Beckhoff C6640 User Manual download pdf (Page 7)

Foreword

Basic safety measures

Only switch the PC off after

closing the software

Before the Industrial PC is switched off, software that is running must

be properly closed.

Otherwise it is possible that data on the hard disk is lost. Please read the

section on Switching the Industrial PC on and off.

Switch off all parts of the equipment, then uncouple the fieldbus

Attention

Before opening the housing of the PC, and whenever the PC is being

used for purposes other than plant control, such as during functional tests

following repair, all parts of the equipment must first be switched off, after

which the Industrial PC can be uncoupled from the plant.

Pulling out the fieldbus connection plug uncouples the PC (optional).

Items of equipment that have been switched off must be secured against

being switched on again.

The Industrial PC’s power supply unit must be supplied with

100 V

- 240 V

or 24 V

(optional).

Do not open the power supply unit while voltage is applied!

DANGER

The supply voltage must be switched off before the power supply unit

housing is opened.

Do not exchange any parts when under power

Attention

When components are being fitted or removed, the supply voltage must

be switched off.

Fitting work on the Industrial PC can result in damage:

• if metal objects such as screws or tools fall onto operating circuit

boards.

• if connecting cables internal to the PC are removed or inserted

during operation.

• if plug-in cards are removed or inserted when the PC is switched

on.

C6640, C6650 5

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Beckhoff C6640 User Manual Page 7