Siemens ET 200pro Operating Instructions Manual page 60

Mounting
3.6 Installing the pneumatic interface module
Mounting the pneumatic interface module on the rack
1. Remove the connection plate from the pneumatic interface module.
2. Place the pneumatic interface module on the rack, then push it on until it engages.
3. Slide the pneumatic interface module to the right until it snaps into place on the previous
module.
Figure 3-9
Note
The pneumatic interface module may not become skewed when you move it.
An increased force has to be exercised to get the module to snap into the previous
module and achieve a tight seal.
60
Mounting the pneumatic interface module on the rack
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08