
Using the Modbus Ports
94
870 USE 101 00 V.2.2
Two-Wire Cabling Schemes for Modbus RS485 Networks,
Continued
Single Master/
Slave Cabling
The following diagram 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 170 XTS 021 00
2 Modbus RS485 connector “T” (DB9 base) 170 XTS 040 00
3 Modbus Plus / Modbus RS485 Short Interconnect Cable 170 MCI 020 10
4 Modbus RS485 connector “T” (RJ45 base) 170 XTS 041 00
5 Terminating shunt plug 170 XTS 042 00
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