Switch Off (Trailof); Effectiveness Of Plc Interface Signals - Siemens SINUMERIK 840D sl Function Manual

Special functions

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Switch off (TRAILOF)

Switch off of the coupling of a coupled-motion axis with a leading axis takes place through the

TRAILOF part program command.

motion axis:

Leading axis:

TRAILOF(V,Y)

Independent coupled motion axis

All the associated channel and axis specific interface signals of the coupled-motion axis are

effective for the independent motion of a coupled-motion axis, e.g.:

DB21, ... DBX0.3 (Activate DRF)

DB31, ... DBX0.0 - 0.7 (feed offset)

DB31, ... DBX1.3 (axis blocking)

DB31, ... DBX2.1 (control system enable)

DB31, ... DBX4.0 - 4.2 (activate handwheel)

DB31, ... DBX4.3 (feed stop)

Special Functions

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

TRAILON(<coupled motion axis>, <leading axis>)

or (in abbreviated form):

TRAILOF(<coupled-motion axis>)

Range of values:

All defined axis and spindle identifiers in the channel

Range of values:

All defined axis and spindle identifiers in the channel

; Switch off of the coupling between the coupled-motion axis

V and leading axis Y.

M3: Coupled axes

5.1 Coupled motion

Sinumerik 840de sl