372.75 € 372.75 € 372.75 EUR

372.75 €

32 Inputs
25 Outputs

Communications: RTC, µSD, Ethernet, USB, Full/Half Duplex RS485, RS232, I2C, Modbus

  • # Device #
  • CPU
  • # CPU Type #
  • # Inputs #
  • Digital Inputs *See technical details
  • Interrupt Input
  • Analog Inputs (Included as a Digitlal Input)
  • # Outputs #
  • Digital Outputs *See technical details
  • Relay Outputs *See technical details
  • Analog Outputs (Included as a Digitlal Output)
  • # Ethernet
  • RS485
  • RS232
  • I2C
  • SPI
  • Serial TTL
  • µSD Card Socket
  • RTC

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Related Documents:
⬇️ M-Duino 57AAR+_User_Guide.pdf
⬇️ CE - M-Duino 57AAR+.pdf
⬇️ 20230425_Datasheet M-Duino 57AAR+.pdf
IS.MDuino.57AAR+ IS.MDuino.57AAR+
SKU: IS.MDuino.57AAR+
HS CODE: 8537.10.9160

Do you need this product customized?

PLUS version includes

Full/Half duplex RS485 port.

µSD Socket

Work directly with the SD memory card.


Possibility to use MODBUS RTU using RS485 port working as a hardware Serial. - RTC (Real-time clock available)


      Inputs, Outputs, Communications and other technical specifications.

Inputs (Arduino Mega included)

– 32 Inputs:

(16x) Analog (0-10Vdc, 10bit) / Digital (5-24Vdc) Inputs configurable by software.

(6x) Interrupt Inputs (5-24Vdc). “Can work like Digital Input (24Vdc)”

(10x) Isolated Digital Inputs (5-24Vdc)


– (1x) Ethernet port.

– (1x) USB port (type B).

– (1x) I2C port. (Interface with other Industrial Shields, sensors, I/Os modules)

– (3x) TTL ports.

– (1x) RS-232 port.

– (1x) HALF/FULL Duplex RS-485 port.

– (1x) SPI external port (Using MOSI, MISO, SS pins of Arduino)

– TCP IP / Modbus TCP. / Modbus RTU

– WebServer capacity

– Industrial Protocols

Outputs (Arduino Mega included)

– 25 Outputs:

(7x) Relay outputs (220Vac – 5A)

(8x) Analog (0-10Vdc, 8bit ) / Digital (5-24Vdc) Outputs / PWM Isolated (5-24Vdc)

(10x) Digital Isolated (5-24Vdc)

Other technical specifications

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.: 1.2A

Flash Memory: 256kB (8kB for bootloader)



Clock Speed: 16MHz

*Rx, Tx pins are not available using RS485. For SPI you need to choose another pin for Select Function (You can choose, SDA, SCL, Rx, Tx, Pins of Arduino)

Arduino PLC based details

Industrial Automation

Modular PLC Arduino
This is the first equipment based on Arduino technology and designed for a professional use. This industrial PLC has 57I/Os. It also contains several communication ports which provide more flexibility and control. The industrial controller 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…

Programming Software
This controller arduino can be programmed using the Arduino IDE platform. See the Documentation menu below to download the software for free. A ladder logic option will be available soon.

Instantaneous connection and coding
The industrial arduino M-DUINO is programmed through the USB ports. This open source based PLC can also be programmed through Ethernet port remotely. This offers an immediate access to the program, maintaining control. Also, you can continuously monitor the status for all the variables, inputs, outputs, etc. It is compatible with the Ardbox PLC Range and the Touchberry Pi with an instantaneous connection.

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