Passive Tcp Open Request - Omron CJ1W-ETN21 - 04-2009 Operation Manual

Command/Response Reference
Parameters
Socket Option (Command)
UDP Socket Number
(Command)
Results Storage Area
(Command)
Response Codes
Results Storage Area Response Codes

7-3-13 PASSIVE TCP OPEN REQUEST

Command Block
Response Block
174
The socket option specified as 1 byte. The setting is not valid for this com-
mand. Set to 0.
The UDP socket number to be closed specified as 1 byte 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 160 for details about the variable types and addresses that can be spec-
ified.
Response code
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.
1101 The variable type for the results storage area is out of range.
1103 Non-zero bit address specified for the results storage area.
2210 Specified socket is not open.
2211 High traffic at Unit; cannot execute service.
2240 Socket service mode is incorrect; cannot execute service.
(With unit version 1.5 or later, the high-speed socket service
option was enabled and a socket service was used with a
CMND(490) instruction.)
Response code
0000 Normal
Requests processing to open a TCP socket. The socket will wait to be con-
nected to another node.
27 10
Command
Results storage area
code
TCP socket number
Socket option
27 10
Command Response
code code
Description
Description
Timeout
Local Remote IP address
value
TCP port
number
Section 7-3
Remote TCP
port number