SOLO Communication Manual - UART and USB
www.solomotorcontrollers.com
September 2021 - Revision V_1.0.1 Copyright © 2021, All right Reversed. SOLO motor controllers.
21
0x03 : Current Limit
Description:
This command defines the maximum allowed current into the motor in terms of Amps, this
command will be effective only once SOLO is in closed-loop digital mode as in analogue mode
the current limit is set through “P/F” input pin, In Regeneration Mode, SOLO will limit the
current fed back into supply to this value.
Description:
This command sets the amount of desired current that acts in torque generation. In 3-phase
motors this is called Iq or quadrature current as SOLO operates in FOC mode, however for DC
brushed motors this value sets the reference for IM in DC brushed motors.
This command will be effective only once SOLO is in closed-loop digital Torque mode as in
analogue mode the Torque reference is set through the “S/T” input pin once SOLO is in
Torque Mode.
For all the motors including DC, BLDC, PMSM and ACIM the value of the torque reference can
relate to Torque on the shaft of the motor based on following relation:
Requested Torque [N.m] = Torque Reference [A] x Motor’s Torque constant [N.m/A]
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