MASSO
MASSO Documentation
Homing Switches and setting up homing
These can be mechanical, optical, magnetic or proximity sensors.
Each axis must have a homing switch including software slaved axis which are used for auto
squaring.
The one thing they all have in common is they must normally show Low on the F1 screen and
change to High when triggered. Use the spacebar to toggle the input logic if yours is reversed.
Hint: If homing speed is too high the axis may overshoot the sensor and not be able to back off. If
the sensor cannot be cleared within 10mm or 3/8” a homing alarm will indicate.
Homing setup instructions
Additional resource video
Scan the QR code to watch the MASSO video tutorial on YouTube
Or, Click here to view the video
Hard Limits
The homing inputs double as hard limit inputs after the machine has been homed. To work, all hard limit
switches must be outside the envelope of axis travel or the hard limit will trip before it reaches the full travel
of your axis. Soft limits should be used first and Hard limits as a last resort. Tripping a hard limit will not
instantly stop the axis but it will decelerate to a stop. Hard limits can be disabled under general settings.
Hint: if you mount your homing sensors/switch on the moving carriage and put a trigger at each end of the
axis travel then only one sensor/switch can work for both homing and Hard limit triggering at each end of the
axis travel.
Soft Limits
v5.18 - 08 Apr,2021
www.masso.com.au Page 158 of 477
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