Delta MMC120 User Manual Page 36

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36
11. Under Second position, click Use Current.
12. Under Extend/Retract Limits, choose how you wish to have the limits set:
If you had the extend and retract limits set correctly, click Use current limits,
adjusted for new Scale and Offset to adjust the limits for your new Scale and
Offset.
If the points you used for the two positions are your limits, click Set limits to
above positions.
Otherwise, click Set limits to the following values, and type the limits in the
edit boxes.
13. Click Apply, which sets the Scale, Offset, the Prescale Divisor bits of the
Configuration word, Extend Limit,andRetract Limit.
14. Click Done.
15. Issue a 'P' command for the axis to have the new parameters take affect.
MDT Scale/Offset Calibration Utility
For a description of all Scale/Offset Calibration Utilities, see Using the Scale/Offset
Calibration Utilities. To use the MDT Scale/Offset Calibration Utility:
1. Gather the following pieces of information for an axis:
The gradient of the transducer and its units (e.g. 9.012µs/inch)
The number of recirculations for the transducer
The desired number of position units per inch or centimeter
The transducer counts at your desired zero position
Whether you wish to have your position units increase or decrease with
increasing counts
2. Place the cursor in a field under the axis you wish to calibrate.
3. On the Tools menu, click MDT Scale/Offset Calibration.
4. Enter the above pieces of information.
5. Under Extend/Retract Limits, choose how you wish to have the limits set:
If you had the extend and retract limits set correctly, click Use current limits,
adjusted for new Scale and Offset to adjust the limits for your new Scale and
Offset.
Otherwise, click Set limits to the following values, and type the limits in the
text boxes.
6. Click Apply, which sets the Scale, Offset, the Prescale Divisor bits of the
Configuration word, Extend Limit,andRetract Limit.
7. Click Done.
8. Issue a 'P' command for the axis to have the new parameters take affect.
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