Communications Error Codes; Error Code - Omron SYSDRIVE 3G3JV User Manual

Communications
7-8

Communications Error Codes

The Inverter will detect a communications error if normal communications fail or a mes-
sage data error occurs.
The Inverter returns a response that consists of the Slave address, function code with
the MSB set to 1, error code, and CRC-16 check block when the communications error is
detected.
When the Master receives an error code, refer to the following table for troubleshooting
and remedying the error.
H Errors and Remedies
Error Name
code
01 Hex Function code error
02 Hex Register number
error
03 Hex Data number error
21 Hex Data setting error
The function code is set to a code other than 03,
08, or 10 Hex.
The specified register number has not been
registered.
An attempt was made to read the register of the
Enter command.
The number of write or read registers is not within
a range from 1 to 16 (0001 and 0010 Hex).
The number of registers of the DSR message
multiplied by two does not coincide with the
number of bytes of the attached data.
g The write data is not within the permissible range. Check the display on
The data set is illegal and causes an OPE (OPE1
through OPE9) error.
Probable cause
Chapter 7
Remedy
Check and correct
the function code.
Check and correct
the register number. g
Check and correct
the number of
registers or the
number of bytes.
p y
the Digital Operator h Di i l O
and correct the data.
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