset (hardware only)
•
Measurement processor watchdog (software only)
•
Main system processor watchdog (software only)
•
Expansion card watchdog and power control (hardware and software)
Figure 5 on page 10 shows the relationships between the various watchdog and
reset functions. The following sections describe the functions.
ECN 7000 Series Hardware Guide
Hardware
Watchdog
I/O Toggle
System Health Monitor
Measurement
Processor
Keep Alive
System
Health
Monitor
Main
Processor
Peripheral
Monitor
Reset
USB Power/Data
Reset
Serial
USB Power/Data
USB Hub
Peripheral
Figure 5. Watchdog Functions
System Watchdog and Reset
A dedicated processor provides hardware watchdog functionality for the entire
ECN system. The watchdog has master reset control over both the ECN main
system processor and the measurement processor.
The measurement processor maintains the watchdog with a 1.6 second refresh
signal. If the measurement processor fails to provide this signal, the hardware
watchdog automatically initiates a system reset. A system reset all processors,
USB hubs, communications devices, and expansion cards to causes reinitialize.
Measurement Processor Watchdog
The ECN measurement processor runs a software process to maintain a software
watchdog for the processor. If there is a malfunction of the measurement
scheduler, the software watchdog initiates a reset or a power cycle of the
processor, which causes a full system reset or power cycle for the ECN unit.
System Processor Watchdog
The ECN main system processor runs a process to maintain a software watchdog
for the processor. If there is a malfunction, the software watchdog initiates a
reset or a power cycle of the processor, which also causes all expansion cards to
be reset or power cycled.
Expansion Card Watchdog and Power Control
The ECN main system processor has power control over all peripherals, including
USB hubs and expansion slots. Applications running on the main system
10
Introduction
processor can monitor the health of each of the expansion cards through the USB
interface.
Internal Sensors
The ECN includes internal sensors to detect removal of the external cover,
change in the title angle of the unit, internal temperature, secondary voltage, and
current.
Enclosure Cover Removal Sensor
The ECN includes a reed switch that is mounted in the enclosure cover for
sensing removal of the enclosure cover. When the enclosure cover is removed, the
measurement processor raises an alarm that you can monitor remotely.
Cover switch sensing continues to operate when power is removed.
Tilt Sensor
The ECN includes a ball bearing tilt sensor that is mounted on the ECN main
processor card for sensing changes in tilt angle of the unit. This sensor allows
you to determine remotely if the ECN has fallen from or been removed from its
pole or pad mounting. When the tilt angle exceeds 30º, the sensor triggers an
alarm.
The detection circuitry is monitored by the measurement processor after power is
removed.
The tilt sensor is available as a factory option.
Temperature Sensor
The ECN includes an internal temperature sensor that provides a linear output
voltage proportional to local temperature, from –55 ºC to +130 ºC. This sensor is
monitored directly by the measurement processor.
Temperature measurements are used to compensate the real-time clock and
power supply voltages. They can also be used to generate alarms in the event
that the internal temperature approaches maximum permissible levels.
If the internal temperature of the ECN enclosure exceeds the maximum
operating limits (105 ºC), a protection circuit turns off the main power. This
shutdown protects the electronics within the enclosure and also prevents the
ECN from reaching unsafe temperature levels.
Secondary Voltage Sensing
The ECN power supply system card includes isolated voltage transformers that
card are connected to the ECN line inputs. Each transformer provides a low
voltage signal that is proportional to the line voltage, with signal amplitude of 5
Vp-p at 300 VAC. Voltages above and below the power supply rail limits are
clamped by protection devices on the power supply card.
The motherboard backplane connects the low voltage signals to the ECN power
supply system card and the ECN main processor system card. The measurement
ECN 7000 Series Hardware Guide
11
processor processes the signals in real time. If you connect secondary current
transformers (CTs), the measurement processor can calculate VRMS and monitor
power quality events (such as sag, swell, line frequency, harmonic content, and
energy).
The voltage measurement circuitry can be calibrated at the factory to provide
increased accuracy. With calibration it is possible to achieve better than 2%
accuracy for VRMS readings.
The secondary voltage sensor is available as a factory option.
Primary and Secondary Current Sensing
You can connect the ECN main processor system card to up to three external
current transformers or Rogowski coils. Because the type of sensor technology
determines the signal conditioning circuitry needed, the analog conditioning
circuit is located on an adaptor board that is fitted to the ECN processor system
card. Thus, a change in this circuit does not require a new processor system card,
but only the replacement of the conditioning circuit.
The external sensors provide isolated voltages proportional to the current
waveform to the ECN processor system card through connectors mounted in the
ECN’s external connection panel. The sensor inputs can be connected to either
the primary or secondary lines of the transformer.
The typical supported current sensors provide either the standard 0.333 VAC full
scale output or di/dt output. In the case of the 0.333 V standard, the signal
conditioning circuit consists of three differential amplifiers. In the case of the
Rogowski coils, it consists of three voltage integrators.
The 0.333 V standard is supported by multiple vendors with clamp-on current
transformers covering primary currents from 200 A to 2 kA. The di/dt sensors or
Rogowski sensors are more flexible than CTs and are available in various forms
that can be wrapped around awkwardly shaped bus bars.
The signals from the conditioning circuit are fed to the measurement processor so
that IRMS can be calculated in real time. If the current sensors are on the
secondary of the transformer, then IRMS and VRMS measurements can be combined
to calculate total power, reactive energy, and active energy.
The current measurement circuitry can be calibrated at the factory to provide
increased accuracy. With calibration it is possible to achieve better than 2%
accuracy for IRMS readings.
Real-Time Clock
The ECN measurement processor provides real-time clock function for the ECN
unit. The real-time clock is accurate to at least +/- 6 ppm (6 µs drift). This tight
accuracy is achieved by calibrating the clock during manufacturing.
The ECN measurement processor adjusts the real-time clock, as needed, based on
internal temperature measurements to maintain clock accuracy over the
operating temperature range of the ECN. The COS system software can also
adjust the real-time clock in the field, as needed.
When mains power is removed from ECN, the measurement processor switches
to battery backup power to maintain the real-time clock. In this mode, the
12
Introduction
processor is powered from a non-replaceable 3 VDC lithium battery located on the
processor card. Tamper functions are also maintained during this period. This
battery provides at least 10 years of functionality for the real-time clock. If you
plan to store the ECN for significant periods of time, the measurement processor
can be placed in stop mode to further extend the effective life (up to 20 years).
When power is first applied to an ECN in this state, the COS system software
enables watch mode and updates the date and time.
When mains power is restored, the real-time clock time and date registers are
updated along with the tamper status.
Communications Interfaces
The ECN supports many communications interfaces. Some, such as power line
communications, are supported by system cards that are included with the ECN
or are available as orderable options. Others, such as wireless modems, are
supported by expansion cards provided by third-party manufacturers.
This section describes the many communications interfaces supported by the
ECN. Some communications interfaces are available as factory options, as shown
in Figure 6 on page 14. In the figure, options are shown with dashed lines. The
following sections describe each of the communications interfaces available for
the ECN.
ECN 7000 Series Hardware Guide
13
RF Options: Wi-Fi and EV-DO (FCC ID IZP70101-R003)
Main Processor
Power Line
Ethernet
Wi-Fi
USB
EV-DO
Serial
Multi-Utility
Meter
Digital
GPS
Serial
Multi-Utility
Meter
Digital
GPS
Serial
Multi-Utility
Meter
Digital
GPS
Serial
Multi-Utility
Meter
Digital
GPS
RF Options: Wi-Fi Only (FCC ID IZP70101-R002)
Main Processor
Power Line
Ethernet
Wi-Fi
USB
RF Options: EV-DO Only (FCC ID IZP70101-R001)
Main Processor
Power Line
Ethernet
EV-DO
USB
RF Options: None (FCC ID IZP70101-R000)
Main Processor
Power Line
Ethernet
USB
Figure 6. RF Communications Options for the ECN
Power Line Communications
Two of the ECN system cards provide support for Echelon’s Power Line
technology within the communications frequencies defined by the comité
européen de normalization electrotechnique 1 (CENELEC) EN 50065-1 media
access protocol standard. One card supports the CENELEC A Band (3 kHz to 95
kHz) and the other card supports the CENELEC C Band (125 kHz to 140 kHz).
The A Band is typically restricted to electricity suppliers and their licensees; it is
also used by Echelon’s NES System, the advanced metering infrastructure (AMI)
1 European Committee for Electrotechnical Standardization
14
Introduction
within the COS software platform. The C Band is typically used for commercial
and residential applications, such as those that use LONWORKS communications
channels.
Each Power Line Communications card contains the following components:
•
An Echelon PL 3120® Power Line Smart Transceiver, configured for
communications within the A Band or the C Band
•
Appropriate Power Line coupling circuit
•
Voltage transformer for secondary line-voltage monitoring
•
Zero-crossing detector
•
High-voltage rectifiers with surge protection
•
A USB Hub and associated USB-to-serial converter for communicating
with the ECN main system processor
The following features of the Echelon PL 3120 Power Line Smart Transceiver
provide high performance communications over power lines:
•
Unique dual-carrier frequency feature, which automatically selects an
alternate secondary communications frequency if the primary frequency
is blocked by noise.
•
Highly efficient, patented, low-overhead forward error correction
algorithm to overcome errors induced by noise.
•
Sophisticated algorithms for digital signal processing, noise cancellation,
and distortion correction. These features correct for a wide variety of
signaling impediments, including impulsive noise, continuous-tone noise,
and phase distortion.
A Power Line Smart Transceiver requires an isolated coupling circuit tuned to its
specific transmission frequencies to be able to inject its signal into the low
impedance power cables. The power amplifiers are capable of delivering a 10 Vp-p
(2 Ap-p) signal into the power lines.
