Endress+Hauser HART Proline t-mass I 300 - Page 41

Proline t-mass I 300 HART Electrical connection
Endress+Hauser 41
HART input
2
4...20 mA
4
1
2
3
3
6
5
A0028763
 22 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 Cable shield provided 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 →  169
5 Pressure measuring device (e.g. Cerabar M, Cerabar S): see requirements
6 Transmitter
Current output 4-20 mA
4...20 mA
2
1
3
A0028758
 23 Connection example for 4-20 mA current output (active)
1 Automation system with current input (e.g. PLC)
2 Analog display unit: observe maximum load →  169
3 Transmitter
2
4...20 mA
3
1
4
A0028759
 24 Connection example for 4-20 mA current output (passive)
1 Automation system with current input (e.g. PLC)
2 Active barrier for power supply (e.g. RN221N)
3 Analog display unit: observe maximum load →  169
4 Transmitter