Dc motor and reversing control PLC control module - GM4001 way

PLC controller control of the dc motor is commonly used in industrial control equipment technology, 0 5 v and 0 10 v general analog signal interface, and general dc motor and reversing control is required, so the guest control dc motor and reversing the prior electronic launch special GM4001 PLC controller control module. The motor drive scheme includes two control chip GP9305 and a driver chip L9110 RZ7889 or DRV8872 - Q1。

as shown in the above, an APC is GP9305 chips, input VIN end to 0 5 v analog voltage is converted to 0% 100% duty ratio of PWM signal, two GP9305 control PWM, all the way to drive chip L9110, and by enabling REN and LEN to choose one PWM signal effectively, so as to achieve the function of the dc motor and reversing choice. Two input signal VIN GP9305 connected in parallel, to achieve the same analog signal adjust the function of positive and negative two road PWM. This schematic L9110 as drive chip, can also choose to drive capacity is larger and wider RZ7889 and DRV8872 - voltage range Q1 H bridge driver chips, etc.

as shown in the above 0 Figure 5 v speed module interface. Ports are defined as follows:

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