Endress+Hauser Proline Promass E 100 - Ensuring Potential Equalization; Special Connection Instructions; Connection Examples

Electrical connection Proline Promass E 100 Modbus RS485
32 Endress+Hauser
7.3.3 Ensuring potential equalization
Requirements
No special measures for potential equalization are required.
For devices intended for use in hazardous locations, please observe the guidelines in
the Ex documentation (XA).
7.4 Special connection instructions
7.4.1 Connection examples
Modbus RS485
Modbus RS485, non-hazardous area and Zone 2/Div. 2
2
1
A
B
3
4
4
A
B
A
B
A0028765
 15 Connection example for Modbus RS485, non-hazardous area and Zone 2/Div. 2
1 Control system (e.g. PLC)
2 Cable shield provided at one end. The cable shield must be grounded at both ends to comply with EMC
requirements; observe cable specifications →  24
3 Distribution box
4 Transmitter