Installing and connecting the device   
3.3 Connecting the device 
  SIMATIC IPC277G 
36  Operating Instructions, 08/2021, A5E50059956-AA 
Procedure 
 
 
Switch off the 24 VDC power supply. 
Connect the wires of the power supply. 
 
Connect the connection terminal at the marked 
position. 
 
Secure the connection terminal with the marked 
screws.