Mitsubishi Electric MELSEC-Q Structured Programming Manual page 202

FXCPU Structured Programming Manual
[Device & Common]
Number and name
PLC status
[D]8007
Stores the number of times M8007 is set to ON.
Instantaneous power
Cleared when the power is turned OFF.
interruption
D 8008 Initial value
Instantaneous power • FX
interruption detection • FX
time
[D]8009
24V DC failure Minimum input device number of function unit or extension
Unit number where power supply unit where 24V DC has failed
24V DC has failed
Clock
Accumulated instruction execution time from the step 0
[D]8010
(Unit: 0.1 ms)
Current scan time
Minimum value of scan time
[D]8011
(Unit: 0.1 ms)
Minimum scan time
Maximum value of scan time
[D]8012
(Unit: 0.1 ms)
Maximum scan time
0 to 59 seconds
D 8013
(For real-time clock)
Second data
0 to 59 minutes
D 8014
(For real-time clock)
Minute data
0 to 23 hours
D 8015
(For real-time clock)
Hour data
1st to 31st day
D 8016
(For real-time clock)
Day data
January to December
D 8017
(For real-time clock)
Month data
Last 2 digits of year (0 to 99)
D 8018
(For real-time clock)
Year data
0 (Sunday) to 6 (Saturday)
D 8019
(For real-time clock)
Day-of-the-week data
*1. FX PLCs require a memory board equipped with the real-time clock function.
2NC
200
Content of register
PLCs (AC power supply type): 10 ms
2N
/FX PLCs (DC power supply type): 5ms
2N 2NC
→ Refer to Subsection 4.2.4.
→ Refer to Subsection 4.2.5.
→ Refer to Subsection 4.2.5.
→ Refer to Subsection 4.2.5.
→ Refer to Subsection 4.2.7.
→ Refer to Subsection 4.2.7.
→ Refer to Subsection 4.2.7.
→ Refer to Subsection 4.2.7.
→ Refer to Subsection 4.2.7.
→ Refer to Subsection 4.2.7.
→ Refer to Subsection 4.2.7.
4 Operations of Special Devices (M8000 and later, D8000 and later)
4.1 Special Device List (M8000 and later, D8000 and later)
FX FX
1S 1N
- -
- -
- -
The displayed value includes the waiting
time for the constant scan operation trig-
gered by M8039.
Applicable model
Corresponding
FX FX FX
2N 1NC 2NC
special device
-
-
-
*1
*1
*1
*1
*1
*1
*1
M8007
M8008
M8009
-
-
-
-
-
-
-
-
-
-