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25. Page 25 Cat. Nº: ABOX - 104 - 001 - 71 11 I/0 technical details Relay

26. Page 26 Cat. Nº: ABOX - 104 - 001 - 71 Analog Out Turn - on

1. Cat. Nº: ABOX - 104 - 001 - 71 USER GUIDE PLC Arduino ARDBOX 20 I/Os Relay HF

2. Page 2 Cat. Nº: ABOX - 104 - 001 - 71

27. Page 27 Cat. Nº: ABOX - 104 - 001 - 71 Analog Out Turn - off Analog/Digital Input Turn - on Analog/Digital Input Turn - off

14. Page 14 Cat. Nº: ABOX - 104 - 001 - 71 Once it is selected the Ardbox Family or M - Duino family an extra option will appear on Tools: There , it can be selected the exact model for every family . Also there are some examples of programming in File - > Examples - > Ardbox Family . Furthermore there are some extra libreries that can be found in Industrial Shields github. https://github.com/IndustrialShields/

3. Page 3 Cat. Nº: ABOX - 104 - 001 - 71 PLC Arduino ARDBOX 20 I/Os Relay HF User Guide Revised March 201 8 This user guide is for version PLC Ardu ino ARDBOX 20 I/Os Relay HF, with Reference name Ref.IS.AB20REL - HF only. For older versions refer to user guide with Cat. No. ABOX - 004 - 001 - 70

13. Page 13 Cat. Nº: ABOX - 104 - 001 - 71 3. Press OK to save the changes. 4. Go to: Tools - > Board: ... - > Boards Manager 5. Search for industrialshields on the searcher. 6. Click install ( selecting the latest version ) . Following this steps you will be able to use now the Industrial Shields Boards:

16. Page 16 Cat. Nº: ABOX - 104 - 001 - 71 - Select correct port. Now everything is set up to upload a sketch to Ardbox Relay HF 6 How to connect PLC to power supply - Ardbox Family PLCs are 12 to 24Vdc supplied. IMPORTANT: The polarity IS NOT REVERSAL! - Make sure that the live and GND connector of the power supply match the PLC. - Make sure that the power supply mains output is not higher than 24Vdc.

29. Page 29 Cat. Nº: ABOX - 104 - 001 - 71 13 ARDBOX Family Dimensions : 45mm width 14 DIN rail mounting:

6. Page 6 Cat. Nº: ABOX - 104 - 001 - 71 Disclaimers Weights and Dimensions Dimensions and weights are nominal and they are not used for manufacturing purposes, even when tolerances are shown. Performance Data Performance data given in this manual is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of INDUSTRIAL SHIELDS’s test conditions, and the users most correlate it to actual application requirements. Actual performance is subject to the INDUSTRIAL SHIELDS Warranty and Limitations of Liability. Change in Specifications Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change model numbers when features are changed, or published ratings or when significant construction changes are made. However, some specifications of the products may be changed without any notice. When in doubt, special numbers may be assigned to fix or stablish key specifications for your applicati on on your request. Please consult with your INDUSTRIAL SHIELDS representative at any time to confirm actual specifications of purchased products. Errors and Omissions The information in this document has been carefully checked and is believed to be accur ate; however, no responsibility is assumed for clerical, typographical, or proofreading errors, or omissions.

7. Page 7 Cat. Nº: ABOX - 104 - 001 - 71 Warranty and Limitations of Liability Warran t y Industrial Shields’s exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by Industrial Shields. INDUSTRIAL SHIELDS MAKES NO REPRESENTATION OR WARRANTY, EXPRESS OR IMPLIED, REGARDING MERCHANABILITY , NON - INFRINGEMENT, OR FITNESS FO R PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. INDUSTRIAL SHIELDS DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPL IED Limitations of Liability INDUSTRIAL SHIELDS SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANY, NEGLIGENCE, OR STRICT LIABILITY. If no event shall the responsibility of INDUSTRIAL SHIELDS for any act exceed the individual price of the product on which liability is asserted. IN NO EVENT SHALL INDUSTRIAL SHIELDS BE RESPONISBLE FOR WARRANTY, REPAIR OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS INDUSTRIAL SHIELDS’S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPIATE MODIFICATION OR REPAIR.

