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Mounting and connecting the device

3.3 Connecting the device

SIMATIC IPC677D

Operating Instructions, 09/2014, A5E32995420-AC

3.3.5

Connecting peripheral equipment

Note

Ensure suitability for industrial applications

Connect only I/O devices approved for industrial applications according to EN

IEC 61000-6-

Note

Peripheral devices capable of hot-plugging (USB)

Hot

-plug I/O modules (USB) may be connected while the PC is in operation.

NOTICE

Peripheral devices incapable of hot-plugging

Peripheral devices that are incapable of hot-plugging may only be connected after the

device has been disconnected from the power supply. Strictly adhere to the specifications

for peripheral equipment.

Note

Wait at least ten seconds between removing and reinserting USB devices.

When using standard USB devices, bear in mind that their EMC immunity level is frequently

designed

only for office environments. These USB devices are adequate for commissioning

and servicing purposes. Only industrial grade USB devices are permitted for use in industrial

environments. The USB devices are developed and marketed by the respective provider. The

product supplier in each case provides support for the USB devices. Moreover, the terms of

liability of the individual vendors or suppliers apply here.

Note

The connected or built

-in I/Os, such as USB drives, should not introduce a reverse voltage

into the device.

Reverse voltages exceeding 0.5 V to ground that are generated by connected or installed

components can prevent proper operation of the device or lead to its destruction.

Siemens SIMATIC IPC677D User Manual

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