Siemens PANEL PC 877 User Manual

Page of 288
 
SIMATIC Panel PC 877 
Operating instructions, Release 07/2006, A5E00877780-01 
10-1
 
Operation 
10
10.1 
10.1 
Status displays 
The two LEDs on the upper left hand side of the front panel display the operating status:  
• 
LED "POWER" green: Active voltage 
• 
LED "TEMP" orange: The temperature threshold has been exceeded; the maximum value 
is preset and cannot be changed.  
Refer to the "Functions" chapter for more information.