Communications Error Codes - Omron SYSDRIVE 3G3MV User Manual

Communications

7-7 Communications Error Codes

The Inverter will detect a communications error if normal communications
fail or a message data error occurs.
The Inverter returns a response that consists of the Slave address, func-
tion 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 error
03 Hex Data number
error
21 Hex Data setting error The write data is not within the
Probable cause
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.
permissible range.
The data set is illegal and causes an
OPE (OPE1 through OPE9) error.
Chapter 7
Remedy
Check and
correct the
function code.
Check and
correct the correct the
register number. register number.
Check and
correct the
number of number of
registers or the registers or the
number of bytes.
Check the
display on the
Digital Operator Digital Operator
and correct the
data.
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