4. Mechanical Set Up

4.1. Total Expansion
The number of the module assembly that can be connected is 12. So the maximum length is 159mm Exception. ST-2748 is excepted to calculate maximum length because that is double width module.

4.2. Plugging and Removal of the Components.

As above figure in order to safeguard the FnIO module from jamming, it should be fixed onto the DIN rail with locking level. To do so, fold on the upper of the locking lever.
To pull out the FnIO module, unfold the locking lever as below figure.