Omron CS1W-ETN01 User Manual

11-3SectionCommand/Response Reference
199
11-3-9 UDP OPEN REQUEST
Requests processing to open a socket.
Command Block
Command
code
0127
UDP
socket
number
Results storage area Local UDP
port number
Response Block
0127
Command
code
Response
code
Results Storage Format
Results storage
response code
Parameters
The UDP socket number to be opened specified as 2 bytes between 1 and 8.
The area in which the results of the command execution are 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 UDP port number for communications with the socket is specified as 2 bytes
(0 cannot be specified). Packets received at this port are distributed to the socket
specified in the UDP socket number, and send packets are distributed from the
UDP socket to this port. The port number specified as the FINS UDP port num-
ber (default value 9600) cannot be used.
Response Codes
Response code Description
0000 Normal
0105 Local IP address setting error
0302 CPU Unit error; execution not possible.
1001 Command too large
1002 Command too small
1100 UDP socket number is out of range.
Local UDP port number is 0.
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 Specified socket is already open or is being closed.
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 receive load
(ENOBUFS).
0049 Duplicate UDP port number (EADDRINUSE).
UDP Socket Number
(Command)
Results Storage Area
(Command)
Local UDP Port Number
(Command)

Omron CS1W-ETN01 Specifications

General

Brand	Omron
Model	CS1W-ETN01
Category	Controller
Language	English