The Pke Field - Danfoss VLT AutomationDrive FC 300 Operating Instructions Manual

RS-485 Installation and Set...
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STX LGE ADR PKE
Illustration 7.8

7.3.7 The PKE Field

The PKE field contains two sub-fields: Parameter command
and response AK, and Parameter number PNU:
PKE IND
AK PNU
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Illustration 7.9
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
Table 7.4
Response slave ⇒master
Bit no.
15 14 13
0 0 0
0 0 0
0 0 1
0 1 1
1 1 1
Table 7.5
VLT Automation Low Harmonic Drive Operating Instructions
IND Ch1 Ch2
PWE PWE
high low
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
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Chn PCD1
Bits no. 12-15 transfer parameter commands from master
to slave and return processed slave responses to the
master.
PCD2 BCC
135
7 7