Disassembling and replacing modules
User manual 57120_hdb_en_12 34 / 70
6.5 Replacing a module group
NOTE
For demounting and exchange of a bus node, a module or a group of modules,
due to mounting reasons you always have to remove the electronic module
right beside. After mounting it may be plugged again.
Disassembly 1 | Switch off the system's power supply!
2 | Remove the wiring from the module group, if any (see section 7 "Installa-
tion").
3 | Unlock the electronic module to its right at the bottom.
4 | To remove the electronic module, pull it out towards the front.
5 | Flap the locking levers of the module group to be exchanged upwards.
6 | To remove the module group, pull it out towards the front.
Fig. 6-6: Disassembling the module group
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