Commissioning the device   
4.4 Switching off the device 
  SIMATIC IPC547D 
52  Operating Instructions, 06/2011, A5E03473780-01 
4.4  Switching off the device 
●  If you work with Windows, always shut down the PC by clicking "Start > Shut down". 
●  If you do not work with Windows, press the on/off button for 4 seconds. 
The green POWER LED goes out. 
If the device will not be used for a long period time, turn the on/off switch on the power 
supply unit to "0". 
Disconnect the mains connector to isolate the device from mains.