Basic safety measures, 3 basic safety measures – BECKHOFF CP22xx User Manual
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Foreword
1.3 Basic safety measures
Before the Panel PC is switched off, software that is running must be properly closed.
Otherwise it is possible that data on the storage medium is lost. Please read the section
Switch off all parts of the equipment, then uncouple the Panel PC
Warning
Before opening the housing, and whenever the Panel PC is not being used for control
purposes (such as during functional checks after a repair), all parts of the equipment
must first be switched off, after which the Panel PC is to be disconnected from the
equipment.
Disconnect the device by unplugging the connectors on the rear side of the Panel PC.
Items of equipment that have been switched off must be secured against being switched on again.
Do not exchange any parts when under power
Warning
When components are being fitted or removed, the supply voltage must be switched
off.
Fitting work on the Panel PC can result in damage:
• if metal objects such as screws or tools fall onto operating circuit boards
• if connecting cables internal to the Panel PC are removed or inserted during
operation.
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CP22xx