Maintenance and service
7.2 Removing and Inserting Connection Modules
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
159
Operating principle: Removing the connection module from the power module
Result:
●
The potential group of the power module fails; the downstream load voltage supplies
(2L+) are maintained.
●
ET 200pro remains in operation.
①
1L+ electronic/encoder supply
②
2L+ load voltage supply
③
The connection module is removed from the power module.
Removing and inserting the connection module from the interface or power module
1.
Remove the four or two screws from the front of the connection module using a crosstip
screwdriver.
2.
Remove the connection module from the interface or power module.
3.
Carry out further maintenance work.
4.
Reinstall the connection module on the interface or power module.
Removing and inserting the connection module from the electronic module
Note
The removal of the connection module includes the removal of the electronic module from
the bus module.