Siemens SINAMICS S120 Function Manual page 665

Create the request
Parameter request
Request header
Parameter address
Information about the parameter request:
● Request reference:
● Request ID:
● Axis:
● Number of parameters:
● Attribute:
● Number of elements:
● Parameter number:
● Subindex:
Initiate parameter request.
If ZSW1.3 = "1" → Initiate parameter request
Drive functions
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
Request reference = 25 hex
Axis = 02 hex
Attribute = 10 hex
Parameter no. = 945 dec
Subindex = 0 dec
The value is selected at random from the valid value range. The request reference
establishes the relationship between request and response.
01 hex → This identifier is required for a read request.
02 hex → Drive 2, fault buffer with drive- and device-specific faults.
01 hex → One parameter is read.
10 hex → The parameter values are read.
08 hex → The actual fault incident with eight faults is to be read.
945 dec → p0945 (fault code) is read.
0 dec → Reading starts at index 0.
11.1 Communication according to PROFIdrive
Request ID = 01 hex
Number of parameters = 01 hex
Number of elements = 08 hex
Communication
Offset
0 + 1
2 + 3
4 + 5
6
8
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