Siemens SINAMICS G120P - Page 46

Communication via PROFIBUS and PROFINET
3.2 PROFIDRIVE profile - Acyclic communication
Fieldbuses
44 Function Manual, 04/2018, FW V4.7 SP10, A5E34229197B AE
Changing parameter values
Table 3- 9 Request to change parameters
Data block
Byte n
Bytes n + 1
n
Header
Reference 00 hex ... FF hex
02 hex: Change request
0
01 hex
(ID of drive objects, at G120 al-
ways = 1)
Number of parameters (m)
01 hex ... 27 hex 2
Address, parameter 1
10 hex
: Parameter value
Number of indices
00 hex ... EA hex
(00 hex and 01 hex are equivalents)
4
Parameter number
0001 hex ... FFFF hex 6
Number of the 1st index 0001 hex ... FFFF hex
8
…
…
Address, parameter 2
…
…
…
…
Address, parameter m
…
Values, parameter 1
Format
02 hex: Integer 8
03 hex:
Integer 16
04 hex:
Integer 32
05 hex:
Unsigned 8
06 hex:
Unsigned 16
07 hex:
Unsigned 32
08 hex:
Floating Point
0A hex:
Octet String
0D hex:
Time Difference
34 hex
: TimeOfDay without date indication
35 hex : TimeDifference with date indication
36 hex : TimeDifference without date indication
41 hex: Byte
42 hex:
Word
43 hex: Double word
Number of index values
00 hex ... EA hex
Value of the 1st index
…
Values, parameter 2
…
…
…
Values, parameter m
…
Table 3- 10 Response, if the inverter has executed the change request
Data block
Byte n
Bytes n + 1
n
Header
Reference (identical to a change request)
02 hex (change request successful)
0
01 hex
(ID of drive objects, at G120 al-
ways = 1)
Number of parameters
(identical to a change
request)
2