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MELSEC-Q
4 WHEN THE QCPU ACCESSES THE OTHER STATION PLC USING THE
DATA LINK INSTRUCTION
(b) This is a program to "Remote STOP" station number 13 on network
number 7.
When I/O signals of Ethernet module are X/Y00 to X/Y1F
Station No.1 Station No.13
QCPU
E71
Q/QnACPU
E71
Network No.7
Channel
1
REQ instruction
communication
request
source station
REQ instruction
communication
request
destination station
Clock data setting required
Request data length
(3 words)
Arrival monitoring time (20 s)
Target station number
Request type
Subrequest type
Forced execution not performed
Target station network number
Channel used by the local
station
Read error code, etc.
Number of resend
X19: Initial normal completion
signal
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)
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