Mitsubishi L02CPU User Manual page 102

(3) Function
This instruction reads out received data of the connection specified in
data area.
D +0
D +1
D +2
D +n
The following figure shows the timing of reception processing with the S.SOCRCVS instruction.
Sequence program
100
CPU module
Receive data
length
Receive data
Receive data
S.SOCRCVS
(Reading receive data)
Receive data
Open
processing
ON
Open completion
OFF
signal (SD1282, n)
ON
Reception status
OFF
signal (SD1286, n)
S.SOCRCVS
instruction
S
Socket communication
receive data area
Connection
No. specified by S
Receiving
Data
Data read
reception
processing processing
END
processing
S.SOCRCVS instruction
execution
Data
read
processing
ACK (TCP only)
from the Socket communication receive
External device
END
processing