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FEM630 | ELECTROMAGNETIC FLOWMETER | OI/FEM630-EN REV. A
...11 Repair
Replacing the frontend board
Remote mount design
Figure 73 Replacing the frontend board (flowmeter sensor)
Frontend board fixing screw
Terminals
Frontend board
Connections for flowmeter sensor
SensorMemory
1
2
3
4
5
If the O-ring gasket is seated incorrectly or damaged,
this may have an adverse effect on the housing
protection class.
Follow the instructions in Opening and closing the
housing on page 22 to open and close the housing
safely.
NOTICE
The frontend board can be replaced in the event of a
malfunction.
Replace the frontend board as follows:
1 Switch off the power supply.
2 Unscrew / remove the cover.
3 Loosen the fixing screws (3×) at the frontend board.
4 Remove the faulty frontend board.
5 Pull the connector out of the sensor cable harness.
Ensure that the cable harness is not damaged.
6 Pull out the SensorMemory.
Note
The SensorMemory is assigned to the sensor. Ensure that
the SensorMemory remains with the sensor and cannot be
lost!
7 Insert the SensorMemory into the new frontend board.
8 Connect the plug of the sensor cable harness.
9 Insert the new frontend board and secure it with the
fixing screws (3×).
10 After powering up the power supply, the transmitter
automatically replicates the system data from the
SensorMemory.
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