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MELSEC-Q
4 WHEN THE QCPU ACCESSES THE OTHER STATION PLC USING THE
DATA LINK INSTRUCTION
(3) Program example
Station 3 uses channel 3 with an SEND instruction, and sends data to station 15
using channel 5. When data is received at station 15, data is read from channel 5.
Q/QnACPU
E71 (station3)
Q/QnACPU
SEND
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
E71 (station 15)
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
RECV
Network No.7
(a) Station 3 program (SEND instruction)
When I/O signals of Ethernet module are X/Y00 to X/Y1F
With arrival confirmation/
clock data setting required.
Local station usage channel
Target station network number
Send data length (4 words)
Performs error code reading, etc.
Delivery monitoring time (20 s)
Target station storage channel
Target station number
Number of resend
Send data
X19: Initial normal completion
signal
Processing program when send completion
Processing program when abnormal
completion
Processing program when normal completion
MOV
D1
D200
Содержание QJ71E71-100 Series
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