Mitsubishi Q2ACPU User Manual page 459

Qna series melsec
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APPENDICES
ACPU
Special
Special
Special
Relay after
Relay for
Relay
Conversion
Modification
M9065
SM1065
SM711
M9066
SM1066
SM712
M9070
SM1070
M9081
SM1081
SM714
M9084
SM1084
M9091
SM1091
M9094
SM1094
SM251
M9100
SM1100
SM320
M9101
SM1101
SM321
M9102
SM1102
SM322
*2: The A8UPU/A8PUJ is not available for the QnACPU.
Table App. 2.10. Special relay
Name
Meaning
OFF : Divided processing
Divided transfer
not underway
status
ON
: During divided
processing
Transfer
OFF : Batch transfer
processing switch
ON
: Divided transfer
A8UPU/
OFF : Read time not
A8PUJrequired
shortened
search time*2
ON
: Read time shortened
OFF : Empty spaces in
communication
Communication
request registration
request
area
registration area
ON
: No empty spaces in
BUSY signal
communication
request registration
area
OFF : Error check executed
Error check
ON
: No error check
Operation error
OFF : No error
details flag
ON
: Error
OFF : Exchanged
I/O exchange flag
ON
: Not exchanged
OFF : SFC programs not
Presence/absence
used
of SFC program
ON
: SFC programs used
Start/stop SFC
OFF : SFC programs stop
program
ON
: SFC programs start
SFC program start
OFF : Initial start
status
ON
: Resume start
App - 62
Details
• Turned on when canvas screen transfer to AD57(S1)/
AD58 is done by divided processing, and turned off at
completion of divided processing
• Turned on when canvas screen transfer to AD57(S1)/
AD58 is done by divided processing.
• Turned ON to shorten the search time in the A8UPU/
A8PUJ.
(In this case, the scan time is extended by 10 %.)
• Indication of communication enable/disable to remote
terminal modules connected to the AJ71PT32-S3, A2C or
A52G.
It is set whether the error checks below are performed or not
when the END instruction is processed (to set the END
instruction processing time).
• Check for fuse blown.
• Check of battery
• Collation check of I/O module
• Turns ON when the detail factor of the operation error is
stored into SD1091.
• Remains ON if the condition is restored to normal
thereafter.
• The I/O module can be changed online (with power on)
when SM251 is turned ON after the head I/O number of
the I/O module is set to SD251. (One module only is
allowed to be changed by one setting.)
• To be switched on in the program or peripheral device test
mode to change the module during CPU RUN. To be
switched on in peripheral device test mode to change the
module during CPU STOP.
• RUN/STOP mode must not be changed until I/O module
change is complete.
• Turned on if the SFC program is registered.
• Turned off if the SFC program is not registered.
• The value in SM320 is set as the initial value.
(The relay automatically turns ON when the SFC program
is present.)
• When this relay turns from ON to OFF, execution of the
SFC program stops.
• When this relay turns from OFF to ON, execution of the
SFC program resumes.
• The SFC program start mode in the SFC setting of the
PLC parameter dialog box is set as the initial value.
At initial start: OFF
At continue start: ON
Corresponding
CPU
QnA
QnA
QnA
QnA
QnA
QnA
QnA

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