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NOTE: The PB1 can also be used for a Low Voltage Power Supply. It must be mounted
separately.
5. Once you have combined all the I/O modules together for the group, fasten tightly.
This final tightening will lock the whole group together as a unit.
6. Attach the right Mounting Bracket to the right side of the group using small phillips head screws
provided.
7. Then, mount the group of modules on a secure, flat surface. This procedure will ensure that all
modules stay securely connected.
9.4: Factory Settings and Reset Button
Factory Settings:
All Nexus I/O Modules are shipped with a preset address and a baud rate of 57600. See below for
addresses.
Reset Button:
If there is a communication problem or if you are unsure of a module's address and baud rate, press
and hold the RESET button for 3 seconds; the module will reset to a default address of 247 at 57600
baud rate for 30-seconds. This will enable you to interrogate the I/O using the Communicator EXT
software; see the Modbus Communicating I/O Modules User Manual.
Model #
1mAON4
1mAON8
20mAON4
20mAON8
8AI1
8AI2
8AI3
8AI4
4RO1
4PO1
8DI1
Electro Industries/GaugeTech
Module
0±1mA, 4-Channel Analog Output
0±1mA, 8-Channel Analog Output
4–20mA, 4-Channel Analog Output
4–20mA, 8-Channel Analog Output
0±1mA, 8-Channel Analog Input
0±20mA, 8-Channel Analog Input
0±5V dc , 8-Channel Analog Input
0±10V dc , 8-Channel Analog Input
4 Latching Relay Outputs
4 KYZ Pulse Outputs
8 Digital Status Inputs (Wet/Dry)
Doc # E107706 V1.25
Factory-Set Address
128
128
132
132
136
140
144
148
156
160
164
9-6
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