Proline Promag L 400 Electrical connection
Endress+Hauser 35
1.
2.
4.
3.
6
5 7
8 4 37 36 42 41
S1
E1
E2
S2
GND
E
S
TX 20
4 x
A0017445
10 Transmitter: main electronics module with terminals
A0021527
11 Sensor: connection module
7.2.3 Ensuring potential equalization
!
CAUTION
Electrode damage can result in the complete failure of the device!
‣
Make sure that the fluid and sensor have the same electrical potential.
‣
Pay attention to internal grounding concepts in the company.
‣
Pay attention to the pipe material or grounding.