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MODBUS RTU WITH STM32F4

IO extension board: 8AI, 8BI, 8AO, 8BO.
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Communications Ports2 RS-485 NET1, NET2 supporting:BACnet MS/TP up to 76800 bpsOptional Modbus up to 115200 bps8 Binary input, 8 Universal input (0-10 VDC , 10 kΩ Thermistor, 4-20 mA), 8 Relay output (250VAC, 5A), 8 Analog output (0-10V)If you want this project (altium and source code), contact me via mail for me daovanhoa12@gmail.com or my skype id: Đào Hoa (live:daovanhoa12)

Inputs

8 Binary input

8 Universal  input

  0-10 VDC (using the 10V jumper and ON jumper setting)

  10 kΩ Thermistor (using the 10 kΩ Thermistor jumper and OFF jumper setting)

  4-20 mA (using the 4-20mA jumper and ON jumper setting)

Outputs

8 Relay output (250VAC, 5A)

8 Analog output (0-10V)

Device Addressing

Set via DIP switches and jumper

Power

24VAC/DC

Technology

STM32F407VGT6 microcontroller featuring 32-bit ARM Cortex® -M4 with FPU core, 1-Mbyte Flash memory, 192-Kbyte RAM

Real-time clock

Connectors Module SPI, I2C, Ethernet

Communications Ports

2 RS-485 NET1, NET2 supporting:

BACnet MS/TP up to 76800 bps

Optional Modbus up to 115200 bps

Dimensions

18.8 x 10.7 cm

If you are interested can contact me via email daovanhoa12@gmail.com or my skype id: Đào Hoa (live:daovanhoa12)

PIN STM32_BM8888.xlsx

sheet - 10.89 kB - 09/23/2020 at 08:18

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  • Testing

    daovanhoa1209/23/2020 at 03:54 0 comments

    Analog input 10 kΩ Thermistor sensor | Modbus RTU

    Analog output 0-10v | Modbus RTU

    Digital Output | Modbus RTU

    Digital Iutput | Modbus RTU

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