Mitsubishi Electric Melsec Q Series User Manual page 108

4 WHEN THE Q/LCPU ACCESSES THE PROGRAMMABLE CONTROLLER
OF ANOTHER STATION USING THE DATA LINK INSTRUCTION
Programmable
controller CPU
Control
data
setting
command
Send
command
send
data
setting
command
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(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.
E71 (station 3)
Channel 1
Channel 2
SEND Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
(a) Station 3 program (SEND instruction)
When I/O signals of Ethernet module are X/Y00 to X/Y1F
E71 (station 15)
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
Network No.7
Processing program when send completion
Processing program when normal completion
Processing program when abnormal
completion
MOV D1
MELSEC-Q/L
Programmable
controller CPU
RECV
With arrival confirmation/
clock data setting required.
Local station usage channel
Target station storage channel
Target station network number
Target station number
Delivery monitoring time (20 s)
Send data length (4 words)
Send data
Number of resend
X19: Initial normal completion
signal
Performs error code reading, etc.
D200
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