Special Relays (Sm) - Mitsubishi Electric IQSS-R-E Reference Manual

Special relays (SM)

MELSEC-L series/Q series
The special relays (SM) which can be used for MELSEC-L series/Q series are as follows.
Number Name
SM606 SD memory card forced
disable instruction
SM1435 iQ Sensor Solution
backup/restoration
execution enabled
SM1436 iQ Sensor Solution
backup request
SM1437 iQ Sensor Solution
backup normal
completion
SM1438 iQ Sensor Solution
backup abnormal
completion
SM1439 iQ Sensor Solution
restoration request
SM1440 iQ Sensor Solution
restoration normal
completion
SM1441 iQ Sensor Solution
restoration abnormal
completion
SM1442 iQ Sensor Solution
backup/restoration
cancellation request
APPX
356
Appendix 6 Special Relay (SM)/Special Register (SD) List
Description Details
OFF: Cancel instruction When this relay is turned ON, the instruction that forcibly disables an
ON: Forced disable SD memory card is issued. If any function accesses the SD memory
instruction card, the disabling process does not start until the access is completed.
When this relay is turned OFF, the instruction that forcibly disables an
SD memory card is issued.
OFF to ON: Execution Data backup/restoration is enabled when this relay turns ON. (Enabled
enabled only when SD1446 is '3H' (completed), '11H' (cancelled (no error)),
'FEH' (cancelled (error)), or 'FFH' (error).)
This relay turns OFF when the data backup/restoration is enabled.
OFF to ON: Backup Data backup is performed for the target module type set when this relay
requested turns ON. (Enabled only when SD1446 is 1H (ready))
This relay turns OFF when the right-to-use is acquired or when data
backup/restoration is enabled.
OFF: Backup incomplete This relay turns ON when data backup is complete normally.
ON: Backup complete This relay turns OFF when the right-to-use is acquired.
normally
OFF: Backup incomplete This relay turns ON when data backup is complete abnormally.
ON: Backup completed with This relay turns OFF when the right-to-use is acquired.
error(s) The error code is stored in SD1452 or SD1453.
OFF to ON: Restoration Data restoration is performed for the target module type set when this
requested relay turns ON. (Enabled only when SD1446 is '1H' (ready))
This relay turns OFF when the right-to-use is acquired.
OFF: Restoration This relay turns ON when data restoration is complete normally.
incomplete This relay turns OFF when the right-to-use is acquired.
ON: Restoration complete
normally
OFF: Restoration This relay turns ON when data restoration is completed abnormally.
incomplete This relay turns OFF when the right-to-use is acquired.
ON: Restoration completed The error code is stored in SD1452 or SD1453.
with error(s)
OFF to ON: Backup/ Data backup/restoration is cancelled when this relay turns ON.
restoration (Enabled only when SD1446 is 1H (ready) and SD1446 is 2H (being
cancellation requested executed))
This relay turns OFF when the right-to-use is acquired or when data
backup/restoration is enabled.
Set by
(setting
timing)
U
S (status
change)/U
S (status
change)/U
S (status
change)
S (status
change)
S (status
change)/U
S (status
change)
S (status
change)
S (status
change)/U