Defining interpolator functionalities (P-CHAN-00650)

P-CHAN-00650

Definition of interpolator functionalities

Description

This parameter defines individual functionalities and the size of the look-ahead buffer in the interpolator, i.e. it defines the number of blocks required to calculate deceleration distance and dynamic planning.

Parameter

configuration.interpolator.function

Data type

STRING

Data range

See Defining interpolator functionalities (P-CHAN-00650)

Dimension

----

Default value

FCT_IPO_DEFAULT

Remarks

 

Interpolation function table

Identifier

Description

FCT_IPO_DEFAULT

FCT_LOOK_AHEAD_STANDARD

FCT_LOOK_AHEAD_LOW

30 blocks

FCT_LOOK_AHEAD_STANDARD

120 blocks

FCT_LOOK_AHEAD_HIGH

190 blocks

FCT_LOOK_AHEAD_CUSTOM

Any number of look-ahead blocks in the interval [ 0; 200]. Specification by parameter P-CHAN-00653.

FCT_SYNC

Synchronisation of an axis on a path group.
Example: FCT_IPO_DEFAULT | FCT_SYNC

FCT_LOOK_AHEAD_OPT

The path velocity curve can be further improved for HSC machining by additional calculations. This generally reduces machining time. The additional calculations place greater demands on the controller hardware.

FCT_LIFT_UP_TIME

Automatic lifting/lowering of an axis (time-based coupling).
Example: FCT_IPO_DEFAULT | FCT_LIFT_UP_TIME

FCT_SHIFT_NCBL

Path-controlled offset of M functions (dwell time).
Example: FCT_IPO_DEFAULT | FCT_SHIFT_NCBL

FCT_CALC_STATE_AT_T

Calculation of path velocity at a time in the future. Function only available in combination with HSC slope and only as of V3.1.3057.0
Example: FCT_IPO_DEFAULT
| FCT_CALC_STATE_AT_T

FCT_CALC_TIME

Calculation of interpolation time to next feed block (G01,G02,G03).
Example: FCT_IPO_DEFAULT | FCT_CALC_TIME

FCT_CONTOUR_LAH

Contour look-ahead: advance output of motion blocks to the PLC
as of V3.1.3104.07

FCT_DYN_POS_LIMIT

Dynamic limitation of axis positions

FCT_EXTENSION_EQUIDIST

Die-sinking EDM Planetary expansion

The look-ahead buffer size values specified above apply as of CNC Builds V2.11.2800 and higher; the following settings apply to CNC Build V2.11.20xx:

FCT_LOOK_AHEAD_LOW

30 blocks

FCT_LOOK_AHEAD_STANDARD

70 blocks

FCT_LOOK_AHEAD_HIGH

120 blocks