Geophysical Technology NRU1C9G2Y1 NRU 1C User Manual Field Equipment

Geophysical Technology Inc. NRU 1C Field Equipment

Users Manual Rev 1_3b

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Document ID3633033
Application ID3MTc8jzqceEADubb5sj02A==
Document DescriptionUsers Manual Rev 1_3b
Short Term ConfidentialNo
Permanent ConfidentialNo
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Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
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Date Submitted2017-11-09 00:00:00
Date Available2017-11-15 00:00:00
Creation Date2017-10-26 08:40:12
Producing SoftwareMicrosoft® Word 2016
Document Lastmod2017-10-26 08:40:12
Document TitleField Equipment
Document CreatorMicrosoft® Word 2016
Document Author: NuSeis System

Field Equipment
USER MANUAL
NuSeis System
GEOPHYSICAL TECHNOLOGY INC | WWW.GEOPHYSICALTECHNOLGY.COM
FIELD EQUIPMENT
NUSEIS
Document Identifier: Field Equipment
This document describes the NuSeis Field Equipment. This manual is believed to be correct and
accurate, however Geophysical Technology Inc reserves the right to make changes to products,
software or specifications without notice at any time to improve performance, reliability, and
functionality. Information contained in this document may not be modified or altered in any form
without the expressed written consent of Geophysical Technology Inc.
Revision
Description
Author
Checked
By
Approved
By
Date
12-May-17
1.0
First Draft
DR
1.1
Adjusted references
DR
13-Jun-17
1.2
Edits and added features
DR
24-Aug-17
1.3
FCC Statement added
DR
29-Sept-17
1.3b
Edits, name change for DMP
DR
26-Oct-17
Geophysical Technology Inc
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Contents
Chapter 1 Introduction ................................................................................................................................. 4
Overview ................................................................................................................................................... 5
Handling .................................................................................................................................................... 6
Chapter 2 NRU-1C ......................................................................................................................................... 7
User Manual Statement – FCC .................................................................................................................. 8
NRU-1C Specifications............................................................................................................................... 9
NRU-1C Block Diagram............................................................................................................................ 10
NRU-1C Description ................................................................................................................................ 11
Physical................................................................................................................................................ 11
Power .................................................................................................................................................. 12
Geophone Sensor................................................................................................................................ 13
Hardware ............................................................................................................................................ 15
LED Status ........................................................................................................................................... 16
NRU-1C Preparation ................................................................................................................................ 17
Cleaning............................................................................................................................................... 17
Charging .............................................................................................................................................. 17
Shelf Mode .......................................................................................................................................... 17
States................................................................................................................................................... 17
Programming ...................................................................................................................................... 18
Bumping .............................................................................................................................................. 18
NRU-1C Field Use .................................................................................................................................... 18
Laying Out ........................................................................................................................................... 18
Picking Up............................................................................................................................................ 20
Downloading ....................................................................................................................................... 20
Chapter 3 NRU-1C-KCK................................................................................................................................ 21
NRU-1C-KCK Description ......................................................................................................................... 22
Chapter 4 Data Management Panel............................................................................................................ 23
Data Management Panel Overview ........................................................................................................ 24
Data Management Panel Use ................................................................................................................. 24
Chapter 5 Charging Panel............................................................................................................................ 26
Charging Panel Overview ........................................................................................................................ 27
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Charging Panel Use ................................................................................................................................. 27
Chapter 6 Portable Case – Charging ........................................................................................................... 29
Portable Case - Charging Description ..................................................................................................... 30
Use of the Portable Case - Charging ....................................................................................................... 30
Chapter 7 Portable Case – Data Management & Charging......................................................................... 32
Portable Case – Data Management & Charging Description .................................................................. 33
Use of the Portable Case – Data Management & Charging .................................................................... 34
Chapter 8 Manual Deployment/Extraction Tools ....................................................................................... 36
Deployment Tool..................................................................................................................................... 37
Extraction Tool ........................................................................................................................................ 40
Chapter 9 Automated Deployment System ................................................................................................ 42
Automated Deployment System V3 ....................................................................................................... 43
ADS V3 Specifications.............................................................................................................................. 44
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Chapter 1 Introduction
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Overview
Figure 1
•
•
•
•
•
•
•
The most important part of the NuSeis Ecosystem is the field equipment.
The NRU-1C is deployed in the field to record seismic data.
