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S_SOCRCVS
QnUDE(H) LCPU
Structured ladder/FBD
S_SOCRCVS
EN
ENO
Un
d
s
The following instruction can go in the dotted squares.
S_SOCRCVS
■Executing condition
Instruction
S_SOCRCVS
■Argument
Input/output
Name
argument
Input argument
EN
Un
s
Output argument
ENO
d
Setting
Internal device
data
Bit
Word
(s)
(d)
Processing details
This instruction reads receive data of a specified connection from the socket communication receive data area.
Setting data
Device
Item
(d)+0
Receive data length
(d)+1 to (d)+(n)
Receive data
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.
• Use the LCPU other than L02SCPU and L02SCPU-P.
ST
(EN, Un, s, d);
ENO:=
S_SOCRCVS
Executing condition
Description
Executing condition
Dummy ("U0")
Connection number (1 to 16)
Execution result
Start number of the device that stores receive data
R, ZR
J\
Bit
Setting data
Data length of the data read from the socket communication
receive data area is stored.
(number of bytes)
Data read from the socket communication receive data area
are stored in ascending address order.
Data type
Bit
String
ANY16
Bit
ANY16
U\G
Zn
Word
7 SOCKET COMMUNICATION FUNCTION INSTRUCTION
Constant
Others
K, H
Setting range
Setting side
0 to 2046
System
System
7.2 SOCRCV Instruction
7
259
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