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Danfoss vlt aqua Design Guide

Danfoss vlt aqua
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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
7 RS-485 Installation and Set-up VLT
®
AQUA Drive Design Guide
7-8
MG.20.N5.22 - VLT
®
is a registered Danfoss trademark
7

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Danfoss vlt aqua Specifications

General IconGeneral
Supply Voltage200-240V, 380-500V, 525-600V
EnclosureIP20
FeaturesEnergy optimization
ApprovalsCE, UL, cUL
Input Voltage Range200-240V, 380-500V, 525-600V
Output Voltage Range0 to supply voltage
Protection FeaturesOvervoltage, Undervoltage, Overcurrent, Short circuit, Ground fault
Communication InterfacesPROFIBUS
Cooling MethodAir-cooled

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