This controller is perfect for desktop CNC applications. You can easily control the motor from your computer's parallel port or a serial stepper controller card! The left chip on the schematic is the L297 and the. Works with large bipolar stepper motors like the MO-101, MO-102 and MO-103.Īll signals (Step, Direction, Enable) can be interfaced to external logic or a microcontroller. The purpose of the electronic board is to control 4 bipolar stepper motors by means of a microcontroller. The drive provides all basic motor controls, including full or half stepping of bipolar steppers and direction control. It operates from a DC supply voltage of 9-36V. Used with a dual bridge driver such as the L298N. This is the case of the L297 (mentioned earlier in this chapter) and the L298 driver IC. Motor current for each phase is set using an on-board potentiometer and the controller is capable of handling motor winding currents of up to 2 Amps per phase. The L297 integrates all the control circuitry required to control bipolar and unipolar stepper motors. the L297 can be used with monolithic bridge drives such as the L298N or. Enable input can be connected to ground to disable motor The L297 Stepper Motor Controller IC generates four phase drive signals for two.Synchroniseable when using multiple drivers. Step, Direction and Enable inputs (5V logic level).
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