30. Page 30 Cat. Nº: ABOX - 104 - 001 - 71 About Industrial Shield s: Direction: Fàbrica del Pont, 1 - 11 Zip/Postal Code: 082 72 City: Sant Fruitós de Bages (Barcelona) Country: Spain Telephone: ( +34 ) 938 760 191 / (+34) 635 693 611 Mail: industrialshields@industrialshields.com

4. Page 4 Cat. Nº: ABOX - 104 - 001 - 71 Preface This User Guide is been implemented by Boot & Work, S.L. working under the name Industrial Shields. Purpose of the manual The information contained in this manual can be used as a reference to operating, to functions, and to the technical data of the signal modules, power supply modules and interface modules. Intended Audience This User Guide is intended for the following audience:  Persons in charge of introducing automation devices .  Persons who design automation systems .  Persons who install or connect automation devices .  Persons who manage working automation installation . Warnings:  Unused pins should not be connected. Ignoring the directive may damage the controller.  Improper use of this product may severely damage the controller.  Refer to the controller’s User Guide regarding wiring considerations.  Before using this product, it is the responsibility of t he user to read the product’s User Guide and all accompanying documentation.

12. Page 12 Cat. Nº: ABOX - 104 - 001 - 71 Flash Memory 32kb of which 4 kb are used by bootloader Program capacity (SRAM) 2 .5 kb EEPROM 1kb Clock Speed 16MHz 4 Software interface Industrial Shields PLC are programmed using Arduino IDE, which is a software based on the C language. They can also be programmed using directly C but it is much easier working with Arduino IDE as it provides lots of libraries that helps in the programming . Furthermore Industrial Shields provides boards for programming the PLCs much easier. Basically it is no needed to define the pins and if that pins are inputs or outputs. Everything is set up automatically if using the boards. In order to install Indust rial Shields boards, these are the steps that must be followed. Requirements: Arduino IDE 1.8.0 or above (better to have always the latest version). Steps: 1. Open Arduino IDE and g o to: “ File - > Preferences ” located in the top left corner. 2. I n Additional Boards URLs write the following: http://apps.industrialshields.com/main/arduino/boards/package_industrialshields_index.json

15. Page 15 Cat. Nº: ABOX - 104 - 001 - 71 5 How to connect PLC Arduino to PC - Connect USB port from PLC to PC. NOTE: Ardbox Family use micro USB cable. - Open Arduino IDE interface: - Select Industrial Shields boa rd s - > Ardbox Family - Select the correct Ardbox Relay Board. If it is used the latest version of Industrial Shields boards it will appear 4 different Ardbox Relay boards: The ones that have to be used for the 104 - 001 - 71 Ardbox Relay HF are the following ones:  Ardbox Relay HF w/ HW RS - 485  Ardbox Relay HF w/ HW RS - 232 * HW is the abbreviation of Hardware, so depending on the Hardware Serial it will be used, it is needed to select one or the other. See section 11 to configure the equipment to work with RS - 232 Hardware Serial or RS - 485 Hardware Serial. If it is not used the RS - 232 & RS - 485 it is needed to select the board Ardbox Relay HF w/ HW RS - 485. See section 9 - 10 to enable the featur es that are disabled if using RS - 485 protocol that will get enabled as there is no RS protocol .

5. Page 5 Cat. Nº: ABOX - 104 - 001 - 71 A pplication Considerations and Warranty Read and Understand this Manual Please read and understand this manual before using the product . Please consult your comments or questions to Industrial Shields before using the product. Application Consideration THE PRODUCTS CONTAINED IN THIS DOCUMENT ARE NOT SAFETY RATED. THEY SHOULD NOT BE RELIED UPON AS A SAFETY COMPONENT OR PROTECTIVE DEVICE FOR ENSURING SAFETY OF PERSONS, AS THEY ARE NOT RATED OR DESSIGNED FOR SUCH PURPOSES. Please know and observe all prohibitions of use applicable to the products. FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM A S A WHOLE HAS BEEN DESSIGNED TO ADDRESS THE RISKS , NEVER USE THE INDUSTRIAL SHIELDS PRODUCTS . NEVER USE THE INDUSTRIAL SHIELDS PRODUCT S BEFORE THEY ARE PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. Industrial S hields shall not be responsible for conformity with any codes, regulations or standards that apply to the combination of products in the customer’s application or use of the product. The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses may be suitable for the products:  Systems, machines, and equipment that could present a risk to life or property.  Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machine, vehicles, safety equipment, and installation subject to separate industry or government regulations.  Outdoor use, uses i nvolving potential chemical contamination or electrical interference, or conditions or uses not described in this document. At the customer’s request, INDUSTRIAL SHIELDS will provide applicable third party certification documents identifying ratings and l imitations of use that apply to the products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the system, machine, end product, or other application or use.

