Beckhoff C3620 User Manual download pdf (Page 6)

General instructions

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 Switching the Industrial PC on and off.

Warning

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

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.

Danger

Displays used for the PCs LC-display are operated with a voltage of up to

1000 V, depending on type. For that reason:

The supply voltage must be disconnected before the housing of the

Control Panel is opened.

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

100 V

- 240 V

or 24V

(optional).

Danger

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

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

housing is opened.

Do not exchange any parts when under power!

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.

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Beckhoff C3620 User Manual Page 6