Exceptional Response - Omron 3G3MX2 User Manual

Exceptional Response

The master requests the response for a query other than broadcast or broadcast to each
group. Though the Inverter should return a response corresponding with the query, it returns
an exceptional response if the query has an error.
The exceptional response has the field configuration shown in the following table.
Slave address
Parameter No.
Exceptional code
Error check
The detailed field configuration is shown in the table below. The Parameter No. of the
exceptional response will be the value of the query Parameter No. to which 80h is added. The
exceptional code shows the cause of exceptional response.
Exceptional
* UV: During undervoltage
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-A@@@@)
Field Configuration
Parameter No.
Query Exceptional response
01h 81h
03h 83h
05h 85h
06h 86h
0Fh 8Fh
10h 90h
17h 97h
code
01h Specified an unsupported function.
02h Specified address does not exist.
03h Specified data has an unacceptable format.
21h Data is out of setting range for writing into the holding register.
The Inverter does not allow this function.
Has attempted to change the register that cannot be changed
during operation.
Has issued the enter command during operation (UV*).
Has written into the register during trip (UV*).
Has written into a soft-locked register.
22h
Has attempted to change an I/O terminal that cannot be changed.
Has attempted to change the contact type of the RS (reset)
allocation terminal.
Has attempted to write into a register when auto-tuning was
enabled.
Has attempted to write into a locked register while a password was set.
23h Has written into the read-only register (coil).
6-5 Explanation of Each Parameter No.
Description
6
6-18