I am looking to have a speed controller designed on paper and part numbers spec'd out (Bill of Material). The speed controller will need to handle 24volt DC 50amps and also have reversing functions. The trick is the input will be from a device outputting 11.1v PWM with 8 amp max for full forward and -11.1v PWM in full reverse. The input also reverses polarity for the reversing function. The input device is a Ring Engineering Railpro LM-3S-G, the manual is attached for reference.
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Why re-invent the wheel? I can provide you with a circuit that will enable you to use the LM-3S-G with any off-the-shelf motor speed controller that has separate PWM and direction inputs. Regards, Jim
Hi. i' Vinh i see what you need to do in this project is to convert power to control 24v motors. Like Locomotive Module control output 11.1v, 8amp max to driver motor. I can do this well for you thank you