Honeywell IPC5000 - Fig. 2.6.10 Rs422;485;Modbus Communications Option Connections (5-Wire Shield)

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Fig. 2.7.10 RS422/485/Modbus Communications Option Connections (5-Wire shield)
5-Wire
Shielded
SG
SDB
SDA
RDB
RDA
MODBUS
Master
RX+
RX-
SG
To other communication IPC5000s
(Maximum 31)
* 120 Ohm Resistor on Last Leg
120 Ohm
Resistor
TX+
TX-
120 Ohm
Resistor
Do not run these lines in
the same conduit as AC
power
Use shielded
twisted pair cables