Renishaw ATOM Installation Manual page 15

1. Connect system as shown on previous page.
2. Set the orientation switch on the reverse of the DSi to 'difference' mode.
Factory
setting
3. Power the system.
4. Restore factory defaults on both ATOM systems by pressing and holding the CAL button on
both interfaces whilst switching the system on. This can be done individually or whilst the
interfaces are plugged into the DSi. See
information.
5. Using a custom designed bracket adjust both readheads to maximise the signal strength for
a complete rotation of the axis (readhead set-up LED should be Green on both readheads)
6. Rotate the axis until the count displayed on the customer counter is at its minimum.
NOTE: If the count continues to increase then the orientation switch on the DSi is not in the
correct position.
7. Rotate the axis to the minimum count position and reset the counter to zero.
8. Rotate the axis until a maximum count is displayed. This should be ~180° from the position
when the count is minimum.
Difference mode
or
'Restoring factory defaults' on page 36 for more
9. Gently move the disc relative to the hub in a radial direction at 90° to the readheads, as shown
below, until the count displayed on the customer counter is reduced by approximately half.
Direction of
movement
10. Repeat steps 6 to 9 until the difference in (maximum count) – (minimum count) is within the
design specifications.
11. Cure the adhesive.
12. Recheck the run-out.
Contact your local Renishaw representative for more information on aligning the disc.
www.renishaw.com 15