11-2SectionSocket Applications
191
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 re-
sponse codes including the SRES.
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
11-2 Socket Applications
The format of the following FINS commands partially differs when the sockets
are used.
Command code
Name Page
MRC SRC
27
01 UDP OPEN REQUEST 199
02 UDP RECEIVE REQUEST 200
03 UDP SEND REQUEST 201
04 UDP CLOSE REQUEST 203
10 PASSIVE TCP OPEN REQUEST 204
11 ACTIVE TCP OPEN REQUEST 206
12 TCP RECEIVE REQUEST 207
13 TCP SEND REQUEST 209
14 TCP CLOSE REQUEST 210
11-2-1 Format
The basic format of these commands is shown in the diagram below.
Command
code
Socket
number
Results storage area Parameters
Number of bytes from the
beginning of the frame
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.
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