Mitsubishi Electric Q13UDVCPU - Page 480

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To use the converted special relay in the High Performance model QCPU, Process CPU, Universal model QCPU, or LCPU,
check "Use special relay/special register from SM/SD1000" under "A-PLC Compatibility Setting".
Project window  [Parameter]  [PLC Parameter]  [PLC System]
Note that the processing time will increase when the converted special relay is used.
[How to read the Special Relay for Modification column]
• If the special relay number for QCPU or LCPU is provided, correct the program using it.
•  means that the converted special relay can be used.
•  means that the special relay cannot be used in QCPU or LCPU.
ACPU
Special
Relay
Special
Relay after
Conversion
Special
Relay after
Modification
Name Meaning Details
Corresponding
CPU
M9000 SM1000  Fuse blown
OFF: Normal
ON: Module with blown
fuse
• This relay turns on if there is at least one
output module whose fuse has blown.
• This relay remains on even after the
system returns to normal.
• Output modules on remote I/O stations
are also checked.
Qn(H)
QnPH
QnU
*1
LCPU
*4
M9002 SM1002 
I/O module
verify error
OFF: Normal
ON: Error
• This relay turns on if the status of the I/O
module differs from that registered at
power-on.
• This relay remains on even after the
system returns to normal.
• I/O modules on remote I/O stations are
also checked.
• This relay is reset only when SD1116 to
SD1123 are reset.
Qn(H)
QnPH
QnU
*1
LCPU
M9005 SM1005 
AC DOWN
detection
OFF: AC DOWN not
detected
ON: AC DOWN detected
• This relay turns on if a momentary power
failure within 20ms occurs during use of
an AC power supply module.
• This relay is reset when the CPU module
is powered off and then on.
Qn(H)
QnPH
QnU
*1
• This relay turns on if a momentary power
failure within 10ms occurs when using an
AC power supply module.
• This relay is reset when the CPU module
is powered off and then on.
LCPU
• This relay turns on if a momentary power
failure within 10ms occurs during use of
a DC power supply module.
• This relay is reset when the CPU module
is powered off and then on.
Qn(H)
QnPH
QnU
*1
LCPU
M9006 SM1006  Battery low
OFF: Normal
ON: Battery low
• This relay turns on when the battery
voltage drops to or below the specified.
• It turns off when the battery voltage
returns to normal.
Qn(H)
QnPH
QnU
*1
LCPU
M9007 SM1007  Battery low latch
OFF: Normal
ON: Battery low
• This relay turns on when the battery
voltage drops to or below the specified.
• This relay remains on even after the
battery voltage returns to normal.
Qn(H)
QnPH
QnU
*1
LCPU
M9008 SM1008 SM1
Self-diagnostic
error
OFF: No error
ON: Error
This relay turns on if an error is detected by
self-diagnostics.
Qn(H)
QnPH
QnU
*1
LCPU
M9009 SM1009 SM62
Annunciator
detection
OFF: No F number
detected
ON: F number detected
• This relay turns on when the OUT F or
SET F instruction is executed.
• It turns off when the SD1124 value is
cleared to zero.
Qn(H)
QnPH
QnU
*1
LCPU