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M00021 Clock/calendar illegal
value warning Read Only ON when clock/calendar data is illegal
M00022
Retentive data invalid warning
Read Only
ON when retentive data in RAM are invalid
M00027
Watchdog timer error
Read Only
ON at error state
M00029
I/O mismatch error
Read Only
ON at error state
M00031
I/O communication error
Read Only
ON at error state
M00033
Ladder Scan time error
Read Only
ON when the scan time exceeds 200ms (default)
M00480
System timer coil for 0.1
sec interval
Read Only
Toggle at 50 % duty cycle
M00481
System timer coil for 0.2
sec interval
Read Only
Toggle at 50 % duty cycle
M00482
System timer coil for 0.4
sec interval
Read Only
Toggle at 50 % duty cycle
M00483
System timer coil for 0.8
sec interval
Read Only
Toggle at 50 % duty cycle
M00484
System timer coil for 1
sec interval
Read Only
Toggle at 50 % duty cycle
M00485
System timer coil for 2
sec interval
Read Only
Toggle at 50 % duty cycle
M00486
System timer coil for 4
sec interval
Read Only
Toggle at 50 % duty cycle
M00487
System timer coil for 8
sec interval
Read Only
Toggle at 50 % duty cycle
M00496
Timer interrupt ladder
execution status
Read Only
ON when Timer program is executing
M00497
IO1 interrupt execution status
Read Only
ON when IO1 program is executing
M00498
IO2 interrupt execution status
Read Only
ON when IO2 program is executing
M00512
ALWAYS ON
Read Only
This coil is always ON
M00513
ALWAYS OFF
Read Only
This coil is always OFF