SOLO BETA User Manual
Connection of Quadrature Encoders to SOLO:
SOLO can control the speed, torque or position of your motor using quadrature encoders, but
despite sensorless methods, when we use encoders, the connection of Encoder to SOLO is will
affect the order of wiring and how you should connect your motor’s phases to A, B and C output of
SOLO.
In a quadrature encoder, we have two pulses that have 90 degrees of phase shift with respect to
each other and you should connect both of these to SOLO to “Encoder_CHA” and “Encoder_CHB” ,
these pulses are generated based on the number of slots provided on the optical encoder disk. The
Index pulse on the other hand, is generated every rotation once, and as far as SOLO concerns, it’s
not mandatory to use it, as it plays a corrective measure role in position controlling methods, if
your encoder has this output you can connect it, if not, still no problem.
The standard way of finding the correct Encoder connection to SOLO can be done depending on
the type of the Motors and you can go as following:
1. Connect the +5V output from SOLO to supply your encoder (if needed)
2. Make sure the Ground of pin of SOLO (pin number 6) is at least connected to your encoder
Ground at 1 point
3. Find the order of A,B,C connection to your motor based on the following guides for
3-phase or DC brushed motors
www.solomotorcontrollers.com
January 2021 - Revision V_1.0.5 Copyright © 2020, All right Reversed. SOLO motor controllers.
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