INVT Goodrive 35 Series Operation Manual page 283

inverters
Goodrive35
fieldbus ratio values.
The fieldbus ratio values are referred to the radix point of the setting range or default value in
the function parameter list. If there are figures behind the radix point (n=1), then the fieldbus
n
10
ratio value m is . Take the table as the example:
If there is one figure behind the radix point in the setting range or the default value, then the
fieldbus ratio value is 10. if the data received by the upper monitor is 50, then the
"hibernation restore delay time" is 5.0 (5.0=50÷10).
If Modbus communication is used to control the hibernation restore delay time as 5.0s.
Firstly, 5.0 can be magnified by 10 times to integer 50 (32H) and then this data can be sent.
After the inverter receives the command, it will change 50 into 5 according to the fieldbus
ratio value and then set the hibernation restore delay time as 5s.
Another example, after the upper monitor sends the command of reading the parameter of
hibernation restore delay time ,if the response message of the inverter is as following:
Because the parameter data is 0032H (50) and 50 divided by 10 is 5, then the hibernation
restore delay time is 5s.
10.4.6 Fault message response
There may be fault in the communication control. For example, some parameter can only be
read. If a writing message is sent, the inverter will return a fault response message.
The fault message is from the inverter to the master, its code and meaning is as below:
Code Name
Illegal
01H
command
The command from master can not be executed. The reason
maybe:
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Communication protocol
Meaning