11. Page 11 Cat. Nº: ABOX - 104 - 001 - 71 3 Technical Specifications 3.1 Ge neral Specifications: Power supply voltage DC power supply 12 to 24Vdc Operating voltage range DC power supply 11.4 to 25.4Vdc Power consumption DC power supply 30VAC max. External power supply Power supply voltage 12 to 2 4Vdc Power supply output capacity 1.3A Insulation resistance 20MΩ min.at 500Vdc between the AC terminals and the protective earth terminal. Dielectric strength 2.300 VAC at 50 to 60 HZ for one minute with a leakage current of 10mA max. Between all the external AC terminals and the protective earth terminal. Shock resistance 80m/s2 in the X, Y and Z direction 2 times each. Ambient temperature (operating) 0º to 45ºC Ambient humidity (operating) 10% to 90% (no condensation) Ambient environment (operating) With no corrosive gas Ambient temperature (storage) - 20º to 60ºC Power supply holding time 2ms min. Weight 340 g max. 3.2 Performance Specification: Arduino Board ARDUINO LEONARDO Control method Stored program method I/O control method Combination of the cyclic scan and immediate refresh processing methods. Programming language Arduino IDE. Based on wiring (Wiring is an Open Source electronics platform composed of a programming language. “similar to the C”. http:/ /arduino.cc/en/Tutorial/HomePage Microcontroller ATmega32u4

28. Page 28 Cat. Nº: ABOX - 104 - 001 - 71 12 Connector details The connector inside the PLCs that mounts on the PCB is MC 0,5/10 - G - 2,5 THT – 1963502 from Phoenix contact. MC0,5/10 - G - 2,5THT For I/O and power supply there is a FK - MC 0,5/10 - ST - 2,5 - 1881406 connector from Phoenix contact . FK - MC 0,5/10 - ST - 2,5 Connection details: Article reference MC 0,5/10 - G - 2,5 THT Height 8,1mm Pitch 2,5mm Dimension 22,5mm Pin dimensions 0,8x0,8mm Pin spacing 2,50mm Article reference FK - MC 0,5/10 - ST - 2,5 Rigid conduit section min. 0,14 mm² Rigid conduit section max. 0,5 mm² Flexible conduit section min. 0,14 mm² Flexible conduit section max. 0,5 mm² Conduit section AWG/kcmil min. 26 Conduit section AWG/kcmil max. 20

22. Page 22 Cat. Nº: ABOX - 104 - 001 - 71 9 Jumper configuration 9.1 General jumper configuration This jumper zone makes the selection between using the RS - 485 Full Duplex or the Analog Outputs. If it is wanted to use the RS - 485 Full Duplex communication protocol the Y+ must be connected to ENABLE, and Z - also connected to ENABLE. If it is wanted to use the Analog Out puts, The A0.0 must be connected to ENABLE, and A0.1 also connected to Enable This jumper zone makes the choosing between connecting the inputs I0.2, I0.3 to pins 4, 8 of the Arduino Leonardo respectively, or connect the RS - 232 ports to activate the Software Serial RS - 232. In order to use the inputs I0.2,I0.3 the jumper must be connected to the pins 4,8. So I0.2 must be connected with D4 and I0.3 must be connected to D8. T his jumper makes the choosing between connecting MAX232 to pins 0,1 of the Arduino Leonardo or with the MAX485. In order to use the RS - 232 Hardware Serial protocol both RS - 232 must be connected to the D1/D0. In order to use the RS - 485 Hardware Serial proto col both RS - 485 must be connected to the D1/D0. *The jumpers that are not connected to the middle jumpers MUST NOT be connected anywhere. JUMPER ZONE 1 LEFT RIGHT Y+ Z - ENABLE ENABLE A0.0 A0.1 JUMPER ZONE 2 LEFT RIGHT I0.2 I0.3 D4 D8 RS - 232 RS - 232 JUMPER ZONE 3 UP RS - 485 D1 RS - 232 DOWN RS - 485 D0 RS - 232

