SIMATIC Box PC 627 
Operating Instructions, Release 05/2006, A5E00362052-03 
6-1 
Connecting 
6
6.1  6.1 Connecting peripherals 
Note before connecting 
 
 
 
Notice 
Connect only I/O modules approved for industrial applications to EN 61000-6-2:2001. 
 
 
 
Note 
Hot-plug I/O modules (USB) may be connected while the PC is in operation. 
 
 
 
Caution 
I/O devices not capable of hot-plugging may only be connected after the device has been 
disconnected from the power supply. 
 
 
 
Caution 
Strictly adhere to the specifications for I/O modules.