Special Connection Instructions - Endress+Hauser Proline 100 Modbus RS485 Brief Operating Instructions

Electrical connection
5.3

Special connection instructions

5.3.1 Connection examples
Modbus RS485
Modbus RS485, non-hazardous area and Zone 2/Div. 2
1
A
B
 7 Connection example for Modbus RS485, non-hazardous area and Zone 2/Div. 2
1 Control system (e.g. PLC)
2 Cable shield: the cable shield must be grounded at both ends to comply with EMC requirements;
observe cable specifications →  11
3 Distribution box
4 Transmitter
20
2
Proline 100 Modbus RS485
3
A
4
B
A
4
B
A0028765
Endress+Hauser