10. Page 10 Cat. Nº: ABOX - 104 - 001 - 71 2 Precautions 3.1. Arduino Board All Ardbox family products use Arduino LE ONARDO Board. 3.2. Intended Audience This manual is intended for technicians , which must have knowledge of electrical systems. 3.3. General Precautions The user must operate the product according to the performance specifications described in the operation manuals. Before using the product under conditions, which are not described in the manual or applying the produ ct to nuclear control systems, railroad systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment and other systems, machines, and equipment that may have a serious influence on lives and property if u sed improperly, consult your INDUSTRIAL SHIELDS representative. Make sure that the rating and performance characteristics of the product are sufficient for the systems, machines, and equipment, and be sure to provide the systems, machines, and equipment wi th double safety mechanisms. This manual provides information for programming and operating the Unit. Be sure to read this manual before attempting to use the Unit keep this manual close at hand for reference during opera t ion. I min: 5/10 mA Separated PCB ground OUTPUTS Digital Isolated range: 5 to 24 Vdc (4.6 to 25.4 Vdc) Analog range: 0 to 10 Vdc Relay 8 Imax: 5A (See Relay Specification in i/o technical details) Analog 8 bits 2 0 to 10 Vdc I max: 40 mA Separated PCB ground Expandability I2C * – RS232 * - RS485 * – SPI – USB Reference IS.AB20REL . HF * By using this type of signal you can no longer use D igital signal Y ou must read product Datasheet.

9. Page 9 Cat. Nº: ABOX - 104 - 001 - 71 1 ARDBOX A compact PLC based in Open Source Hardware technology. With different Input/Outputs Units. COMPACT PLC ARDUINO ARDBOX 20 I/Os RELAY HF Alimentation Voltage 12 to 24Vdc Fuse protect ion ( 2.5 A) Polarity protection Max. current consumption 1 ,5A Size 100x45x115 Clock Speed 16MHz Flash Memory 32KB of which 4KB are used by bootl o ader SRAM 2 .5 KB EEPROM 1KB Communications I2C – USB -- RS232 -- RS485 – SPI TOTAL Input points 10 TOTAL Output points 10 INPUTS Digital range: 5 to 24 Vdc (3.8 to 25.4 Vdc) Analog range: 0 to 10 Vdc Digital 10 5 to 24Vdc I min : 3/6 mA Separated PCB ground Analog 10 bits 6 of 10 Digital input 0 to 10V Input Impedance: 39K Separated PCB ground * Interrupt HS 4 of 10 Digital input 5 to 24Vdc

23. Page 23 Cat. Nº: ABOX - 104 - 001 - 71 10 Hardware Serial RS - 232 & RS - 485 Configuration 10.1 Hardware Serial RS - 232 In order to enable the Hardware Serial RS - 232 the total configuration of the Ardbox Relay HF will be: Switch configuration: Jumper configuration: Having configured Ardbox Relay HF as it is shown above, these are the features that are available: o Available communication protocols:  Hardware Serial RS - 232.  I2C *If I2C is active R5 & I0.0 are disabled  SPI o Inputs: All 10 inputs, from I0.0 to I0.9. If using I2C I0.0 is disabled o Relay Outputs: From R1 to R6 . If using I2C R5 is disabled. R7 and R8 are disabled from the TOP ZONE switch. o Analog Outputs: A0.0 & A0.1 LEFT ZONE SWITCH MODE NC - H/F - SCL/R5 - SDA/I0.0 - RE - RS485 OFF I0.4 ON DE - RS485 OFF I0.5 ON TOP ZONE SWITCH MODE DI - RS - 485 ON R8 OFF DO - RS - 485 ON R7 OFF JUMPER ZONE 1 LEFT RIGHT NC NC ENABLE ENABLE A0.0 A0.1 JUMPER ZONE 2 LEFT RIGHT I0.2 I0.3 D4 D8 NC NC JUMPER ZONE 3 UP NC D1 RS - 232 DOWN NC D0 RS - 232

