Mitsubishi Electric MELSEC iQ-F Reference page 11

2.3
M+FX5UCPU-EN_Recv_Socket
Name
M+FX5UCPU-EN_Recv_Socket
Overview
Item Description
Overview Reads the data received by socket communication.
Symbol
(1)
(2)
(3)
Labels
■Input label
No. Variable name Name
(1) i_bEN Execution command
(2) i_stModule Module label
(3) i_uConnectionNo Connection No.
■Output label
No. Variable name Name
(4) o_bENO Execution status
(5) o_bOK Normal completion
(6) o_bErr Error completion
(7) o_uErrId Error code
(8) o_uRecvData Receive data storage
destination
M+FX5UCPU-EN_Recv_Socket
B : i_bEN
DUT : i_stModule
UW : i_uConnectionNo
o_uRecvData
(9) pbi_bReadTiming
Data type
Bit
Structure
Word [Unsigned]/Bit
String [16-bit]
Data type
Bit
Bit
Bit
Word [Unsigned]/Bit
String [16-bit]
Word [Unsigned]/Bit
String [16-bit]
o_bENO : B (4)
o_bOK : B (5)
o_bErr : B (6)
o_uErrId : UW (7)
: UW (8)
Range Description
ON, OFF ON: The FB is activated.
OFF: The FB is not activated.
The setting range Specify the module label of the CPU module.
differs depending on
the module label.
1 to 8 Specify the connection number for receiving data.
Default value Description
OFF ON: The execution command is ON.
OFF: The execution command is OFF.
OFF When this label is ON, it indicates that reading of the
received data has completed normally.
OFF When this label is ON, it indicates that an error has
occurred in the FB.
0 Stores the error code that occurred in the FB.

Specify the receive data length and the start number of
the device for storing received data.
b15
1st word Received data length (unit: bytes)
2nd word Received data 2 Received data 1
nth word Received data 2n-2 Received data 2n-3
• The received data length is 1 to 2046 bytes.
• Receive data is stored in the word area in order from
the first half (b0 to b7) to the second half (b8 to b15).
2.3 M+FX5UCPU-EN_Recv_Socket
b8 b7 b0
2 FX5 ETHERNET FB
2
9