Request And Response Ids; Request Identifier; Request And Response Ids Are Written In Bits 12 To 15 Of The First Word Of The Parameter; Channel. The Possible Identifiers And Further Explanations Can Be Found In The Following - Siemens SINAMICS G120 Operating Instructions Manual

Configuring the fieldbus
8.4 Communication via RS485

Request and response IDs

Request and response IDs are written in bits 12 to 15 of the first word of the parameter

channel. The possible identifiers and further explanations can be found in the following

tables.
Overview of the request identifiers control → converter
Table 8- 20
Request
identifier
0
1
2
3
4
6
2)
7
2)
8
2)
9
1)
2)
Overview of the response identifiers converter → control
The response identifier depends on the request identifier.
Table 8- 21
Response
identifier
0
1
2
3
4
5
6
7
8

1) The required element of the parameter is specified in IND (2nd word).

2) The required element of the indexed parameter is specified in IND (2nd word).
114
Request identifiers control → converter
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

The required element of the parameter is specified in IND (2nd word).
The following request IDs are identical: 1 ≡ 6, 2 ≡ 7 3 ≡ 8.
We recommend that you use identifiers 6, 7, and 8.
Response identifiers converter → control
Description
No response
Transfer parameter value (word)
Transfer parameter value (double word)
Transfer descriptive element
Transfer parameter value (field, word)
Transfer parameter value (field, double word)
Transfer number of field elements
Request cannot be processed, task cannot be executed (with error number)
No master controller status / no authorization to change parameters of the parameter
channel interface
1)
1)
1)
1)
1)
2)
2)
Operating Instructions, 03/2012, FW V4.5, A5E02999804B AB
Response identifier
positive
0
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
SINAMICS G120C frequency converter
negative
7 / 8