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June 22, 2023
LTF Time Of Flight Laser Distance Sensor Instruction Manual
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Switch Point Reference (SPtRef)
The SPtRef menu only displays for a discrete output when it is set to switch mode. This setting cannot be changed with re-
mote teach.
Object (default). Object mode automatically optimizes the switching threshold just past the taught distance, farther
away from the sensor's face.
Background. Background mode automatically optimizes the switching threshold just in front of the taught distance,
closer to the sensor's face.
Custom. Custom mode allows the user to define the location of the switching threshold relative to a taught distance
using the Offset menu that appears only after selecting Custom Switch Point Reference.
In Object or Background , the distance between the taught surface and the switching threshold varies depending on measure-
ment stability. Use object mode when teaching an object if a change in state is required when the object is no longer present.
Use background mode when teaching background so that the output state changes when a new object is in front of the back-
ground.
Navigate : MENU › D_OUT › SPtRef
Remote Input : Not available
Default : Object
Switch Point TEACH Offset
Use this menu to set an offset from the taught distance after a switch point TEACH, if SPtRef is set to Custom.
By default, the value is 0 mm. A positive offset value always shifts the threshold towards the sensor.
Navigate: MENU › D_OUT › TchMd › Offset
Remote Input: Not available
Default: 0 mm
Switch Point Hysteresis
With the default setting of AUTO, the hysteresis value applied at each threshold is automatically calculated and set based on
target, distance and measurement repeatability, with a 10 mm minimum setting.
By default, the hysteresis is applied away from the sensor. Changing the SPt Ref setting from Object to Background changes
the direction of the hysteresis.
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Pulses Mode
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