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MELSEC-Q
4 WHEN THE QCPU ACCESSES THE OTHER STATION PLC USING THE
DATA LINK INSTRUCTION
(3) Instruction examples
(a) A program that writes the clock data (8:30:00) to the Q/QnACPU of station
number 13 using network number 7.
When I/O signals of the Ethernet module are X/Y00 to X/Y1F
Station No.1
Station No.13
QCPU
E71
Q/QnACPU
E71
Network No.7
REQ instruction
communication
request
source station
Channel
1
REQ instruction
communication
request destination
station
Clock data setting required
Channel used by the local
station
Request data length (6 words)
Read error code, etc.
Arrival monitoring time (20 s)
Target station number
Number of resend
Request type
Subrequest type
Change pattern
Target station network number
X19: Initial normal completion
signal
Hour/minute (8:30)
Second (00s)
Processing program on instruction
completion
Processing program on normal completion
Processing program on abnormal
completion
MOV
D1
D100
Target station's CPU type
(target CPU)
Содержание QJ71E71-100 Series
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