Description
3.6 Design
SIMATIC Rack PC 840 V2
3-8
Operating Instructions, Edition 05/2006, A5E00248055-04
3.6.2
Operator Controls
Operator controls On/Off button and Reset button
Pos
Description
(1)
Reset button
The reset button can be actuated with a
pin or an opened up paper clip, for
example. The button signal triggers a
hardware reset. The PC performs a
restart (cold start).
(2)
On/off button
For switching the device on or off
Caution
Data may be lost when the PC performs a hardware reset.
Warning
The on/off button signal does not switch off power to the PC!