The data is recorded in proprietary format on a uSD card. The data is extracted and output in
SegY format by NuScribe.
Deployment of the NRU in the field can be done with several different methods.
Manual deployment and extraction tools can be used for most applications.
The ADS V3 automatic deployment system allows for accurate quick automated deployment.
NRU-1C-KCK units have an external connector that allows for recording with external geophone
strings, or recording of auxiliary channels from the recorder encoder.
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Handling
•
•
•
While the construction of the NuSeis field equipment is extremely rugged and robust,
some of the equipment still contains electronic circuitry that could possibly be damaged
by heavy physical shock and abuse.
Handling of all NuSeis equipment should be done in accordance with precautions and
instructions described in the NuSeis Manuals.
NRUs should be handled with care. Avoid dropping or throwing the devices so as to
cause a heavy shock to be translated into the internal electronics. Use the prescribed
transportation and handling methods, never transport the NRUs loose in a vehicle.
PLEASE NOTE:
 Any misuse or mishandling of any NuSeis equipment will
void the manufacturer warranty and any required repairs
will be at the buyer’s cost.
 Unauthorized attempts to open or repair NuSeis
warranted equipment will void the warranty and any
required repairs will be at the buyer’s cost.
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Chapter 2 NRU-1C
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User Manual Statement – FCC
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.
Changes or modifications not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
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. 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
instructions, may cause harmful interference to 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, the user is encouraged to try to correct the interference by one of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
To comply with FCC RF exposure limits for general population / uncontrolled exposure, the
antenna(s) used for this transmitter must be installed to provide a separation distance of at
least 20 cm from all persons and must not be co-located or operating in conjunction with any
other antenna or transmitter.
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NRU-1C Specifications
Seismic Data
Channel
1 Component
ADC Resolution
Preamplifier
Gain
24-Bit Delta Sigma
Programmable 0dB to 42dB
in 6dB steps
Anti-alias Filter
206.5Hz @ 2ms 413Hz @
1ms
Linear Phase and Minimum
Phase
Operating
Temperature
Range
-40°C to +60°C
Weight
0.862 kg, 1.9 lbs.
Dimensions
Max 50.5mm tube
299 mm long
standard M60 hex
Max 1.988” tube
11.77” long
Standard M60 hex
Battery
Battery
Longevity
Type: 10ah Li-Ion
Charging Time: ~6 hours
from cutoff to 100%
Charging Temperature
Range: 0°C to 45°C
Cycle Life: >500 cycles to
80%
~360 Hours
12 hours/day: ~30 days
24 hours/day: ~15 days
Acquisition Channel
@2ms sample
interval, 25°C,
31.25Hz
Sensor Test
Resistance, Impedance, Noise
Sensor
Internal Single Geophone:
10Hz +/-3.5%
85.8V/m/s +/-3.5%
Other geophones available on
request
Internal
Test
Impulse Response, Noise, Total
Harmonic Distortion
Memory
8GB standard (expandable to 16,
32, or 64GB)
~55 days @ 2ms
~27 days @ 1ms
Wireless:
Communication Bluetooth (BLE low power)
Transfer Jet Proximity
Geophysical Technology Inc
Maximum input signal:
1768mVrms @0dB
Total Harmonic
Distortion: 0.0001%
@31.25Hz
Instantaneous Dynamic
Range @ 12dB gain:
123dB @ 2ms
121dB @ 1ms
119dB @ 0.5ms
Equivalent Input Noise:
1500nV @ 0dB
400nV @ 12dB
160nV @ 24dB
Gain Accuracy: 0.25%
unit to unit
Input Impedance:
20kohm
Timing Accuracy:
+/- 12.5usec
GPS Time Standard:
Better than 500ppb
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NRU-1C Block Diagram
Figure 2
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NRU-1C Description
Physical
•
The case of the NRU-1C consists of 4 parts.
o Bottom Assembly – a tapered high strength tube that encases the NRU clamshell
assembly and geophone element. The shape and design enhance the NuSeis EarthGrip
technology.
o Cap Assembly – high strength clear plastic allows for full view of the high visibility LEDs
in the NRU. Incorporates an Ultramid insert that has 2 stainless steel MIMs for battery
charging and connection to an external battery.
o Bottom Clamp – stainless steel threaded ring used to secure the bottom assembly.
o Top Clamp – stainless steel M60 hex nut used to secure the top assembly.
