Mitsubishi Electric QJ71LP21 Reference Manual page 332

Q corresponding melsecnet/h network system
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APPENDIX
Number
Name
OFF: No error
SM0
Diagnostic errors
ON : Error
OFF: No self-diagnosis
Self-diagnostic
SM1
error
ON : Self-diagnosis
OFF: No error common
Error common
SM5
information
ON : Error common
OFF: No error common
Error individual
SM16
information
ON : Error common
SM50
Error reset
OFF
Blown fuse
OFF: Normal
SM60
detection
ON : Module with blown fuse
I/O module
OFF: Normal
SM61
verification error
ON : Error
OFF: Normal
Detection of
ON : There is a module
SM120
external power
supply OFF
Number
Name
PAUSE enable
OFF: PAUSE disabled
coil
ON : PAUSE enabled
Device test
SM206
OFF: Device test not yet
request
acceptance
ON : Device test executed
status
Clock data read
OFF: Ignored
SM213
request
ON : Read request
Max. loaded I/O
OFF: Ignored
SM250
read
ON : Read
OFF: Normal
SM280 CC-Link error
ON : Error
Number
Name
Reads module
OFF: Ignored
SM551
service interval
ON : Read
App - 28
Special Relay List
(1) Diagnostic Information
Meaning
• ON if diagnosis results show error occurrence
(Includes external diagnosis)
• Stays ON subsequently even if normal operations
restored
• Comes ON when an error occurs as a result of self-
diagnosis.
errors
• Stays ON subsequently even if normal operations
restored
information
• When SM0 is ON, ON if there is error common
information
information
information
• When SM0 is ON, ON if there is error individual
information
information
ON : Error reset
• Conducts error reset operation
• Comes ON even if there is only one output module with a
blown fuse, and remains ON even after return to normal
• Blown fuse state is checked even for remote I/O station
output modules.
• Comes ON if there is a discrepancy between the actual
I/O modules and the registered information when the
power is turned on
• I/O module verification is also conducted for remote I/O
station modules.
• Goes ON when at least one module is in the status
where the external power supply is OFF. Stays ON even
whose external power
after normal operation is restored.
supply is OFF.
Applicable only for Q-series module. (For future use)
(2) System information
Meaning
• PAUSE state is entered if this relay is ON when the
remote PAUSE contact goes ON
• Comes ON when the device test mode is executed on
executed
GX Developer.
• When this relay is ON, clock data is read to SD210
through SD213 as BCD values.
• When this relay goes from OFF to ON, maximum loaded
I/O number is read to SD250.
• Goes ON when a CC-Link error is detected in any of the
installed QJ61QBT11. Goes OFF when normal operation
is restored.
• Goes ON when a CC-Link error is detected in any of the
installed A(1S)J61QBT11. Stays ON even after normal
operation is restored.
(3) Scan information
Meaning
• When this goes from OFF to ON, the module service
interval designated by SD550 is read to SD551 through
552.
Explanation
Explanation
Explanation
MELSEC-Q
Corresponding
Set by
Applicable
ACPU
(When Set)
CPU
M9
S (Error)
New
S (Error)
M9008
S (Error)
New
S (Error)
New
U
New
S (Error)
M9000
S (Error)
M9002
QCPU
New
S (Error)
Rem
Corresponding
Set by
Applicable
ACPU
(When Set)
CPU
M9
U
M9040
S (Request)
New
Remote
U
M9028
U
New
S (Status
QCPU
New
change)
Remote
S (Error)
New
Corresponding
Set by
Applicable
ACPU
(When Set)
CPU
M9
U
New
App - 28
+Rem
+Rem
+Rem
+Rem
QnA
+Rem

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