Mitsubishi Electric Q03UDVCPU User Manual page 123

(2) Control data
Device Item
System area
+0
S2
Completion
+1
S2
status
Send data length
+0
S3
+1
S3
to Send data
+n
S3
*3 The "Set by" column indicates the following.
User: The data must be set before executing the SP.SOCSND instruction.
System: The CPU module stores the execution result of the SP.SOCSND instruction.
*4 1 to 2046 for the QnUDE(H)CPU with a serial number (first five digits) of "12051" or earlier
For TCP, set the send data length within the maximum window size of the target device (receive buffer of TCP). Data whose
size exceeds the maximum window size cannot be sent.
Description
-
Completion status is stored.
0000 : Completed
H
Other than 0000 : Failed (Error code)
H
The length of send data is specified (in bytes).
Send data are specified.
CHAPTER 7 SOCKET COMMUNICATION FUNCTION
Setting range
-
-
*4
1 to 10238
-
*3
Set by
-
System
User
7
121