Top Clamp
Cap Assembly
Bottom Assembly
Bottom Clamp
Figure 3
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Power
•
•
•
Internal battery – 10Ah Li-Ion
The battery is protected by the clamshell assembly and a rubber compression square ring for
shock absorption.
Charger is built into the NRU. This allows charging by simply applying a DC voltage to the top
assembly MIMs connectors. 12 to 15vdc can be used for charging purposes, 12vdc is optimal.
Figure 4
•
An external battery may be connected to the NRU to either charge the internal battery in the
field, or to serve as an extra power source depending on the voltage of the battery used. 5 to
9vdc
Figure 5
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Geophone Sensor
•
•
•
The NRU-1C has an internal single geophone sensor embedded in the bottom case.
The location of the geophone and the design of the case incorporates the EarthGrip technology.
The normally supplied geophone is a Sunfull PS-10R. Other sensors are available upon request.
Figure 6
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Figure 7
Figure 8
•
•
There is no shunt resistor on the Sunfull geophone
A rubber grommet is used on top of the geophone for compression of the geophone into the
bottom case of the NRU.
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•
NUSEIS
Resistance, impedance, noise and distortion tests ensure the quality of the geophone sensor.
LED indicators and NuSite tools help QC the test results.
Hardware
•
•
•
The NRU electronics are protected by a 2-part clamshell, as well as the high strength design of
the case assembly.
See the electronic block diagram on page 7.
There are 4 boards.
o Antenna Board
▪ BLE Bluetooth device and antenna. Used for status broadcasting and NuSite
communications
▪ Transfer Jet device and antenna. For data offloading, parameter and firmware
programming
▪ GPS module and connection to the GPS antenna.
▪ Serves as motherboard for digital and analog board interconnection
o Digital Board
▪ LED status indicators
▪ Battery charging circuit, including the connection to the Cap Assembly MIMs
▪ uSD card. Stores the seismic data in proprietary format. Easily swappable
▪ Processor
o Analog Board
▪ LED status indicators
▪ Connector for the geophone element
▪ Analog switching for the geophone input circuitry
▪ A to D converter
▪ High precision clock circuitry
o GPS Antenna Board
Clamshell
Figure 9
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LED Status
•
Highly visible LEDs indicate status of the NRU.
Status
Green
LED
Yellow Orange
Blue
White
Purple
Red
Geophone
Testing Pass
Valid
Deployment
Solid till
removed
from
charge
5 - 1 sec
blinks
5 - 1 sec
blinks
BLE Startup
Geophone
Testing
Bump On
Solid while
connected
Solid
until
shelved
1 sec
blink
forever
Fully Charged
Battery
BLE
Connected to
NuSite
Charging
Battery
Valid Undeployment
Going into
Shelf Mode
TJet
connection
lost (must
reboot)
Failed Deploy
or Un-deploy
Failed
Geophone
Test
NRU Error
2 sec
solid
1 sec
blink till
complete
1 sec
blink
4 second
blink
5 - 1 sec
blink
5 - 1 sec
blink
2 sec
blink
forever
2 sec
blink
forever
LED Chart
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NRU-1C Preparation
Cleaning
•
•
•
•
•
Make sure that the top caps of the NRUs are clean and free of mud or wet material, or a large
amount of dust.
Dust can be removed using a dry brush.
Mud can be washed off with clean water and a brush. Do not pressure wash the NRUs.
A very light soap/water mixture can be used to wash the NRUs, but must be rinsed off with clear
water.
➢ Never use CRC or any other type of aerosol cleaning agent to clean the case of the
NRU. Use of an aerosol cleaner or chemical cleaner could result in damage to the case.
Let the NRUs dry off prior to charging or downloading.
Charging
•
•
•
•
See the sections for use of the Charging Panel page 25, and Portable Charging Case page 28.
Ensure that the NRUs are clean as stated in the section above.
The NRU LEDs will blink yellow while charging
The NRU should charge until the LEDs show solid green indicating full charge.
➢ If a NRU shows yellow blinking LEDs for over 12 hours, or never blinks yellow when
charge current is applied. The NRU should be removed from charge and checked for
defects.
Shelf Mode
•
Shelf Mode – powered off. This can be done during data offload, parameter programming, or
with NuSite in the field. See NuSite manual page 50, NuScribe manual page 46
o To take the NRU out of shelf mode, it will either need to be “bumped” or placed on
charge.
