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The MBL series brakes have a torque output that is proportional and linear with the input voltage into the interface circuit. This linearity applies independently of whether the input signal is increasing or decreasing. The interface circuit, or controller, mainly consists of a computer and power amplifier. The computer controls the current into the brake in such a manner that the brake has effectively no hysteresis.

Additionally, the computer controls the output torque in proportion to the controller's input voltage, independently of the brakes speed. The maximum available torque for a particular speed must be taken into account. Operating at low speeds, the range of the torque command signal is limited to the amount of torque that the brake can produce. Alternatively, operating at very high speeds, the operator must use caution as to not command a torque that can cause a brake to over-heat.


Pricing for the MBL series brakes includes a brake, controller and a six-foot cable to connect the brake to the controller. Upon request, MBS will add the power supplies in a quote; two power supplies are required per controller (+24VDC and -24VDC).


An added bonus of the MBL model brake is that the controller outputs a signal for the speed of the brake. The default speed scale factor is the maximum published brake speed divided by 4 volts (i.e., 6,000 RPM / 4 volts = 1,500 RPM / volt). The accuracy of the speed signal is within 1%.

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