Mitsubishi QJ71BR11

App - 39 App - 39
MELSEC-Q
APPENDIX
Special Register List (Continued)
Number Name Meaning Explanation
Set by
(When set)
Corresponding
ACPU
D9
Applicable
CPU
SD240 Base mode
0: Automatic mode
1: Detail mode
• Stores the base mode. S (Initial) New
SD241
No. of
extension
bases
0
: Main only
1 to 7: No. of
extension
bases
• Stores the maximum number of the extension bases being installed. S (Initial) New
SD242
A/Q base
differentiation
Base type
differentiation
0: QA
B is
installed
(A mode)
1: Q
B is
installed
(Q mode)
B0
Fixed to 0
Basic base
B1B2B7
1st extension
base
to
2nd extension
base
7th extension
base
to
When no extension
base is installed, the
value is fixed to 0.
S (Initial) New
SD243
SD244
No. of base
slots
No. of base slots
SD243
Extension 3 Extension 2 Extension 1 Main
Extension 7 Extension 6 Extension 5 Extension 4
SD244
B15 B12 B11 B8 B7 B4 B3 B0
• As shown above, each area stores the number of slots being installed.
S (Initial) New
QCPU
Remote
SD250
Loaded
maximum I/O
Loaded maximum
I/O No.
• When SM250 goes from OFF to ON, the upper 2 digits of the final
I/O number plus 1 of the modules loaded are stored as BIN values.
S
(Request
END)
New
+Rem
1
When Xn0 of the installed CC-Link goes ON, the bit
corresponding to the station switches ON.
2
When either Xn1 or XnF of the installed CC-Link switch OFF, the
bit corresponding to the station switches ON.
3
Switches ON when the CPU cannot communicate with the
installed CC-Link.
B0
1st module
2nd module
3rd module
B3B4B7B8
B11B12
B15
Vacant
4th module
Information
of
1
Information
of
2
Information
of
3
S (Error) New
QCPU
Remote
SD280 CC-Link error
Error detection
status
1
When Xn0 of the installed CC-Link goes ON, the bit
corresponding to the station switches ON.
2
When either Xn1 or XnF of the installed CC-Link switch OFF, the
bit corresponding to the station switches ON.
3
Switches ON when the CPU cannot communicate with the
installed CC-Link.
B15 B8B9 B0
8th
module
8th
module
1st
module
1st
module
...
toto
...
Information of
1
Information of
2
S (Error) New QnA
SD290
Number of points
allocated for X
• Stores the number of points currently set for X devices
SD291
Number of points
allocated for Y
• Stores the number of points currently set for Y devices
SD292
Number of points
allocated for M
• Stores the number of points currently set for M devices
+Rem
SD294
Number of points
allocated for B
• Stores the number of points currently set for B devices
+Rem
SD296
Number of points
allocated for SB
• Stores the number of points currently set for SB devices
+Rem
SD302
Number of points
allocated for D
• Stores the number of points currently set for D devices
SD303
Number of points
allocated for W
• Stores the number of points currently set for W devices
SD304
Device
allocation
(Same as
parameter
contents)
Number of points
allocated for SW
• Stores the number of points currently set for SW devices
S (Initial) New
+Rem