States
•
Deployed – in this state the NRU is active. The NRU is recording seismic data, GPS receiver is on
at intervals, system clock is locked, and status is being broadcast. This state can be set during
offload, parameter programming or by NuSite in the field. See NuSite manual page 48, NuScribe
manual page 61
•
Un-deployed – in this state the NRU is partially active. The NRU is not recording, the GPS
receiver is in a low power mode, the system clock is not locked, status is being broadcast. This
state can be set during offload, parameter programming or by NuSite in the field. See NuSite
manual page 49, NuScribe manual page 61
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Programming
•
•
•
See the NuScribe manual page 62.
Parameters for the current project will be set during programming, as well as checking firmware
levels and correcting them if they are not current.
Setting the mode and state of the NRU at the end of programming or downloading is an
operational decision.
o Many variables can come into play when deciding which mode to set the NRU to. For
example, storage time after programming, recording time required, days in the field, roll
requirements, etc.
o The NRU should be placed in Shelf mode if it is to be stored for a long period or if every
minute of battery life is required, so that the NRU is only bumped on right before
recording is required.
o If the NRU is going to be placed in the field immediately after programming or
offloading, it should be put in a Deployed state.
o If there will be a small period before the NRU is placed in the field it should be put in an
Un-deployed state to save battery life.
Bumping
•
•
•
•
•
When a NRU has been placed in Shelf mode, one way to turn it back on is bumping.
Bumping involves momentarily touching a DC voltage to the MIMs contacts on the cap
assembly.
The DC voltage can be between 9 and 12 volts, i.e. a 9-volt battery. Polarity must be observed.
Positive terminal is on the top MIM.
If the bump is successful the NRU LEDs will blink white once.
After bumping, the NRU will emerge into either deployed or undeployed state depending on
which mode it was in prior to shelving.
NRU-1C Field Use
Laying Out
•
•
The NRU should be placed as close to the receiver point pre-plot position or surveyed flag as
possible.
The NRU can be planted by using the ADS (Automated Deployment System) or a manual
deployment tool.
o Both methods form a hole in the ground that perfectly fits the NRU chassis for good
EarthGrip coupling.
o The ADS will automatically plant a NRU.
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•
•
With the manual deployment tool, the NRU will need to be placed in the hole by hand
and the top of the NRU stepped on with a foot to secure the plant. (Do not stomp on the
NRU as that may cause foot or leg injury).
The optimal depth for the NRU to be planted, is with the bottom of the bottom clamp level with
the top of the ground. The NRU can be planted down as far as having the top of the top cap
below the surface and a thin layer of sand placed over it so the unit is not visible.
As with most seismic sensors, the closer to perfect vertical placement the better. Care should be
taken when planting, not to deviate from vertical.
Figure 10
•
If the NRU is in shelf mode, it should be bumped on prior to planting it in the ground. Make sure
that the bump was successful by watching the LEDs for a single white blink during the bump,
then plant it.
o For a NRU that is shelved in an undeployed state, it will need to be deployed next. See
the NuSite manual page 48.
o For a NRU that is shelved in a deployed state, once it is bumped on it will need to have
the line and station numbers assigned in the NuSite database. See page 28 of the NuSite
manual for Edit Deployment.
o Ensure that the NRU is planted immediately after bumping to avoid having the
geophone tests fail due to the NRU being moved around during the tests.
o A green LED will indicate that all tests have passed and the NRU is recording.
o A check should be made on the NuSite device being used for deployment, that there are
no errors indicated for the NRU.
•
When a NRU goes to the line without being shelved, in either a Deployed or Un-deployed state,
then either assign line and station, or deploy and assign line and station. Refer to the NuSite
manual pages 28 and 48.
o A check should be made on the NuSite device being used for deployment, that there are
no errors indicated for the NRU.
•
When a NRU is in a Deployed state, it is broadcasting status messages. Any NuSite device within
BLE range of the NRU will record that status into its database.
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It is recommended that each NRU be revisited with a NuSite device regularly, after
deployment at a receiver point, to collect updated status. Regularity of the revisits
would be dependent on operational considerations.
The longer a NRU is deployed in a location, the better the accuracy of the GPS position
being recorded in the node. Collecting that GPS position contained in the NRU status
with the NuSite device improves the accuracy of the NuCentre/NuScribe databases for
later transcription of data.
