ABB RMC-100 - Remove the Housing Cover from the Base

198 | RMC-100| 2105552MNAE
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,
Remove power from
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,
Remove the RMC from the DIN
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.
Front View
Top View
Slot on DIN rail release clip