Siemens SIMADYN D FM 458 User Manual page 51

Mounting
The expansion modules have connecting clips at the top and bottom.
Removing the
Remove these upwards or downwards.
connecting clips
Fig. 3-3
Removing the
Remove the cover before plugging the modules together. Proceed as
cover
follows:
1. Press the latch downwards (1).
2. Swivel the cover forwards (2).
Fig. 3-4
3-4
EXM 438 with connecting clips (schematic diagram)
Removing the cover
Application Module FM 458 - User Manual
6DD1904-0AE0 Edition 12.2001