Danfoss VLT AutomationDrive FC 300 Design Manual page 169

FC 300 Design Guide
Bits no. 12-15 transfer parameter commands from master to slave and return processed slave responses to the master.
Parameter commands master ⇒ slave
Bit no.
15 14 13
0 0 0
0 0 0
0 0 1
0 0 1
1 1 0
1 1 1
1 1 1
Response slave ⇒master
Bit no.
15 14 13
0 0 0
0 0 0
0 0 1
0 1 1
1 1 1
If the command cannot be performed, the slave sends this response:
0111 Command cannot be performed
- and issues the following fault report in the parameter value (PWE):
PWE low (Hex)
0
1
2
3
4
5
11
82
83
Parameter command
12
0 No command
1 Read parameter value
0 Write parameter value in RAM (word)
1 Write parameter value in RAM (double word)
1 Write parameter value in RAM and EEprom (double word)
0 Write parameter value in RAM and EEprom (word)
1 Read/write text
Response
12
0 No response
1 Parameter value transferred (word)
0 Parameter value transferred (double word)
1 Command cannot be performed
1 text transferred
Fault Report
The parameter number used does not exit
There is no write access to the defined parameter
Data value exceeds the parameter's limits
The sub index used does not exit
The parameter is not the array type
The data type does not match the defined parameter
Data change in the defined parameter is not possible in the frequency converter's present mode. Certain parameters
can only be changed when the motor is turned off
There is no bus access to the defined parameter
Data change is not possible because factory setup is selected
MG.33.BA.02 - VLT ® is a registered Danfoss trademark
9. RS-485 Installation and Set-up
9
169