The coupling circuits are specially tuned transformers that provide isolation
between the high-voltage power lines and the low-voltage Power Line Smart
Transceiver.
Whenever line voltage is removed from the ECN, the main system processor
holds the Smart Transceivers in reset or powers them off. See Power
Management on page 7.
Ethernet
The ECN main system board provides two Media Access Control (MAC) physical
layer (PHY) ports that provide support for the IEEE 802.3 standards for
Ethernet-over-twisted-pair networking. The Ethernet 10/100 interfaces support
two different speeds of Ethernet on the same port: 10BASE-T (10 Mbit/s) and
100BASE-TX (100 Mbit/s). The Ethernet MAC PHYs are connected to the SPI
ports of the main system processor.
ECN 7000 Series Hardware Guide
15
The ECN external connection panel includes two 8 Position 8 Contact (8P8C; also
known as RJ45) modular connectors for connecting to the Ethernet network. You
can use standard ANSI/TIA/EIA-568-A Category 5 cable in either the T568A or
T568B wiring configuration. These Ethernet connectors have built-in
transformers on the ECN main system board.
The external connector is included with the External Connections + Serial option.
Wi-Fi
The ECN can include a Wi-Fi access point that supports simultaneous dual-band
Wi-Fi clients.
An option is also available that supports the draft IEEE 802.11s Wi-Fi meshing
standard.
EV-DO
The ECN can include an Evolution-Data Optimized (EV-DO) modem that
conforms to the TIA-856 Rev. B standard. For US models, the modem has been
certified through the Verizon Wireless™ Open Development program to operate
with the Verizon Wireless 3G network. Thus, the ECN can provide broadband
Internet access to devices at the edge of the Smart Grid.
USB
The ECN main system board includes two Universal Serial Bus (USB) host
controllers. These hosts allow connectivity to the three USB hubs that are
included on the ECN main processor system card and to the six expansion slots.
The USB hosts support the USB 1.1 specification at either 1.5 Mbit/s (LowBandwidth) or 12 Mbit/s (Full-Bandwidth).
All expansion slots support a USB power interconnect (+1.8 VDC to +12 VDC
variable-voltage input determined by the expansion card) and USB data
interconnect.
Serial
The ECN can include serial communications connectors that provide serial ports
for communicating with serial devices. The serial ports use standard 5-wire EIA232 interface with a standard 9-pin female DE-9 connectors.
There is also an optional Distributed Network Protocol (DNP3) driver available
for process automation and distribution automation systems.
The serial connections are included with the External Connections + Serial
option.
Multi-Utility Meters
The ECN expansion slots support several wired and wireless technologies that
allow the ECN to monitor advanced multi-utility meters, such as water and gas
meters. Thus, the ECN can gather information about many forms of energy and
power being used at the edge of the Smart Grid. For example, you can install an
expansion card with a modem to connect to a Badger® Meter ORION® system or
16
Introduction
an Itron® Energy Gateway with an Itron Encoder-Receiver-Transmitter (ERT®)
module.
The end points for such multi-utility meters typically transmit their register
readings periodically (for example, every 8 seconds for a Badger meter), so the
reader must be able to capture these readings and transmit them to the ECN,
which forwards the information to the back end software.
Digital
The ECN external connection panel includes a digital input connector that
connects the measurement processor to external devices. The measurement
processor monitors changes in state of the input, and raises an alarm for state
changes. You can monitor the alarms remotely.
GPS
The ECN has a built-in Global Positioning System (GPS) modem operating at
1575.42 MHz. The GPS antenna is an active 12-channel antenna, mounted near
expansion slot 5 in the outer plastic enclosure.
Antenna Support
EV-DO modems operating in the 800 MHz and 1900 MHz bands, or modems that
operate within 900 MHz industrial, scientific and medical (ISM) radio bands,
typically require two dual-band antennas for diversity operation. If both
antennas are mounted with the same polarization, the antennas must be
separated by approximately 16.5 cm (6.5 in). However, if one antenna is
mounted vertically and the other antenna is mounted horizontally (that is, they
have polarization diversity), the two antennas can be located in close proximity to
one another. The antenna for an EV-DO or ISM radio system is a ½ wave length
antenna that does not require a ground plane or counterpoise. Thus, the antenna
is approximately 12 cm (5 in) in length.
The antennas are mounted in the outer plastic enclosure and connect directly to
the expansion card using coax cable.
Expansion Card Architecture
An ECN device can accommodate a variety of expansion cards depending on form
factor, power requirements, and communications technology. Because each
application has different requirements for its expansion card, the ECN provides
six expansion slots, each of which can support one or more types of expansion
card.
All expansion slots support a USB power interconnect (+1.8 VDC to +12 VDC
variable-voltage input determined by the expansion card) and USB data
interconnect. Expansion slot 6 also provides an Ethernet connection.
See the Edge Control Node 7000 Series Expansion Card Developer’s Guide for
more information about the requirements for each expansion card type. The
guide also describes the requirements for each device’s antennas.
ECN 7000 Series Hardware Guide
17
Backup Battery
To provide power to the ECN unit during extended power outages, the ECN can
optionally be fitted with a backup battery. The ECN enclosure includes a
separate compartment for the battery module. Within this compartment, a blindmate electrical connector allows easy installation for the battery module. This
separate compartment is weather tight and provides shielding from sensitive
electronics and radios. Figure 7 shows the battery pack, after it is removed from
the ECN.
The ECN uses intelligent battery charging techniques (similar to those found in
laptop computers) to maximize the life of the battery. That is, the ECN
constantly monitors the state of the Lithium Ion cells used in the module to
ensure long life and reliable operation. A typical charge cycle can take up to 4
hours. Each battery pack has an operating life of approximately 10 years.
Figure 7. Battery Pack
The battery module is capable of providing up to 24 W of power for at least 15
minutes.
Table 2. Battery Pack Specifications
Specifications
Dimensions and Weight
Voltage (Output): 12.1 V ±3%
Dimensions (including panel):
Current: 2 A
Run Time (Full Charge): >15 minutes
Operating Temperature: -40°C to +50°C
18
H: 100 mm (3.9 in)
W: 36 mm (1.4 in)
D: 267.4 mm (10.5 in)
Weight: 320 g (0.7 lb)
Introduction
2
Installing Components and
Troubleshooting
This chapter describes how to install components in an ECN
unit before field deployment and how to perform basic
troubleshooting for a unit returned from the field.
ECN 7000 Series Hardware Guide
19
Installing Components
Because the ECN’s cover is not designed to be removed in the field (the cover is
secured with one-way screws), you generally cannot perform in-field service for
an ECN. If an ECN becomes non-operational, you should replace it in the field
with a similarly equipped model to maintain operational service for your
customers; see Chapter 5, Field Replacement for an ECN 7000 Series Device, on
page 49. You can return the non-operational ECN to your service center for
maintenance.
The following sections describe how to install components in an ECN unit before
field deployment.
Removing the Cover
The cover is secured to the ECN enclosure with four #10 (M5) one-way screws to
prevent their unauthorized removal in the field. To remove these screws, use a
one-way screw removal tool, which are available from vendors such as W.W.
Grainger®, Inc. or Hudson Fasteners, Inc.
Important: Removing the cover compromises the factory seal. You must
replace the gasket and sealing screws to reestablish a proper seal.
To remove the cover, remove the screws at the four corners of the ECN enclosure,
as shown in Figure 8.
Figure 8. Top View of ECN with Cover Attached
Removing the Card Cage
The card cage is secured to the interior of the ECN enclosure with four #10 (M5)
standard Phillips® screws.
20
Installing Components and Troubleshooting
To remove the card cage, remove the screws at the four corners of the card cage,
as shown in Figure 9.
Figure 9. Top View of ECN with Cover Removed
Removing RF Shields
Prior to installing an expansion card in expansion slots 3, 4, or 5, you must
remove the factory-installed RF shielding for these slots. This shielding
protects the rest of the ECN electronics from unintended emissions from the
wireless or cellular modems installed in these slots.
Figure 10 on page 22 shows these slots with and without their RF shielding.
ECN 7000 Series Hardware Guide
21
Figure 10. RF Shielding for Expansion Slots 3, 4, and 5
Installing an Expansion Card
The ECN main board includes two types of slots: system slots and expansion
slots. System slots contain system cards that are installed in the factory and
provide basic or pre-installed optional functionality for the ECN. Expansion slots
contain expansion cards that are generally installed before field deployment
(although some expansion cards can be factory installed) and provide additional
functionality for the ECN. For example, an expansion card can add a modem for
additional communications functionality.
There are six expansion slots (numbered 1 to 6), and five types of expansion card,
types A, B, C, D, and E. Each of these types has different electrical and
mechanical characteristics based on the type of functionality it is designed to
provide. See the Edge Control Node 7000 Series Expansion Card Developer’s
Guide for more information about each of the card types.
Important: The ECN hardware, operating system, and communications
software does not support plug and play or hot plug of expansion cards. Power
must be removed from the ECN before installing, or uninstalling, an expansion
card.
Installation for Card Types A and B
Access to expansion slots 1 and 2 can be made while the card cage is installed in
the outer enclosure:
1. Remove the enclosure cover
2. Remove the inner card cage cover
3. Remove the card retainer
Card guides are made available for each slot, which (along with the alignment
holes in the ECN main board) prevent expansion cards from being misaligned on
22
Installing Components and Troubleshooting
installation. After a card is installed, you must screw the card retainer back in
place to prevent the card from becoming dislodged during transportation.
If the expansion card requires electrical connections to external devices, those
electrical connections must be positioned as close as possible to the edge of the
card facing the external connection plate. Connection between the card and the
IP66 connector on the ECN external connection panel must use a short cable.
