Note: This driver is suitable for DC inductive brushless motors

Functional Features
◆ Supports voltage range of 9V to 60V, maximum output current of 20A
◆ Supports potentiometers and switches, analog signals and logic levels, PWM/frequency/pulse signals, RS485 multiple input signals
◆ Supports multiple speed control modes including duty cycle speed regulation (voltage regulation), speed closed-loop control (steady speed), position closed-loop control (stepper/servo), and torque control (steady current)
◆ Supports acceleration and deceleration buffer time and acceleration control, can automatically accelerate and decelerate within a specified stroke, and accurately locate
◆ Supports single potentiometer, dual potentiometer independent, and dual potentiometer comparative control of forward and reverse speed
◆ Supports configuration of analog signal voltage range and logic level voltage. Analog signals can support voltage ranges such as 0-3.3/5/10V, while logic levels can support voltages such as 0/3.3/5/12/24V; Support analog signal linearity adjustment and logic level threshold configuration
◆ Support external PWM and frequency signals for motor speed regulation, and support external pulse signals for stepper control of the motor
485 communication isolation; Support MODBUS-RTU communication protocol; Support the use of 485 for mixed control of multiple speed regulation methods, including duty cycle, steady speed, and position, for motors
Motor current PID regulation control, maximum starting/load current and braking current can be configured separately; Support motor overload current limiting, locked rotor shutdown
◆ Support external limit switch limit and locked rotor limit
◆ Support motor phase sequence learning and fault alarm
◆ 18kHz PWM frequency, no PWM noise during motor speed regulation
◆ All interfaces are ESD protected and can adapt to complex on-site environments
◆ UseARM Cortex-M3@72MHz processor
◆ Use thick aluminum alloy large radiator shell for good heat dissipation effect

Electrical parameters

Principle Introduction:

This driver uses advanced motor current precise detection technology, inductive brushless motor self speed measurement, inductive brushless motor rotation position detection, regenerative current constant current braking (or braking) technology, and powerful PID regulation technology to perfectly control the smooth forward and reverse rotation, commutation, and braking of the motor. The output current is controlled in real-time to prevent overcurrent, and the motor speed and rotation position are accurately controlled. The motor response time is short and the recoil force is small.

Motor acceleration and deceleration control:The soft start method with automatic current regulation and automatic acceleration control allows the motor to start quickly and smoothly with minimal recoil. Support acceleration and deceleration time and acceleration configuration.
Motor brake control:The energy consumption braking method with automatic current regulation has a short motor braking time without strong impact vibration. Support brake current configuration.
Motor commutation control:The process of switching between forward and reverse rotation of the motor is controlled internally by the driver, which automatically performs deceleration, soft braking, and soft start control. No matter how frequently the commutation signal changes, it will not cause damage to the driver or motor.
Motor speed control:By detecting the speed and rotational position through Hall signals, PID regulation algorithm is used for closed-loop control, supporting two stable speed modes: speed closed-loop control and time position closed-loop control.
Motor position control:Detect the rotational position through Hall signals, use PID adjustment algorithm for position closed-loop control, and use brake resistors for deceleration.
Motor torque control:Control the motor torque by adjusting the output current.
Motor overload and locked rotor protection:When the motor is overloaded, the driver will limit the current output, effectively protecting the motor; When the motor is stuck, the driver can detect this state and brake the motor.
Internal interference suppression:The coupling between the drive circuit and the control circuit through interference consumption and transient interference suppression can effectively ensure that the control circuit is not affected by the interference of the drive circuit.
External interference suppression:Use ESD protection devices and electrostatic discharge circuits to provide ESD protection for all interfaces, ensuring stable operation of internal circuits and protecting internal devices from transient high voltage static electricity applied to the interfaces.
485 communication interference suppression:Use signal and power isolation chips to isolate the 485 transceiver circuit and suppress interference.

interface definition

Configuration of dip switch

1. Configuration of control mode

2. Signal source selection

3. Configuration of motor rated current

3. Configuration of working mode

characteristic use

1. Connection method of single potentiometer duty cycle/closed-loop speed control with incremental motion control

The working process of this usage is to use potentiometer VR1 for speed regulation; Press B1, the motor rotates forward, B1 pops up, the motor stops, and when the forward rotation limit is reached, the motor stops. Pressing B1 again is ineffective; Press B2 to reverse the motor, B2 pops up, and the motor stops. When the reverse limit is reached, the motor stops. Pressing B2 again is ineffective.


