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Hardware Guide
March 2016
Revision 005
a general-purpose, professional input/output module based on a standard Arduino board

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Summary of Contents for Sferalabs iono Arduino

  • Page 1 
 Hardware Guide March 2016 Revision 005 a general-purpose, professional input/output module based on a standard Arduino board 
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  • Page 2: Table Of Contents

    Introduction Features Usage and connections Power supply Multi-mode inputs: analog mode Multi-mode inputs: digital mode DI5 and DI6 digital inputs Analog output Relay digital outputs Asynchronous serial communication port Mapping Quick start iono ethernet iono uno iono solo iono ethernet web app user guide Factory reset Installing and removing the Arduino board Programming...
  • Page 3 Please download and read the iono Terms and Conditions document available at: http://www.sferalabs.cc iono and Sfera Labs are trademarks of Home Systems Consulting SpA. Other brands and names may be claimed as the property of others.
  • Page 4: Introduction

    Introduction iono combines the ease of use of the Arduino platform with multiple input and output interfaces; the result is a rugged, safe, reliable and easy to connect module, suited for installation both in industrial and residential environments. iono is available in three versions, all using the same shield board and case, but with different Arduino boards pre-installed.
  • Page 5: Features

    Features The iono module's key features are: ✓ 12/24Vdc or 12/18Vac power supply ✓ 4 multi-mode inputs: either to be used as digital or as 0÷10V or 0÷20mA analog signals ✓ 2 digital inputs for potential-free contacts ✓ 1 analog output 0÷10V controlled by PWM signal ✓...
  • Page 6: Usage And Connections

    Usage and connections FIGURE 1 CONNECTION EXAMPLE Power supply iono can be powered by DC or AC voltage: ✓ DC: nominal voltage in the range 12V to 24V (MIN=11, MAX=30Vdc) ✓ AC: nominal voltage in the range 12V~ to 18V~ (10.8¸21.0V~). When DC powered, make sure to respect the correct polarity shown in the schematic diagram (+ -).
  • Page 7: Multi-Mode Inputs: Analog Mode

    Multi-mode inputs: analog mode iono features 4 multi-mode inputs (1, 2, 3, 4). Depending on terminal blocks wiring, digital (ON-OFF), analog 0÷10V or analog 0÷20mA signals can be applied. When using analog inputs, 0÷10V and 0÷20mA are converted to 0÷5V levels in order to be compatible with the Arduino platform input pins.
  • Page 8: Mapping

    Mapping The following table shows the mapping of the inputs and outputs of the iono module into the related pins of the Arduino platform. iono inputs and outputs Arduino pins DI1 – AV1 – AI1 DI2 – AV2 – AI2 DI3 –...
  • Page 9: Quick Start

    Quick start Be sure to always remove the power supply before installing or removing the Arduino board inside iono. iono must be operated with both side covers installed. Follow all applicable electrical safety standards, guidelines, specifications and regulations for installation, wiring and operations of iono modules. Carefully read the iono hardware guide before installation.
  • Page 10: Iono Solo

    iono solo iono solo doesn’t ship with a pre-installed sketch, for the simple reason that there is no Arduino module installed! Still, before installing your own Arduino board, you should check that it powers-up normally. 1. connect iono to a regulated power source (check the data sheet for the power requirements) 2.
  • Page 11: Iono Ethernet Web App User Guide

    iono ethernet web app user guide The pre-installed iono ethernet web app can be used from any modern browser, including browsers of all mobile devices, to easily control the output relays, the 0…10V analog output and check the status of all inputs. JavaScript must be enabled on the browser, or this app will not work.
  • Page 12: Installing And Removing The Arduino Board

    Installing and removing the Arduino board With iono solo you will have to install your own Arduino compatible board. iono accepts the original Arduino Uno and Ethernet Rev 3 boards, or other boards that are fully compatible with the Arduino 1.0 pinout specification. Installing boards that are not fully compatible, both mechanically and electrically, may and probably will damage the iono board, and may create a safety risk.
  • Page 13: Programming

    Programming Arduino Uno The Arduino Uno board, when mounted into a iono module, must be programmed through the USB port. Arduino Ethernet The Arduino Ethernet board requires the “USB Serial Light Adapter” for programming, as shown below. FIGURE 4 THE USB SERIAL ADAPTER In order to access the programming connector inside the iono module, the cover placed on the same side of the power supply terminal block must be removed, gently sliding it outward, and giving access to the programming connector indicated by the red arrow...
  • Page 14 Insert the USB Serial Adapter as shown below. FIGURE 6 SERIAL ADAPTER INSERTED IN THE IONO USB ADAPTER CONNECTOR Connect the adapter to a PC and perform the programming as usual. This operation does not require the iono module to be connected to a power supply. Hardware Guide...
  • Page 15: Block Diagram

    Block diagram FIGURE 7 BLOCK DIAGRAM Hardware Guide...
  • Page 16: Technical Specifications

    Technical specifications Power supply 12/24V⎓ nom. (11…30V⎓ ) 12/18V~ nom. (10.8…21.0V~) 8mA w/o Arduino Current consumption at VS+=12V⎓ and unconnected inputs 32mA with Arduino UNO 92mA with Arduino Ethernet 26mA w/o Arduino Current consumption at VS+=12V⎓ and digital inputs closed to C+ 51mA with Arduino UNO 111mA with Arduino Ethernet 7mA w/o Arduino...
  • Page 17 Conversion error for analog 0…10V inputs (1-4) 2% of full scale Conversion error for analog 0…20mA inputs (1-4) 2% of full scale Max cable length for digital inputs (1-6) 30 meters Max cable length for analog inputs (1-4) 15 meters Digital outputs 6 power relays with bistable coil •...
  • Page 18: Dimensions

    Dimensions FIGURE 8 DIMENSIONS Hardware Guide...
  • Page 19: Disposal

    Disposal (Waste Electrical & Electronic Equipment) (Applicable in the European Union and other European countries with separate collection systems). This marking on the product, accessories or literature indicates that the product should not be disposed of with other household waste at the end of their working life. To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate these items from other types of waste and recycle them responsibly to promote the sustainable reuse of material resources.
  • Page 20: Standards

    Standards This device complies with the essential requirements of the following directives: ✓ 2004/108/CE (EMC) ✓ 2006/95/CE (Low Voltage) ✓ 2011/65/UE (RoHS). Hardware Guide...

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