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CHAPTER12 PECIAL RELAY LIST AND SPECIAL REGISTER LIST
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12.2 SPECIAL REGISTER LIST
(11) QCPU with built-in Ethernet port
*1: This applies to the Built-in Ethernet port QCPU.
Table12.29 Special register
Number Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD1270
Time setting function
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 to clook time setup 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
This register is to be invalidated if a socket communication is used as an
open system.
U
SD1277
b15
b12to b11
b8
to
b7
b4to
b3 b0
to
Example:
July, 1993
9307
H
Year
Month
b15
b12to b11
b8
to
b7
b4to
b3 b0
to
Day
Hour
Example:
31st, 10 a.m.
3110
H
b15
b12to b11
b8
to
b7
b4to
b3 b0
to
Example:
35 min., 48 sec.
3548
H
SecondSecondMinute
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
b15b14
b0b1
SD1276
Connection 1
Directconnection to
SD1277
MELSOFT communicatio
n
FTP communication port
to
b15b14 b13 b12 b4 b3 b2 b1 b0
MELSOFT communicatio
n
000
to
Connection 16
Connection 15
Connection 2
port (UDP/IP)
port (TCP/IP)
MELSOFT