Siemens SINUMERIK 840D sl Function Manual page 527

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Auxiliary function output to the PLC

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

NC/PLC interface

The change signals and values of the auxiliary functions are within the following data range

in the NC/PLC interface:

• Change signals for auxiliary function transfer from NC channel:

• Transferred M and S functions:

• Transferred T, D and DL functions:

• Transferred H and F functions:

• Decoded M signals (M0 - M99):

A detailed description of the NC/PLC interface is to be found in:

/LIS1/ Lists (Book1); signals from/to channel (DB21 – DB30)

The access methods for the NC/PLC interface are described in:

/FB1/ Function Manual, Basic Functions, Basic PLC Program (P3)

Basic logic functions: Auxiliary Function Output to PLC (H2)

Function Manual, 11/2006, 6FC5397-0BP10-2BA0

DB21, ... DBB58 - DBB67

DB21, ... DBB68 - DBB112

DB21, ... DBB116 - DBB136

DB21, ... DBB140 - DBB190

DB21, ... DBB194 - DBB206 (dynamic M functions)

Detailed description

2.6 Auxiliary function output to the PLC

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