Industrial control board development and design, industrial circuit board scheme customization, and control board production

Industrial control board development and design, industrial circuit board scheme customization, and control board production

Industrial control board development and design Industrial circuit board scheme Customized control board production:

Focus on the development of non-standard circuit boards, and provide intelligent hardware, intelligent Internet of Things, intelligent industrial control, numerical control system, industrial circuit, equipment circuit, and electronic product development.

1、 Power supply: 12V-40V wide input range, with overvoltage protection and overcurrent protection.

2、 Two level power supply mode: LM2575/LM2576DC-DC switching power supply -- 5V output, AMS117-3.3V-3.3V output.

3、 Digital output: 8-way Darlington tube ULN2803 with optocoupler isolation output, external 12-24V independent DC-DC chip power supply, each way of IO drive capacity 500mA.

4、 Analog input: 8 optocoupler isolated input channels, each of which shares a ground plane, with 74HC245 chip drive.

5、 Relay output: 8-way Darlington tube ULN2803 with optocoupler isolation output, external 12-24V independent DC-DC chip power supply, resistance capacitance current absorption, maximum 4A current per circuit, and self recovery fuse.

6、 Main chip: STM32F103VCT6 packaged by 100QFP. Support SWD download and simulation debugging.

7、 One buzzer on board: driven by 2N7002 MOS tube.

8、 On board RTC real-time clock, CR1220 package battery holder.

9、 The onboard Fujitsu MB85RC04 ferroelectric memory has a capacity of 512 bytes.

10、 On board RS232/RS485 communication terminal blocks facilitate external connection of expansion sub boards.

11、 Onboard MORNSUN isolated power module:

Divided into: 5V input, with isolated 5V/100mA output

24V input, with isolated+- 12V/200mA output, led out from external terminals.

XII

With FPC LCD interface, compatible with RA8806 5.7-inch 320 * 240 industrial touch screen, FSMC 8-bit bus mode drive

With 40PIN TFT LCD interface, compatible with current commonly used ILI9320/ILI9341/SSD1289 LCD screens, FSMC 16 bit bus mode drive

13、 Lead out 6-channel PWM pin and Hall interface pin to realize BLDC motor drive and DAC output

XIV

Two independent operational amplifier chips are adopted: TI LMC6484A chip.

External 2.048V reference source: TI LM4040A20 chip

It can realize two-way 0-10V analog voltage acquisition and two-way 0-200mA voltage acquisition.

15、 Externally expanded SPI bus can be externally connected with 24bitADC to meet high-precision data acquisition applications.

16、 Industrial grade terminal blocks are used, and the pins support hot plugging.