20. Page 20 Cat. Nº: ABOX - 104 - 001 - 71 1. D 1 – RS - 485: If this switch is ON, the R8 switch must be set to OFF. Being in ON mode it enables DI for the RS - 485 and RS - 232 Hardware Serial ( see section 9 for jumper configuration) 2. R8: If this switch is ON, the DI – RS - 485 switch must be set to OFF. Being in ON mode it enables the Relay 8. 3. D0 – RS - 485: If this switch is ON, the R7 switch must be set to OFF . Being in ON mode it enables D0 for the RS - 485 or RS - 232 Hardware Serial ( see section 9 for jumper configuration ) 4. R7: If this switch is ON, the D0 – RS - 485 switch must be set to OFF. Being in ON mode it enables the Relay 7. 8.2 RS - 485 Switch configuration RS - 485 TOP ZONE : In order to enable the RS - 485 protocol the TOP ZONE must be configured as it is shown in the table. Although the switch name only is referenced to RS - 485 it is also the same for the RS - 232. Having this set up, the R7 & R8 are disabled. RS - 485 LEFT ZONE: The H/F can be set up as ON or OFF. If it is wished to use the RS - 485 Half Duplex (A+, B - ) it has to be ON. For using the RS - 485 Full Duplex (A+, B - , Y+, Z - ) it has to be OFF. The switch RE - RS485 and DE - RS485 must be set in ON mode. As these pins are set to ON, the other 2 (I0.4, I0.5) must be set to OFF. Being in OFF mode they are completely disabled. The switches marked as “ – “ don’t interfere with the RS - 485 communication protocol. * To enable the RS - 485 communication it is needed to configure also the jumpers, see Section 10 TOP ZONE SWITCH MODE DI - RS - 485 ON R8 OFF D0 - RS - 485 ON R7 OFF LEFT ZONE SWITCH MODE NC - H/F ON/OFF SCL/R5 - SDA/I0.0 - RE - RS485 ON I0.4 OFF DE - RS485 ON I0.5 OFF

21. Page 21 Cat. Nº: ABOX - 104 - 001 - 71 8.3 RS - 232 Switch configuration RS - 232 TOP ZONE : In order to enable the RS - 232 protocol the TOP ZONE must be configured as it is shown in the table. Although the switch name only is referenced to RS - 485 it is also the same for the RS - 232. Having this set up, the R7 & R8 are disabled. RS - 232 LEFT ZONE: As both RS - 232 & RS - 485 can’t work at the same time, the RE - RS485 and DE - RS485 have to be in OFF mode, so this enables the I0.4, I0.5 inputs. * To enable the RS - 232 communication i t is needed to configure also the jumpers, see Section 10 8.4 I2C Switch configuration To enable I2C configuration the switches SCL/R5 & SDA/I0.0 must be set to ON. As they are in ON mode R5 & I0.0 are disabled. The switches marked as “ – “ don’t interfere with the I2C communication protocol. TOP ZONE SWITCH MODE DI - RS - 485 ON R8 OFF DO - RS - 485 ON R7 OFF LEFT ZONE SWITCH MODE NC - H/F - SCL/R5 - SDA/I0.0 - RE - RS485 OFF I0.4 ON DE - RS485 OFF I0.5 ON TOP ZONE SWITCH MODE DI - RS - 485 - R8 - DO - RS - 485 - R7 - LEFT ZONE SWITCH MODE NC - H/F - SCL/R5 ON SDA/I0.0 ON RE - RS485 - I0.4 - DE - RS485 - I0.5 -

