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3.10.1 Main and Auxiliary Feedback Combinations
The Main Feedback is always used in motion control devices whereas Auxiliary Feedback is
often, but not always used. The Auxiliary Feedback connector on the Guitar has three bi-
directional pins (CHA, CHB and INDEX). When used in combination with Main Feedback,
the Auxiliary Feedback can be set, by software, as follows:
Auxiliary Feedback
Main
Feedback
YA[4] = 4
(Aux. Feedback: output)
YA[4] = 2
(Aux. Feedback: input)
YA[4] = 0
(Aux. Feedback: input)
Incremental
Encoder
Input
Interpolated
Analog
(Sin/Cos)
Encoder
Input
Resolver
Input
Potentiometer
or
Tachometer
Input
Typical
Applications
Analog Encoder applications
where position data is required in
the Encoder’s quadrature format.
Resolver applications where
position data is required in the
Encoder’s quadrature format.
Tachometer or potentiometer
applications where position data is
required in the Encoder’s
quadrature format.
Any application where
two feedbacks are used
by the drive.
The Auxiliary Feedback
port serves as an input
for the auxiliary
incremental encoder.
For applications such as
Follower, ECAM, or Dual
Loop.
Any application where
two feedbacks are used
by the drive.
The Auxiliary Feedback
port serves as an input
for Pulse & Direction
Commands.
Guitar Installation Guide Installation
MAN-GUIIG (Ver. 1.1)
3-22