Parameters

P-AXIS-00328

Activates the distance control functionality

Parameter

lr_param.distance_control_on

Description

This functionality must always be activated in the axis configuration to be able to activate distance control at all via the NC program.

Data type

BOOLEAN

Data range

TRUE / FALSE

Dimension

Translatory: -

Rotatory: -

Default

FALSE

Remarks

-

P-AXIS-00413

Filtering of sensor values for distance control

Parameter

kenngr.distc.n_cycles

Description

In some cases, the sensor values are noisy. To keep excitation of the machine low, the setpoints for distance control can be smoothed via an average filter.

Data type

UNS32

Data range

0 <= value < 10

Dimension

Translatory: -

Rotatory: -

Default

4

Remarks

-

P-AXIS-00414

Maximum position offset by distance control

Parameter

kenngr.distc.max_deviation

Description

The correction value of the axis that has been calculated via distance control must not exceed this machine data item.

An error message is issued if this value is exceeded. The correction value is limited.

Data type

UNS32

Data range

0 <= value < MAX_UNS32

Dimension

Translatory: 0.1µm

Rotatory: 1/10000°

Default

50000,is equivalent to5 mm

Remarks

-

P-AXIS-00415

Maximum speed at which a position offset is travelled out

Parameter

kenngr.distc.v_max

Description

Correction of the distance is limited dynamically with respect to the maximum speed to limit the resulting excitation.

Data type

UNS32

Data range

0 <= value < MAX_UNS32

Dimension

Translatory: 1/1000 mm/s

Rotatory: 1/1000°/s

Default

5000,is equivalent to5 mm/s

Remarks

-

P-AXIS-00416

Maximum acceleration at which a position offset is travelled out

Parameter

kenngr.distc.a_max

Description

Correction of the distance is limited dynamically with respect to the maximum acceleration to limit the resulting excitation. If no acceleration is specified, the maximum axis acceleration is used automatically (see P-AXIS-00008)

Data type

UNS32

Data range

0 <= value < MAX_UNS32

Dimension

Translatory: 1 mm/s^2

Rotatory: 1°/s^2

Default

0, the maximum axis acceleration is used (see P-AXIS-00008)

Remarks

-

P-AXIS-00417

Maximum permissible change of the measured distance within one cycle

Parameter

kenngr.distc.max_act_value_change

Description

After activation of distance control, the sensor's actual values are monitored for change. Actual value detection problems can be detected by setting a maximum value.

Data type

UNS32

Data range

0 <= value < MAX_UNS32

Dimension

Translatory: 0.1µm

Rotatory: 1/10000°

Default

5000,is equivalent to0.5 mm

Remarks

-

P-AXIS-00418

Reference point offset for distance control measuring system

Parameter

kenngr.distc.ref_offset

Description

The value range of the sensor measuring system can be moved by an offset via this machine data item. This is necessary in the case of absolute position sensors, for example, to define the reference point, i.e. the sensor position that sets in if the spindle touches the ideal workpiece surface.

Data type

UNS32

Data range

0 <= value < MAX_UNS32

Dimension

Translatory: 0.1µm

Rotatory: 1/10000°

Default

0, no position offset

Remarks

-

P-AXIS-00419

Upper limit for measuring system

Parameter

kenngr.distc.max_pos

Description

The following value defines the upper limit of the sensor. An error message is generated if it is exceeded while distance control is active.

Data type

UNS32

Data range

0 <= value < MAX_UNS32

Dimension

Translatory: 0.1µm

Rotatory: 1/10000°

Default

50000,is equivalent to5 mm

Remarks

-

P-AXIS-00420

Lower limit for measuring system

Parameter

kenngr.distc.min_pos

Description

The following value defines the lower limit of the sensor. An error message is generated if it is exceeded while distance control is active.