24. Page 24 Cat. Nº: ABOX - 104 - 001 - 71 10.2 Hardware Serial RS - 485 In order to enable the Hardware Serial RS - 485 the total configuration of the Ardbox Relay HF will be: Switch configuration: Jumper configuration: Having configured Ardbox Relay HF as it is shown above, these are the features that are available: o Available communication protocols:  Hardware Serial RS - 485 .  I2C *If I2C is active d R5 & I0.0 are disabled  SPI o Inputs: All 10 inputs except for input I0.4, I0.5 as they are disabled from the LEFT ZONE switch. If using I2C I0.0 is disabled o Relay Outputs: From R1 to R6 . If using I2C R5 is disabled. R7 and R8 are disabled from the TOP ZONE switch. o Analog Outputs: A0.0 & A0.1 if RS - 4 85 is working in Half Duplex. They are disabled if using RS - 485 Full Duplex, see the JUMPER ZONE 1 from above. LEFT ZONE SWITCH MODE NC - H/F ON/OFF SCL/R5 - SDA/I0.0 - RE - RS485 ON I0.4 OFF DE - RS485 ON I0.5 OFF TOP ZONE SWITCH MODE DI - RS - 485 ON R8 OFF DO - RS - 485 ON R7 OFF JUMPER ZONE 1 HALF DUPLEX LEFT RIGHT Y+ Z - ENABLE ENABLE A0.0 A0.1 JUMPER ZONE 2 LEFT RIGHT I0.2 I0.3 D4 D8 NC NC JUMPER ZONE 3 UP RS485 D1 NC DOWN RS485 D0 NC JUMPER ZONE 1 FULL DUPLEX LEFT RIGHT Y+ Z - ENABLE ENABLE A0.0 A0.1

19. Page 19 Cat. Nº: ABOX - 104 - 001 - 71 8 S witch configuration 8.1 General Switches Configurations LEFT ZONE. Communications and inputs/outputs ca n not work simultaneously. 1. NC – Not Connected 2. H/F – Choosing between Half/Full Duplex for the RS485 communication. In order to use Full Duplex, it has to be considered t he TOP ZONE and the JUMPER ZONE (*see section 10). 3. SCL/R5 – Choosing between SCL (I2C) and R5. If the switch is ON, the R5 will be enabled and the SCL will be disabled. If the switch is OFF, SCL will be now enabled and R5 disabled. 4. SDA/I0.0 - Choosing between SDA (I2C) and I0.0. If the switch is ON, the I0.0 will be enabled and the SDA will be disabled. If the switch is OFF, SDA will be now enabled and R5 disabled. 1. RE - RS485 – If this switch is ON, the I0.4 switch must be set to OFF. Being in ON mode it enables RE for the RS - 485. 2. I0.4 – If this switch is ON, the RE - RS485 switch must be set to OFF. Being in ON mode it enables the input I0.4. 3. DE - RS485 – If this switch is ON, the I0.5 switch must be set to OFF. Being in ON mode it enable s DE for the RS - 485. 4. I0.5 – If this switch is ON, the DE - RS485 switch must be set to OFF. Being in ON mode it enables the input I0.5. TOP ZONE. Communications and outputs ca n not work simultaneously. LEFT ZONE SWITCH ON O FF NC - - H/F Half Duplex Full Duplex SCL/R5 R5 SCL SDA/I0.0 I0.0 SDA RE - RS485 RE - RS485 I0.4 I0.4 I0.4 RE - RS485 DE - RS485 DE - RS485 I0.5 I0.5 I0.5 DE - RS485 TOP ZONE SWITCH ON OFF D1 - RS - 485 RS - 232/485 R8 R8 R8 RS - 232/485 D0 - RS - 485 RS - 232/485 R7 R7 R7 RS - 232/485