Installation for Card Type C
Access to expansion slots 3 and 4 can be made while the card cage is installed in
the outer enclosure:
1. Remove the enclosure cover
2. Remove the inner card cage cover
3. Remove the individual RF shields
Card guides are made available for each slot, which (along with the alignment
holes in the ECN main board) prevent expansion cards from being misaligned on
installation. After a card is installed, you must reinstall the RF shielding.
Make antenna connections using a suitable coaxial cable, and exit the shielding
as recommended. Routing for antenna cables must follow the requirements
described in your compliance approvals. The antennas must be installed as
directed using the mounting points provided.
Installation for Card Type D
Access to expansion slot 5 can be made while the card cage is installed in the
outer enclosure:
1. Remove the enclosure cover
2. Remove the inner card cage cover
3. Remove the RF shield that protects the slot
Mount the card to the four PCB standoffs located inside the shielded enclosure
using four retaining screws. You must provide an interface for the card that is
compatible with expansion slot 5’s mechanical and electrical requirements. You
can install multiple cards at this location.
Make antenna connections using a suitable coaxial cable, and exit the shielding
as recommended. Routing for antenna cables must follow the requirements
described in your compliance approvals. The antennas must be installed as
directed using the mounting points provided.
Installation for Card Type E
Access to expansion slot 6 can only be made when the inner card cage is removed
from the outer enclosure. Gain access to the slot by removing the slot cover plate.
Mount the card using five PCB standoffs that you screw to the cover plate.
Reinstall the cover plate and card into the card cage as a single assembly. You
must provide an interface for the card that is compatible with expansion slot 6’s
mechanical and electrical requirements. You can install multiple cards at this
location.
ECN 7000 Series Hardware Guide
23
Make antenna connections using a suitable coaxial cable, and exit the shielding
as recommended. Routing for antenna cables must follow the requirements
described in your compliance approvals. The antennas must be installed as
directed using the mounting points provided.
Installing an Antenna
You can use the internal antenna holders for your own PCB antennas. Figure
11 shows the various antenna holders attached to the ECN inner card cage. The
holders are extremely flexible and allow antennas of various sizes to be mounted
on multiple planes.
Recommendations:
•
Use the holders along each side for EV-DO, GPRS and ISM type
applications. In particular one holder can be used on each side for
diversity.
•
Use the holders along the top of the card cage for Wi-Fi and Wi-Max
applications.
The holders also have built in clips that can be used for locating cabling and
holding protective ferrite beads.
Figure 11. Antenna Holder Locations
24
Installing Components and Troubleshooting
Troubleshooting
The ECN is designed to perform without malfunctioning for a period of at least
10 years in harsh environmental conditions. In addition, the ECN outer
enclosure is designed to provide IP66 protection, as defined by International
Electrotechnical Commission (IEC) standard 60529. All Echelon supplied
connectors are IP67 rated, and each connector has a cap designed to maintain its
long-term reliability.
The main symptom of a problem with an ECN unit would be a communications
problem on one or more of the communications channels. You perform different
troubleshooting tasks, depending on whether the unit is already field installed or
is not yet deployed.
For field-installed units, you can perform the following tasks to troubleshoot
communications problems:
•
Verify that the cables are correctly plugged into their connectors on the
ECN bottom panel. Check that the lock nut for each connector is secure.
As necessary, ensure that no pins on any of the connectors are bent or
damaged.
•
Attempt to communicate with the ECN unit with the COS system
software. If possible, reboot the unit.
•
If you cannot connect to the ECN unit from the COS system software,
remove power from the unit, wait at least two minutes, and reconnect
power. Verify that the unit is operational, as described in Verifying
Successful Installation on page 33.
•
If you still cannot establish communications, replace the unit, as
described in Chapter 5, Field Replacement for an ECN 7000 Series Device,
on page 49. Return the failed unit to your deployment station, or contact
Echelon Support for service.
For units not yet deployed, you can perform the following tasks to troubleshoot
communications problems:
•
Perform the same set of tasks described above for field-installed ECN
units.
•
Ensure that power is not connected to the unit. Remove the ECN cover,
as described in Removing the Cover on page 20. Look for any obvious
problems. Ensure that each antenna (if any) is seated correctly, and that
any connector cables for the antennas are secure.
•
Remove the card cage, as described in Removing the Card Cage on page
20. Look for any obvious problems. Ensure that each card, both system
and expansion, is seated correctly. Ensure that any connector cables are
secure.
•
Connect power to the ECN unit, and attempt to reestablish
communications. Be sure to follow proper safety protocols when
supplying power with the cover removed.
•
If you still cannot establish communications, contact Echelon Support for
service.
ECN 7000 Series Hardware Guide
25
26
Installing Components and Troubleshooting
3
Pole Mount Installation
This chapter describes how to install the ECN on a utility pole.
ECN 7000 Series Hardware Guide
27
Introduction
You can install an ECN on any standard utility pole, in either the supply space or
the common area. The ECN provides a carrying loop for a carabiner hook to
allow you to easily carry the ECN while climbing the pole. The ECN is also small
and light enough that you can carry it while working from a boom lift.
After installation, the ECN can withstand a 115 kg (250 lb) load, for example, of
a utility worker stepping on the unit. The ECN is designed to be small enough
that a utility worker can gaff up the pole and around the unit with minimal
difficulty.
The installation includes a bracket that you attach to the utility pole. You then
attach the ECN to the installed bracket. Subsequent replacement or installation
of an ECN can reuse the installed bracket, thus substantially reducing
replacement installation time and effort. In addition, you can connect or
disconnect the ECN from either power or the communications network easily,
without having to uninstall the entire unit.
Required Tools
To perform the installation for the Pole Mounting Bracket, you will need the
following tools:
•
Support bolt: 12 to 70 cm (4.5 to 27.5 inches) in length (depends on the
pole class and the planned installation height for the ECN), 1.6 cm (5/8
inch) in diameter
•
One or two 1.6 cm (5/8 inch) washers, combined thickness 5.72 cm (2-1/4
inch)
•
One 1.6 cm (5/8 inch) square-head or hex-head nut
•
A drill, with drill bit appropriate for a 1.6 cm (5/8 inch) diameter bolt that
is 12 to 70 cm (4.5 to 27.5 inches) in length
•
A wrench suitable for 1.6 cm (5/8 inch) bolts
•
A wire stripping tool
•
A fiberglass or plastic cable puller tool
•
A standard Phillips® screwdriver, Point Size 2
In addition to the tools listed above, you need an ECN Pole Mount Kit and the
appropriate ECN input power cable accessory:
•
The input power cable accessory is available in three lengths: 3 m, 9 m,
and 12 m (10 ft, 30 ft, and 40 ft).
•
The cable type conforms to the specifications for 1.29 mm (16 AWG)
stranded copper conductors. The outer jacket for the cable is insulated
(600 V rating). The cable includes four conductors:
28
Black: Phase 1
Blue: Phase 2
Red: Phase 3
Pole Mount Installation
o
White: Neutral
The ECN does not use the blue connector (phase 2).
•
The end of the cable that connects to the ECN input power connector is
fitted. The other end of the cable is not fitted.
Installation Location
Typically, you install the ECN on a utility pole either in the supply space (near
the service distribution transformer) or in the common area (3-½ to 4-½ meters or
12 to 15 feet above ground level).
Important: Do not install the ECN in the communication space; that space is
reserved for cable, telephone, and other companies to install their equipment.
For optimal antenna performance, you should place the ECN as high on the
utility pole as possible, in the supply space. However, many installations will
install the ECN common area: installation in the common area is typically easier
to perform, less expensive, and involves less risk for the installer.
Preparing for Installation
After you have selected the installation location on the utility pole (within the
supply space or in the common area), determine the distance from the lowvoltage (LV) attachment point (typically at or near the service distribution
transformer) and the proposed installation point for the ECN. If the ECN input
power cable is shorter than this distance, splice an additional length of cable and
weather seal that splice.
When the ECN is installed in the common area, the input power cable must be
shielded in a protective conduit to protect the input power cable from
communications workers and other personnel who climb the pole. When the
ECN is installed in the supply space, this protective conduit is not necessary.
You can use a simple vertical wire guard, but generally you should use Schedule
40 conduit. 2 Leave both the top and bottom of the conduit open so that water can
flow freely through the conduit. The bottom end of the conduit should terminate
near the ECN, but should not be attached to it. Feed the input power cable
through the conduit and connect it to an available power source.
Drill a hole through the utility pole. The diameter of this hole should be able to
fit a 1.6 cm (5/8 inch) diameter bolt securely. The hole should be centered
horizontally with respect to the pole diameter, and should be centered vertically
with respect to the planned location of the ECN.
Performing the Installation
To install the ECN using the pole mount method, perform the following tasks:
1. Attach the Pole Mounting Bracket to the pole
2. Attach the ECN to the Pole Mounting Bracket
3. Secure the ECN to the Pole Mounting Bracket
2 See UL 651, NEMA TC-2, or NEC-Article 352 for Schedule 40 specifications.
ECN 7000 Series Hardware Guide
29
4. Connect the ECN to power and to the network
5. Complete the installation
Each of these tasks is described in the following sections.
Attach Pole Mounting Bracket
You connect the ECN to the utility pole using the hole that you drilled into the
pole to prepare for installation; see Preparing for Installation on page 29. Place
the bracket against the pole, insert the support bolt, and secure the bolt with a
washer and nut, as shown in Figure 12. The Pole Mounting Bracket is designed
to fit any standard utility pole.
Figure 12. Attach Pole Mounting Bracket
Attach ECN to Pole Mounting Bracket
After the Pole Mounting Bracket is securely attached to the utility pole, you can
attach the ECN to the Pole Mounting Bracket. The top of the back side of the
ECN includes two tabs that slide into the top of the Pole Mounting Bracket.
