SOLO Communication Manual - UART and USB
www.solomotorcontrollers.com
September 2021 - Revision V_1.0.1 Copyright © 2021, All right Reversed. SOLO motor controllers.
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Digital sensorless Torque Control of a BLDC motor.
Before sending the following commands you must do the following steps at least once:
1. Turn ON SOLO
2. Put SOLO in closed-loop (using Piano switch on SOLO UNO or Control Mode Switch on SOLO
MINI)
3. Make sure the motor Identification is done.
As long as the piano switch number 5 is DOWN in SOLO UNO or the Control Mode Switch on
SOLO MINI is on C.L, you can send the following commands in order to control the torque of
your brushless Motor. Also after power recycling you don’t need to repeat this part again, just
leave the configurations as mentioned in closed-loop mode as long as your motor and the system
are the same.
1- Set the Motor Type (Normal Brushless, type 1)
FF FF 00 15 00 00 00 01 00 FE
2- Set control Mode on Torque
FF FF 00 16 00 00 00 01 00 FE
3- Go to digital Mode
FF FF 00 02 00 00 00 01 00 FE
4- Set the Torque ref at 1.8A [Sfxt(32-17)]
FF FF 00 04 00 03 99 99 00 FE
_Note : the steps 1 to 3 are needed to be done only once since you don’t need to change them,
so for varying the torque you can keep sending different values only by using step number 4
from now on. Remember, after power recycling, you need to send all the first 3 commands to set
back the parameters which are Volatile and will be forgotten after power recycling or reset.
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