Revisiting NRUs to collect status also improves spread QA/QC.
Picking Up
•
•
•
•
Prior to physically pulling the NRU out of the ground, it must be Un-deployed with a NuSite
device. Refer to the steps in the NuSite manual page 49. Un-deployment is very important
information that is gathered with the NuSite database, and is synchronized to the
NuCentre/NuScribe database for use during transcription.
o There may be circumstances that require a NRU to roll through several receiver point
locations prior to having data offloaded. In this case, un-deployment is extremely vital to
later data offloading and transcription.
If it is required, for operational reasons, to shelf the NRUs during pickup, refer to the NuSite
manual page 50 for the proper steps. Please take note of the cautions for those steps.
Use the extraction tool to dislodge the NRU from the ground. DO NOT HAMMER ON THE NRU
TO DISLODGE IT.
During un-deployment, the NuSite device will receive updated status from each NRU it visits,
before each unit is un-deployed.
Downloading
•
•
•
•
•
•
•
Ideally each NRU should be brought back, after it is picked up, to the location of the NuScribe
computer and the Download panels to download data from the NRUs.
o As noted in the section above it may be, for various operational reasons, that the NRU
could roll through several receiver points prior to download.
Prior to downloading, ensure that the top caps of the NRUs are clean and free of mud or wet
material, or a large amount of dust.
Dust can be removed using a dry brush.
Mud can be washed off with clean water and a brush. Do not pressure wash the NRUs.
A very light soap/water mixture can be used to wash the NRUs if necessary, but must be rinsed
off with clear water.
Let the NRUs dry off prior to downloading.
o Never use CRC or any other type of aerosol cleaning agent to clean the case of the NRU.
Use of an aerosol cleaner or chemical cleaner could result in damage to the case.
Follow the downloading process as described in the NuScribe manual page 61.
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Chapter 3 NRU-1C-KCK
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NRU-1C-KCK Description
•
•
The KCK model of the NRU is the same as the NRU-1C discussed in the last chapter, except there
is no geophone element embedded in the case.
The KCK model has a KCK style 2 pin water tight connector built into the case in the place of the
geophone element.
Figure 11
•
•
•
•
•
The electronics boards and specifications are the same as the NRU-1C, except for the geophone.
This model allows users to connect their own geophone strings to the NRU.
The KCK model can also be used to record the auxiliary channels from the source encoder unit,
i.e. Timebreak, Pilot, etc.…….
This model can also be used in the field with the sources to capture source signals. Vibrator
hardwires can be recorded as well as the signals needed for HFVS or other specialized vibroseis
operations that require the capture of source signals.
Programming, downloading and charging procedures are the same as for the NRU-1C nodes.
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Chapter 4 Data Management Panel
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Data Management Panel Overview
•
•
•
•
•
•
•
•
The Data Management Panel is capable of offloading or programming 8 NRUs at a time.
By using multiple Data Management Panels, the NuScribe computer can download or program
many NRUs simultaneously.
The Data Management ports are brown hard plastic cups with 2 springs that are used to contact
the NRU MIM for turning on the NRU prior to offloading and programming.
Each Data Management port has a Transfer Jet antenna built into the base, which
communicates with the NRU for downloading and programming via a proximity EM field.
The panel has 3 ethernet ports. 2 of the ethernet ports communicate with 6 of the Data
Management ports, and 1 ethernet port communicates with 2 of the Data Management ports.
The 3 ethernet ports connect to a 10Gb switch which is used to interconnect other Data
Management Panels and the NuScribe computer.
The panels can be wall mounted, or panel mounted. See page 31 for information on the
Portable Data Management and Charging Case.
The panel is powered by a 12vdc power supply. Several panels can be powered by 1 power
supply depending on the power supply specifications.
Data Management Panel Use
•
•
To carry out NRU offloading or programming operations, the panel must be connected to a
NuScribe computer via the ethernet ports.
Once the NRUs are loaded into the Data Management ports, follow the NuScribe manual
directions for either offload or programming. See NuScribe manual page 62.
Figure 12
•
The ports should be monitored for a buildup of dirt and debris in the bottom of the cups. Too
much dirt or debris may keep the NRU from turning on or downloading properly due to the
debris obstructing proper seating.
o Remove power from the case
o Use compressed air, preferably with a line dryer, to blow out the cups.
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No CRC or other aerosol cleaning sprays should be used to clean the cups. A dry soft
brush can be used to loosen debris in the cup prior to blowing it out with compressed
air.
