BECKHOFF CP69xx - Manual (Page 6)

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 storage medium is lost. Please
read the section
Functional description.
Switch off all parts of the equipment, then uncouple the fieldbus
Attention
Before opening the housing of the Control Panel, and whenever the
Control Panel 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 Control Panel can be uncoupled from the
plant.
Pulling out the fieldbus connection plug uncouples the Control Panel
(optional).
Items of equipment that have been switched off must be secured against
being switched on again.
The Control Panel’s power supply unit must be supplied with 24V
DC
.
Do not open the power supply unit while voltage is applied!
CAUTION
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 Control Panel can result in damage:
• if metal objects such as screws or tools fall onto operating circuit
boards.
• if connecting cables internal to the Control Panel are removed or
inserted during operation.
High Voltage!
DANGER
Displays used for the Control Panel’s 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.
CP69xx 5