Endress+Hauser Proline Prosonic Flow P 500 - Page 33

Proline Prosonic Flow P 500
Endress+Hauser 33
HART input
2
4...20 mA
4
1
2
3
3
6
5
A0028763
 20 Connection example for HART input with a common negative (passive)
1 Automation system with HART output (e.g. PLC)
2 Active barrier for power supply (e.g. RN221N)
3 Ground cable shield at one end. The cable shield must be grounded at both ends to comply with EMC
requirements; observe cable specifications
4 Analog display unit: observe maximum load →  21
5 temperature and density measuring device: observe requirements
6 Transmitter
Modbus RS485
2
1
A
B
3
4
4
A
B
A
B
A0028765
 21 Connection example for Modbus RS485, non-hazardous area and Zone 2; Class I, Division 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
3 Distribution box
4 Transmitter