Omron SYSDRIVE 3G3JV-A4002, Руководство пользователя

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7-27
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
code
Name Probable cause Remedy
01 Hex Function code error The function code is set to a code other than 03,
08, or 10 Hex. Check and correct
the function code.
02 Hex Register number
error The specified register number has not been
registered. Check and correct
the register number.
An attempt was made to read the register of the
Enter command.
g
03 Hex Data number error The number of write or read registers is not within
a range from 1 to 16 (0001 and 0010 Hex). Check and correct
the number of
The number of registers of the DSR message
multiplied by two does not coincide with the
number of bytes of the attached data.
registers or the
number of bytes.
21 Hex Data setting error The write data is not within the permissible range. Check the display on
h Di i l O
g
The data set is illegal and causes an OPE (OPE1
through OPE9) error.
p y
the Digital Operator
and correct the data.
Communications Chapter 7