Assembly 5
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5-8
5.2.1.5 Fitting X Axis Counter
The X Axis counter which is still connected to the electrical box can now be fitted.
This consists of 2 proximity switches which are aligned to measure off the teeth of
the pulley. They count in a quadrature pattern (up, up, down, down) so that they up
and down count.
Counting pattern:
Counter 1
Counter 2
These counters (34 + 35) are mounted on a bracket (36) and are factory set. These
are bolted to the bottom of the mounting plate for the pulleys. It is essential to check
that they are functioning correctly when the power is on the machine. The counting
pattern is important as well as checking that the proximities count on every tooth.
There are 20 teeth per revolution of the drive pulley. There are LED indicators on
the proximities to indicate when they are ON.
36
34
35
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