Ampt 31570013 Ampt Communication Unit (SDAG) User Manual 57070008 1 v20141111x

Ampt LLC Ampt Communication Unit (SDAG) 57070008 1 v20141111x

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Manual
Ampt Communications Unit
Installation Manual
57070008‐1 20141110
Information and Disclaimer
Copyright 2014 AMPT, LLC. All rights reserved.
No part of this document may be reproduced, retransmitted, or copied in any form without the
expressed and written permission of Ampt.
Ampt makes no representations, expressed or implied, that with respect to this documentation
or any of the equipment and/or software it may describe, including (with no limitation) any
implied warranties of utility, merchantability, or fitness for any particular purpose. All such
warranties are expressly disclaimed. Ampt shall not be liable for any indirect, incidental, or
consequential damages under any circumstances. (The exclusion of implied warranties may
not apply in all cases under some statutes, and thus the above exclusion may not apply.)
The following specifications are subject to change without notice, even though every attempt
has been made to make this document complete, accurate and up-to-date. Readers are
cautioned, however, that Ampt reserves the right to make changes without notice and shall not
be responsible for any damages, including indirect, incidental or consequential damages,
caused by reliance on the material presented, including, but not limited to, omissions,
typographical errors, arithmetical errors or listing errors in the content material.
Ampt LLC
4850 Innovation Drive
Fort Collins, Colorado 80525
Tel 970-372-6950
www.ampt.com
Copyright 2014 AMPT, LLC
Important Safety Information
Warnings
A warning identifies a hazard to equipment or personnel. It calls attention to a procedure or
practice, which, if not correctly performed, could result in damage to or destruction of part or
all of the Ampt equipment and/or other equipment connected to the Ampt equipment or
personal injury.
The following boxes are used to alert you to important safety information.
Warning:
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Caution:
Indicates a hazardous situation which, if not avoided, could result in minor or moderate
injury.
Notice:
Indicates a situation that can result in property damage if not avoided.
Note:
This symbol accompanies notes that call attention to supplementary information that you
should know and use to ensure optimal operation of the Ampt system.
Table of Contents
Information and Disclaimer ............................................................................................................. 3
Important Safety Information .......................................................................................................... 4
Warnings .............................................................................................................................................................. 4
Chapter 1: Introduction........................................................................................................... 7
General Description ......................................................................................................................... 7
Specifications................................................................................................................................... 8
Modbus Register Map ...................................................................................................................... 9
Dimensional Drawing ..................................................................................................................... 10
Physical Overview .......................................................................................................................... 10
Labels ................................................................................................................................................................. 10
Internal ...............................................................................................................................................................11
Understanding the Status LEDs ...................................................................................................... 12
Chapter 2: Installing the Ampt‐CU ........................................................................................ 13
Installing the Ethernet Cable Feed‐through .................................................................................... 14
Mounting the Enclosure ................................................................................................................. 16
Connecting Power over Ethernet ................................................................................................... 17
Configuring the Ampt‐CU Network Settings ................................................................................... 18
Restoring Factory Defaults ............................................................................................................. 19
Appendix ............................................................................................................................... 21
Compliance .................................................................................................................................... 21
FCC Compliance..................................................................................................................................................21
Copyright 2014 AMPT, LLC
Chapter 2: Installing the Ampt-CU
Chapter 1:
Introduction
General Description
The Ampt communications unit (Ampt-CU) provides
wireless two-way communication with every Ampt
converter
The Ampt-CU links to your SCADA or monitoring
system via Modbus to provide highly accurate and
synchronous data. This solution eliminates the need
for smart combiners which lowers costs.
With Ampt communication, system designers,
operators, owners, and financiers gain a level of
transparency and predictability unmatched by
conventional monitoring solutions.
This improved system planning and decision-making capability lowers PV project risk and
increases return on investment.
Copyright 2014 AMPT, LLC.
Specifications
System Layout
PV block size
Up to 3200 kWp DC
Ampt converters per Ampt‐CU
Up to 2000
Example of layout
125 strings x 16 modules/string = 2000 Ampt converters
Maximum radio communications
operating range
200 m radius
Data Communications
Interface with data monitoring system
Modbus / TCP
Connection with data monitoring
Ethernet 10/100 Base T
Interface with Ampt converters
Two‐way wireless
Resolution
Measurement accuracy
Amperage: ±0.25%
Reporting rate, typical
5 minutes, 2000 converters
Local data storage
45 day rolling buffer
Electrical
Power supply
Power over Ethernet (PoE)
Power over Ethernet (PoE)
Class 0, 802.3af Modes A and B, 802.3at Type 1 (RJ‐45 connector)
Mechanical
Enclosure
IP‐66
Dimensions
13.82” x 10.54” x 5.35”
(35.10 cm x 26.77 cm x 13.59 cm )
Weight
5.6 lbs (2.5 kg)
Ambient temperature, operating
‐40 °F to +185 °F (‐40 °C to +85 °C)
General
Compliance
FCC Part 15, class B
IEC 60950‐1, 61000‐6‐1, 61000‐6‐3
Chapter 2: Installing the Ampt-CU
Modbus Register Map
Ampt StringView records use the SunSpec protocol for device ID and variable record
length, enabling site-specific operation. The SunSpec Common Model precedes the map
below. Contact Ampt or one of our monitoring partners for more information.
Start
offset
Size
Name
Type
R/W
Description
ID
Uint16
Ampt SunSpec Vendor Code 64050
Uint16
Variable number of 16 bit registers to follow:
12+N*16
Current scale factor
Fixed Block (15)
DCA_SF
Int16
Reserved
‐
‐
DBWh_SF
Int16
Reserved
‐
‐
Uint16
Reserved
‐
‐
Energy scale factor
Number of strings
Register blocks for string data follow. Repeat block for each string. Two strings are shown as an example.
15
String ID
Int16
The string number.
16
Reserved
‐
‐
18
String data timestamp
Uint32
The UTC timestamp of the measurements.
20
OutDCA
Int16
String output current in mA
21
Reserved
‐
‐
27
DCWh
Uint32
29
Reserved
‐
‐
31
String ID
Int16
32
Reserved
‐
‐
34
String data timestamp
Uint32
The UTC timestamp of the measurements.
36
OutDCA
Int16
String output current in mA
37
Reserved
‐
‐
43
DCWh
Uint32
45
Reserved
‐
‐
Daily integrated string output energy
The string number.
Daily integrated string output energy
Repeat block for additional strings
Copyright 2014 AMPT, LLC.
Dimensional Drawing
Figure 1: Ampt‐CU dimensional drawing
Physical Overview
Labels
Serial and model
number label
MAC address label
Figure 2: Serial number, model number, and MAC address labels
10
Chapter 2: Installing the Ampt-CU
Internal
Reset button
Restore button
Power LED
Com LED
Fault LED
Ethernet port
Cable locks
RS‐485 port and
Term switch
Figure 3: Interface panel
Component
Description
Ethernet port
RJ‐45 connector for Power over Ethernet (PoE) and Ethernet communication.
RS‐485 port
Reserved for engineering use
Termination switch
Reserved for engineering use.
Reset button
Pressing this button forces the Ampt‐CU to reboot.
Restore button
This button restores the network settings and password back to their factory default
values. See Restoring Factory Defaults on page 19 for more detail.
Power LED
This green LED is on continuously when the input voltage is above the minimum
threshold.
Com LED
This LED displays boot status.
Fault LED
This red LED communicates fault conditions.
Cable locks
Route the input power and communication cables through these guides.
Copyright 2014 AMPT, LLC.
11
Understanding the Status LEDs
The Ampt-CU has three status LEDs. When input power is first applied to the Ampt-CU, all
LEDs are on continuously for several seconds. Then the Com LED flashes amber while
software is booting. Once boot up is complete and the Ampt-CU is operating normally, both
the Power and Com LEDs are on solid green.
Name
State
Description
Power
Continuous Green
Input power supply voltage exceeds the minimum threshold.
Com
Flashing Amber
Software is booting up.
Continuous Green
Boot process is complete.
Continuous Red
When this LED is on solid red after the boot up process, a fault condition
has been detected. Cycle the input power. If this LED is still on after the
Com LED finishes flashing (during the boot process), then contact Ampt
support.
Fault
12
Chapter 2: Installing the Ampt-CU
Chapter 2:
Installing the Ampt‐CU
This chapter addresses the following topics:





