Omron V780 Series User Manual page 343

Error name Unknown command error
Description A command that is not supported was received.
Detection timing At command reception
Log category Command error log
Additional infor- Cause code
mation 1
(1) Cause code: 00000001 hex
The value of the function code is incorrect.
(2) Cause code: 00000002 hex
Probable cause
The function code and register address combination is not correct (FC03/FC16).
(3) Cause code: 00000003 hex
The function code and subfunction code combination is not correct (FC100).
Workaround Check the command frame contents and send the command again.
Precautions/ None
Remarks
Error name Command format error
Description There was an error in the format of the received command.
Detection timing At command reception
Log category Command error log
Additional infor- Cause code
mation 1
(1) Cause code: 00000001 hex
The register address and word count fields are missing (FC03).
(2) Cause code: 00000002 hex
The register address field and word count or byte count field are missing (FC16).
Probable cause
(3) Cause code: 00000003 hex
The value of the word count is not correct for the register address (FC03/FC16).
(4) Cause code: 00000004 hex
The values of the word count and byte count do not agree with the register data size (FC16).
Workaround Check the command frame contents and send the command again.
Precautions/ None
Remarks
Error name Command parameter error
Description There was an error in the parameters of the received command.
Detection timing At command reception
Log category Command error log
Additional infor- None
mation 1
(1) The value of the holding register data is not correct (FC16).
Probable cause
(2) The value of the expanded command parameter is not correct (FC100).
Workaround Check the command frame contents and send the command again.
Precautions/ None
Remarks
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Error code 1003 hex
Recovery method None
Additional infor- None
mation 2
Error code 1004 hex
Recovery method None
Additional infor- None
mation 2
Error code 1005 hex
Recovery method None
Additional infor- None
mation 2
9 Troubleshooting
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