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Option slot 2 (I/O extension modules)
1.
Put the module carefully into its position on the control unit.
2. Tighten the mounting screw.
3. Tighten the grounding screw (CHASSIS) to 0.8 N·m (7 lbf·in). The screw grounds
the module. This is necessary for fulfilling the EMC requirements and for correct
operation of the module.
Electrical installation – Global (IEC) 165
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2