Parameter Channel - Siemens SINAMICS G120 Operating Instructions Manual
Low voltage inverters
built-in units with cu250s-2 control units and
encoder evaluation
Hide thumbs
Also See for SINAMICS G120:
- List manual (1256 pages) ,
- Manual (732 pages) ,
- Operating instructions manual (550 pages)
Table of Contents
Advanced commissioning
6.5 Drive control via PROFIBUS or PROFINET
6.5.9
Parameter channel
Structure of the parameter channel
The parameter channel consists of four words. The 1st and 2nd words transfer the parameter
number, index and the type of task (read or write). The 3rd and 4th words contain the parameter
content. The parameter contents can be 16-bit values (such as baud rate) or 32-bit values
(e.g. CO parameters).
Bit 11 in the 1st word is reserved and is always assigned 0.
You can find application examples relating to the parameter channel at the end of this section.
AK: Request and response IDs
Bits 12 ... 15 of the 1st The parameter channel words contain the request and response
identifier AK.
Table 6-25
AK
0
1
2
3
4
6
2)
7
2)
8
2)
9
The required element of the parameter is specified in IND (2nd word).
1)
The following request IDs are identical: 1 ≡ 6, 2 ≡ 7 3 ≡ 8.
2)
We recommend that you use identifiers 6, 7, and 8.
Table 6-26
AK
0
1
2
198
Request identifiers, control → inverter
Description
No request
Request parameter value
Change parameter value (word)
Change parameter value (double word)
Request descriptive element
Request parameter value (field)
Change parameter value (field, word)
Change parameter value (field, double word)
Request number of field elements
Response identifiers, inverter → control
Description
No response
Transfer parameter value (word)
Transfer parameter value (double word)
1)
1)
1)
1)
Converter with the CU250S-2 Control Units
Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG
Response identifier
positive
negative
0
7 / 8
1 / 2
7 / 8
1
7 / 8
2
7 / 8
3
7 / 8
4 / 5
7 / 8
4
7 / 8
5
7 / 8
6
7 / 8
Table of Contents
