Danfoss vlt aqua Instruction

7.4.7 The PKE Field
The PKE field contains two sub-fields: Parameter command and response AK, and Parameter number PNU:
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. Parameter command
15 14 13 12
0 0 0 0 No command
0 0 0 1 Read parameter value
0 0 1 0 Write parameter value in RAM (word)
0 0 1 1 Write parameter value in RAM (double word)
1 1 0 1 Write parameter value in RAM and EEPROM (double word)
1 1 1 0 Write parameter value in RAM and EEPROM (word)
1 1 1 1 Read/write text
Response slave ⇒master
Bit no. Response
15 14 13 12
0 0 0 0 No response
0 0 0 1 Parameter value transferred (word)
0 0 1 0 Parameter value transferred (double word)
0 1 1 1 Command cannot be performed
1 1 1 1 text transferred
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):
7 RS-485 Installation and Set-up
VLT AQUA Low Harmonic Drive Instruction
Manual
7-8 MG.20.T1.22 - VLT
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7

Danfoss vlt aqua Specifications

General

Brand	Danfoss
Model	vlt aqua
Category	DC Drives
Language	English