Installing the Ethernet Cable Feed-through
Mounting the Enclosure
Connecting Power Over Ethernet
Configuring the Field Computer Network Settings
Restoring Factory Defaults
Copyright 2014 AMPT, LLC.
13
Installing the Ethernet Cable Feed‐through
A liquid-tight wire grip is recommended for the Ethernet cable feed-through. The markings on
the bottom of the unit show where to make a hole for the wire grip.
Install liquid‐tight
wire grip in this area
Figure 4: Bottom view of the communication unit
1. Make sure the communication unit is not powered up.
2. Use a drill or punch to create a hole for the wire grip within the marked area.
Notice:
Drilling outside of the designated area may damage internal electronic
components.
Figure 5: Drill hole for the wire grip within the marked area
14
Chapter 2: Installing the Ampt-CU
3. Install your wire grip. An example is shown below.
Figure 6: Example of an installed liquid‐tight wire grip
Copyright 2014 AMPT, LLC.
15
Mounting the Enclosure
Connect the hardware as shown in the figure below, or using a similar method, to mount the
Ampt-CU enclosure.
Figure 7: Mounting hardware for Ampt‐CU
Note:
The 1‐5/8” washer (number 5 above) is recommended for strut and uneven mounting
surfaces.
Note:
If a vertical pole is used behind the Unistrut, it should be placed near the horizontal center
of the Ampt‐CU.
ID
Description
4 each ¼-20 x 1.25” 18-8 SS Hex Head Cap Screw (McMaster Carr 92240A544 or
equivalent)
4 each ¼ STD split lock washer 18-8 SS (Grainger 1NY97 or equivalent)
4 each ¼ STD flat washer 18-8 SS (Grainger 1NU48 or equivalent)
1 each Ampt-CU
4 each 1 hole washer, flat plate fitting (1-5/8” series) Unistrut P1062 EG or
equivalent (McMaster Carr 3133T11 or equivalent)
2 each Unistrut or Kindorf 1-5/8” x 13/16” x 16” galvanized slotted channel
4 each ¼-20 strut spring nut, galvanized (McMaster Carr 3259T17or equivalent)
16
Chapter 2: Installing the Ampt-CU
Connecting Power over Ethernet
You will need to use a PoE injector that meets the requirements in the Specifications section
on page 8. The diagram below illustrates the basic installation of a PoE injector; however, be
sure to follow the installation instructions that comes with your PoE device.
Caution:
Live voltages may be present on the PoE cables.
Figure 8: Generic Power over Ethernet (PoE) connection diagram – follow the instructions for your device
1. Route the Ethernet cable through the feed-through and cable locks. An example is
shown below.
Figure 9: Ethernet cable routing and connection
2. Connect the cable to the Ethernet port.
3. Twist the ends of the cable locks together to hold the cable in place.
Note:
Keep wires out of the antenna area as noted on the panel.
Copyright 2014 AMPT, LLC.
17
Configuring the Ampt‐CU Network Settings
Note:
Completing the tasks in this section should be completed by a Network Administrator.
Please note the following:



