Omron V680S Series, Руководство пользователя

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Se
ct
io
n 7
Mo
dbus
Commun
ic
a
tion
s
Prot
ocol
Section 7
Host Communications Specifications
167
RFID System
User's Manual
(Modbus TCP)
Exception Code Table

End Codes
The end code consists of two words in the format that is shown in the following table.

Error Codes
The error code consists of two bytes that give the result of Reader/Writer processing.
For details on the error codes, refer to Error Codes in this section.
p.168

Model Number Information
Information on the device where the error occurred is given in one byte.
Exception code Meaning
00 hex Normal end
01 hex Illegal function
•
Frame header values are incorrect.
•
The function code is incorrect.
•
The frame length is incorrect.
02 hex Illegal data address
•
The value in the address field is incorrect.
03 hex Illegal data value
•
A parameter value is incorrect.
04 hex Failure in slave device
•
The Reader/Writer detected an error (error in RF Tag communications, hardware fault, etc.).
06 hex Slave device busy
•
The query cannot be executed.
Error code
Model number
information
(Reserved)
Always 00 hex
2 bytes 1 byte 1 byte
Model number
information
Meaning
00 hex An error occurred in the local device.
01 hex
An error occurred in the other Reader/Writer.
If the COPY DATA query is sent and the error occurred at the copy destination Reader/Writer, the error
source model number information is set to 01 hex.
Or, an error occurred in Slave No. 1 for Reader/Writer extension functions.
02 hex An error occurred in Slave No. 2 for Reader/Writer extension functions.
03 hex An error occurred in Slave No. 3 for Reader/Writer extension functions.
04 hex An error occurred in Slave No. 4 for Reader/Writer extension functions.
05 hex An error occurred in Slave No. 5 for Reader/Writer extension functions.
06 hex An error occurred in Slave No. 6 for Reader/Writer extension functions.
07 hex An error occurred in Slave No. 7 for Reader/Writer extension functions.