Mitsubishi MELSEC-L series Programming Manual page 347

Control Data
Device Item
System area
[0]
s2
Completion status
[1]
s2
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 the receive data length of the connection number 1.
[Structured ladder]
[ST]
IF((LDP(TRUE, Var_Flag_Inst)) &(SD1282.0=TRUE) &(SD1286.0=TRUE))THEN
SP_SOCRDATA(TRUE, "U0", 1, Var_ControlData, 1, D4000);
END_IF;
Setting data
The instruction application status is stored.
0 : Normal completion
Other than 0 : Error completion (error code)
(* Reads receive data length of connection number 1 *)
−
7.9 SOCRDATA Instruction
S_SOCRDATA
Setting range Setting side
− −
− System
Reads receive data
length of the
connection number 1
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