Siemens PANEL PC 877 User Manual

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Operation 
 
10.2 General control elements 
 
SIMATIC Panel PC 877 
10-2
 
Operating instructions, Release 07/2006, A5E00877780-01 
10.2 
10.2 
General control elements 
On / Off switch 
 
On / Off switch 
Description 
 
 
 
The On/Off switch does not disconnect the device 
from supply voltage. When the switch is in 0 
position (Off), the device is still connected to the 
auxiliary voltage. 
 
 
 
Warning 
The On/Off switch does not disconnect the device from supply voltage. 
Reset button 
 
Reset button 
Description 
 
 
 
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). 
 
 
 
Caution 
Data may be lost when the PC performs a hardware reset!