Default IP address of the field computer is 192.168.1.249
Web interface to configure the field computer is accessed via port 8080
Modbus data is accessed via port 502
To configure the Ampt-CU network settings:
1. Configure the TCP/IP settings of your laptop to:
a. IP Address - 192.168.1.248
b. Netmask - 255.255.255.0
2. Ensure the Ampt-CU is powered up. The Power LED should be on and solid green.
3. Connect your laptop to the field computer using the Ethernet ports of each device. If using
PoE, the PoE injector must be connected between the laptop and the Ampt-CU.
4. Open your web browser and enter the default IP address (http://192.168.1.249:8080/) in
the address bar.
5. Complete the fields on the login page
a. Login: admin
b. Password: password
6. Once logged in, use the menu on the left to:
a. Change your password
b. Configure network settings
c. Set time zone and network time servers
d. Manage the layout file
e. Setup communications
f. Reference the Modbus map
g. View string/inverter currents, voltages, power
h. Download string data in CSV format - new hardware will not have any data
available until it has been online at least a day with a live system.
i. Perform a system test
j. Enable Ampt support access
k. Reboot the system
18
Chapter 2: Installing the Ampt-CU
Figure 10: Network Settings Home Screen
7. Follow the onscreen directions for each task.
Restoring Factory Defaults
The network settings and password can be restored to factory default values by pressing and
holding the Restore button during the boot process. If you are using this feature to restore the
password, be sure to record your network settings first. See Configuring the Ampt-CU
Network Settings on page 18 for more details.
To restore the network settings and password:
1. Press the Restart button
2. The LEDs will be on continuously for several seconds.
3. When the Com LED flashes, press and hold the Restore button until the Com and Fault
LEDs alternate flashing.
4. The network settings and password are restored and the unit automatically reboots.
Copyright 2014 AMPT, LLC.
19
20
Appendix
Appendix
Compliance
FCC Compliance
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
This equipment complies with radiation exposure limits set forth for uncontrolled
environment. The antenna(s) used for this transmitter must be installed to provide a
separation distance of at least 20 cm from all persons.
IMPORTANT! Changes or modifications not expressly approved by Ampt, LLC could void
the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential
area is likely to cause harmful interference in which case the user will be required to correct
the interference at his own expense.
FCC ID # X3R-31570013
Model Number: 31570013
Copyright 2014 AMPT, LLC.
21
Ampt, LLC
4850 Innovation Drive
Fort Collins, CO 80525
970-372-6950
Technical Support: support@ampt.com
22

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