M-DUINO PLC Arduino 57AAR I/Os Analog / Digital / Relay PLUS

Industrial ShieldsSKU: RB-Ind-27
Manufacturer #: IS.MDuino.57AAR+

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  • M-DUINO PLC Arduino 57AAR I/Os Analog / Digital / Relay PLUS
  • Includes Full / Half duplex RS485 port
  • Its µSD Socket works directly with the SD card
  • Offers use of MODBUS RTU using RS485 port
  • Works as a hardware Serial - RTC (Real-time clock available)

This M-DUINO PLC Arduino 57AAR I/Os Analog / Digital / Relay PLUS is based on the Arduino technology designed for professional use and has 57 I/Os.

It also contains several communication ports which provide more flexibility and control. The M-DUINO family offers the possibility to expand up to 127 modules through I2C, which means that you can have until 7100 Inputs / Outputs in Master-Slave connections, additionally to sensors, etc.

M-DUINO PLC Arduino 57AAR I/Os Analog / Digital / Relay PLUS- Click to Enlarge

This PLC can be programmed using the Arduino IDE platform. See the Documentation menu below to download the software for free. The PLC M-DUINO is programmed through the USB ports. This PLC can also be programmed through Ethernet port remotely.

This offers immediate access to the program, maintaining control. Also, you can continuously monitor the status of all the variables, inputs, outputs, etc. It is compatible with the Ardbox PLC Range and the Touchberry Pi with an instantaneous connection.

32 Inputs:

  • 16 x Analog (0-10 Vdc, 10 bit) / Digital (5-24 Vdc) Inputs configurable by software.
  • 6 x Interrupt Inputs (5-24 Vdc). “Can work like Digital Input (24 Vdc)”
  • 10 x Isolated Digital Inputs (5-24 Vdc)

25 Outputs:

  • 7 x Relay outputs (220 Vac 5A)
  • 8 x Analog (0-10 Vdc, 8 bit ) / Digital (5-24 Vdc) Outputs / PWM Isolated (5-24 Vdc)
  • 10 x Digital Isolated (5-24 Vdc)


  • 1 x Ethernet port
  • 1 x USB port (Type B)
  • 1 x I2C port. (Interface with other Industrial Shields, sensors, I/Os modules)
  • 3 x TTL ports
  • 1 x RS-232 port
  • 1 x HALF / FULL Duplex RS-485 port
  • 1 x SPI external port (Using MOSI, MISO, SS pins of Arduino)
  • TCP IP / Modbus TCP / Modbus RTU
  • WebServer capacity
  • Industrial Protocols


  • 100 x 75 x 115 mm
  • RTC (Real Time Clock. NOTE: I2C port used. See pinout modification)
  • µSD Socket (using SPI port, chip select D53 pin).
  • DIN Rail mounting.
  • Max consum.: 1.2 A
  • Flash Memory: 256 kB (8 kB for bootloader)
  • SRAM: 8 kB
  • EEPROM: 4 kB
  • Clock Speed: 16 MHz

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