Siemens SINAMICS G130 Operating Instructions Manual page 228

Operation
6.6 Communication according to PROFIdrive
Description of fields in the parameter request and response
Table 6- 14 Fields in the parameter request and response
Field
Request reference
Request ID
Response ID
Drive object
number
Number of parameters
Attribute
Number of elements
Parameter number
Subindex
228
Data type
Unsigned8
Unique identification of the request/response pair for the master. The master changes the
request reference with each new request. The slave mirrors the request reference in its
response.
Unsigned8
Specifies the type of request.
In the case of a write request, the changes are made in a volatile memory (RAM). A save
operation is needed in order to transfer the modified data to the non-volatile memory
(p0971, p0977).
Unsigned8
Mirrors the request ID and specifies whether request execution was positive or negative.
Negative means:
Cannot execute part or all of request.
The error values are transferred instead of the values for each subresponse.
Unsigned8
Setting for the drive object number of a drive unit with more than one drive object. Different
drive objects with separate parameter number ranges can be accessed via the same DPV1
connection.
Unsigned8
Defines the number of following areas for the parameter address and/or parameter value
for multi-parameter requests.
The number of parameters = 1 for single requests.
Unsigned8
Type of parameter element accessed.
Unsigned8
Number of array elements accessed.
Unsigned16
Addresses the parameter to be accessed.
Unsigned16
Addresses the first array element of the parameter to be accessed.
Values
0x01 ... 0xFF
0x01 Read job
0x02 Write job
0x01 Read job(+)
0x02 Write job(+)
0x81 Read job(-)
0x82 Write job(-)
0x00 ... 0xFF Number
0x01 ... 0x27 No. 1 ... 39
Limited by DPV1 telegram length
0x10 Value
0x20 Description
0x30 Text (not implemented)
0x00 Special function
0x01 ... 0x75 No. 1 ... 117
Limited by DPV1 telegram length
0x0001 ... 0xFFFF No. 1 ... 65535
0x0000 ... 0xFFFF No. 0 ... 65535
Operating Instructions, 07/2016, A5E00331449A
Comment
Inverter chassis units