Siemens SINAMICS S120 Series - Page 63

Communication according to PROFIdrive
3.4 Acyclic communication
Communication
Function Manual, 12/2018, 6SL3097-5BD00-0BP0
61
● Attribute:
10 hex → The parameter values are read.
● Number of elements:
08 hex → The actual fault incident with eight faults is to be read.
● Parameter number:
945 dec → p0945 (fault code) is read.
● Subindex:
0 dec → Reading starts at index 0.
Initiate parameter request.
If ZSW1.3 = "1" → Initiate parameter request
Evaluate the parameter response.
Parameter response
Offset
Response header Request reference mirrored =
25 hex
Response ID = 01 hex 0 + 1
Axis mirrored = 02 hex
Number of parameters = 01 hex
2 + 3
Parameter value
Format = 06 hex
Number of values = 08 hex
4 + 5
1st value = 1355 dec 6
2nd value = 0 dec
8
...
...
8th value = 0 dec
20
Information about the parameter response:
● Request reference mirrored:
This response belongs to the request with request reference 25.
● Response ID:
01 hex → Read request positive, values stored as of 1st value.
● Axis mirrored, number of parameters:
The values correspond to the values from the request.
● Format:
06 hex → Parameter values are in the unsigned16 format.
● Number of values:
08 hex → Eight parameter values are available.
● 1st value ... 8th value
A fault is only entered in value 1 of the fault buffer for drive 2.