Omron CS1W-ETN21 operation manual 170

Command/Response Reference Section 7-3

Command Block

27	03
Command		Results storage area Destination IP address Destination		Number of
code		UDP socket number	UDP	bytes sent
			port number

Socket option

Response Block

27 03

Command Response

code code

Results Storage Format

Response	Number of
code	bytes sent

1984 bytes max.

Send data

Parameters

Socket Option (Command)

UDP Socket Number (Command)

Results Storage Area (Command)

Destination IP Address (Command)

Destination UDP Port Number (Command)

Number of Bytes Sent

(Command, Results

Storage Area)

Send Data (Command)

The socket option specified as 1 byte. The setting is not valid for this com- mand. Set to 0.

The UDP socket number to send the data specified as 1 byte 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 158 for details about the variable types and addresses that can be specified.

The IP address of the node to which data is being sent is specified in hexa- decimal.

The UDP port number of the node to which data is being sent.

The number of bytes in the data sent by this command. Up to 1,984 bytes can be specified, or up to 1,472 bytes can be specified if the broadcast address is specified as the send destination. The results storage area stores the actual number of bytes sent.

Specifies the data sent to the remote node.

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
1003	The number of bytes sent does not match the sent data
	length.

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