Mitsubishi Electric FX Series - PLC Status Diagnostic Information (M8000 to M8009; Clock Devices and Real Time Clock (M8011 to M8019

A.1.1 PLC Status Diagnostic Information (M8000 to M8009)
A.1.2 Clock Devices and Real Time Clock (M8011 to M8019)
Special Relays Appendix
A-2 MITSUBISHI ELECTRIC
RUN state
M8004
M8000
M8001
M8002
M8003
1 scan time
Special Relay Read Write CPU Function
M8000
쏹
—
FX
1S
FX1N
FX2N
FX2NC
FX3G
FX3U
FX3UC
RUN monitor
(NO contact)
M8001
쏹
—
RUN monitor
(NC contact)
M8002
쏹
—
Initial pulse
(NO contact)
M8003
쏹
—
Initial pulse
(NC contact)
M8004
쏹
— Error occurrence
M8005
쏹
—
FX
2N
FX2NC
FX3G
FX3U
FX3UC
Battery voltage low (ON when battery voltage is below the
value set in D8006)
M8006
쏹
—
Battery error latch (M8006 is set when battery voltage low is
detected)
M8007
쏹
—FX
2N
FX2NC
FX3U
FX3UC
Momentary power failure
M8008
쏹
— Power failure detected
M8009
쏹
—
FX
2N
FX2NC
FX3G
FX3U
FX3UC
24V DC down (service power supply)
Special Relay Read Write CPU Function
M8010 — — — Not used
M8011
쏹
—
FX
1S
FX1N
FX2N
FX2NC
FX3G
FX3U
FX3UC
10 ms clock pulse
ON and OFF in 10 ms cycle (ON: 5 ms, OFF: 5 ms)
M8012
쏹
—
100 ms clock pulse
ON and OFF in 100 ms cycle (ON: 50 ms, OFF: 50 ms)
M8013
쏹
—
1 s clock pulse
ON and OFF in 1 s cycle (ON: 500 ms, OFF: 500 ms)
M8014
쏹
—
1 min clock pulse
ON and OFF in 1 min cycle (ON: 30 s, OFF: 30 s)
M8015
쏹쏹
Clock stop and preset (For real time clock)
M8016
쏹
—
Time read display is stopped (For real time clock)
The contents of D8013 to D8019 is frozen, but the clock is
still running.
M8017
쏹쏹
±30 seconds correction (For real time clock)
M8018
쏹
—
Real time clock installation detection (Always ON)
For an FX
2NC a memory card with integrated RTC must be
installed.
M8019
쏹
— Real time clock (RTC) setting error