M-Duino PLC 38AR+ I/Os


M-DUINO Arduino Ethernet 38AR I/Os Analog / Digital / Relay PLUS

19 Inputs
19 Outputs

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

Additional information

PLC Arduino details

Industrial Arduino for Industrial Automation, Process Control and Data Acquisition

Modular Industrial PLC
This is the first equipment based on the Arduino technology designed for a professional use. This programmable logic controller has 38I/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…

Programming Software
This PLC controller can be programmed using the Arduino IDE platform. See the Documentation menu below to download the software for free.

Instantaneous connection and coding
The PLC M-DUINO is programmed through the USB ports. This PLC can also be programmed through Ethernet port remotely. This offers an immediate access to the program, maintain and 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.

Total Inputs 19
Total Digital Optoisolated Inputs (5-24Vdc) 9
     Digital Optoisolated Inputs (5-24Vdc) 5
     Digital Optoisolated Inputs (5-24Vdc) | can work like interrupt Inputs INT (5-24Vdc) 4
10 bit Analog Inputs (0-10V) | Digital (5-24Vdc) Inputs configurable by software 10

Inputs notes – * From the (Xx) Digital, (Yx) can be configured as Analog (Xx = Total Digital In, Yx = Number of Analog In) * From the (Xx) Digital, (Zx) can be configured as Interrupt (Xx = Total Digital In, Zx = Number of Interrupt pins)

Total Outputs 19
Digital Optoisolated Outputs (5-24Vdc) 5
Digital Optoisolated and PWM (5-24Vdc) | 8 bit Analog (0-10V) Outputs configurable by switch 6
Relay Outputs (220Vac – 5A) 8


Ethernet communication 1
Wi-Fi & BLE (Bluetooth Low Energy) NO
USB port (type B) communication (for uploading or debugging only) 1
Micro USB port (type B) communication (for uploading or debugging only) 0
I2C communication (interface with other Industrial Shields, sensors, I/Os modules) 1
Serial TTL (UART) communication 2
RS-232 communication 1
Half/Full Duplex RS-485 communication 1
SPI external port communication (using MOSI, MISO, SS pins of Arduino) 1
RTC (Real Time Clock. NOTE: I2C port used. See pinout modification) YES
µSD Socket (using SPI port, chip select D53 pin) YES

Communications notes – * When using I2C, 2 inputs are lost


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