Standard functions
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Standard functions
This chapter describes the standard functions for the C80.
Setting the datum for each axis
Setting the zero
To zero one display at the current position, press the Select Key
by the axis to set it to zero.
All readings are now relative to this new zero point.
Using Zero redefines the datum. You cannot restore the old
datum.
Setting the preset
To preset one display to a known value:
1. Press [preset].
2. Press the Select Key by the axis to preset it.
3. Enter the value.
If you make a mistake while entering a number, you can press
[ce] to clear the entry one character at a time.
Recalling the last value
To quickly recall the last preset value for an axis:
1. Press [recall].
2. Press the Select Key to preset the axis.
All readings are now relative to this new value.
Digifind
If you lose a datum, either due to movement following a power
failure, or after you have entered a fixed point by mistake, you
can re-establish it using Digifind.
Using Digifind
The absolute datum for each axis should be marked
permanently on the machine.
1. Set the axis close to the marked datum, to within:
6.3mm (0.25”) for a Spherosyn encoder or
2.5mm (0.1”) for a Microsyn encoder.
2. Switch the C80 to Absolute Mode.
Digifind only works in absolute mode.
3. Press [ref].
4. Press the Select Key to restore the axis.
The display updates to show the exact distance from the datum.
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