Omron V780 Series, User Manual

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9 - 9
9 Troubleshooting
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
9-3 Errors a
nd C
o
u
n
term
easures
9
9-3-
1 Comman
d Error
s
Error name Unknown command error Error code 1003 hex
Description A command that is not supported was received.
Detection timing At command reception Recovery method None
Log category Command error log
Additional infor-
mation 1 Cause code Additional infor-
mation 2 None
Probable cause
(1) Cause code: 00000001 hex
The value of the function code is incorrect.
(2) Cause code: 00000002 hex
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/
Remarks None
Error name Command format error Error code 1004 hex
Description There was an error in the format of the received command.
Detection timing At command reception Recovery method None
Log category Command error log
Additional infor-
mation 1 Cause code Additional infor-
mation 2 None
Probable cause
(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).
(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/
Remarks None
Error name Command parameter error Error code 1005 hex
Description There was an error in the parameters of the received command.
Detection timing At command reception Recovery method None
Log category Command error log
Additional infor-
mation 1 None Additional infor-
mation 2 None
Probable cause
(1) The value of the holding register data is not correct (FC16).
(2) The value of the expanded command parameter is not correct (FC100).
Workaround Check the command frame contents and send the command again.
Precautions/
Remarks None