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Chapter 5 Charging Panel
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Charging Panel Overview
•
•
•
•
•
•
The Charging Panels are capable of charging 8 NRU at a time.
The charging ports are white hard plastic cups with 2 springs that are used to contact the NRU
MIM for supplying voltage to the internal NRU battery charger.
There are no electronics inside the charging panels, they are simply distribution points.
The Panels are supplied by a 12vdc power supply.
Depending on scalability, several panels can be supplied by the same power supply depending
on the output capability of the power supply in use.
At peak charge, a single NRU will draw ~1.2 amps. With 8 NRUs charging a single panel will have
a current draw of ~9.6 amps.
Charging Panel Use
•
•
Follow the cleaning instructions for NRUs on page 15.
The NRUs can be charged on the charging panel either individually or by 8 in the NRU Cases as
seen below in Figure 13
Figure 13
•
•
•
•
Never use a charging port that is damaged.
When a shelfed NRU is plugged into a charging port, the LEDs will flash white once indicating
that the NRU has powered on.
The NRU LEDs will flash yellow during charging.
When the LEDS turn solid green, the NRU is finished charging. The 3 NRUs in figure 14 show
green LEDs indicating full charge. Once removed from the charging cup, the NRU LEDs will
remain green for a short amount of time before turning off.
o Note: NRUs coming off charge are turned on. If the NRUs are going into storage they will
need to be put into Shelf mode. See NuSite manual page 50 for directions to put a NRU
in Shelf mode.
o If there is no LED activity from a NRU on charge, the charging cup should be checked to
ensure the springs are good and there is voltage. If the charging cup is good, the NRU
should be flagged for repair.
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•
•
NUSEIS
Care should be taken when removing a crate of NRUs from charge as there may be some
difficulty removing that many connections at once due to the tightness of the NRU/port
connection. Use a slight rocking motion while pulling up solidly on the crate with both hands.
The charger ports should be monitored for a buildup of dirt and debris in the bottom of the
cups. Too much dirt or debris may keep the NRU from charging due to the debris obstructing
proper seating.
o Remove power from the panel
o Use compressed air, preferably with a line dryer, to blow out the charging panel cups.
o No CRC or other aerosol cleaning sprays should be used to clean the charging cups. A
dry soft brush can be used to loosen debris in the cup prior to blowing it out with
compressed air.
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Chapter 6 Portable Case – Charging
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Portable Case - Charging Description
•
•
•
•
The Portable Case - Charging is capable of charging 24 NRUs at one time.
The charging case contains 3 panels of 8 charging ports.
o Each panel is supplied by a separate 12vdc power supply. Total of 3 power supplies.
o There is enough redundancy in the power supply loads, that 1 power supply can run 2
panels of charging ports. If a power supply goes bad, the corresponding panel can be
moved over to a good power supply.
o Power supplies: 90-264vac, 50/60Hz
o 2 cooling fans keep the power supplies ventilated.
The charging ports are white hard plastic cups with 2 springs that are used to contact the NRU
MIM for supplying voltage to the internal NRU battery charger.
There are no electronics inside the charging panels, they are simply distribution points.
Figure 14
Use of the Portable Case - Charging
•
•
Follow the cleaning instructions for NRUs on page 15.
The NRUs can be charged in the portable charging cases either individually as shown in Figure 14
above, or by 8 in the NRU Cases as seen below in Figure 15
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Figure 15
•
•
•
•
•
•
Never use a damaged charging port.
When a shelved NRU is plugged into a charging port, the LEDs will flash white once indicating
that the NRU has powered on.
The NRU LEDs will flash yellow during charging.
When the LEDS turn solid green, the NRU is finished charging. The 3 NRUs in figure 14 show
green LEDs indicating full charge. Once removed from the charging cup, the NRU LEDs will
remain green for a short amount of time before turning off.
o Note: NRUs coming off charge are turned on. If the NRUs are going into storage they will
need to be put into Shelf mode. See NuSite manual page 51 for directions to put a NRU
in Shelf mode.
o If there is no LED activity from a NRU on charge, the charging cup should be checked to
ensure the springs are good and there is voltage. If the charging cup is good, the NRU
should be flagged for repair.
Care should be taken when removing a crate of NRUs from charge as there may be some
difficulty removing that many connections at once due to the tightness of the NRU/port
connection. Use a slight rocking motion while pulling up solidly on the crate with both hands.
