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7 Annex
Opening the housing
1. If necessary for space reasons, remove the central processing unit from the DIN rail. To do this,
please follow the instructions on dismounting previously provided in this document.
2. Loosen both locking hooks (A) one after the other using a screwdriver. To do this, insert the screw-
driver into the small slot (B) below the locking hook and turn carefully (maximum 90°). When doing
so, pull the housing parts slightly apart so that the locking connections can be released.
3. Pull the front housing section out of the rear housing section.
104
A
B
A
A
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