Figure 13 on page 31 shows the ECN attached to the Pole Mounting Bracket.
Note that if you should need to replace an ECN, you need replace only the ECN
and not the Pole Mounting Bracket.
30
Pole Mount Installation
Figure 13. Attach the ECN to the Pole Mounting Bracket
Secure ECN to Pole Mounting Bracket
To secure the ECN to the Pole Mounting Bracket, secure the two captive ¼-20
screws to the bottom of the ECN to attach it to the Pole Mounting Bracket.
These screws are already connected to the ECN, and are designed not to make
contact with the pole. Figure 14 on page 32 shows a front view of the ECN
attached to the Pole Mounting Bracket, with the bottom screws visible.
ECN 7000 Series Hardware Guide
31
Figure 14. Secure the ECN to the Pole Mounting Bracket
Connect the ECN to Power and the Network
You make the connections to power and to the communications network at the
bottom of the ECN. All Echelon supplied connectors are IP67 rated. Each
connector has a cap designed to maintain its long-term reliability. Figure 15 on
page 33 shows the bottom of a typical ECN, before installation.
You can connect the ECN to either low voltage, or with the CT option, medium
voltage.
The exact configuration of the ECN bottom panel depends on the options that you
have installed in the ECN, but at a minimum, the bottom panel has a connection
for power. In the figure, the upper left connection is for power.
To make the power connection, remove the cap, insert the power cable, and twist
the cable ¼ turn to lock it in place.
32
Pole Mount Installation
Figure 15. Connect the ECN to Power and the Network
Complete the Installation
After the installation is complete, perform the following tasks:
1. Inspect the connection of the ECN to the Pole Mounting Bracket.
2. Inspect the connection of the Pole Mounting Bracket to the utility pole.
3. Inspect the cabling connections to the ECN.
The completed installation should look similar to the views depicted in Figure
13 on page 31. Note that the figure does not show the cabling connections to the
ECN.
Verifying Successful Installation
Because the ECN has no external lights or displays, it uses an internal audio
buzzer to provide indications of important installation-related states. The
buzzer’s audio frequency is 2.4 kHz (as a 1/2 duty cycle square wave) and outputs
85 to 92 dBA of sound pressure, 3 which should be audible from at least 10 m (30
ft). Table 3 on page 34 lists the sound patterns for the audio indicator. The
audio indicator outputs its audio indicator patterns only during ECN startup.
3 dBA measures sound pressure levels relative to 20 µPa (rms) at 1 m.
ECN 7000 Series Hardware Guide
33
Table 3. Internal Audio Indicator Sound Patterns
Sound Pattern
On (ms)
Off (ms)
Repeat
Description
1000
ECN boot process successful
System Manager is now running
4000
ECN boot process failed
1000
500
WAN connection to cell tower successful
4000
200
WAN connection to cell tower failed
1000
500
Connection to System Software successfully
established
4000
200
Connection to System Software failed
As the table shows, a successful installation should include several 1 second
sound bursts, some with a repeated pattern (1 s on, 0.5 s off) to indicate
successful network connections. If you receive a 4 s sound burst, the ECN boot
process failed. If you receive the repeated pattern (4 s on, 0.2 s off), a network
connection failed; check the network cable connection and verify that the network
is operational.
After installation is verified successful, use the COS Web page interface for the
ECN to verify additional functionality. You might also want use the commandline interface to disable the internal audio indicator so that subsequent resets or
power events do not cause the audio indicator to output its audio indicator
patterns. You can also change the audio indicator patterns by modifying the
controller configurable file (CCF); see the COS User’s Guide for information
about modifying the audio indicator patterns.
34
Pole Mount Installation
4
Pad Mount Installation
This chapter describes how to install the ECN on a service
distribution transformer that is mounted on a transformer pad.
ECN 7000 Series Hardware Guide
35
Introduction
You can install an ECN on the same transformer pad as a service distribution
transformer, and secure it to the transformer without drilling holes into or
otherwise damaging the transformer housing. After installation, the ECN is
resistant to manual removal, and none of the electrical or communications
network connections can be accessed by unauthorized personnel.
The installation includes a bracket that you attach to the transformer housing
and transformer pad. You then attach the ECN to the installed bracket.
Subsequent replacement or installation of an ECN can reuse the installed
bracket, thus substantially reducing replacement installation time and effort. In
addition, you can connect or disconnect the ECN from either power or the
communications network easily, without having to uninstall the entire unit.
Required Tools
To perform the installation for the Pad Mounting Bracket, you will need the
following tools:
•
Connection bolt: 5 cm (2 inches) in length, 1.6 cm (5/8 inch) in diameter
•
A 1.6 cm (5/8 inch) washer
•
Two 1.6 cm (5/8 inch) concrete-compatible bolt kits
•
Conduit housing
•
A wrench suitable for 1.6 cm (5/8 inch) bolts
•
A wire stripping tool
•
A fiberglass or plastic cable puller tool
•
A standard Phillips screwdriver, Point Size 2
•
A shovel (hand or power) or similar digging tool
•
Standard conduit sealing putty or foam
In addition to the tools listed above, you need an ECN Pad Mount Kit and the
appropriate ECN input power cable accessory:
•
The input power cable accessory is available in three lengths: 3 m, 9 m,
and 12 m (10 ft, 30 ft, and 40 ft).
•
The cable type conforms to the specifications for 1.29 mm (16 AWG)
stranded copper conductors. The outer jacket for the cable is insulated
(600 V rating). The cable includes four conductors:
Black: Phase 1
Blue: Phase 2
Red: Phase 3
White: Neutral
The ECN does not use the blue connector (phase 2).
•
36
The end of the cable that connects to the ECN input power connector is
fitted. The other end of the cable is not fitted.
Pad Mount Installation
Installation Location
For optimal antenna performance, you should place the ECN as high on the
distribution transformer as possible. However, most installations will require
that the top of the ECN after installation extend no higher than the top of the
transformer. A typical residential transformer measures between 46 cm (18
inches) and 74 cm (29 inches) in height. If you place the ECN exactly even with
the top of the transformer, you have between 15 cm (6 inches) and 43 cm (17
inches) clearance from the transformer pad to the bottom of the ECN. For most
installations, this clearance is sufficient to connect the installed ECN to external
power and the communication network.
Installation rules also typically require that the top of the 1.9 cm or 3.2 cm (¾” or
1-1/4”) flexible conduit should be at least 7.6 cm (3 inches) above grade level to
prevent water ingress into the conduit. That is, there must be at least 7.6 cm (3
inches) of clearance from the bottom locking nut on the outside of the 1.9 cm or
3.2 cm (¾” or 1-1/4”) flexible conduit.
Preparing the Transformer Pad
To prepare to connect the ECN to the power mains at the transformer, perform
the following tasks:
1. Open the transformer cover to determine the location of an unused precored hole in the transformer pad. This hole must be large enough to
accommodate the 1.9 cm or 3.2 cm (¾” or 1-1/4”) flexible conduit for the
ECN.
2. Use a shovel or similar tool to dig under the transformer pad to clear
space for the conduit.
3. Fit the conduit up and into the hole.
4. Position the conduit as near to the lifting nut on the side of the
transformer as possible. Ideally, the conduit should be positioned
vertically under the lifting nut.
5. Cut to the conduit to the approved length.
6. Replace the dirt below the transformer pad.
7. Close the transformer cover.
Preparing for Installation
After you prepare the transformer pad, you can complete installation preparation
by performing the following steps:
1. Use a cable stripping tool to strip approximately 45 cm (18 inches) of the
insulating jacket from the conductors of the non-fitted end of the power
cable.
2. Use a fiberglass or plastic cable puller tool to thread the power cable
though the conduit that you prepared in the previous section, Preparing
the Transformer Pad.
3. On the transformer side, attach the cables to the transformer so that they
can provide power to the ECN.
ECN 7000 Series Hardware Guide
37
4. Seal the top of the conduit inside the transformer cover with sealing
putty or foam. This seal ensures that water and foreign objects cannot
enter the transformer housing.
5. Seal the end of the conduit that is external to the transformer cover with
sealing putty or foam.
After the conduit and cabling are ready, you can install the ECN. See the next
section, Performing the Installation.
Performing the Installation
To install the ECN using the pad mount method, perform the following tasks:
1. Extend the Pad Mounting Bracket
2. Attach the Pad Mounting Bracket to the transformer’s lifting nut
3. Attach the Conduit Housing to the Pad Mounting Bracket
4. Insert a Conduit Thread into the Conduit Housing
5. Attach the ECN to the Pad Mounting Bracket
6. Secure the ECN to the Pad Mounting Bracket
7. Connect the ECN to power and to the network
8. Close and lock the Conduit Housing
9. Complete the installation
Each of these tasks is described in the following sections.
Extend Pad Mounting Bracket
You connect the ECN to the transformer using the transformer’s lifting nut, as
described in Attach Pad Mounting Bracket to Lifting Nut on page 39. The Pad
Mounting Bracket is designed to secure the ECN to the transformer’s lifting nut,
regardless of the location of the lifting nut.
The Pad Mounting Bracket is vertically adjustable (from approximately 46 cm
[18 inches] to 92 cm [36 inches]) so that you can match the 1.9 cm (3/4 inch)
horizontal slots with the position of the transformer lifting nut. Figure 16 on
page 39 shows the Pad Mounting Bracket fully extended.
38
Pad Mount Installation
Figure 16. Extend the Pad Mounting Bracket
Attach Pad Mounting Bracket to Lifting Nut
Because it is generally inadvisable to drill holes into the transformer housing,
you use one of the 1.6 cm (5/8 inch) welded lifting nuts (inside the transformer
cabinet and exposed through a hole in the transformer casing) as the installation
point.