The charger ports should be monitored for a buildup of dirt and debris in the bottom of the
cups. Too much dirt or debris may keep the NRU from charging due to the debris obstructing
proper seating.
o Remove power from the case
o Use compressed air, preferably with a line dryer, to blow out the charging panel cups.
o No CRC or other aerosol cleaning sprays should be used to clean the charging cups. A
dry soft brush can be used to loosen debris in the cup prior to blowing it out with
compressed air.
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Chapter 7 Portable Case – Data
Management & Charging
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Portable Case – Data Management & Charging
Description
•
The Portable Case – Data Management & Charging is capable of offloading 8 NRUs and charging
16 NRUs simultaneously.
Figure 16
•
•
•
The case contains 1 panel of 8 Data Management ports.
o The panel is supplied by a 12vdc power supply, which has a power switch for cycling
power to the download panel, but does not interrupt power to the charging panels.
o Power supplies: 90-264vac, 50/60Hz
o 2 cooling fans keep the power supplies ventilated.
o The panel has 3 ethernet ports. 2 of the ethernet ports communicate with 6 of the
downloading ports, and 1 ethernet port communicates with 2 of the downloading ports.
o The 3 ethernet ports connect to a switch which in turn connects to the external ethernet
port of the Portable Case. This is used to connect to the NuScribe computer ethernet
network.
o A clear plexiglass cover allows a view of the LEDs on the ethernet switch for connectivity
indication.
The Data Management ports are brown hard plastic cups with 2 springs that are used to contact
the NRU MIM for turning on the NRU prior to offloading and programming.
Each Data Management port has a Transfer Jet antenna built into the base, which
communicates with the NRU for offloading and programming.
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•
•
•
NUSEIS
The case contains 2 panels of 8 charging ports.
o Each panel is supplied by a separate 12vdc power supply.
o There is enough redundancy in the power supply loads, that 1 power supply can run 2
panels of charging ports. If a power supply goes bad, the corresponding panel can be
moved over to a good power supply.
o Power supplies: 90-264vac, 50/60Hz
o 2 cooling fans keep the power supplies ventilated.
The charging ports are white hard plastic cups with 2 springs that are used to contact the NRU
MIM for supplying voltage to the internal NRU battery charger.
There are no electronics inside the charging panels, they are simply distribution points.
Use of the Portable Case – Data Management & Charging
•
•
Follow the NRU cleaning steps states on page 15.
Charging can be carried out in the 2 charging panels as it is with the Portable Case - Charging,
see page 28 and 29 in the previous chapter for details on charging with the Portable Case.
•
To carry out NRU offloading or programming operations, the Portable Case must be connected
to a NuScribe computer via the external ethernet port seen at the bottom of figure 16 below.
Figure 17
•
Once the NRUs are loaded into the offload ports, follow the NuScribe manual directions for
either offload or programming. See NuScribe manual page 61.
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NUSEIS
The charger and offload ports should be monitored for a buildup of dirt and debris in the
bottom of the cups. Too much dirt or debris may keep the NRU from turning on or downloading
properly due to the debris obstructing proper seating.
o Remove power from the case
o Use compressed air, preferably with a line dryer, to blow out the cups.
o No CRC or other aerosol cleaning sprays should be used to clean the cups. A dry soft
brush can be used to loosen debris in the cup prior to blowing it out with compressed
air.
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Chapter 8 Manual Deployment/Extraction
Tools
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Deployment Tool
•
•
The manual deployment tool is an easy to use device for creating a custom fitted hole for the
NRU-1C node.
Operates as a slide hammer to drive a hole in the earth.
Figure 18
➢ The correct PPE should be in use when operating the manual deployment tool. Eye, ear and
hand protection are recommended at a minimum. Be aware of finger pinch points on the tool.
Back safety should be observed while operating the tool, straight back and feet planted in line
with shoulders.
•
•
•
•
Identify the location for the NRU to be planted, as close to the pre-plot receiver point as
possible.
Kick or scrape any loose dirt or gravel away from the point, this prevents any of that debris from
falling back into the hole after removing the deployment tool.
Place the point of the tool firmly on the ground.
Grip the slide hammer handles firmly with both hands. Slide the hammer up to a height that is
comfortable, then bring it down hard.
