Remove The Housing Cover From The Base - ABB RMC-100 User Manual

Figure 8-38: DIN rail release clip
8.8.4

Remove the housing cover from the base

Internal parts and lithium battery replacement requires removal of the housing cover.
IMPORTANT NOTE: It is possible to remove the housing cover while the RMC is on the DIN rail.
However, ABB recommends that you remove the RMC from the DIN rail for optimal positioning of
the RMC and better access to the board and its components.
To remove the housing cover from the base:
1. Remove terminal connectors from power ports according to section 8.7.1,
the controller.
2. Remove terminal connectors from I/O and COMM ports.
3. Remove serial communication modules.
4. Remove cables from communication ports (USB, Ethernet, or MMI).
5. Remove TFIO modules from the TFIO A and B interfaces (if used).
6. Remove the RMC from the DIN rail according to section 8.8.3,
rail.
7. Position the RMC on a flat surface.
8. Insert a slotted screwdriver into the corner slot on the RMC. A slot is located on each corner of
the RMC.
1 9 8 | R MC-1 00 | 2 10 5 55 2MN A E
Front View
Slot on DIN rail release clip
Top View
Remove power from
Remove the RMC from the DIN