2. Dual potentiometer duty cycle/closed-loop speed regulation connection method

This connection method includes independent control of dual potentiometers and coordinated control of dual potentiometers. For the independent control mode, two potentiometers are used to adjust the speed of the motor in both forward and reverse directions, and the motor start stop and direction are controlled by switches; For the collaborative control method, potentiometer VR2 sets the midpoint reference voltage, and the motor speed and direction are controlled by comparing the output voltages of potentiometers VR1 and VR2. Limit the forward and reverse rotation using limit switches.

3. Single chip PWM signal duty cycle/closed-loop speed control method connection

This usage uses the microcontroller to adjust the motor speed through the output PWM signal, and controls the motor's forward and reverse rotation and emergency stop through IO. Connect the COM of the driver to the power ground of the microcontroller; The IN1 pin is connected to the PWM output of the microcontroller for speed regulation; IN2 and IN3 are connected to two IO ports of the microcontroller, which are respectively used to control the forward and reverse rotation of the motor and emergency braking. Limit the forward and reverse directions separately through limit switches.

4. Connection of single-chip microcomputer pulse signal position control

This usage allows the microcontroller to control the motor's rotational position through pulse signals. Connect the COM of the driver to the power ground of the microcontroller; IN1 is connected to IO1 of the microcontroller and receives pulse signals from the microcontroller to control the motor step; IN2 is connected to the IO2 of the microcontroller for controlling the step direction; IN3 is connected to the IO3 of the microcontroller to control emergency stop; VO is connected to the IO0 of the microcontroller and outputs a completion signal to notify the microcontroller that the position control process has been completed; Limit switches SQ1 and SQ2 respectively limit forward and reverse rotation.
Note: The VO output is a 3.3V logic level. If the microcontroller does not accept the 3.3V logic level, it needs to be converted to a 5V logic level.

5.Connection method of PLC analog signal duty cycle speed regulation

This usage uses PLC to regulate motor speed through analog signals, and controls motor start stop and forward/reverse rotation through relays/switch values. Connect the COM terminal of the driver to the relay COM terminal of the PLC and the analog signal ground; IN1 is connected to the analog output AO of the PLC for speed regulation; IN2 and IN3 are connected to the relay/transistor outputs Y2 and Y1 of the PLC, respectively, to control the forward and reverse rotation of the motor; Limit the forward and reverse rotation using limit switches SQ1 and SQ2, respectively.

6. Connection method for PLC pulse signal position control

The working process of this connection method is: IN1 is connected to Y3 of the PLC to determine the number of pulses used for motor position control; IN2 and IN3 are connected to two IO ports of the microcontroller to control the direction of the motor and emergency braking; After connecting a 240 Ω resistor in series with VO, an optocoupler is indirectly connected to COM. The optocoupler output is connected to+24V and X1 of the PLC, which is used to feedback the completion signal to the PLC.

7.485 Communication Multi machine Control Connection

The 485 communication lines of each drive are connected in parallel in the A-A and B-B directions, followed by a 485 master station. The 485 master station independently operates each drive based on the slave station address configured by the drive. The address configured for each drive should be unique and cannot be duplicated with other drives.

Internal structure of the drive
1. Front internal structure of the driver

2.Internal structure of the back of the driver

Dimension definition

The size is 16.0cm × 9.6cm × 5.6cm. The diameter of the installation hole is 4mm, and the distance from the center of the installation hole to the side is 9mm.

enclosure: