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FINS Commands and Responses
Section 6-4
Command Codes
The command code consists of two bytes of data, and indicates the contents
of the command. A FINS command must begin with a 2-byte command code,
and any parameters must follow the command code.
Response Codes
The response code consists of two bytes of data, and indicates the result of
the command execution. The first byte is the MRES (main response code),
which indicates the broad classification of the execution result. The second
byte is the SRES (sub-response code), which gives the detailed classification.
The following table shows the main response codes and the execution results.
For a more detailed listing of response codes, including the sub-response
codes, refer to
6-4-3
Applicable Units for FINS Commands
The parameters used with FINS commands and responses depend on the
Unit to which the command is being sent. The FINS commands and
responses addressed to Controller Link Units, to C200HX/HG/HE PLCs, and
to CQM1H-series PLCs are explained in this manual. For explanations of
FINS commands for other Units, refer to the
FINS Commands Reference
Manual
(W227).
C200HX/HG/HE and CQM1H-series PLCs do not directly support FINS com-
mands, but the Controller Link Unit automatically converts the command for-
mat so that C200HX/HG/HE and CQM1H-series PLCs can process them. The
Unit also converts the response format so that the response can be returned
to the source of the command.
When FINS commands are sent via a Host Link System for CVM1, CV-series,
or CS/CJ-series PLCs, be sure to use the command format for relaying
between networks.
MRES
Execution result
MRES
Execution result
00
Normal completion
21
Write not possible
01
Local node error
22
Not executable in current mode
02
Destination node error
23
No unit
03
Communications controller error 24
Start/stop not possible
04
Not executable (service not sup-
ported)
25
Unit error
05
Routing error
26
Command error
10
Command format error
30
Access error
11
Parameter error
40
Service interrupted by abort
20
Read not possible
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Содержание C200HW-CLK21
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Страница 12: ...xiii TABLE OF CONTENTS Index 367 Revision History 373 ...
Страница 13: ...xiv ...
Страница 19: ...xx ...
Страница 57: ...32 Application Precautions Section 1 5 Example CX Programmer Response Timeout Setting ...
Страница 69: ...44 Message Service Procedure Section 2 2 ...
Страница 111: ...86 Constructing Networks with Repeater Units Section 3 4 ...
Страница 154: ...129 Setting Data Links Section 5 2 Device Information Setting Data Link Tables ...
Страница 261: ...236 Response Codes Section 6 7 ...
Страница 297: ...272 Message Delay Times Section 8 4 ...
Страница 353: ...328 Handling Precautions Section 9 6 ...
Страница 364: ...339 Changing the Data Link Tables with Active Data Links Section 10 2 ...
Страница 365: ...340 Changing the Data Link Tables with Active Data Links Section 10 2 ...
Страница 369: ...344 Standard Models Appendix A ...
Страница 391: ...366 Using the Relay Terminal Block Appendix C ...
Страница 397: ...372 Index ...
Страница 401: ...376 Revision History ...