5 Using diagnostics software
Homing the liquid-handling head
90 Bravo Platform User Guide
Homing the liquid-handling head
About this topic
This topic describes when and how to home the liquid-handling head.
To avoid potential injury and damage to the device, only personnel trained in how to
teach the Bravo Platform should use the Jog/Teach tab controls.
The red Stop motors button in Bravo Diagnostics does not perform an immediate
stop. The Bravo head can continue to move in the same direction at the same speed
after you click the button. To perform an emergency stop, press the red button on the
emergency-stop pendant.
About homing
The liquid-handling head has a defined home position for each axis of motion. Homing
sends the head to the home position for the axes. Home the liquid-handling head to
reset the axes. For example, if you notice the Bravo Platform is not moving to locations
or teachpoints accurately, home the head.
Homing the liquid-handling head is typically done automatically on first initialization
after startup.
There are four homing axes.
Homing the liquid-handling head
Keep away from the Bravo Platform when the liquid-handling head is moving or about
to move, especially in the z-axis direction. The liquid-handling head might not stop
immediately in a collision and a pipette tip could pierce your hand.
Homing in
this axis …
Moves the liquid-handling head …
X To home position in the horizontal (left-right) axis. This position is
near the middle of the x-axis range.
Y To home position for the horizontal (forward-backward) axis. This
position is near the middle of the y-axis range.
Z To home position in the vertical (up-down) axis. This position is near
the top of the z-axis range.
W Internal pipetting mechanism to its home position in the vertical
aspirate-dispense axis. This position is near the low-to-mid w-axis
range.
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