8.6.3 Parameter channel
Overview
The parameter channel allows parameter values to be cyclically read and written to.
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3.(VWZRUG
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3:(UGDQGWKZRUGV
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3:(3:(
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3
0
Structure of the parameter channel:
• PKE (1st word)
– Type of task (read or write).
– Bit 11 is reserved and is always assigned 0.
– Parameter number
• IND (2nd word)
– Parameter index
• PWE (3rd and 4th word)
– Parameter value
Function description
AK: Request and response ID
Table 8-23 Request identiers, control → converter
AK Description Response identier
positive nega‐
tive
0 No request 0 7 / 8
1 Request parameter value 1 / 2 7 / 8
2 Change parameter value (word) 1 7 / 8
3 Change parameter value (double word) 2 7 / 8
4 Request descriptive element
1)
3 7 / 8
6
2)
Request parameter value (eld)
1)
4 / 5 7 / 8
7
2)
Change parameter value (eld, word)
1)
4 7 / 8
8
2)
Change parameter value (eld, double word)
1)
5 7 / 8
9 Request number of eld elements 6 7 / 8
1)
The required element of the parameter is specied in IND (2nd word).
2)
The following request IDs are identical: 1≡6, 2≡7 and 3≡8.
We recommend that you use identiers 6, 7 and 8.
Advanced commissioning
8.6Drive control via PROFIBUS or PROFINET
SINAMICS G120C Converters
218 Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK
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