Siemens ET 200pro Operating Instructions Manual page 161

Replacing a (defective) electronic module
1. Remove the two screws from the front, right side top and bottom, of the connection
2. Remove the connection module alongside with the electronic module from the bus
3. While pressing the interlock button on the top of the electronic module, pull the
4. Remove one half of the coding key from the new electronic module (top left).
5. Insert the connection module into the electronic module (same type).
6. Insert the connection module with the electronic module into the bus module and screw it
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
module using a crosstip screwdriver.
module.
connection module upwards and out of the electronic module.
down.
Figure 7-1 Removing the coding key
Maintenance and service
7.3 Removing and Inserting Electronic Modules
161