Endress+Hauser MODBUS RS485 - Page 111

Proline Promag 53 MODBUS RS485 Troubleshooting
Endress+Hauser 111
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Fig. 62: Wall-mount housing: removing and installing printed circuit boards
1Housing cover
2 Electronics module
3 Ribbon cable (display module)
4 Screws of electronics compartment cover
5 Aperture for installing/removing boards
6 Power unit board
7 Amplifier board
7.1 Electrode signal cable (sensor)
7.2 Coil current cable (sensor)
7.3 S-DAT (sensor data memory)
7.4 T-DAT (transmitter data memory)
8 I/O board (flexible assignment)
8.1 F-CHIP (function chip for optional software)
8.2 Pluggable sub-modules (current, pulse/frequency and relay output)
3
4
1
2
3
6
7
8
5
5
7.1
7.3
7.4
7.2
8.1
5
INPUT/OUTPUT
4
INPUT/OUTPUT
3
1
2
3
4
W
E
N
O
1
2
3
4
W
E
N
O
1
2
3
4
W
E
N
O
1
2
3
4
W
E
N
O
8.2