Mitsubishi MELSEC-L series Programming Manual page 334

S_SOCRCVS
Precautions
Use the Built-in Ethernet port QCPU of which the function version is B or later and the first five
digits of the serial number are '11012' or higher.
Program Example
The following program reads data received from the external device.
[Structured ladder]
[ST]
IF((Var_Flag_Inst=TRUE) &(SD1282.0=TRUE) &(SD1286.0=TRUE))THEN
END_IF;
7.4 SOCRCVS Instruction
7-12
S_SOCRCVS(TRUE, "U0", 1, D5000);
(* Reads data from the connection number 1 *)
Reads data from
the connection
number 1