8 Maintenance
8.2 Exchanging components
Manual
SIPART DR21
C73000-B7476-C143-08
225
D Replacing the options modules
- Pull off the plug terminals.
- Release the lock and remove the options module (see (6) figure 8-2).
- Push in the new module to the stop and lock it (the modules are slot coded). Please
make sure the right modules are plugged into the slots provided for the different options
(see chapter 2.4, page 24).
- Plug in the terminal (pay attention to slot labeling!),
(1) Front module
(2) Plastic housing
(3) Module locked
(4) Dummy cover
(5) Terminals
(6) Module unlocked
(7) Fastening screw for the
backplane-module
(8) Terminal 4-pole
(9) Terminal 8-pole
(10) Terminal 3-pole
(6) (5) (3)
(4)
(7)
(8)
(9)
(10)
(1)
(2)
Figure 8-2 Controller rear view
D Replacement of the backplane module (power supply unit + basic circuit board)
- Pull out the mains plug!
- Pull off the plug terminals.
- Disconnect the PE conductor
- Loosen the fastening screw of the backplane module (see (2) fig. 8-2) and pull out the
module.
- Install in reverse order.
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