Data type

UNS32

Data range

0 <= value < MAX_UNS32

Dimension

Translatory: 0.1µm

Rotatory: 1/10000°

Default

-50000,is equivalent to- 5 mm

Remarks

-

P-AXIS-00421

Tolerance band for limits

Parameter

kenngr.distc.tolerance

Description

Recording of actual values always returns changing values. Due to the tolerance band, values are also permissible that might be outside the configured limits. An error message is not generated.

Data type

UNS32

Data range

0 <= value < MAX_UNS32

Dimension

Translatory: 0.1µm

Rotatory: 1/10000°

Default

0,is equivalent to0 mm

Remarks

-

P-AXIS-00428

Consideration of distance control in software limit switch monitoring

Parameter

kenngr.distc.check_sw_limit_switch

Description

This parameter defines, whether the calculated offset of distance control is considered in software limit switch monitoring (see [Software limit switches])

Data type

BOOLEAN

Data range

TRUE / FALSE

Dimension

Translatory: -

Rotatory: -

Default

FALSE, offset of distance control is not considered in software limit switch monitoring.

Remarks

-

P-AXIS-00422

Distance resolution of the sensor measuring system (numerator)

Parameter

lr_hw[1].encoder_resolution_num

Description

The sensor measuring system's distance resolution is specified as the quotient P-AXIS-00422/P-AXIS-00423 in the [increments/0.1µm] dimension for translatory axes or [increments/10^-4°] for rotational axes. The number of sensor increments must be specified in P-AXIS-00422.

Data type

UNS32

Data range

0 <= value < MAX_UNS32

Dimension

Translatory: increments

Rotatory: increments

Default

1

Remarks

-

P-AXIS-00423

Distance resolution of the sensor measuring system (denominator)

Parameter

lr_hw[1].encoder_resolution_denom

Description

The sensor measuring system's distance resolution is specified as the quotient P-AXIS-00422/P-AXIS-00423 in the [increments/0.1µm] dimension for translatory axes or [increments/10^-4°] for rotational axes. The amount of the travel range must be specified in P-AXIS-00423.

Data type

UNS32

Data range

0 <= value < MAX_UNS32

Dimension

Translatory: 0.1µm

Rotatory: 1/10000°

Default

1

Remarks

-

P-AXIS-00230

Sign reversal of the sensor values

Parameter

lr_hw[1].vz_istw

Description

The sign of the sensor's encoder values can be inverted with this parameter

Data type

BOOLEAN

Data range

TRUE/FALSE

Dimension

Translatory: -

Rotatory: -

Default

FALSE

Remarks

FALSE = no inversion, TRUE = sign inversion of actual sensor values

P-AXIS-00424

Definition of the sensor value range

Parameter

lr_hw[1].mode_act_pos

Description

In this parameter you can define whether the sensor positions are to be considered as linear or modulo values. By default, it can be handled according to the axis type, or an individual default can be defined. When sensor values are handling according to the set axis type (see P-AXIS-00018), values are considered in a linear fashion for the TRANSLATOR axis type, while modulo handling applies to the ROTATOR axis type.

Data type

BOOLEAN

Data range

0 / 1 / 2

Dimension

Translatory: -

Rotatory: -

Default

0

Remarks

0: according to axis type (default)
1: linear
2: modulo

Parameter example

kenngr.distc.n_cycles              10 # Cycle number, moving average filter probing sensor 
kenngr.distc.max_deviation         2000000 # [0.1µm] Max. permissible deviation
kenngr.distc.v_max                 1000 # [µm/s] Max. velocity of distance control
kenngr.distc.a_max                 5000 # [mm/s2] Max. acceleration
kenngr.distc.max_act_value_change  5000000 # Max. change of sampling signal/cycle
kenngr.distc.ref_offset            0 # Offset reference point
kenngr.distc.max_pos               1000000 # [0.1µm] Max. position
kenngr.distc.min_pos               -1000000 # [0.1µm] Min. position
kenngr.distc.tolerance             50000 # [0.1µm] Tolerance value of probing depth
kenngr.distc.check_sw_limit_switch 1 # Check dist. ctrl off. in sw. limit monit.