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Initialisation
Initialisation is required at each power-up and after an error has occurred.
If an alarm occurs, the DSi will automatically re-enter initialisation mode when the alarm condition
is removed.
For complete rotation:
1. Rotate the axis in one direction (either clockwise or anti-
clockwise) until both readheads pass the reference mark.
The LED on the DSi will then go solid green and the
initialisation status, 'K', will go 'high'.
2. Initialisation is now complete. The reference mark will
be output when the axis next passes the factory default
propoZ position.
NOTE: For a complete rotation the default propoZ position is 90 degrees i.e. half way
between the two readheads mounted opposite each other on the ring.
For partial rotation:
1. Ensure the ring is installed so the reference marks are positioned correctly (see
REXT (partial rotation)'
on page 18).
2. Rotate the axis in both directions to its maximum travel. The LED on the DSi will then go solid
green and the initialisation status, 'K', will go 'high'.
3. Initialisation is now complete. The reference mark will be output when the axis next passes
the factory default propoZ position.
NOTE: For a partial rotation the default propoZ position is 0 degrees, i.e., inline with the two
readheads mounted opposite each other on the ring.
32
TONiC
REXM20 / REXT20 angle encoder system installation guide
™
'Mounting the
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