Using the Modbus Ports
128 870 USE 101 10 V.2
Two-Wire Cabling Schemes for Modbus RS485 Networks, Continued
Single Master/
Slave Cabling The following illustration shows components used for single master/slave
communications in a two-wire cabling scheme. Each Momentum module must
include a Processor Adapter or Option Adapter with a Modbus RS485 port.
Label Description Part Number
1 Terminating resistor plug.
Color code - red 170 XTS 021 00
2Modbus RS485 connector “T” (DB9 base) 170 XTS 040 00
3 Modbus Plus / Modbus RS485 Short Interconnect Cable.
Color code - black 170 MCI 020 10
4 Modbus RS485 connector “T” (RJ45 base) 170 XTS 041 00
5 Terminating shunt plug.
Color code - blue 170 XTS 042 00