EMS EM250 Series Operational And Installation Manual page 8

Professional digital readout system for manually operated machine tools
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Display shows:
"R OR D"
Function:
Used to set enable an axis so it can display in Diameter mode.
Setting an axis to "1" means that axis will display double (diameter) when the
is pressed in normal operating mode. This is important for Lathes where
position needs to relate to the part diameter.
Operation: Press the
The axes windows will display their current settings.
Press the axis key for the axis you want to change. e.g.
This will toggle through the available options: "0" or "1"
When set as required press the
Display shows: "LIN COMP"
Function:
This is used to setup a linear compensation factor for scales that may not be
mounted parallel to the axis of the machine.
THIS SHOULD ONLY BE USED WHERE OBVIOUS LINEAR ERRORS ARE OBSERVED
The function works by multiplying the measurement from the scale/encoder
by a constant factor in PPM
Example:
Operation: Press the
current settings. Press the axis key for the axis you want to change. e.g.
Enter the value using the numeric keys
You can change the sign of the compensation using the
Press the
Repeat for each axis.
When set as required press the
Display shows: "DIRECTE"
Function:
This is used to define the positive direction of travel for the machine axis
Operation: Press the
Press the axis key for the axis you want to change. e.g.
This will toggle between the options "0" and "1".
Setting to "1" will reverse the natural count direction from the scale.
When set as required press the
key to enter the function.
α
Scale measures 500.040 : True measurement is 500.000
error = 0.080mm over 1m, or 80PPM
key to enter the function. The axes windows will display the
key when you have finished entering the compensation value.
key to enter the function. The display will show "SEL AXIS".
key to return to the main setup menu
(Parts Per Million = microns/meter).
key again to return to the main setup menu
key to return to the main setup menu
- 6 -
Default: 0 (radius)
Default: 0.000
Measuring system and machine
axis of travel are not parallel
key
Default: 0

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