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9.8 J(P)/G(P).REQ (Reading/Writing Clock Data)
9
DEDICATED INSTRUCTIONS
• Devices used by the user
3) REQ instruction (clock data read) settings
Settings of the REQ instruction (clock data read) are shown below.
• Control data
• Request data
Table 9.39 Devices used by the user (clock data read)
Device
Description
Device
Description
M130
Control and request data setting command
D270 to
D287
Control data
M131
Start contact
D290 to
D291
Request data
M135
Completion device
D300 to
D305
Response data
M136
Completion status indication device
D606
Error code storage device
Table 9.40 Control data of the REQ instruction (clock data read)
Device
Item
Set value
(S1)+0
D270
Error completion type
0091
H
(Clock data at the time of error
completion is set.)
(S1)+1
D271
Completion status
—
(Set by system, no setting required)
(S1)+2
D272
Channel used by own station
4
(S1)+3
D273
Target station's CPU type
0000
H
(Target station CPU)
(S1)+4
D274
Target station network No.
1
(S1)+5
D275
Target station No.
2
(S1)+6
D276
(Unused)
0
(S1)+7
D277
Number of resends
5 times
(S1)+8
D278
Arrival monitoring time
0 (10 seconds)
(S1)+9
D279
Request data length
2 (Clock data read)
(S1)+10
D280
Response data length
—
(Set by system, no setting required)
(S1)+11
D281
Clock set flag
(S1)+12
to
(S1)+15
D282 to D285
Clock data on error completion
(S1)+16
D286
Error-detected network No.
(S1)+17
D287
Error-detected station No.
Table 9.41 Request data of the REQ instruction (clock data read)
Device
Item
Set value
(S2)+0
D290
Request type
0001
H
(Clock data read)
(S2)+1
D291
Sub-request type
0002
H
(Clock data read)
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