APPENDICES
Appendix 2 Special Register List
App
- 50
9
P
a
ra
met
e
rs
10
Device
Exp
la
n
at
ion
11
CP
U
M
odu
le
P
ro
cessi
ng
Ti
m
e
12
P
roc
e
d
ure
f
or W
rit
in
g
P
rog
ra
m t
o CP
U Mo
du
le
A
p
pe
nd
ic
e
s
In
de
x
*9: Function version is B or later.
Number
Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD242
A/Q base
differentiation
Base type
differentiation
0: QA**B is
installed
(A mode)
1: Q**B is installed
(Q mode)
S (Initial)
New
Qn(H)
QnPH
QnPRH
Rem
Installed Q base
presence/
absence
Base type
differentiation
0: Base not
installed
1: Q**B is installed
S (Initial)
New
Q00J/Q00/Q01
Installed Q base
presence/
absence
Base type
differentiation
0: Base not
installed
1: Q**B is installed
S (Initial)
New
QnU
SD243
No. of base
slots
No. of base slots
• As shown above, each area stores the number of slots being installed.
S (Initial)
New
Qn(H)
QnPH
QnPRH
QnU
Rem
SD244
SD243
No. of base
slots (Operation
status)
No. of base slots
• As shown above, each area stores the number of slots being installed.
(Number of set slots when parameter setting has been made)
S (Initial)
New
Q00J/Q00/Q01
SD244
SD245
No. of base
slots (Mounting
status)
No. of base slots
• As shown above, each area stores the number of module-mounted slots
of the base unit (actual number of slots of the installed base unit).
S (Initial)
Q00J/Q00/Q01
*9
SD246
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
Qn(H)
QnPH
QnPRH
Rem
• The upper 2 digits of the final I/O number plus 1 of the modules loaded
are stored as BIN values.
S (Initial)
New
Q00J/Q00/Q01
QnU
Rem
SD251
Head I/O
number for
replacement
Head I/O No. for
module
replacement
• Stores the upper two digits of the head I/O number of an I/O module that
is removed/replaced in the online status (with power on). (Default value:
100
H
).
U
D9094
Q2A(S1)
Q3A
Q4A
Q4AR
SD253
RS422
transmission
speed
RS422
transmission
speed
• Stores transmission speed of RS422.
0 : 9600bps 1 : 19.2kbps 2 : 38.4kbps
S (When
changed)
New
QnA
b0
b1
b2
b7
to
Fixed to 0
Main base unit
1st extension
base
2nd extension
base
to
7th extension
base
Fixed to 0
when the
base is not
installed.
b0
b1
b2
b4
Fixed to 0
Main base unit
1st extension base
2nd extension base
4th extension base
to
to
b0
b1
b2
b7
to
Fixed to 0
Main base unit
1st extension
base
2nd extension
base
to
7th extension
base
Fixed to 0
when the
base is not
installed.
SD243
SD244
b15 to b12 b11 to b8 b7 to b4
b3 to b0
Extension
3
Extension
2
Main
Extension
1
Extension
7
Extension
6
Extension
4
Extension
5
SD243
SD244
b15 to b12 b11 to b8 b7 to b4 b3 to b0
Extension
3
Extension
2
Main
Extension
1
Fixed to
0
Fixed to
0
Extension
4
Fixed to
0
SD245
SD246
b15 to b12 b11 to b8 b7 to b4
b3 to b0
Extension
3
Extension
2
Main
Extension
1
Fixed to
0
Fixed to
0
Extension
4
Fixed to
0