Siemens SINUMERIK 828D Function Manual page 418

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H2: Auxiliary function outputs to PLC

8.2 Predefined auxiliary functions

Output after motion

The traversing motions (path and/or block-related positioning axis movements) of the current part program

block end with an exact stop.

The auxiliary functions are output after completion of the traversing motions.

The block change is performed after acknowledgment of the auxiliary functions by the PLC:

Output duration one OB1 cycle (normal acknowledgment): after one OB1 cycle

Output duration one OB40 cycle (quick acknowledgment): after one OB40 cycle

Examples of different output behavior

The following figures illustrate the differing behavior regarding:

Output and acknowledgment of the auxiliary function

Spindle response (speed change)

Traverse movement (velocity change)

The binary values specified in the diagrams under "Output behavior" refer to the parameterized output behavior

Function Manual, 09/2011, 6FC5397-0BP40-2BA0

Basic Functions

Sinumerik 840d sl