Data Lists 
  5.3 Signals 
Various NC/PLC Interface Signals and Functions (A2) 
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0 
5-9 
5.3.8  Signals from operator panel front 
 
DB number  Byte.Bit  Description 
19  20.1  Screen is dark 
19  20.7  Switch over MCS/WCS 
19  24.0  Error (Acknowledgment byte for current RS232 status) 
19  24.1  O.K. (Acknowledgment byte for current RS232 status) 
19  24.2  COM2 active (Acknowledgment byte for current RS232 status) 
19  24.3  COM1 active (Acknowledgment byte for current RS232 status) 
19  24.4  RS232 stop (Acknowledgment byte for current RS232 status) 
19  24.5  RS232 External (Acknowledgment byte for current RS232C status) 
19  24.6  RS232 OFF (Acknowledgment byte for current RS232 status) 
19  24.7  RS232 ON (Acknowledgment byte for current RS232 status) 
19  26.0  Error (Part program handling status) 
19  26.1  O.K. (Part program handling status) 
19  26.3  Active (Part program handling status) 
19  26.5  Unload (Part program handling status) 
19  26.6  Load (Part program handling status) 
19  26.7  Select (Part program handling status) 
19  42.0  FC9: Measure in JOG mode 
19  45.0  FC9 Out: Active 
19  45.1  FC9 Out: Done 
19  45.2  FC9 Out: Error 
19  45.3  FC9 Out: StartErr