SOLO Communication Manual - UART and USB
www.solomotorcontrollers.com
September 2021 - Revision V_1.0.1 Copyright © 2021, All right Reversed. SOLO motor controllers.
71
Digital Open-loop Control of a Brushless motor
Before sending the following commands you must do the following steps at least once:
1. Turn ON SOLO
2. Put SOLO in open-loop by pushing or leaving Piano switch number 5 in UP position in
SOLO UNO or by putting the Control Mode Switch on O.L on SOLO MINI
As long as the piano switch number 5 is UP in SOLO UNO or the Control Switch Mode is on O.L
in SOLO MINI, you can send the following commands in order to control the speed of your
brushless motor in open-loop mode.
1- Set Motor Type (Normal Brushless)
FF FF 00 15 00 00 00 01 00 FE
2- Set the Motor No of Poles at 8 (Uint32)
FF FF 00 0F 00 00 00 08 00 FE
3- Set the Speed Control Mode on sensor-less
FF FF 00 13 00 00 00 00 00 FE
4- Go to digital Mode
FF FF 00 02 00 00 00 01 00 FE
5- Set the power ref at 30.5 (similar to analog PWM duty cycle percentage) [Sfxt(32-17)]
FF FF 00 06 00 3D 00 00 00 FE
6- Set the speed ref at 1000 rpm (Uint32)
FF FF 00 05 00 00 03 E8 00 FE
Notes:
- By manipulating the values used in steps 5 and 6, you can reach any arbitrary required
speed in real-time.
- The commands stored in Memory will be remembered after power recycle, and there is
no need to set them everytime.
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