Locate one of the transformer’s lifting nuts. There is no standard for the location
of the lifting nuts, but typically one is within a few centimeters (an inch or two) of
the top of the transformer.
Measure the distance from the lifting nut to the top of the transformer, and
extend the Pad Mounting Bracket to ensure that after the bracket is attached to
the lifting nut, the top of the bracket is as close to the top of the transformer as
possible.
To secure the ECN to the transformer’s lifting nut, temporarily remove the nut.
Position the Pad Mounting Bracket so that one of the horizontal slots matches
the position of the lifting nut. Attach the Pad Mounting Bracket to the lifting
nut. Figure 17 on page 40 shows the Pad Mounting Bracket attached to the
lifting nut.
After you secure the Pad Mounting Bracket to the lifting nut, secure the bracket
to the transformer pad using the two 1.6 mm (5/8 inch) slots at the bottom of the
bracket.
ECN 7000 Series Hardware Guide
39
Figure 17. Attach the Mounting Bracket to the Transformer’s Lifting Nut
Attach Conduit Housing to Pad Mounting Bracket
To protect the electrical and network connections to the ECN, the Pad Mounting
Bracket includes a Conduit Housing. The Conduit Housing is approximately 13
cm (5 inches) high and 30 cm (12 inches) wide. Attach the Conduit Housing to
the bottom of the upper extension of the Pad Mounting Bracket, as shown in
Figure 18 on page 41. You can perform this step prior to field installation.
40
Pad Mount Installation
Figure 18. Attach the Conduit Housing to the Pad Mounting Bracket
Insert Conduit Thread into Conduit Housing
To protect the electrical and network cabling as it enters the Pad Mounting
Bracket Conduit Housing, insert a Conduit Thread unit into one of the available
holes in the bottom of the Conduit Housing. The Conduit Thread should
accommodate the locking nut for the conduit and the radius of one or more cable
bundles. The Conduit Housing provides three cutouts for conduits; at least one of
these should be precut to allow for insertion of the electrical and network cabling.
Insert the Conduit Thread into the Conduit Housing, as shown in Figure 19 on
page 42. You can perform this step prior to field installation.
ECN 7000 Series Hardware Guide
41
Figure 19. Insert a Conduit Thread into the Conduit Housing
Attach ECN to Pad Mounting Bracket
After the Pad Mounting Bracket is securely attached to the transformer, and the
Conduit Housing is securely in place, you can attach the ECN to the Pad
Mounting Bracket. The top of the back side of the ECN includes two tabs that
slide into the top of the Pad Mounting Bracket. Figure 20 on page 43 shows the
ECN attached to the Pad Mounting Bracket.
Note that if you should need to replace an ECN, you need replace only the ECN
and not the Pad Mounting Bracket.
42
Pad Mount Installation
Figure 20. Attach the ECN to the Pad Mounting Bracket
Secure ECN to Pad Mounting Bracket
To secure the ECN to the Pad Mounting Bracket, secure the two captive ¼-20
screws to the bottom of the ECN to attach it to the Pad Mounting Bracket. These
screws are designed not to make contact with the transformer. Figure 21 on
page 44 shows a front view of the ECN attached to the Pad Mounting Bracket,
with the bottom screws visible.
ECN 7000 Series Hardware Guide
43
Figure 21. Secure the ECN to the Pad Mounting Bracket
Connect the ECN to Power and the Network
You make the connections to power and to the communications network at the
bottom of the ECN, which is inside the Conduit Housing. All Echelon supplied
connectors are IP67 rated. Each connector has a cap designed to maintain its
long-term reliability. Figure 22 on page 45 shows the bottom of a typical ECN,
before installation.
You can connect the ECN to either low voltage, or with the CT option, medium
voltage.
The exact configuration of the ECN bottom panel depends on the options that you
have installed in the ECN, but at a minimum, the bottom panel has a connection
for power. In the figure, the upper left connection is for power.
44
Pad Mount Installation
To make the power connection, remove the cap, insert the power cable, and twist
the cable ¼ turn to lock it in place.
Figure 22. Connect the ECN to Power and the Network
Because the transformer’s lifting nut is not necessarily centered vertically with
where you placed the 1.9 cm or 3.2 cm (¾” or 1-1/4”) flexible conduit relative to
the transformer pad, ensure that the flexible conduit is long enough to reach both
the Conduit Housing and the connections on the ECN.
Close and Lock the Conduit Housing
After you have completed all cabling connections and are ready to complete ECN
installation, close the Conduit Housing door and secure it with a lock, as shown
in Figure 23 on page 46. The Conduit Housing includes a 1.3 cm (½ inch) hasp
hole for the lock.
ECN 7000 Series Hardware Guide
45
Figure 23. Close and Lock the Conduit Housing
Complete the Installation
After the installation is complete, perform the following tasks:
1. Inspect the connection of the ECN to the Pad Mounting Bracket.
2. Inspect the connection of the Pad Mounting Bracket to the transformer.
3. Inspect the cabling connections to the ECN.
4. Inspect the transformer pad.
The completed installation should look similar to the views depicted in Figure
24 and Figure 25 on page 47. Note that the figures do not show the cabling
connections to the ECN.
46
Pad Mount Installation
Figure 24. Complete ECN Installation, Viewed from the Left
Figure 25. Complete ECN Installation, Viewed from the Front
ECN 7000 Series Hardware Guide
47
Verifying Successful Installation
Because the ECN has no external lights or displays, it uses an internal audio
buzzer to provide indications of important installation-related states. The
buzzer’s audio frequency is 2.4 kHz (as a 1/2 duty cycle square wave) and outputs
85 to 92 dBA of sound pressure, 4 which should be audible from at least 10 m (30
ft). Table 4 lists the sound patterns for the audio indicator. The audio indicator
outputs its audio indicator patterns only during ECN startup.
Table 4. Internal Audio Indicator Sound Patterns
Sound Pattern
On (ms)
Off (ms)
Repeat
Description
1000
ECN boot process successful
System Manager is now running
4000
ECN boot process failed
1000
500
WAN connection to cell tower successful
4000
200
WAN connection to cell tower failed
1000
500
Connection to System Software successfully
established
4000
200
Connection to System Software failed
As the table shows, a successful installation should include several 1 second
sound bursts, some with a repeated pattern (1 s on, 0.5 s off) to indicate
successful network connections. If you receive a 4 s sound burst, the ECN boot
process failed. If you receive the repeated pattern (4 s on, 0.2 s off), a network
connection failed; check the network cable connection and verify that the network
is operational.
After installation is verified successful, use the COS Web page interface for the
ECN to verify additional functionality. You might also want use the commandline interface to disable the internal audio indicator so that subsequent resets or
power events do not cause the audio indicator to output its audio indicator
patterns. You can also change the audio indicator patterns by modifying the
controller configurable file (CCF); see the COS User’s Guide for information
about modifying the audio indicator patterns.
4 dBA measures sound pressure levels relative to 20 µPa (rms) at 1 m.
48
Pad Mount Installation
5
Field Replacement for an ECN
7000 Series Device
This chapter describes how to replace an ECN or an ECN’s
battery pack after the ECN has been installed in the field.
ECN 7000 Series Hardware Guide
49
Overview
The ECN 7000 Series of products is designed to allow you to easily replace an
ECN unit in the field after installation. For ECN units with the backup battery
option, you can also easily replace the battery in the field.
Because an ECN is typically installed in a location that exposes it to weather and
other hazards, you might need to replace ECN units from time to time. In
addition, you might want to replace a working unit with one that includes
additional or different expansion cards to provide additional services for your
customers.
Because the ECN’s cover is not designed to be removed in the field (the cover is
secured with one-way screws), you generally cannot perform in-field service for
an ECN. If an ECN becomes non-operational, you should replace it in the field
with a similarly equipped model to maintain operational service for your
customers. You can return the non-operational ECN to your service center for
maintenance; see Troubleshooting on page 25 for additional information.
Replacing a Pole-Mounted ECN
Important: Before replacing an ECN in the field, visually inspect the unit and
its surroundings to ensure that the unit is not damaged and that it is safe to
handle.
You do not need to reinstall the Pole Mounting Bracket to replace an ECN unit.
To remove a pole-mounted ECN:
1. If possible, use the COS system software to shut down the unit remotely,
before beginning field replacement.
2. Remove all network connections from the bottom of the unit.
3. Remove the power connection from the unit.
4. Remove the screws at the bottom of the unit. These screws will remain
attached to the ECN.
5. Lift the ECN from the Pole Mounting Bracket.
6. Attach a carabiner hook to the ECN carry loop to safely transport it to
the ground.
To install a replacement pole-mounted ECN:
1. Attach the ECN to the Pole Mounting Bracket, as described in Attach
ECN to Pole Mounting Bracket on page 30.
2. Secure the ECN to the Pole Mounting Bracket using the screws at the
bottom of the unit, as described in Secure ECN to Pole Mounting Bracket
on page 31.
3. Connect the ECN to power and to the network, as described in Connect
the ECN to Power and the Network on page 32.
4. Verify successful installation, as described in Verifying Successful
Installation on page 33.
50
Installing Components
and
Replacing a Pad-Mounted ECN
Important: Before replacing an ECN in the field, visually inspect the unit and
its surroundings to ensure that the unit is not damaged and that it is safe to
handle.
You do not need to reinstall the Pad Mounting Bracket to replace an ECN unit.
To remove a pad-mounted ECN:
1. If possible, use the COS system software to shut down the unit remotely,
before beginning field replacement.
2. Unlock the Conduit Housing and open the Conduit Housing door.
3. Remove all network connections from the bottom of the unit.
4. Remove the power connection from the unit.
5. Remove the screws at the bottom of the unit. These screws are captive,
and remain attached to the ECN.
