6.3.3.4
Parameter channel
Overview
The parameter channel allows parameter values to be cyclically read and written to.
6XELQGH[
3DJHLQGH[
3.(VWZRUG
3DUDPHWHUFKDQQHO
3:(UGDQGWKZRUGV
,1'QGZRUG
3:(
3:(
$.
318
6
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 6-9
Request identifiers, control → converter
AK
Description
Response identifier
positive negative
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 (field)
1)
4 / 5
7 / 8
7
2)
Change parameter value (field, word)
1)
4
7 / 8
8
2)
Change parameter value (field, double word)
1)
5
7 / 8
9
Request number of field elements
6
7 / 8
1)
The required element of the parameter is specified in IND (2nd word).
2)
The following request IDs are identical: 1 ≡ 6, 2 ≡ 7 and 3 ≡ 8.
We recommend that you use identifiers 6, 7 and 8.
Advanced commissioning
6.3 Drive control
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
213