Auxiliary Function Output To The Plc - Siemens SINUMERIK 828D Function Manual

8.9

Auxiliary function output to the PLC

Function
On output of an auxiliary function to the PLC, the following signals and values are passed to the NC/PLC
interface:
• change signals
• "Address extension" parameter
• "Value" parameter
Data areas in the NC/PLC interface
The change signals and values of the auxiliary functions are within the following data areas in the NC/PLC
interface:
• Change signals for auxiliary function transfer from NC channel:
DB21, ... DBB58 - DBB67
• Transferred M and S functions:
DB21, ... DBB68 - DBB112
• Transferred T, D and DL functions:
DB21, ... DBB116 - DBB136
• Transferred H and F functions:
DB21, ... DBB140 - DBB190
• Decoded M signals (M0 - M99):
DB21, ... DBB194 - DBB206 (dynamic M functions)
References
• A detailed description of the above data areas in the NC/PLC interface can be found in:
Parameter Manual, Lists, Book 2; chapter: "Signals from/to NCK channel (DB 21 – DB 30)"
• The access methods for the NC/PLC interface are described in:
Function Manual, Basic Functions, Basic PLC Program (P3)
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
H2: Auxiliary function outputs to PLC
8.9 Auxiliary function output to the PLC
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