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Battery and Battery Pack
1.1 Battery on the CPU Module
How to Proceed
Perform the following steps in order to replace the battery:
Prepare the work area to meet ESD requirements and provide the necessary materials.
Make sure that the device is de-energized (switched off and isolated from the power supply
or the automatic circuit-breaker for the power supply switched off).
Wait for approx. 10 seconds.
Caution
Dangerous contact voltages may occur on the device even after it has been switched off
(process variables). In order to prevent hazards, enable the device and prevent it from being
switched on.
Remove the frame covering the device front. To do so, first fold down the upper and lower
cover strip at the frame. Next release the 4 captive screws in the corners of the frame (see
Figure 1-1).
Figure 1-1 Removing the cover frame
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Digital Fault Recorder, SIMEAS R/SIMEAS R-PMU, Maintenance Manual
E50417-H1074-C364-A2, Release 11.2009
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