OTIS GEN II OI-6000, Operation Manual

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INSTALLATION AND STARTUP
12 OI-6000-X-X-X-X-O OPS_GUIDE_REV 3.1
2.3.4 CONNECTING RS-485
The OI-6000 supports Modbus RTU over a RS-485 link. To integrate your device with RS-485 Modbus
data communications, you will need to connect the Modbus cable from your Otis Monitor RS-485 input
terminal block to the OI-6000 RS-485 output terminal block located on the control board of the unit. Refer
to the following instructions for how to wire your device:
On the GEN II Model OI-6000 Detector:
1.
Feed the RS-485 cable through the power hub and into the enclosure.
2. Locate the RS-485 output terminal block on the control board and complete the following:
a. Connect the RS-485 B (BROWN) wire to the “B” terminal.
b. Connect the ground (WHITE) wire to the “GND” terminal.
c. Connect the RS-485 A (YELLOW) wire to the “A” terminal.
On the Otis Monitor:
1. Feed the RS-485 cable through the power hub and into the enclosure.
2. Locate the RS-485 input terminal block on the control board and complete the following:
a. Connect the RS-485 B (BROWN) wire to the “B” terminal.
b. Connect the ground (WHITE) wire to the “GND” terminal.
c. Connect the RS-485 A (YELLOW) wire to the “A” terminal.