■ Option slot 1 (fieldbus adapter modules)
1. Put the module carefully into its position on the control unit.
2. Tighten the mounting screw (CHASSIS) to 0.8 N·m. The screw tightens the connections
and grounds the module. It is necessary for fulfilling the EMC requirements and for
correct operation of the module.
■ Wiring the optional modules
See the appropriate optional module manual or for I/O options chapter Optional I/O extension
modules for specific installation and wiring instructions.
Electrical installation 113