6. Lift the ECN from the Pad Mounting Bracket.
To install a replacement pad-mounted ECN:
1. Attach the ECN to the Pad Mounting Bracket, as described in Attach
ECN to Pad Mounting Bracket on page 42.
2. Secure the ECN to the Pad Mounting Bracket using the screws at the
bottom of the unit, as described in Secure ECN to Pad Mounting Bracket
on page 43.
3. Connect the ECN to power and to the network, as described in Connect
the ECN to Power and the Network on page 44.
4. Close the Conduit Housing and lock the door, as described in Close and
Lock the Conduit Housing on page 45.
5. Verify successful installation, as described in Verifying Successful
Installation on page 48.
Replacing the Battery Pack
To allow the ECN to run continuously, regardless of external power conditions,
the ECN includes a backup battery option. If your ECN includes this option, you
will occasionally need to replace the batteries.
The battery module is located in its own dedicated compartment accessible from
the outside of the ECN enclosure, as shown in Figure 26 on page 52. Within this
compartment, a blind-mate electrical connector allows easy installation of the
battery module. This separate compartment is weather tight and provides
shielding from sensitive electronics and transceivers.
Important: Removing any of the front panels compromises the factory seal. You
must use the replacement gaskets and sealing screws included with the battery
kit to reestablish a proper seal.
ECN 7000 Series Hardware Guide
51
Figure 26. ECN Battery Compartment Location
Required tools for replacing the battery pack:
•
A standard Phillips screwdriver, Point Size 2
•
The battery replacement kit, which includes the battery pack and four
sealing screws
To remove the battery pack:
1. Loosen and remove the four screws at the edges of the battery
compartment.
2. The battery pack is held in place by a restraining tab, as shown in
Figure 27 on page 53. Gently press the tab to release the battery pack.
3. Remove the battery pack from the ECN.
52
Installing Components
and
Figure 27. Battery Pack Restraining Tab
To replace the battery pack:
1. Insert the battery pack into the battery compartment. The restraining
tab must be oriented toward the ECN cover. The restraining tab will
click into place.
2. Ensure that the battery pack’s gasket makes a good seal with the battery
compartment.
3. Insert and tighten the four sealing screws. Tighten the screws in a
diagonal “X” pattern (alternating top-left, bottom-right, top-right, bottomleft). Tighten the screws to no more than 9.1 (±0.4) lbf-in (10.4 [±0.5] kgfcm) torque.
ECN 7000 Series Hardware Guide
53
A
ECN 7000 Series Specifications
This appendix lists the specifications for the ECN 7000
Series of products.
ECN 7000 Series Hardware Guide
55
General Specifications
Table 5 summarizes the general specifications for ECN 7650 devices.
Table 5. General Specifications
Category
Rating
Input Voltage:
Single Phase
(Non-network)
3-wire 120/240 V ±20% 60 Hz ±2%, 1 A
L1/L3 to N: 120 V; L1 to L3: 240 V
Single Phase
(Network)
3-wire 120/208 V ±20% 60 Hz ±2%, 1 A
L1/L3 to N: 120 V; L1 to L3: 208 V
Maximum Voltage
L1/L3 to N: 176 V
L1 to L3: 305 V
Battery Power Input (Optional)
Power Consumption
Battery backup module (15 minutes)
Uninterruptible Power Supply (UPS) interface module
(input 12 V or 24 V)
5 W typical
30 W maximum
Phase Coupling
Connections for 3 phases (L1Φ, L2Φ, L3Φ) and Neutral.
Dimensions
H: 34.7 cm – W: 37.5 cm – D: 19.1 cm
(H: 13.67 in – W: 14.75 in – D: 7.52 in)
Weight
<6.4 kg
(<14 lb)
Enclosure
UV stable plastic (grey or green); rated NEMA4
Connectors
IP67 rated
Mounting
Separate mounting kit
Impact- and vandal-resistant metal
Security
High-security screws
Tamper detection (operates whether powered or
unpowered)
Optional tilt detector
Serial Number Indication
56
Text and barcode
ECN 7000 Series Specifications
Category
Rating
Clock
Real-time clock accurate to better than ±1 minute per
month; corrected by System Software. Maintained by
backup battery.
Environmental Rating Specifications
Table 6 summarizes the environmental rating specifications for ECN 7650
devices.
Table 6. Environmental Rating Specifications
Category
Rating
–40 °C to +70 °C (–40 °F to +158 °F)
Operating Temperature Range
Certain options (for example, radios) could have additional
limits.
ANSI C12.1 2008 4.7.3.16 168 hrs –40 °C to +70 °C
Storage Temperature Range
–40 °C to +85 °C –40 °F to +185 °F)
ANSI C12.1 2008 4.7.3.15 168hrs –40 °C to +85 °C
0% to 95%, non-condensing
Effective Relative Humidity
As per ANSI C12.1 2008
ANSI C12.1 2008 4.7.3.22 in accordance with ASTM G155
Weather Simulation Test
ANSI C12.1 2008 4.7.3.22 in accordance with ASTM G155
Salt Spray Test
ANSI C12.1 2008 4.7.3.23 in accordance with ASTM B117
Raintightness
NEMA 4 and ANSI C12.1 2008 4.7.3.24 in accordance with
UL 50 E
Solar Radiation
As per ANSI C12.1 2008
Salt Fog
As per ANSI C12.1 2008
Mechanical Specifications
Table 7 on page 58 summarizes the mechanical specifications for ECN 7650
devices.
ECN 7000 Series Hardware Guide
57
Table 7. Mechanical Specifications
Category
Rating
General Mechanical
Requirements
IEC 60068-2-11
Mechanical Tests:
Mechanical Shock
ANSI C12.1 2008 4.7.3.18 in accordance with IEC 60068-227
Transportation Drop
ANSI C12.1 2008 4.7.3.19 in accordance with ISTA
procedure 1A
Mechanical Vibration
ANSI C12.1 2008 4.7.3.20 in accordance with IEC 60068-26
As per ANSI C12.1 2008
As per ANSI C12.1 2008
Transportation Vibration
ANSI C12.1 2008 4.7.3.21 in accordance with ISTA
procedure 1A
Resistance to Heat and Fire
IEC 60695-2-11
Mechanical Wind Shear
Can withstand a 190 Pa (4 lb/sq-ft) wind simultaneously
with (12 mm) ½” thick ice
Electrical Specifications
Table 8 summarizes the electrical specifications for ECN 7650 devices.
Table 8. Electrical Specifications
Category
Rating
Specified Operating Range
240 VAC ± 20%
Internal Fuse
Littelfuse® 215SP Series, 250VAC Time-Lag Fuse
(0215063MXESPP); Amperage rating 6.3 A. Interrupting
rating 1500 A @ 250 VAC.
Designed in accordance with IEC60127-3.
Insulation Resistance
ANSI C12.1 2008 4.7.3.1 2.5kV for 1 minute
Voltage Interruptions
ANSI C12.1 2008 4.7.3.2
58
ECN 7000 Series Specifications
Category
Rating
High Voltage Surge
Effect of Current Surge in
Ground Conductor
ANSI C12.1 2008 4.7.3.3.1 100kHz Ring Wave in
accordance with ANSI C62.41 (Category B)
ANSI C12.1 2008 4.7.3.3.2 Combination Wave in
accordance with ANSI C62.41 (Category B)
ANSI C12.1 2008 4.7.3.7
Safety Specifications
Table 9 summarizes the safety specifications for ECN 7650 devices.
Table 9. Safety Specifications
Category
Rating
UL 60950, EN 60950, CSA 60960
Safety
CE Marking
RoHS-compliant
EMC Specifications
Table 10 summarizes the electromagnetic compatibility (EMC) specifications for
ECN 7650 devices.
Table 10. EMC Specifications
Category
Rating
Immunity to Electrostatic Discharge:
Contact Discharge
IEC 62052-11 (7.5.2), IEC 61000-4-2: 8 kV
Air Discharge
IEC 62052-11 (7.5.2), IEC 61000-4-2: 15 kV
Immunity to Electromagnetic
RF Fields (80MHz to 2000
MHz)
IEC 62052-11 (7.5.3), IEC 61000-4-3: 30 V/m
Fast Transient Burst
IEC 62052-11 (7.5.4), IEC 61000-4-4: 4 kV common mode
ECN 7000 Series Hardware Guide
59
Immunity to Conducted Disturbances:
150 kHz to 80 MHz
IEC 62052-11 (7.5.5), IEC 61000-4-6: 10 Vrms
Surge Immunity
IEC 62052-11 (7.5.6), IEC 61000-4-5: 6 kV common mode,
4 kV differential mode
Power frequency magnetic field
IEC 61000-4-8, IEC 61000-4-12, IEC-61000-4-13, IEC
61000-4-16: 1000 A/m
Radiated Emissions
EN 55022 – Class B
Conducted Emissions with PLC
EN 50065-1 – Class B
FCC Specifications
This equipment has been tested and found to comply with the limits for a Class B
digital device pursuant to Part 15 of the FCC Rules, per sections 15.107 and
15.109. See also the FCC Notice on page iv.
This equipment also complies with the limits for wireless devices per FCC
sections 15.203, 15.205, 15.207, 15.209, 15.247, and 15.407. It uses frequency 2.4
GHz per Institute of Electrical and Electronics Engineers (IEEE) standard
802.15.4-2006, and uses a frequency bandwidth from 2400 MHz to 2483.5 MHz.
See also RF Statements on page iv.
Communication Specifications
Table 11 summarizes the communications specifications for ECN 7650 devices.
