Siemens Simatic Box PC 840 V2 Getting Started page 26

Connecting
5.2 Connecting the 120 V / 230 V Ac power supply
Secure the power plug
The supplied power plug locking mechanism prevents the power plug from being pulled out
accidentally.
Steps for securing the AC power cable
1. Remove the power supply retaining
2. Screw the power plug locking
Warning
If the power plug is secured with a clamp, the power outlet must be freely accessible to allow
the device to be easily removed from the mains.
5-4
screw
mechanism into position
SIMATIC Box PC 840 V2
Getting Started, Edition 05/2006, A5E00244266-02