Drive Information - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

Drive information

The following is the list of special relay areas relating to the drive information.
No. Name
SM600 Memory card usable flags
SM601 Memory card protect flag
SM603 Memory card (drive 2) flag
SM604 Memory card in-use flag
SM605 Memory card remove/insert
prohibit flag
SM606 SD memory card forced
disable instruction
SM607 SD memory card forced
disable status flag
SM624 Battery-less option cassette
insertion flag
SM625 Battery-less function
execution flag
SM626 Extended SRAM cassette
insertion flag
SM628 Program memory write
error
SM629 Program memory write flag
SM630 Program memory overwrite
count error flag
SM632 Data memory write error
SM633 Data memory write flag
APPX
814
Appendix 4 List of Special Relay Areas
Data stored Details
Off: Disabled This relay is on when an SD memory card is
On: Enabled enabled (This relay switches to on when a
valid SD memory card is inserted and
prepared for use).
Off: Not protected This relay is on when the write protect
On: Protected switch of the SD memory card is set to on.
Off: No SD memory card This relay is on when an SD memory card is
inserted inserted. (This relay switches to on when an
On: SD memory card SD memory card is inserted regardless of its
inserted state (enabled/disabled) and type).
Off: Not used This relay is on when the SD memory card
On: In use is being used.
Off: Allowed to remove/ Turn on this relay to prohibit the SD memory
insert card from being removed/inserted. When
On: Not allowed to this relay is on, if SM607 is set to on, the
remove/insert system switches it to off.
Off: Cancel instruction • This relay can be switched to on to issue
On: Forced disable
instruction
• This relay can be switched to off to cancel
Off: Not disabled • This relay switches to on when the SD
On: Disabled
• This relay switches to off when the
Off: Not inserted This relay is on when the battery-less option
On: Inserted cassette is inserted.
Off: Battery-less function This relay is on while the battery-less
not executed function is being executed.
On: Battery-less function
executed
Off: Not inserted This relay is on when the extended SRAM
On: Inserted cassette is inserted.
Off: No write operation/ This relay switches to on when a write error
normal is detected during write operation to the
On: Write error program memory. This relay switches to off
when the write instruction is issued.
Off: No write operation This relay is on when the write process to
On: Executing write the program memory is in progress. The
operation relay is switched to off when the write
process is completed.
Off: The number of rewrite This relay switches to on when the number
operations is less than of program memory rewriting operations
100000 reaches 100000 (CPU module must be
On: The number of rewrite replaced).
operations reaches
100000
Off: No write operation/ This relay switches to on when a write error
normal is detected during write operation to the
On: Write error data memory. This relay switches to off
when the write instruction is issued.
Off: No write operation This relay is on when the write process to
On: Executing write the data memory is in progress. The relay is
operation switched to off when the write process is
completed.
the instruction that forces the SD memory
card to be disabled. However, whenever
any function accesses the SD memory
card, the disabling process does not start
until the access is completed.
the instruction that forces the SD memory
card to be disabled.
memory card is disabled by switching
SM606 to on.
forcibly-disabled SD memory card is
enabled by switching SM606 to off.
Set by (setting timing) CPU
S (Status change) ALL
S (Status change) ALL
S (Status change) ALL
S (Status change) ALL
U/S ALL
U/S (Status change) ALL
S (Status change) ALL
S (Status change) Rn
S (Status change) Rn
S (Status change) ALL
S (Writing) ALL
S (Writing) ALL
S (Writing) ALL
S (Writing) ALL
S (Writing) ALL
*2
*2
*2
*2
*2
*2
*2
*4
*4
*3