Figure 19
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•
•
•
NUSEIS
Care needs to be taken to keep the tool straight up and down to create a hole for the NRU that
is as near to vertical as possible.
Repeat the slide hammer blows until the tool reaches the desired depth.
For the best NRU depth, the tool should be down so the ground is level with the bottom of the
base collar, or just above it. In loose sandy soil, a deeper depth may be needed to compensate
for small cave-in material. Start of job experimentation may be needed to find an optimal depth
for the tool.
Figure 20
•
•
To completely bury the NRU, drive down until the top of the bottom collar is level with the
ground.
Once the desired depth is reached with the tool, it needs to be rotated slightly, back and forth 3
or 4 times to consolidate the hole sides. Do this by gripping the 2 handles on the main body of
the tool. Rotate while pressing down.
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Figure 21
•
•
•
To draw out the tool, holding the 2 handles of the main body of the tool, pull up slowly while
rotating the tool slightly. Care should be taken while drawing the tool up to not dislodge dirt
from the sides of the hole.
Place the NRU in the hole.
o If too much material has caved into the hole and prevents the NRU from reaching the
desired depth, redo the hole with the tool.
Step on the top of the NRU to firmly plant it in the hole. The NRU should be solid in the ground
and have no room for any movement. A NRU with a good plant cannot be removed by hand
easily. Never stomp on a NRU to plant it as that may result in injury to the foot or leg and
possibly damage the NRU.
Figure 22
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Extraction Tool
•
•
The Extraction Tool is used to safely and effectively remove a NRU from the ground,
Due to the firmness of the EarthGrip plant, most NRU cannot be removed by hand. The
Extraction Tool does this job.
Figure 23
•
The claw grips of the tool are custom shaped to fit onto the NRU between the top hex clamp
and the bottom clamp of the NRU
Figure 24
•
Once the extraction tool is lodged in the groove of the NRU, the NRU can now be levered out of
the ground.
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Figure 25
➢ Never hammer or kick the top of the NRU to try to dislodge it from the ground. This may
damage the NRU or cause injury to the individual trying to remove the NRU.
•
If a NRU has been planted below the level of the ground, a shovel will have to be used to at least
expose the NRU extraction groove for the tool to be used.
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Chapter 9 Automated Deployment
System
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Automated Deployment System V3
•
•
The Automated Deployment System V3 is meant to automate the deployment of NRUs,
effectively speeding up the process and reducing labor needs for laying out the nodes.
The ADS also adds consistency to planting the NRUs at “true vertical”, and the correct depth.
Figure 26
•
•
•
•
•
The system is powered by a Hatz diesel generator, running hydraulic power and electronic
actuator.
Can be towed by most ATVs rated to tow the ADS weight.
The system is controlled by a pad type touch screen controller, with a sunlight readable screen.
With the addition of high precision GPS and navigation display, a single operator can drive and
control the deployment of NRUs with great accuracy and speed.
The carousel design allows 160+ nodes to be loaded, ready for deployment.
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ADS V3 Specifications
Hydraulic Power
Hatz air-cooled diesel engine.
(13.7hp @ 3000rpm
Load-sensing, pressure
compensated axial piston
pump (18cc/rec, 2500psi
max), high pressure filter,
proportional control DCV,
control manifold, 11.5gal
reservoir (approx. 13.5 hours
runtime between fueling)
Dimensions
130” long x 80” wide x 62”
high
Weight
2300lbs
Power of Punch
62.5 ft-lbs per hammer blow
(2550 BPM) with integrated
rotation capability
Efficiency
System cycle <20 seconds
Battery Life
Engine driven alternator
producing 14vdc and
approximately 16amps @
3000rpm (engine speed)
Standalone
UI
Intuitive, easy to control
Ground Pressure
(@2750lbs GVW)
0” compaction 3.895psi
¼” compaction 3.283psi
½” compaction 3.012psi
¾” compaction 2.806psi
1” compaction 2.394psi
Also compatible with
typical high flotation tires
Node Angle
Build
NRU Capacity
Full range of freedom
from true vertical to 15°
off axis in 360° orientation
High strength, low-alloy
power coated tubular
frame
Spill containment for HPU,
fuel reservoir, hydraulic
reservoir
Ruggedized components
with touch-screen
operator control
Capacity for 160+ nodes
between reloading
No external power/interface
needed to function
Towable by any capable UTV
Geophysical Technology Inc
Field Equipment
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