Installing the bar clips

Usually, the connection between the modules is strong enough. However, the basic CPU module and the fieldbus modules may be subjected to shocks, vibrations or other impacts. The modules can be securely connected to one another with the aid of bar clips.

Install the bar clips as follows:

1. Attach the bar clips to the top and bottom of the devices.
Installing the bar clips 1:

2. Push the bar clips between the cooling fins of your devices, as shown in the image below.
Installing the bar clips 2:

The bar clips have been installed successfully, if they don't protrude and are level with the cooling fins of your modules.
Once all fieldbus modules are locked, the whole assembly can be installed on the mounting rail.