Mitsubishi MELSEC Q Series - Page 1161

App-153
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Appendix3 SPECIAL RELAY LIST
SM240
No. 1 CPU reset
flag
OFF : No. 1 CPU reset
cancel
ON : No. 1 CPU
resetting
• Turns off when CPU No.1 is reset.
• Turns on while CPU No.1 is being reset
(including the case where the CPU module
is removed from the base unit). The other
CPUs are also put in reset status.
S (Status
change)
New
Q00/Q01
*1
Qn(H)
*1
QnPH
QnU
*7
No. 1 CPU reset
flag
Reset status • This relay is always off. (reset status) LCPU
SM241
No. 2 CPU reset
flag
OFF : No. 2 CPU reset
cancel
ON : No. 2 CPU
resetting
• Turns off when CPU No.2 is reset.
• Turns on while CPU No.2 is being reset
(including the case where the CPU module
is removed from the base unit). "MULTI
CPU DOWN" (error code: 7000) is
detected on the other CPUs.
Q00/Q01
*1
Qn(H)
*1
QnPH
QnU
*7
SM242
No. 3 CPU reset
flag
OFF : No. 3 CPU reset
cancel
ON : No. 3 CPU
resetting
• Turns off when CPU No.3 is reset.
• Turns on while CPU No.3 is being reset
(including the case where the CPU module
is removed from the base unit). "MULTI
CPU DOWN" (error code: 7000) is
detected on the other CPUs.
SM243
No. 4 CPU reset
flag
OFF : No. 4 CPU reset
cancel
ON : No. 4 CPU
resetting
• Turns off when CPU No.4 is reset.
• Turns on while CPU No.4 is being reset
(including the case where the CPU module
is removed from the base unit). "MULTI
CPU DOWN" (error code: 7000) is
detected on the other CPUs.
Qn(H)
*1
QnPH
QnU
*5
SM244
No. 1 CPU error
flag
OFF : No. 1 CPU normal
ON : No. 1 CPU during
stop error
• This relay is off when CPU No.1 is normal
(including the case where a continuation
error has occurred).
• This relay is on when CPU No.1 has a stop
error.
Q00/Q01
*1
Qn(H)
*1
QnPH
QnU
*7
LCPU
SM245
No. 2 CPU error
flag
OFF : No. 2 CPU normal
ON : No. 2 CPU during
stop error
• This relay is on when CPU No.2 is normal
(including the case where a continuation
error has occurred).
• This relay is on when CPU No.2 has a stop
error.
Q00/Q01
*1
Qn(H)
*1
QnPH
QnU
*7
SM246
No. 3 CPU error
flag
OFF : No. 3 CPU normal
ON : No. 3 CPU during
stop error
• This relay is off when CPU No.3 is normal
(including the case where a continuation
error has occurred).
• This relay is on when CPU No.3 has a stop
error.
SM247
No. 4 CPU error
flag
OFF : No. 4 CPU normal
ON : No. 4 CPU during
stop error
• This relay is off when CPU No.4 is normal
(including the case where a continuation
error has occurred).
• This relay is on when CPU No.4 has a stop
error.
Qn(H)
*1
QnPH
QnU
*5
SM250
Max. loaded I/O
read
OFF : Ignored
ON : Read
When this relay turns on from off, the largest
I/O number among those of the mounted
modules is read into SD250.
U
Qn(H)
QnPH
QnPRH
SM254
All stations
refresh command
OFF : Refresh arrival
station
ON : Refresh all
stations
• Effective for the batch refresh (also
effective for the low speed cyclic)
• Designate whether to receive arrival
stations only or to receive all slave stations
in the MELSECNET/H.
• Effective for the batch refresh (also
effective for the low speed cyclic)
• Designate whether to receive arrival
stations only or to receive all slave stations
in the CC-Link IE controller network .
Number Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
M9
Corresponding
CPU