Siemens ET 200pro - Page 161

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