Mitsubishi MELSEC Q Series - Page 1169

App-161
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Appendix3 SPECIAL RELAY LIST
(6) Drive information
Number Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
M9
Corresponding
CPU
SM600
Memory card
usable flags
OFF : Unusable
ON : Use enabled
This relay turns on when the memory card
becomes ready for use.
S (Status
change)
New
Qn(H)
QnPH
QnPRH
QnU
*1
This relay turns on when the SD memory
card becomes ready for use. (This relay
turns on when a compatible SD memory card
is inserted and set to be enabled with the SD
memory card lock switch.)
LCPU
SM601
Memory card
protect flag
OFF : No protect
ON : Protect
This relay is on while the write-protect switch
of the memory card is on.
Qn(H)
QnPH
QnPRH
QnU
*1
LCPU
SM602 Drive 1 flag
OFF : No drive 1
ON : Drive 1 present
This relay is on while a RAM is being
inserted.
Qn(H)
QnPH
QnPRH
QnU
*1
SM603 Drive 2 flag
OFF : No drive 2
ON : Drive 2 present
This relay is on while a ROM is being
inserted.
Qn(H)
QnPH
QnPRH
QnU
*1
This relay is on while a SD memory card is
being inserted. (This relay is on while a SD
memory card is being inserted, regardless of
the availability and the type of the card.)
LCPU
SM604
Memory card in-
use flag
OFF : Not used
ON : In use
This relay is on while a memory card is being
used.
S (Status
change)
Qn(H)
QnPH
QnPRH
QnU
*1
LCPU
SM605
Memory card
remove/insert
prohibit flag
OFF : Remove/insert
enabled
ON : Remove/insert
prohibited
This relay is turned on to disable the
insertion and removal of a memory card.
U
Qn(H)
QnPH
QnPRH
QnU
*1
This relay is turned on to disable the
insertion and removal of a memory card.
(This relay turns on when a compatible SD
memory card is inserted and set to be
enabled with the SD memory card lock
switch. This relay does not turn on while
"ICM.OPE.ERROR" occurs.)
S (Status
change)
LCPU
SM609
Memory card
remove/insert
enable flag
OFF : Remove/insert
prohibited
ON : Remove/insert
enabled
• This relay is turned on to enable the
insertion and removal of a memory card.
• Turned OFF by the system after the
memory card is removed.
• This relay can be used while both SM604
and SM605 are off.
S/U
Qn(H)
QnPH
QnPRH
QnU
*1