Communication via PROFIBUS
Acyclic communication
4-136
E Siemens AG, 2004. All rights reserved
SINAMICS S120 Installation and Start-Up Manual, 12/04 Edition
Basic procedure
1. Create a request to write the parameters.
2. Invoke the request.
3. Evaluate the response.
Procedure
1. Create the request.
Parameter request Offset
Request header Request reference =
40 hex
Request ID = 02 hex 0 + 1
Axis = 02 hex No. of parameters =
04 hex
2 + 3
1st parameter address Attribute = 10 hex No. of elements = 01 hex 4 + 5
Parameter no. = 1055 dec 6
Subindex = 0 dec 8
2nd parameter address Attribute = 10 hex No. of elements = 01 hex 10 + 11
Parameter no. = 1056 dec 12
Subindex = 0 dec 14
3rd parameter address Attribute = 10 hex No. of elements = 01 hex 16 + 17
Parameter no. = 1058 dec 18
Subindex = 0 dec 20
4th parameter address Attribute = 10 hex No. of elements = 01 hex 22 + 23
Parameter no. = 1059 dec 24
Subindex = 0 dec 26
1st parameter value(s) Format = 07 hex No. of values = 01 hex 28 + 29
Value = 02D2 hex 30
Value = 0204 hex 32
2nd parameter value(s) Format = 07 hex No. of values = 01 hex 34 + 35
Value = 02D2 hex 36
Value = 0205 hex 38
3rd parameter value(s) Format = 08 hex No. of values = 01 hex 40 + 41
Value = 4396 hex 42
Value = 0000 hex 44
4th parameter value(s) Format = 08 hex No. of values = 01 hex 46 + 47
Value = 4416 hex 48
Value = 0000 hex 50