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Using the Modbus Ports
870 USE 101 00 V.3 109
Section 4.2
Modbus Port 2
Overview
Purpose Four Momentum components offer this port:
● 171 CCS 780 00 Processor Adapter
● 171 CCC 780 10 Processor Adapter
● 171 CCC 980 20 Processor Adapter
● 172 JNN 210 32 Serial Option Adapter
This section describes the port and provides guidelines for Modbus RS485
networks.
In This Section This section contains the following topics:
Topics Page
Modbus Port 2 110
Four-Wire Cabling Schemes for Modbus RS485 Networks 113
Two-Wire Cabling Schemes for Modbus RS485 Networks 116
Cable for Modbus RS485 Networks 119
Connectors for Modbus RS485 Networks 122
Terminating Devices for Modbus RS485 Networks 124
Pinouts for Modbus RS485 Networks 125