CHINSC ELECTRIC SVF-MN Series, Руководство по эксплуатации

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Chapter 6 Communication Protocol SVF-MN Series Frequency Inverter Operation Manual
146
Slave
address Function
code Parameter
address
high byte Parameter
address
low byte Data
high
byte Data
low
byte CRC
Parity
bit
high
byte CRC
Parity
bit
low
byte
01 06 80 0B 01 2C D1 85
6.3.5 Abnormal Responding Function Code
（ 1 ） Abnormal responding form
For the normal response, the frequency inverter responds the
feedback data to upper machine according to the above form.
For the abnormal response, the frequency inverter return to the
abnormal response form as follows;
Slave
address Function code
+80H
Abnormal
code
CRC Parity
bit high
byte
CRC
Parity bit
high byte
（
2
）
The meaning of abnormal code
：
Modbus abnormal code
Code Name Meaning
01H
Illegal
The received function code from PC is not
allowed operation
； the slave device handles