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UniPi Neuron M303 PLC

In stock (1 item available)
  • Weight
    0.55 kg
  • SKU
    UPC-020

UniPi Neuron M303 is a universal control unit. Based on the popular Raspberry Pi 3 model B it features 34 DI, 4 DO, 1 AI, 1 AO, an RS485 serial interface and a 1 wire interface.

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Unipi Neuron M303 is a programmable logic controller designed for automation, control, regulation and monitoring. The M303 is designed primarily for monitoring and reading data For that purpose, it features 34 digital inputs with counters suitable for monitoring of external devices or reading data from various digital sensors or energy meters. The controller also features an RS485 serial interface and a 1-Wire interface for connection of digital temperature or humidity sensors.

Basic Features

  • Raspberry Pi 3 Model B computer (1.2GHz quad-core CPU, 1GB RAM)
  • 4× USB 2.0
  • 10/100Mbit Ethernet
  • Wi-Fi, Bluetooth, HDMI port
  • Aluminium chassis (IP20)
  • 34 × Digital inputs 5-24 V DC
  • 4 × Transistor outputs max. 750 mA at 50 V DC
  • 1 × Analog output 0-10 V
  • 1 × Analog input 0-10 V/4-20 mA
  • 1-Wire bus (with galvanic isolation)
  • RS485 (for Modbus communication)
  • Mervis lifetime license
  • RTC with backup up to 7 days
  • DIN rail mounting
  • Anodized aluminum case
  • Power supply 24 V DC required


Resources:

Programming Service:

Do you have an application for one of the UniPi or Neuron PLCs but don't know how to program it? We can program it for you. Email us your requirements and we will provide a quote to do the programming.


Unipi Neuron M303 is a programmable logic controller designed for automation, control, regulation and monitoring. The M303 is designed primarily for monitoring and reading data For that purpose, it features 34 digital inputs with counters suitable for monitoring of external devices or reading data from various digital sensors or energy meters. The controller also features an RS485 serial interface and a 1-Wire interface for connection of digital temperature or humidity sensors.

Basic Features

  • Raspberry Pi 3 Model B computer (1.2GHz quad-core CPU, 1GB RAM)
  • 4× USB 2.0
  • 10/100Mbit Ethernet
  • Wi-Fi, Bluetooth, HDMI port
  • Aluminium chassis (IP20)
  • 34 × Digital inputs 5-24 V DC
  • 4 × Transistor outputs max. 750 mA at 50 V DC
  • 1 × Analog output 0-10 V
  • 1 × Analog input 0-10 V/4-20 mA
  • 1-Wire bus (with galvanic isolation)
  • RS485 (for Modbus communication)
  • Mervis lifetime license


Software options

Thanks to the software openness of Unipi controllers customers can choose from a broad range of software solutions and are not limited to a single platform Among supported solutions are both commercial and open-source systems. Visit the Other software overview for the list of other supported solutions.

The main supported solution is the Mervis control system - a platform developed under the IEC 61131-3 standard for PLC programming, that includes SCADA interface for remote management and monitoring, a comprehensible development environment, a human-machine interface (HMI) editor and an online/on-premise database for storing historical data and retrospective analysis of the controlled technology's operation. 

Aside from commercial platforms you can also choose any from the list of supported open-source solutions, or use the EVOK API (Websocket, REST,...) Modbus TCP, SysFS or other tools for implementing your logic in any programming language. Visit this link for the list of supported software solutions. 

accordance with IEC 61131-3. It is compatible with UniPi v1.1 and UniPi Neuron control units and their extensions. A license for Mervis comes free with the Neuron M203.

Resources:

Programming Service:

Do you have an application for one of the UniPi or Neuron PLCs but don't know how to program it? We can program it for you. Email us your requirements and we will provide a quote to do the programming.


  • 34 × Digital inputs: 5-24 V DC
  • 4 × Transistor outputs: max. 750 mA at 50 V DC
  • 1 × Analog output: 0-10 V
  • 1 × Analog input: 0-10 V/4-20 mA
  • Protocol: 1 × RS485 
  • bus: 1-Wire 
  • RAM: 1 GB
  • CPU: 1.2 GHz  Quad Core
  • IO: 4 × USB
  • Rate: 1 × Ethernet 10/100 Mbps
  • Mounting: DIN 
  • Material: Anodized aluminum case
  • Power supply: 24 V DC required

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.