17. Page 17 Cat. Nº: ABOX - 104 - 001 - 71 - Suggested power suppliers 7 A rdbox Relay HF I/O Pinout: 7.1 Zone Connections HS*: Hardware Serial SS*: Software Serial 1 See section 9 to enable these connections 2 See section 10 to enable these connections Base (common unit) LEFT ZONE Ardbox Connector Arduino Pin RS - 232 HS* Arduino Pin RS - 232 SS* Function MISO MOSI SCK RESET 5VdC GND RX - RS - 232 1 ,2 TX - RS - 232 1 ,2 SDA - PIN2 1 SCL - PIN3 1 R1 R2 R3 GND 24V 14 16 15 - - - 1 0 2 3 10 9 6 - - 14 16 15 - - - 8 4 2 3 10 9 6 - - SPI - MISO SPI - MOSI SPI - CLOCK SPI - RESET 5V Output GND Serial/RS232 Serial/RS232 I2C/SPI SS I2C/SPI SS Relay 1 Out Relay 2 Out Relay 3 Out GND - * Not recommended for industrial applications . The Jack connector needs to be removed and use the live and GND connectors. LEFT ZONE Switch config* (see section 9 for Communications configuration. Enabling Communications disables some I/Os) Communications pinout Relay Outputs Power supply connectors (24Vdc – Gnd) Din RAIL Power Supply, ac - dc, 30W, 1 Output 1.3A at 24Vdc

18. Page 18 Cat. Nº: ABOX - 104 - 001 - 71 Base (common uni t) RIGHT ZONE Ardbox Connector Arduino Pin RS - 485 HD* Arduino Pin RS - 485 FD* Function B - A+ Z - /A0.1 Y+/A0.0 R4 R5 I0.9 I0.8 I0.7 I0.6 I0.5 1 I0.4 1 I0.3 2 I0.2 2 I0.1 I0.0 1 R6 R7 1 R8 1 - - 11 13 5 3 A5 A4 A3 A2 A1 A0 8 4 12 2 7 0 1 - - - - 5 3 A5 A4 A3 A2 A1 A0 8 4 12 2 7 0 1 RS485 RS485 RS485/Analog Output RS485/Analog Output Relay 4 Out Relay 5 Out Analog/Digital Input Analog/Digital Input Analog/Digital Input Analog/Digital Input Analog/Digital Input Analog/Digital Input Digital Input/ Interrupt Digital Input/ Interrupt Digital Input/ Interrupt Digital Input/ Interrupt Relay 6 Out Relay 7 Out Relay 8 Out Power LED Arduino Reset button Input / Output LED RIGHT ZONE RS - 485 pinout Analog Outputs Pinout Relay Outputs Inputs pinout Relay Outputs Config switch * (see section 9 for communications configuration)

8. Page 8 Cat. Nº: ABOX - 104 - 001 - 71 Tab le of C ontents 1 ARDBOX ................................ ................................ ................................ ....................... 9 2 Precautions ................................ ................................ ................................ ................ 10 3.1. Arduino Board ................................ ................................ ................................ ... 10 3.2. Inten ded Audience ................................ ................................ ............................ 10 3.3. General Precautions ................................ ................................ .......................... 10 3 Technical Specifications ................................ ................................ ............................ 11 3. 1 General Specifications: ................................ ................................ ...................... 11 3.2 Performance Specification: ................................ ................................ ............... 11 4 Software interface ................................ ................................ ................................ ..... 12 5 How to connect PLC Arduino to PC ................................ ................................ ........... 15 6 How to connect PLC to power supply ................................ ................................ ....... 16 Din RAIL Power Supply, ac - dc, 30W, 1 Output 1.3A at 24Vdc ................................ .......... 17 7 Ardbox Relay HF I/O Pinout: ................................ ................................ ..................... 17 7.1 Zone Connections ................................ ................................ .............................. 17 8 Switch configuration ................................ ................................ ................................ . 19 8.1 General Switches Configurations ................................ ................................ ...... 19 8.2 RS - 485 Switch configuration ................................ ................................ ............ 20 8.3 RS - 232 Switch configuration ................................ ................................ ............ 21 8.4 I2C Switch configuration ................................ ................................ ................... 21 9 Jumper configuration ................................ ................................ ................................ 22 9.1 General jumper configuration ................................ ................................ ........... 22 10 Hardware Serial RS - 232 & RS - 485 Configuration ................................ .................. 23 10.1 Hardware Serial RS - 232 ................................ ................................ ..................... 23 10.2 Hardware Serial RS - 485 ................................ ................................ ..................... 24 11 I/0 technical details ................................ ................................ ............................... 25 12 C onnector details ................................ ................................ ................................ .. 28 13 ARDBOX Family Dimensions: ................................ ................................ ................. 29 14 DIN rail mounting: ................................ ................................ ................................ . 29