Specifications

App - 37
Special Register List (Continued)
Number Name Meaning Explanation
Set by
(When set)
Applicable
ACPU
D9
Applicable
CPU
SD240 Base mode
0: Automatic
mode
1: Detail mode
The base mode is stored. S (Initial) New
SD241
No. of extension
bases
0: Main only
1 to 7:
Number 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
2nd extension base
to
7th extension base
to
When no extension
base is mounted,
the value is fixed to 0.
S (Initial) New
SD243
SD244
Number of base
slots
Number of base
slots
SM243
Extension 3
Main
SM244
B15 B12 B11 B8 B7 B4 B3 B0
Extension 7
Extension 6
Extension 2
Extension 5
Extension 1
Extension 4
• As shown above, each area stores the number of slots being
installed.
S (Initial) New
QCPU
Rem
SD250
Loaded
maximum I/O
Loaded
maximum I/O No.
• When SM250 turns 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 turns ON, the bit corresponding
to the station switches ON.
2 When either Xn1 or XnF of the installed CC-Link turns 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
B3
B4
B7B8
B11B12
B15
Vacant
Information of 3) Information of 2)
Information of 1)
2nd module
3rd module
4th module
The above module n-th module is in order of the head I/O numbers.
(However, the one where the parameter setting has not been made is
not counted.)
S (Error
occurrence)
New
QCPU
Rem
SD280 CC-Link error
Error detection
status
1) When Xn0 of the installed CC-Link turns ON, the bit corresponding
to the station switches ON.
2) When either Xn1 or XnF of the installed CC-Link turns OFF, the bit
corresponding to the station switches ON.
3) Turnss ON when the CPU cannot communicate with the installed
CC-Link.
B15 B8B9 B0
8th
module...
module
1st
...module
Information of 2
)
toto
module
1st
8th
Information of 1
)
S (Error
occurrence)
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
SD294
Number of points
allocated for B
• Stores the number of points currently set for B devices
SD296
Number of points
allocated for SB
• Stores the number of points currently set for SB devices
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