Danfoss iC2, Application Manual

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Application Guide | iC2-Micro Frequency Converters
6.1.6.2.7
The PKE Field
The PKE field contains 2 subfields:
l
Parameter command and response (AK)
l
Parameter number (PNU)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
e3
0b
b
91
8.
10
PKE IND PWE
high
PWE
low
AK PNU
Pa
ra
m
et
er
co
m
m
an
ds
an
d
re
p
lie
s
Pa
ra
m
et
er
nu
m
b
er
Figure 60: PKE Field
Bits 12–15 transfer parameter commands from master to follower and return processed follower responses to the master.
Table 25: Parameter Commands
Parameter commands master->follower
Bit number 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 text.
Table 26: Response
Response follower->master
Bit number 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).
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