Siemens ET 200pro Operating Instructions Manual page 165

Replacing a bus module
1. Starting on the right side of the assembly, remove all connection modules with the
2. Remove the terminating module.
3. Open the interlock on the top and on the bottom of the bus module (see the figure below).
4. Repeat step 3 until you have removed the defective bus module.
5. Mount the new bus module and all other bus modules of your original ET 200pro
6. Mount the terminating module.
7. Mount all electronic modules including their connection modules/pneumatic interface
8. Switch on the voltage supplies 1L+ and 2L+ at the ET 200pro, or mount the connection
①
Figure 7-2
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
electronic modules and FESTO valve terminals, including those of the slot which holds
the defective bus module.
Strip the bus module from the previous module, working towards the right side, and then
swivel it off the rack.
configuration.
modules and FESTO valve terminals on the bus modules.
module on the interface module.
Bus modules
Replacing a bus module
Maintenance and service
7.5 Replacing a bus module
165