Siemens SIMATIC ET 200pro Series Operating Instructions Manual page 251

Figure A-2
Explanation of FC 3
Table A- 4
Data block DB 3
Header
Address, parame-
ter 1
Values, parame-
ter 1
SFC 58 copies the specifications for the parameters to be written from DB 3 and sends them
to the inverter. The inverter blocks other write jobs while this write job is running.
SIMATIC ET 200pro FC-2 converter
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257324B AE
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 the 1st index
Bytes n + 1
02 hex: Change request
Number of parameters
Number of indexes
MW 21
MW 23
Number of index values
MW35
Appendix
A.1 STEP 7 program examples
MB 44
00 hex
MB 27
n
0
2
4
6
8
10
12
251