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11-3
Section
Command/Response Reference
201
Response Codes
Response code
Description
0000
Normal
0105
IP address setting error
0302
CPU Unit error; execution not possible.
1001
Command too large
1002
Command too small
1100
UDP socket number or number of reception bytes is out of
range.
1101
The variable type for the results storage area is out of range.
1103
Non-zero bit address specified for the results storage area.
220F
The specified socket is currently receiving data.
2210
The specified socket is not open.
2211
High traffic at Unit; cannot execute service.
Results Storage Area Response Codes
Response code
Description
0000
Normal
003E
Internal buffer cannot be reserved due to high reception load
(ENOBUFS).
0066
Internal memory cannot be allocated; cannot execute
service.
0080
A receive request timeout error occurred.
0081
The specified socket was closed while receiving data.
11-3-11
UDP SEND REQUEST
Requests that data be received by a UDP socket.
Command Block
03
27
Command
code
UDP
socket
number
Results storage area
Destination IP
address
Destination
UDP port
number
Number of
bytes sent
1984 bytes max.
Send data
Response Block
03
27
Command
code
Response
code
Results Storage Format
Response
code
Number of
bytes sent
Parameters
The UDP socket number to send the data specified as 2 bytes between 1 and 8.
The area in which the result of the command execution is stored. The first byte
specifies the memory area and data type (variable type). The 2nd to 4th bytes
specify the beginning address of the results storage area. Refer to page 192 for
details about the variable types and addresses that can be specified.
The IP address of the node to which data is being sent.
UDP Socket Number
(Command)
Results Storage Area
(Command)
Destination IP Address
(Command)