Dydj-DSP-2 Movement Control System Training Device

2) The DSP side uses the independently developed 28335 practical board development board, with the current m*nstream TMS320F28335 as the core, in the form of a six-layer core board + base board;

3) The BLDC motor platform adopts three-phase full-bridge isolation control and precise PID algorithm to ensure accurate motor operation;

4) The control signal of the DC motor driver board uses the sink current drive method, which supports direct drive of most microcontrollers ;

5) 42 stepper motor driver is an economical stepper motor driver with high stability, reliability and anti-interference performance. It is suitable for various industrial control environments and has automatic half-flow, low-voltage shutdown, overcurrent protection and overheating shutdown functions. ;

6) The onboard hardware resources are rich and the external expansion function is powerful, which can meet the needs of various project experiments;

7) 7.0-inch touch display adopts industrial grade to meet the harsh working environment, and the friendly human-machine interface facilitates your better operation;

8) The W5300 module supports software and hardware mixed TCP/IP protocols: TCP, UDP, ICMP, IGMP, IPv4, ARP, PPPoE, Ethernet; supports 8 independent ports (sockets) to be connected at the same time; network data transmission rate can reach 80Mbps ;Support ADSL connection (support PPPOE protocol, with PAP/CHAP authentication);

9) GPIO expansion function module includes 3x4 matrix keyboard, 12864LCD interface, 4-segment 8-bit digital tube, temperature and humidity sensor , infrared signal input interface, 8-channel LED, small DC motor and small stepper motor;

10) Adopt the split and independent modular design concept, which can not only demonstrate independently, but also work as a whole;

11) A uniquely designed motor control port for motor control;

12) Det*led user manual makes it easy for you to get started;

13) Focus on EMI design, stability and efficiency, including external expansion and all peripheral resources;

14) The m*nstream F28335 platform is the first choice in the field of motor control and power detection;

15) Rich experimental routines can meet various teaching experiments, especially in the field of motor control, making it convenient for users to transplant them.

3. System configuration

4. DSP core system board parameters

4. DSP core system board parameters

1.DSP core board parameters

1) Processor: TMS320F28335, clock frequency 150MHz.

2) Low power consumption design, core voltage 1.9V, I/0 port voltage 3.3V.

3) On-chip: RAM 34KX16 bits, Flash 256KX16 bits.

4) External expansion: RAM 256KX16 bits, Flash 512KX16 bits.

5) Compatible with +3.3V and +5V power interfaces.

6) Minimum system version, 2*80-pin interface, convenient for secondary development.

7) Multi-interface design, suitable for motor control, power equipment control and industrial control, etc.

8) 18 channels of PWM, 6 channels of HRPWM (high precision), 2 channels of QEP, 6 channels of CAP,

9) 16-channel 12-bit ADC, 3-channel SCI, 2-channel MCBSP, 2-channel CAN,

10) 1 channel SPI, 1 channel I2C.

2•System backplane platform

1) JTAG interface: DSP emulator connection interface, which can perform online simulation and programming programs.

2) SCI interface: 1 channel 232 interface, 1 channel 485 interface, which can carry out serial communication with the host computer.

3) PWM interface: 18PWM (including 6 high-precision HPWM), convenient for motor control.

4) CAP interface: 4-way CAP capture port (shared with 6-way orthogonal encoding pulse pins).

5) CAN: 1 CAN2. 0 interface, used for CAN bus networking.

6) ADC input interface: 16-channel AD input interface, 12-bit accuracy, input voltage range: 0-3V.

7) Audio interface: 3-way Adui o interface, providing recording and broadcasting functions

8) Motor control interface: two sets of motor control interfaces, each group can control a 3-phase motor.

9) DSP external expansion interface: 20-bit address line and 16-bit data line and others.

10) An X1226 real-time clock and 2KB of I2C EEPROM.

11) Manual reset button to facilitate user reset operation

12) SD card slot: You can plug in a mobile SD card

3•Brushless motor driver board parameters

1) DC bus voltage +12~36V

2) The rated current of the motor does not exceed 4A

3) Power supply voltage of motor Hall sensor +5V

4) Overvoltage and overcurrent indication

4•DC motor driver board parameters

1) Support motor voltage 7-24V, anti-reverse connection

2) Dual-channel motor interface, each channel has a maximum load current of 3A, and each channel has an independent 3A over-current protection

3) The control signal of the L298N motor driver chip has the same logic. Each channel supports three-wire control enable, forward and reverse rotation and braking.

4) The enable signal can be connected to PWM externally, and the forward and reverse control signals can be connected in series to the limit switch.

5) The control signal uses a sink current drive method, which supports direct drive by most microcontrollers.

6) Use optocoupler to isolate all control signals

5•Stepper motor driver board

1) The TB6560 driver is powered by a DC power supply. The power supply voltage range is 8V DC-35V DC. It is recommended to use 24V DC for power supply. It is recommended to use 24V/5A switching power supply for power supply.

2) The TB6560 driver adopts a differential interface circuit which is suitable for differential signals, single-ended common cathode and common anode interfaces. It is isolated through high-speed optocoupler, allowing it to receive signals from long-line drivers, open collectors and PNP output circuits.

3) The driver is m*nly used to drive 35, 39, 42, and 57 type 4, 6, and 8-wire two-phase hybrid stepper motors. Its subdivisions are

4 types, up to 16 subdivisions

4) The driving current range is 0.3A-3A, the output current has 14 levels, the current resolution is about 0.2A, and it has automatic half-current, low-voltage shutdown, over-current protection and overheating stop function speed indication.