Does the SmartMotor have braking capability?
The SM1720, SM23XX, and SM34XX can be ordered with the BRK option. The SmartMotors Power and control the brake built onto the backside of the motor.
Can the SmartMotor do dynamic braking?
The SmartMotor is a full four quadrant servo design: it can brake dynamically up to the momentary torque/speed limitations of the system.