Siemens SINAMICS G120 Operating Instructions Manual page 335

Figure A-6
Explanation of FC 3
Table A- 10
Data block DB 3
Header
Address,
parameter 1
Values,
parameter 1
SFC 58 copies the specifications for the parameters to be written from DB 3 and sends them
to the converter. No other write requests are permitted while this one is being processed.
SINAMICS G120C frequency converter
Operating Instructions, 03/2012, FW V4.5, A5E02999804B AB
Writing parameters
Request to change parameters
Byte n
MB 42
Reference
01 hex
10 hex: Parameter value
Parameter number
Number of the 1st index
MB 25
Format
Value of 1st index
Bytes n + 1
02 hex: Change request
Number of parameters
Number of indices
MW 21
MW 23
Number of index values
MW35
Appendix
A.3 Application examples
MB 44
00 hex
MB 27
10
12
333
n
0
2
4
6
8