Omron W343-E1-07 - Manual (Page 236)

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Socket Applications Section 11-2
The MRES codes are shown in the following table along with the results they
indicate. Refer to 10-6 Troubleshooting with Response Codes for details on
response codes including the SRES.
11-2 Socket Applications
The format of the following FINS commands partially differs when the sockets
are used.
11-2-1 Format
The basic format of these commands is shown in the diagram below.
Command Code Specifies the requested process.
Socket Number Specifies the socket number for which the process is requested, from 1 to 8.
Results Storage Area Specifies the area to store the results of the requested process.
Parameters Specifies the parameters for the command code. Parameters depend on the
command being executed; for details, refer to the following pages.
MRES Execution results
00 Normal completion
01 Local node error
02 Remote node error
03 Unit error (controller error)
04 Service not supported
05 Routing error
10 Command format error
11 Parameter error
22 Status error
23 Operating environment error
25 Unit error
Command code Name Page
MRC SRC
27 01 UDP OPEN REQUEST 223
02 UDP RECEIVE REQUEST 224
03 UDP SEND REQUEST 225
04 UDP CLOSE REQUEST 227
10 PASSIVE TCP OPEN REQUEST 228
11 ACTIVE TCP OPEN REQUEST 231
12 TCP RECEIVE REQUEST 232
13 TCP SEND REQUEST 234
14 TCP CLOSE REQUEST 235
Command
code Socket
number Results storage area Parameters
Number of bytes from the
beginning of the frame