Electrical Connections Modbus Module - ABB EasyLine Series Instructions For Installation Start-Up And Operation

Electrical Connections Modbus Module

RS232 Interface
Pin Signal
2 RxD
3 TxD
5 GND
Design: 9-pole male Sub-D plug
RS485 Interface
Pin Signal
2 RTxD–
3 RTxD+
5 GND
Design: 9-pole female Sub-D plug
NOTE
For detailed Information on "Modbus", refer to the Technical Information
"EL3000, EL3060, EL3010-C – Modbus".
Installing the Gas Analyzer 87