Power Interruption Detection Time [D8008, M8008 And M8007] - Mitsubishi Electric MELSEC-Q Structured Programming Manual

FXCPU Structured Programming Manual
[Device & Common]
4.2.4

Power interruption detection time [D8008, M8008 and M8007]

1. FX PLCs (AC power supply type)
3U
The table below shows the allowable instantaneous power interruption time in FX
type).
Supply voltage
100V AC system 10ms
200V AC system
2. FX /FX PLCs (DC power supply type)
3U 3UC
The allowable instantaneous power interruption time in FX
Do not overwrite the power interruption detection time stored in D8008.
3. FX PLCs (AC power supply type)
2N
The table below shows the allowable instantaneous power interruption time in FX
type).
Supply voltage
200V AC system
4. FX PLCs (24V DC power supply type)
2N
The allowable instantaneous power interruption time in FX
ms" when "K-1" is written to D8008.
5. FX PLCs
2NC
The allowable instantaneous power interruption time in FX
The PLC system writes "K-1" to D8008. Do not overwrite D8008 in a sequence program.
6. FX /FX PLCs (AC power supply type)
U 2C
The table below shows the allowable instantaneous power interruption time in FX
supply type).
Supply voltage
200V AC system
7. FX PLCs (24V DC power supply type)
U
The allowable instantaneous power interruption time in FX
ms" when "K-4" is written to D8008.
8. Time chart
AC power supply type
(FX /FX /FX
3U 2N
AC power supply
M8000 RUN monitor
M8007 Instantaneous
power interruption
detection
M8008 Power
interruption
detection
218
Allowable instantaneous power
interruption time
Setting range: 10 to 100 ms
Set a value to D8008.
Initial value: 10 ms
Allowable instantaneous power
interruption time
Setting range: 10 to 100 ms
Set a value to D8008.
Initial value: 10 ms
Allowable instantaneous power
interruption time
Setting range: 10 to 100 ms
Set a value to D8008.
Initial value: 10 ms
/FX PLCs)
U 2C
Approx. 5 ms
1 scan time
D8008
Power interruption
detection time
10ms
4 Operations of Special Devices (M8000 and later, D8000 and later)
4.2 Supplement of Special Devices (M8000 and later and D8000 and later)
/FX
3U 3UC
PLCs (24V DC power supply type) is set to "5
2N
PLCs is 5 ms.
2NC
PLCs (24 VDC power supply type) is set to "5
U
DC power supply type
(FX /FX
3U 3UC
DC power supply
M8000 RUN monitor
M8007 Instantaneous
power interruption
detection
M8008 Power
interruption
detection
PLCs (AC power supply
3U
PLCs (DC power supply type) is 5 ms.
PLCs (AC power supply
2N
/FX PLCs (AC power
U 2C
PLCs)
Approx. 2 ms
1 scan time
D8008
Power interruption
detection time
5ms