Mitsubishi QJ71LP21 User Manual

App - 29 App - 29
MELSEC-Q
APPENDIX
Special Relay List
(1) Diagnostic Information
Number Name Meaning Explanation
Set by
(When Set)
Corresponding
ACPU
M9
Applicable
CPU
SM0 Diagnostic errors
OFF: No error
ON : Error
• ON if diagnosis results show error occurrence
(Includes external diagnosis)
• Stays ON subsequently even if normal operations
restored
S (Error) New
SM1
Self-diagnostic
error
OFF: No self-diagnosis
errors
ON : Self-diagnosis
• Comes ON when an error occurs as a result of self-
diagnosis.
• Stays ON subsequently even if normal operations
restored
S (Error) M9008
SM5
Error common
information
OFF: No error common
information
ON : Error common
information
• When SM0 is ON, ON if there is error common
information
S (Error) New
SM16
Error individual
information
OFF: No error common
information
ON : Error common
information
• When SM0 is ON, ON if there is error individual
information
S (Error) New
SM50 Error reset
OFF
ON : Error reset
• Conducts error reset operation U New
+Rem
SM60
Blown fuse
detection
OFF: Normal
ON : Module with blown fuse
• 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.
S (Error) M9000
SM61
I/O module
verification error
OFF: Normal
ON : Error
• 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.
S (Error) M9002
+Rem
SM120
Detection of
external power
supply OFF
OFF: Normal
ON : There is a module
whose external power
supply is OFF.
• Goes ON when at least one module is in the status
where the external power supply is OFF. Stays ON even
after normal operation is restored.
Applicable only for Q-series module. (For future use)
S (Error)
New
QCPU
Remote
(2) System information
Number Name Meaning Explanation
Set by
(When Set)
Corresponding
ACPU
M9
Applicable
CPU
PAUSE enable
coil
OFF: PAUSE disabled
ON : PAUSE enabled
• PAUSE state is entered if this relay is ON when the
remote PAUSE contact goes ON
U M9040
SM206
Device test
request
acceptance
status
OFF: Device test not yet
executed
ON : Device test executed
• Comes ON when the device test mode is executed on
GX Developer.
S (Request) New Remote
SM213
Clock data read
request
OFF: Ignored
ON : Read request
• When this relay is ON, clock data is read to SD210
through SD213 as BCD values.
U M9028
+Rem
SM250
Max. loaded I/O
read
OFF: Ignored
ON : Read
• When this relay goes from OFF to ON, maximum loaded
I/O number is read to SD250.
UNew
+Rem
• Goes ON when a CC-Link error is detected in any of the
installed QJ61QBT11. Goes OFF when normal operation
is restored.
S (Status
change)
New
QCPU
Remote
SM280 CC-Link error
OFF: Normal
ON : Error
• 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.
S (Error) New QnA
(3) Scan information
Number Name Meaning Explanation
Set by
(When Set)
Corresponding
ACPU
M9
Applicable
CPU
SM551
Reads module
service interval
OFF: Ignored
ON : Read
• When this goes from OFF to ON, the module service
interval designated by SD550 is read to SD551 through
552.
UNew
+Rem

Mitsubishi QJ71LP21 Specifications

General

Brand	Mitsubishi
Model	QJ71LP21
Category	Controller
Language	English