SIMATIC Rack PC 840 V2
Getting Started, Edition 04/2004, A5E00248069-02
5-1
Connecting
5
5.1 Connecting I/O modules
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 PC is disconnected
from the power supply.
Caution
Strictly adhere to the specifications for I/O modules.