Power Brick Controller User Manual
Manual Motor Setup
171
A positive command should create a velocity and position counting in the positive direction; a negative
command should create a velocity and position counting in the negative direction. This is typically observed
in the response plot as a velocity saw tooth. A successful open-loop test response looks like:
Open-loop test troubleshooting tips
The open loop test can fail in two ways:
Motor cogs to a phase (locks up)
Plot shows an inverted saw tooth.
This indicates that one or a combination of the following:
Reversed encoder direction sense; review
PowerBrick[
i
].Chan[
j
].EncCtrl
.
Phasing was not performed successfully; phase and try again.