Chapter 10 Maintenance
XBC E-Type Main Unit 10-26 Ver. 1
3. Processing warning of external device
a. When detecting any warning of external device in user program, it turns on a flag in the
warning position of system flag ‘F203 (_ANC_WB) and if turning on the detection
request flag, ‘F2003 (_CHK_ANC_WB)’ , it displays warning at the time when scan
program ends. If a warning occurs, the detection request flag, ‘F2003
(_CHK_ANC_WB)’ is automatically off (F203 is not deleted).
b. If a warning occurs, the LED switches on and off every other second.
c. If turning off a bit in question of F203 and turning on F2003 bit after processing warning,
warning is cancelled and the LED turns off.
d. Example
Warning detection request On
Warning detection request On
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