The Pke Field - Danfoss VLT AQUA Drive FC 200 Operating Instructions Manual

RS-485 Installation and Set...
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STX LGE

7.3.7 The PKE Field

The PKE field contains two sub-fields: Parameter command
and response AK, and Parameter number PNU:
7 7
AK
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Parameter commands master ⇒ slave
Bit no.
15 14
0 0
0 0
0 0
0 0
1 1
1 1
1 1
Response slave ⇒master
Bit no.
15 14
0 0
0 0
0 0
0 1
1 1
142
VLT AQUA Low Harmonic Drive Operating Instructions
ADR PKE IND
PKE IND PWE
high
PNU
Parameter command
13 12
0 0 No command
0 1 Read parameter value
1 0 Write parameter value in RAM (word)
1 1 Write parameter value in RAM (double word)
0 1 Write parameter value in RAM and EEprom (double word)
1 0 Write parameter value in RAM and EEprom (word)
1 1 Read/write text
Response
13 12
0 0 No response
0 1 Parameter value transferred (word)
1 0 Parameter value transferred (double word)
1 1 Command cannot be performed
1 1 text transferred
MG20T202 - VLT
Ch1 Ch2 Chn
Bits no. 12-15 transfer parameter commands from master
to slave and return processed slave responses to the
master.
PWE
low
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PCD1 PCD2 BCC