Siemens PANEL PC 877 Manuale Utente

Operation and configuration 

 

9.1 Normal operation 

 

SIMATIC Panel PC 877 

9-2

 

Operating instructions, Release 07/2006, A5E00877780-01 

Procedure 

 

 

Warning 
Danger of incorrect operations! 
The following applies to external input devices or combinations of external input devices and 

control units with key panels: Ambiguous key codes can cause serious malfunctions of the 

application program.  
Always activate the "Security features" of "KeyTools." Please note the applicable safety 

information in the "Operation and configuration" chapter in the section, "Additional drivers 

and applications." 

 

 

 

Caution 
The device must not be switched on if there is condensation. Switch it on only after it has 

been stored in a (heated) room for at least 12 hours for temperature adjustment.  

 

9. Connect the AC device to a sockeet with protective conductor with a cable suitable for the 

application. You connect the DC device to your 24 V DC power supply using the supplied 

special connector. 

10. Switch on the power switch of the device. 

The "POWER" LED will light up. The device is now in operation and booting. 

 

 

 

Caution 
Risk of data loss! 
Do not switch off the power supply when the device is in operation. Disconnect the power 

only after the device has been correctly shut down. 

 

After switching on the power supply, the device performs a self-test. During the self-test, 

the message "Press <F2> to enter SETUP" appears briefly. 
When the self-test is finished, the operating system will be loaded and the desktop will be 

displayed. 

The booting process has been completed successfully.