SIMATIC Rack PC 547B
Operating Instructions, 12/2007, A5E01127519-02
29
Connecting
6
6.1
Connecting peripherals
Note before connecting
NOTICE
Connect only peripherals approved for industrial applications according to EN 61000-6-2.
Note
Hot-plug peripherals (USB) may be connected while the PC is in operation.
CAUTION
Peripherals 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.
NOTICE
The connected or added peripherals must not introduce any counter emf into the device.
A counter emf greater than 0.5 V to ground on the + 3.3V DC / + 5V DC / + 12V DC power
rail due to a connected or integrated component can prevent normal operation or even
destroy the computer.
When measuring the counter emf, remember the following:
- The computer must be turned off and the power supply connector should be plugged in.
- During the measurement, all cables from the plant to the computer should be connected.
- All other components in the plant must be active
Summary of Contents for SIMATIC Rack PC 547B
Page 6: ...Table of contents SIMATIC Rack PC 547B 6 Operating Instructions 12 2007 A5E01127519 02 ...
Page 22: ...Description 3 6 Design SIMATIC Rack PC 547B 22 Operating Instructions 12 2007 A5E01127519 02 ...
Page 136: ...Index SIMATIC Rack PC 547B 136 Operating Instructions 12 2007 A5E01127519 02 ...
