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INVERTER PROFIBUS DATA WORD DEFINITION
5.1 Word 1 (PKE)
Bits
0-10
PNU
11
12-15
AK
REMARKS
See page 51 for more information regarding communication coordination.
Id
Parameter Number (PNU).
Together, the PNU and the IND (word 2 of the
PROFIBUS Profile) define which data word is being
accessed. Parameters that can be accessed are
listed on page 24.
Not used and must be set to 0.
Task or response Id value.
For task telegrams from the network master to the
slave, i.e. Cmd_Req, the AK can assume the
following values:
0h
= no task
1h
= request parameter value, read
2h
= change parameter value (word), write
3h~Fh
= not supported
For task telegrams from the slave to the network
master, i.e. Cmd_Rsp, the AK can assume the
following values:
0h
= inverter busy. No data returned by
1h
= inverter ready to accept data
2h~6h
= not supported
7h
= task cannot be executed (error number
8h
= no operation change rights
9h~Fh
= not supported
Definition
inverter
transmission
placed in PWE, word 4 of the PROFIBUS
Profile)
18
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