Example 1: Read Parameters - Siemens SINAMICS S120 Function Manual

Communication
10.1 Communication according to PROFIdrive
10.1.4.4

Example 1: read parameters

Requirements
● The PROFIdrive controller has been commissioned and is fully operational.
● PROFIdrive communication between the controller and the device is operational.
● The controller can read and write data sets in conformance with PROFIdrive DPV1.
Task description
Following the occurrence of at least one fault (ZSW1.3 = "1") on drive 2 (also drive object
number 2), the active fault codes must be read from the fault buffer r0945[0] ... r0945[7].
The request is to be handled using a request and response data block.
Basic procedure
1. Create a request to read the parameters.
2. Invoke the request.
3. Evaluate the response.
Create the request
Parameter request
Request header
Parameter address
714
Request reference = 25 hex
Axis = 02 hex
Attribute = 10 hex
Parameter no. = 945 dec
Subindex = 0 dec
Request ID = 01 hex
Number of parameters = 01 hex
Number of elements = 08 hex
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
Offset
0 + 1
2 + 3
4 + 5
6
8
Drive functions