Table 11. Communications Specifications
Category
Power line Network
Rating
LV CENELEC 50065-1 Line Communication (PLC)
LV 150/IEC 14908-3 PLC (CENELEC 50065 C-Band)
Ethernet
Wide Area Network
Dual-band 3G CDMA (EV-DO) with main and diversity
antenna (North America)
Quad-band GPRS (GSM) (worldwide)
60
ECN 7000 Series Specifications
Category
Rating
ISO/IEC 14908-2 Twisted Pair Communication
Local Networks (optional)
Ethernet
High-power 2.4/5GHz IEEE 802.11b/g/n access point and
neighborhood-area intercommunication network (supports
IEEE 802.11i and IEEE 802.11s (draft))
External Connection Specifications
Table 12 summarizes the external connection specifications for ECN 7650
devices.
Table 12. External Connection Specifications
Category
Rating
The three-phase AC input power connection serves two
purposes:
AC Power Mains Input
(a) AC input power for the ECN is provided from the
Neutral and any phase.
(b) LONWORKS power line channel signaling using threephase, Line-to-Neutral coupling.
EIA-232 Serial Ports
EIA-232C serial port protocol operating up to 115.2 kbps
per second when used with a Hayes-compatible cellular
(CSD/CDMA/GPRS) or landline modem. Optionally, 9.6
kbps in direct serial connection (null-modem) mode.
All modes operate with 8 data bits, 1 stop bit and no
parity.
Configured as DTE (Data Terminal Equipment).
Optional Three-Phase Current
Transformer (CT) Inputs
LV or MV, 0.333 V standard, include external connectors
Optional Digital Inputs
Include external connectors
Optional Temperature Input
Includes external connector
Optional GPS Receiver
Active antenna, 12 channel
Expansion Card Type A
Maximum card dimensions: 129 mm x 85 mm (5.1 in x 3.3
in).
The expansion slot includes card guides, USB data and
power interconnect with +1.8 VDC to +12 VDC variable
voltage input, up to 3 W maximum power dissipation.
ECN 7000 Series Hardware Guide
61
Category
Rating
Maximum card dimensions: 104 mm x 85 mm (4.1 in x 3.3
in).
Expansion Card Type B
The expansion slot includes card guides, USB data and
power interconnect with +1.8 VDC to +12 VDC variable
voltage input, up to 3 W maximum power dissipation.
Maximum card dimensions: 129 mm x 85 mm (5.1 in x 3.3
in).
The expansion slot includes USB data and power
interconnect with +1.8 VDC to +12 VDC variable voltage
input, up to 5 W maximum power dissipation. The slot
supports up to four antenna connections.
Expansion Card Type C
Maximum card dimensions: 143 mm x 106 mm x 15 mm
(5.6 in x 4.2 in x 0.6 in).
Expansion Card Type D
The expansion slot supports up to 3 W maximum power
dissipation and up to four antenna connections.
Maximum card dimensions: 204 mm x 151 mm x 15 mm
(8 in x 5.9 in x 0.6 in).
Expansion Card Type E
The expansion slot supports up to 15 W maximum power
dissipation and up to four antenna connections.
Life Expectancy
Table 13 summarizes the life expectancy specifications for ECN 7650 devices.
Table 13. Life Expectancy Specifications
Category
Rating
Life Expectancy
The Data Concentrator has been designed for a life
expectancy of at least 10 years, at annual average ambient
temperatures less than or equal to 35 °C and greater than
or equal to –40 °C.
62
ECN 7000 Series Specifications
B
Safety and High-Voltage Warnings
This appendix provides the safety and high-voltage
warnings for the ECN 7000 Series of products.
ECN 7000 Series Hardware Guide
63
Safety and High-Voltage Warning
Safety and High Voltage Warning
Ensure that the AC input power is turned OFF before removing the front cover,
handling the input power wiring, or connecting any input power cabling to the
ECN 7650 device.
The ECN is not equipped with a power disconnect device. When the ECN is
installed and mounted, the installer must provide a means to safely remove
power and install a circuit breaker with a maximum rating of 16 A.
The high-voltage terminal block has a plastic cover protecting the screw
terminals used to connect the high-voltage inputs. This cover MUST be replaced
after the power wires are connected and before the power is activated.
DO NOT under any circumstances connect the ECN to mains voltages outside of
the range 100 to 240 VAC, -10% to +20%, 50/60 Hz.
DO NOT under any circumstances connect the ECN to a modem whose required
operating voltage is not 14 VDC (300 mA maximum).
Alerta de Seguridad y Alto Voltaje
Asegúrese que la red eléctrica de corriente alterna (CA) este DESENERGIZADA
antes de: retirar la cubierta frontal, manipular los cables de alimentación o
conectar cualquier cableado al dispositivo ECN 7650.
El ECN no está equipado con un dispositivo de desconexión de energía. Cuando el
dispositivo está instalado y montado, el instalador debe proporcionar medios para
remover la energía de manera segura e instalar un interruptor de energía con un
valor nominal máximo de 16 A.
El bloque de terminales de alta tensión tiene una cubierta de plástico que protege
los terminales de tornillo para conectar las entradas de alto voltaje. Esta
cobertura DEBE ser reemplazado después de los cables de alimentación están
conectados y antes de que el poder se activa.
Bajo NINGUNA circunstancia opere el dispositivo ECN en redes eléctricas con
voltajes fuera del rango 100 to 240 VAC, -10% to +20%, 50/60 Hz.
Bajo NINGUNA circunstancia conecte el dispositivo ECN a un módem cuyo
voltaje de funcionamiento esté fuera del rango 14 VDC @ 300 mA.
Sécurité et Avertissement Haute Tension
Assurez-vous que l’interrupteur Marche Arrêt est dans la position Arrêt avant
d’enlever le capot avant ou de manipuler les câbles d’alimentation, ou bien quand
vous branchez un cordon secteur au ECN 7650.
L’ ECN ne possède pas d’interrupteur pour son alimentation. Lorsque l’ECN est
installé et monté, l’installateur doit fournir un moyen de couper cette
64
Safety and High-Voltage Warnings
alimentation de manière sécurisée et d’installer un interrupteur externe d’un
valeur maximale de 16 A.
Le bloc terminal haut tension a un couvercle plastique pour protéger le bornier à
vis recevant la puissance. Ce couvercle DOIT être remplacé correctement à son
emplacement d’origine après les câbles sont vissés et avant que la puissance ne
soit activée.
Il ne faut JAMAIS connecter l’ECN à une tension d’alimentation hors de la plage
100 to 240 VAC, -10% to +20%, 50/60 Hz.
Il ne faut JAMAIS connecter l’ECN à un modem dont la tension de
fonctionnement requis n'est pas 14 VDC (300 mA au maximum).
Sicherheitshinweis: Vorsicht Hochspannung
Schalten Sie die Stromversorgung AUS bevor Sie den Gehäusedeckel entfernen,
die Stromführenden Kabel berühren, oder jegliche Netzverbindung mit dem
Gerät ECN 7650 hergestellt wird.
Der ECN besitzt keinen eigenständigen Stromunterbrechungsmechanismus. Bei
der Installation muss der Installateur für eine sichere Möglichkeit der
Stromunterbrechung sorgen und einen Sicherungsautomaten mit einen
Höchstnennstrom von 16 A anbringen.
Die Hochspannungs-Klemmenleiste besitzt eine Plastik Haube und schützt die
Schrauben die zum Anschluss der Hochspannung dienen. Diese Haube MUSS
wieder angebracht werde, nachdem die Stromkabel angeschlossen und bevor die
Stromzuführung wieder freigeschaltet wurde.
Unter KEINEN UMSTÄNDEN darf das Gerät ECN mit einer
Eingangsspannung außerhalb des Bereichs 100 to 240 VAC, -10% to +20%, 50/60
Hz betrieben werden.
Unter KEINEN UMSTÄNDEN darf das Gerät ECN an ein Modem angeschlossen
werden, dessen vorgeschriebene Betriebsspannung außerhalb folgender Bereiche
14 VDC @ 300 mA.
Säkerhets- och högspänningsvarning
Kontrollera att nätspänningen är FRÅN innan höljet tas bort, nätledningarna
vidrörs eller nätkablar ansluts till ECN 7650 enheten.
ECN är inte utrustad med en frånkopplingsenhet till nätet. När ECN installeras
och monteras, måste installatören se till att det går att stänga strömmen på ett
säker sätt och montera en huvudströmbrytare med max 16 A spänning.
Kopplingsplinten till högspänningen har ett plastskydd som skyddar
skruvkontakterna som används för att ansluta ingående högspänning. Detta
skydd MÅSTE sättas tillbaka efter det att nätkablarna anslutits och innan
nätspänningen slås på.
ECN enheten får under inga omständigheter anslutas till nätspänningar som
inte ligger inom intervallen 100 to 240 VAC, -10% to +20%, 50/60 Hz.
ECN enheten får under inga omständigheter anslutas till ett modem vars
driftspänning ligger utanför intervallen 14 VDC @ 300 mA.
ECN 7000 Series Hardware Guide
65
Avvertenza sulla Sicurezza e sull’Alta Tensione
Assicurarsi che la rete elettrica sia SPENTA prima di rimuovere il coperchio
frontale, maneggiare i cavi di alimentazione, o connettere qualsiasi cavo al
dispositivo ECN 7650.
Il ECN non viene fornito con un dispositivo di disconnessione dell’alimentazione.
Quando il ECN viene installato e montato, l’installatore deve predisporre un
sistema per poter staccare l’alimentazione in sicurezza e installare un
interruttore del circuito con una potenza massima di 16 A.
Il blocco terminale ad alta tensione ha una copertura in plastica protegge i
morsetti usati per collegare gli ingressi ad alta tensione. Tale copertura deve
essere sostituito dopo i cavi di alimentazione siano collegati e prima che
l'alimentazione è attivata.
NON connettere mai per nessun motivio il ECN a tensioni al di fuori del range
100 to 240 VAC, -10% to +20%, 50/60 Hz.
