Endress+Hauser Proline Promag H 300 - 7.2 Connecting the measuring device

Proline Promag H 300
32 Endress+Hauser
Relay output
1
2
3
A0028760
 14 Connection example for relay output (passive)
1 Automation system with relay input (e.g. PLC)
2 Power supply
3 Transmitter: Observe input values →  14
Current input
21
3
A0028915
 15 Connection example for 4 to 20 mA current input
1 Power supply
2 External measuring device (for reading in pressure or temperature, for instance)
3 Transmitter: Observe input values
Status input
1
2
3
A0028764
 16 Connection example for status input
1 Automation system with status output (e.g. PLC)
2 Power supply
3 Transmitter: Observe input values
Potential equalization Requirements
Please consider the following to ensure correct measurement:
• Same electrical potential for the fluid and sensor
• Company-internal grounding concepts
• Pipe material and grounding