Siemens SIMATIC Rack PC 547B - Operator Controls

Description
3.6 Design
SIMATIC Rack PC 547B
18 Operating Instructions, 12/2007, A5E01127519-02
3.6.2 Operator Controls
Operator control on/off button Pos Description

(1) The on/off/reset buttons have three functions:
- Switch on the PC (press briefly 1x)
- Shut down the operating system and PC
(press briefly 1x)
- Switch off the PC without shutting down the operating system
(press and hold more than 4 seconds) = hardware reset.
CAUTION
Data may be lost when the PC performs a hardware reset.
WARNING
The on/off button signal does not cut off power to the PC!