App - 32 App - 32
MELSEC-Q
APPENDICES
Special Register List (Continued)
Number
Name
Meaning
Explanation
Set by
(When set)
Corresponding
ACPU
D9
Corresponding
CPU
SD220
SD221
SD222
SD223
SD224
SD225
SD226
SD227
LED display
data
Display indicator
data
• LED display ASCII data (16 characters) stored here.
SD220
SD221
SD222
SD223
SD224
SD225
SD226
SD227
15th character from the right
13th character from the right
11th character from the right
9th character from the right
7th character from the right
5th character from the right
3rd character from the right
1st character from the right
16th character from the right
14th character from the right
12th character from the right
10th character from the right
8th character from the right
6th character from the right
4th character from the right
2nd character from the right
to
B15
B8
to
B7
B0
S (When
changed)
New
SD240
Base mode
0: Automatic mode
1: Detail mode
• Stores the base mode.
S (Initial)
New
SD241
No. of
extension
bases
0: Main base 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
Main base
B1
B2
B7
1st expansion
base
to
2nd expansion
base
7th expansion
base
to
When no expansion
base is installed, the
value is fixed to 0.
S (Initial)
New
SD243
SD244
No. of base
slots
No. of base slots
SD243
Expansion 3 Expansion 2 Expansion 1
Main
Expansion 7 Expansion 6 Expansion 5 Expansion 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
SD251
Head I/O
number for
replacement
Head I/O No. for
module
replacement
• Stores the upper two digits of the first I/O number of an I/O module
that is removed/replaced in the online status.(default value : 100
H
)
U
D9094
Q2A (S1)
Q3A
Q4A
Q4AR
SD253
RS422 baud
rate
RS422 baud rate
• Stores baud rate of RS422.
0: 9600bps
1: 19.2kbps 2:
38.4kbps
S (When
changed)
New
QnA
SD254
Number of
modules installed
• Indicates the number of modules installed on MELSECNET/10 (H).
SD255
I/O No.
• MELSECNET/10 (H) I/O number of first module installed
SD256
Network
No.
• MELSECNET/10 (H) network number of first module installed
SD257
Group
number
• MELSECNET/10 (H) group number of first module installed
SD258
Station
No.
• MELSECNET/10 (H) station number of first module installed
SD259
Informa-
tion from
1st
module
Standby
informa-
tion
• In the case of standby stations, the module number of the standby
station is stored. (1 to 4)
SD260
to
SD264
Information from
2nd module
• Configuration is identical to that for the 2nd module.
SD265
to
SD269
Information from
3rd module
• Configuration is identical to that for the 3rd module.
SD270
to
SD274
MELSECNET
/10 (H)
information
Information from
4th module
• Configuration is identical to that for the 4th module.
S (Initial)
New
Содержание QCPU (Q Mode)
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