Siemens sinamics dcp - 7.4.6.1 PROFINET-based diagnostics

Operation
7.4 Communication according to PROFIdrive
SINAMICS DCP
212 Operating Instructions, 09/2019, A5E34382853K
7.4.6.1 PROFINET-based diagnostics
For PROFINET, to transfer PROFIdrive message classes, channel diagnostics (Channel
Diagnosis) are used (see PROFINET IO specification (http://www.profibus.com)).
A message always comprises the following components in this specific sequence:
● Block Header (6 Byte)
– Blocktype
– Blocklength
– BlockversionHigh
– BlockversionLow
● API (4 Byte)
● Slot Number (2 Byte)
● Sub Slot Number (2 Byte)
● Channel Number (2 Byte)
● Channel Properties (0x8000) (2 Byte)
● User Structure Identifier (2 Byte)
● Channel Diagnosis Data (6 Byte)
– Channel Number (2 Byte)
– Channel Properties (2 Byte)
– Channel Error Type (2 Byte)
Additional information
● Message components (Page 213)
● System response - reading out diagnostics data (Page 214)