NON connettere mai per nessun motivio il ECN ad un modem la cui
alimentazione sia al di fuori del range 14 VDC @ 300 mA.
Безопасности и высокого напряжения Предупреждение
Убедитесь, что мощность переменного тока выключен, прежде чем снимать
переднюю крышку, обработки проводки входной мощности, или подключения
любого входа силовых кабелей к ECN 7650 устройств.
ECN не оборудован власти отключить устройство. Когда ECN установлена и
смонтирована, установщик должен обеспечить средства для безопасного
удаления власть и установить выключатель с максимальным рейтингом 16 А.
высоковольтных терминальный блок имеет пластиковую крышку защиты
винтовые клеммы используются для подключения высоковольтного входа.
Это покрытие должны быть заменены после силовые провода подключены и
перед властью активирован.
Ни при каких обстоятельствах связаться ECN для напряжения сети за
пределы диапазона от 100 до 240 В переменного тока, -10% до +20%, 50/60 Гц.
Ни при каких обстоятельствах связаться ECN для модема которого требуется
рабочее напряжение 14 В постоянного тока не (300 мА максимум).
安全和高电压警告
确保交流输入电源被拆除之前关闭前盖，处理输入功率布线，或连接任何电缆输入功
率的ECN的7650设备。
该ECN是没有配备电源断开设备。当ECN是安装和安装，安装程序必须提供一种方法来
安全地切断电源，并安装了16A条，最大容量的断路器。
高电压端子块有一个塑料盖保护螺丝用来连接高电压输入端子。此盖后必须更换电源
66
Safety and High-Voltage Warnings
线连接电源之前被激活。
不要在任何情况下联络的范围以外的100至240VAC，10％至+20％，50/60Hz的主电源电压的ECN的。
任何情况下做不连接到调制解调器的ECN的要求的工作电压不14VDC（300mA的最大值）
。
安全性と高電圧警告
確認は、AC入力電源は、入力電源配線を取り扱う場合や、電子証券取引ネットワー
ク7650デバイスにケーブル接続、任意の入力電源を接続して、フロントカバーを取
り外す前にオフになっていること。
ECNは、装置の電源を切断が装備されていない。
ECNがインストールされている場合、マウント、インストーラは安全に電源を削除し
て、16Aの最大定格を持つ回路ブレーカをインストールする手段を提供する必要があ
ります。
高電圧端子台は、高電圧入力を接続するためのネジ留め式端子を保護するプラスチ
ック製のカバーを持っています。電源コードが接続された後、電源がアクティブに
なる前にこのカバーしなければ置き換えられます。
どのような状況は、240VACの範囲100、10％〜+20％、50/60Hzの外の電源電圧にECNを登録の下にしないでください。
その必要な動作電圧（300ミリアンペア最大）抵抗値をされていないモデムにECNを
登録どのような状況の下でしないでください。
Safety Warning
Safety Warning
The ECN uses three Littelfuse® 215SP Series, 250VAC Time-Lag Fuse
(0215063MXESPP) fuses (F1, F2, and F3), one for each phase. Amperage rating
6.3 A.
Advertencia de Seguridad
El ECN utiliza tres Littelfuse 215SP Series, 250VAC Time-Lag Fuse
(0215063MXESPP) fusibles (F1, F2, y F3), uno para cada fase. Amperaje 6,3A
calificación.
ECN 7000 Series Hardware Guide
67
Avertissement Sécurité
L'ECN utilise trois Littelfuse 215SP Series, 250VAC Time-Lag Fuse
(0215063MXESPP) fusibles (F1, F2, et F3), un pour chaque phase. 6,3A
Ampérage.
Sicherheitshinweis
Die ECN verwendet drei Littelfuse 215SP Series, 250VAC Time-Lag Fuse
(0215063MXESPP) Sicherungen (F1, F2, und F3), eine für jede Phase.
Amperezahl 6,3A.
Säkerhetsvarning
ECN använder tre Littelfuse 215SP Series, 250VAC Time-Lag Fuse
(0215063MXESPP) säkringar (F1, F2, och F3), en för varje fas. Strömstyrka
6,3A.
Avviso di sicurezza
Il ECN utilizza tre Littelfuse® 215SP Series, 250VAC Time-Lag Fuse
(0215063MXESPP) fusibili (F1, F2, e F3), uno per ogni fase. Amperaggio
valutazione 6,3A.
Безопасность Предупреждение
ECN использует три Littelfuse 215SP Series, 250VAC Time-Lag Fuse
(0215063MXESPP) предохранителей (F1, F2, и F3), по одному для каждой
фазы. 6,3A значением тока.
安全警告
该ECN使用三个Littelfuse 215SP系列250VAC Time-Lag
(0215063MXESPP）熔断器（为F1，F2和F3），每个阶段之一。额定电流 6.3A。
安全警告
ECNは、3つのLittelfuse 215SPシリーズ250VAC TimeLag（0215063MXESPP）ヒューズは（F1、F2、およびF3）、各フェーズのいずれかを
使用します。定格電流の6.3A。
68
Safety and High-Voltage Warnings
C
ESD and Battery Warnings
This appendix provides the electrostatic discharge (ESD)
and battery warnings for the ECN 7000 Series of products.
The battery is end-user serviceable, and the ECN device will
continue to operate even if the battery fails.
ECN 7000 Series Hardware Guide
69
ESD Warning
Electrostatic Discharge Warning
This product contains components which are sensitive to static electricity. Before
installing or removing the serial cable, touch earth ground with your hand to
discharge any static electricity which may have accumulated.
Aviso de descarga electrostática
Este producto contiene componentes que son sensibles a la electricidad estática.
Antes de instalar o de retirer el cable serie, asegúrese de tocar un contacto a
tierra para descargar cualquier electricidad estática que pudiera haberse
acumulado.
Attention aux décharges électrostatiques
Ce produit contient des composants qui sont sensibles à l’électricité statique.
Avant de brancher ou de débrancher le cordon série, veuillez placer la main sur
la borne de terre pour évacuer toute électricité statique accumulée.
Elektrostatische Entladungen Warnung
Dieses Produkt beinhaltet Komponenten, die empfindlich für eine statische
Aufladung sind. Bevor Sie serielle Kabel installieren oder entfernen, müssen Sie
für eine ordnungsgemäße Entladung der statischen Aufladung sorgen, in dem Sie
mit der Hand eine Erdungsstelle berühren.
Elektrostatisk urladdning Varning
Denna produkt innehåller komponenter som är känsliga för statisk elektricitet.
Innan seriekabeln ansluts eller tas bort, vidrör markjord med handen för
urladdning av eventuell statisk elektricitet som kan ha uppstått.
Attenzione alle scariche elettrostatiche
Questo prodotto contiene componenti sensibili all'elettricità statica. Prima di
installare o rimuovere il cavo seriale, assicurarsi che si tocca un contatto a terra
per scaricare l'elettricità statica che potrebbe essersi accumulata.
Электростатического разряда Предупреждение
Этот продукт содержит компоненты, которые чувствительны к статическому
электричеству. Перед установкой или снятием последовательный кабель,
70
ESD and Battery Warnings
убедитесь, что вы нажмете контакта с землей, чтобы заряд статического
электричества, которые могут накапливаться.
静电放电警告
本产品含有敏感元件对静电。在安装或拆卸串行电缆，请确保您点击一个接触到地面
的静电放电可能积累。
静電放電警告
この製品は、静電気に敏感なコンポーネントが含まれています。インストールまた
はシリアルケーブルを取り外す前に、放電し蓄積している可能性のある静電気を接
地して連絡先をタップしてください。
Battery Warning
Battery Warning
The ECN contains a backup battery for the real-time clock. There is a risk of
explosion if this battery is replaced with an incorrect type. Please dispose of the
used batteries in accordance with the manufacturer’s instructions.
Advertencia de la Batería
El ECN contiene una batería de reserva. Hay un riesgo de explosión si esta
batería se substituye por una del tipo incorrecto. Disponga por favor de las
baterías usadas de acuerdo con las instrucciones del fabricante.
Avertissement relatif aux batteries
L’ ECN contient une batterie pour les sauvegardes. Il y a un risque d’explosion
dans le cas ou cette batterie est remplacée par un modèle non conforme. Merci
jeter les piles usagées conformément aux instructions du fabricant.
Sicherheitshinweis: Vorsicht Batterie!
Die ECN enthält eine Batterie für die Echtzeituhr. Es besteht die Gefahr einer
Explosion, falls diese Batterie durch einen falschen Batterietyp ersetzt wird.
Bitte, entsorgen Sie die gebrauchten Batterien entsprechend den
Herstellerhinweisen.
ECN 7000 Series Hardware Guide
71
Batterivarning
ECN har ett backup-batteri. Om batteriet byts ut mot ett batteri av fel typ
föreligger explosionsrisk. Se till att batteriet förstörs enligt tillverkarens
anvisningar.
Avvertenza sulla Batteria
Il ECN contiene al suo interno una batteria di backup. Se la batteria viene
sostituita con un tipo non conforme, ci potrebbe essere pericolo di esplosione. Si
prega di eliminare le batterie usate in accordo con quanto specificato nelle
istruzioni del costruttore.
Предупреждение на аккумуляторе
ECN содержит резервную батарею. Существует риск взрыва при этом батарея
заменена неправильного типа. Утилизация отслуживших аккумуляторов
осуществляется в соответствии с инструкциями производителя.
电池警告
在ECN的包含一个备份电池。有爆炸的危险，如果这种电池是一个不正确的取代。请
说明处理废旧电池与制造商的说明。
バッテリーの警告
ECNは、バックアップバッテリが含まれています。このバッテリーは、不適切なタ
イプと交換すると、爆発の危険があります。製造元の指示に従わずに使用済みの電
池は処分してください。
72
ESD and Battery Warnings
www.echelon.com

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