Mitsubishi Electric melsec q03ud(E)cpu - Page 476

12 - 10
CHAPTER12 SPECIAL RELAY LIST AND SPECIAL REGISTER LIST
1
2
3
12
6
7
8
12.1 SPECIAL RELAY LIST
(6) Memory cards
*1: The Universal model QCPU except the Q00UJCPU, Q00UCPU, and Q01UCPU.
*2: The Universal model QCPU except the Q00UJCPU.
Table12.7 Special relay
Number Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
M9
Corresponding
CPU
SM600
Memory card usable
flags
OFF : Unusable
ON : Use enabled
• ON when memory card is ready for use by user S (Status change) New
Qn(H)
QnPH
QnPRH
QnU
*1
SM601
Memory card protect
flag
OFF : No protect
ON : Protect
• Goes ON when memory card protect switch is ON S (Status change) New
SM602 Drive 1 flag
OFF : No drive 1
ON : Drive 1 present
• Turns ON when the mounted memory card is RAM S (Status change) New
SM603 Drive 2 flag
OFF : No drive 2
ON : Drive 2 present
• Turns ON when the mounted memory card is ROM S (Status change) New
SM604
Memory card in-use
flag
OFF : Not used
ON : In use
• Goes ON when memory card is in use S (Status change) New
SM605
Memory card remove/
insert prohibit flag
OFF : Remove/insert enabled
ON : Remove/insert
prohibited
• Goes ON when memory card cannot be inserted or
removed
UNew
SM609
Memory card remove/
insert enable flag
OFF : Remove/insert
prohibited
ON : Remove/insert enabled
• Turned ON by user to enable the removal/insertion
of memory card.
• Turned OFF by the system after the memory card is
removed.
• This contact can be used only when SM604 and
SM605 are OFF.
S/U New
SM620 Drive 3/4 usable flags
OFF : Unusable
ON : Use enabled
• Always ON S (Initial) New QCPU
SM622 Drive 3 flag
OFF : No drive 3
ON : Drive 3 present
• Always ON S (Initial) New
Q00J/Q00/Q01
Qn(H)
QnPH
QnPRH
QnU
*2
SM623 Drive 4 flag
OFF : No drive 4
ON : Drive 4 present
• Always ON S (Initial) New QCPU
SM624 Drive 3/4 in-use flag
OFF : Not used
ON : In use
• Goes ON when the file within Drive 3 (standard
RAM) or Drive 4 (standard ROM) is used.
S (Status change) New
Qn(H)
QnPH
QnPRH
QnU
SM640 File register use
OFF : File register not used
ON : File register in use
• Goes ON when file register is in use S (Status change) New
Q00J/Q00/Q01
Qn(H)
QnPH
QnPRH
QnU
*2