APPENDICES
Appendix 2 Special Register List
App
- 86
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
(14)QCPU with built-in Ethernet port
*1: This applies to the QnUDE(H)CPU.
TableApp.32 Special register
Number
Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD1270
Ti
m
e sett
in
g
fun
ction
Operation
result
Stores
operationresult.
Stores the operation result of the time setting function.
0: Not executed
1: Success
FFFF
H
: Failure
S (status
change)
New
QnU
*1
SD1271
Execution
time
Stores time
acquired with time
setting function.
Stores years (last two digits of the Christian Era) and monthes by two digits
of BCD code.
SD1272
Stores dates and hours acquired with time setting function by two digits of
BCD code.
SD1273
Stores minutes and seconds acquired with time setting function by two
digits of BCD code.
SD1274
Stores years (first two digits of the Christian Era) and days acquierd with
time setting function.
SD1275
Required
response
time
Stores time
required for clock
time aquisition.
Stores time taken from transmission to SNTP server until time is set up at
CPU.
Range: 0 to FFFE
H
(Unit: ms)
FFFF
H
when the above limit is exceeded.
SD1276
Forced
connection
invalidation
Specifies forced
connection
invalidation.
Specify this when a connection is to be invalidated forcibly on the user
program. If invalidation is specified for a connection, it stops
communication and does not respond. (When a remote password is used
and frequent unlock processing errors have occurred on a connection, this
is useful for temporarily inhibiting access to the connection.)
0: Valid (default)
1: Invalid
U
SD1277
b15
b12
to
b11
b8
to
b7
b4
to
b3
b0
to
Example:
July, 1993
9307
H
Year
Month
b15
b12
to
b11
b8
to
b7
b4
to
b3
b0
to
Day
Hour
Example:
31st, 10 a.m.
3110
H
b15
b12
to
b11
b8
to
b7
b4
to
b3
b0
to
Example:
35 min., 48 sec.
3548
H
Second
Second
Minute
b15
b12
to
b11
b8
to
b7
b4
to
b3
b0
to
0
1
2
3
4
5
6
Example:
1993, Friday
1905
H
Higher digits of year (0 to 99)
Sunday
Saturday
Friday
Thursday
Wednesday
Tuesday
Monday
Day of the week
b15b1
4
b0
b2
SD1276
Connect
i
on
1
D
i
rectconnect
i
on
to
SD1277
M
EL
SO
FT
commun
i
cat
i
on
FT
P
commun
i
cat
i
on
port
to
b15b1
4
to
b12
b
4
b3 b2 b1 b0
M
EL
SO
FT
commun
i
cat
i
on
0
0
0
0
to
Connect
i
on
16
Connect
i
on
15
Connect
i
on
2
port
(UDP
/I
P)
port
(
T
CP
/I
P)
M
E
SO
FT
