Siemens Simatic Industrial PC IPC427C - Manual (Page 33)

SIMATIC IPC427C
Operating Instructions, 04/2009, A5E02414743-01
33
Connecting
6
6.1 Connecting peripheral equipment
NOTICE
Connect only peripheral devices approved for industrial applications conforming to
EN 61000-6-2 / IEC 61000-6-2.
Note
Hot-plug peripherals (USB) may be connected while the PC is in operation.
CAUTION
Peripheral devices that are incapable of hot-plugging may only be connected after the
device has been disconnected from the power supply.
CAUTION
Strictly adhere to the specifications for peripheral equipment.
Note
A DVI or CRT monitor should be connected and switched on when the device boots in order
for it to be correctly detected by the BIOS and the operating system. The screen may
otherwise remain dark.
NOTICE
The connected or built-in peripherals, such as USB drives, should not introduce a counter
emf into the device.
A counter emf greater than 0.5 V to ground on the + 3.3 VDC / + 5 VDC / + 12 VDC power
rail due to a connected or integrated component can prevent normal operation or even
destroy components of the device.