PDF datasheet - EV
Contents
1. ICSP and can be further used for adjusting EVSE current See Features chapter imple evse 1 wallbox X1 X2 and PROG connector X1 connector pin name description L phase 230V power supply for EVSE board and external N seura contactor PE protection earth Ground reference rel relay output This output drives coil of an external contactor Maximum allowed current is 3A X2 connector pin name description AN analog input Used for button or current sensor input LED external LED Includes 1k resistor onboard connects to LED anode against ground GND ground Ground reference 5V 5V power output Used as a power supply for external current sensor max 40mA PP proximity pilot To vehicle connector CP control pilot To vehicle connector PROG connector pin name description 1 Vpp ICSP RFU marked by rectangle 2 Vop 5V 3 GND Ground 4 DAT ICSP current boost function 5 CLK ICSP current limit function reserved for future use firmware upgrade interface Features Current limitation using PROG pin 5 Check the table for details of how you can set the maximum current This settings will override PIN 4 settings PROG connector connection current limit pind gt 4 5 V open internal pull up only 32 A default 2 5 V lt pin5 lt 4 5 V 100 200k resistor to GND 25A 0 2 V lt2. pin5 lt 2 5 V 3 20k resistor to GND 16 A pin5 lt 0 2 V tied to GND 10 A resistor value may differ since internal pull up has no defined value from production 50k supposed in most cases 100k for 25A and 5k for 16A is recommended Current boost using PROG pin 4 Check the table for details of how you can set the maximum current PROG connector connection current limit pind gt 4 5 V open internal pull up only 32 A default 2 5 V lt pin4 lt 4 5 V 100 200k resistor to GND 48A 0 2 V lt pin4 lt 2 5 V 3 20k resistor to GND 63 A pin4 lt 0 2 V tied to GND 80 A resistor value may differ since internal pull up has no defined value from production 50k supposed in most cases 5k for 63A and 100k for 48A is recommended Precise current setting with Analog Input Press and hold button connected to Analog input AN of X2 for a few seconds until LED Starts to blink rapidly Then count LED blinks which correspond to number of ampers Please note that this limit will be set until you reboot the EVSE make a power cycle Button is connected the way that it pulls the signal down to ground level lt 1V Current limitation based on external hall sensor experimental Simple EVSE Wallbox can tell the vehicle to follow the actual PV power plant production Only hall sensor Amploc 25 output must be connected to the analog input of the board AN Sensor is powered from 5V Current
3. Simple EVSE Wallbox datasheet Table of Contents MEO CWO e a E E E E E E sce REA me fIIPSt cece ecccccccccececceeeeeeeeeeeeeeeeeesseeeseaeeseeeeeeeeseuseseeseseuseseeeeseeeseeeaeeaeeeeesaeesgeegags TEMG ORY CWO CT AMON sssrin iaa EE EE ea aaa airaa NUN e EE E E EE E BOTO OC CAP WO ore nran eE E E EEEE ET E E E E donee nmeademeeniene deumenagacadesensaseue FoU OO E E E E nneseaceseutuvpeeestaaunenneetioes Current limitation using PROG pin 5 senssnresrnnsrnsrrrsrrrerrnrrrsrrrsrrnerrsrrrernrrnrenrnrrerene gt Current boost using PROG pin 4 sssussnnssnssrnerrrnrrrsrrnrrrnrrrnrrrerrerrrnrrrnrrnsrrnrrrerrrrrrerrrne Precise current setting with Analog INput nesnnnennneneennernnnnrnsrrnrrnnrrrerrrnrnrrrrerrereernne Current limitation based on external hall sensor experimental cccceeesseeeeeeeees EXO LED ea cert cere epee ie tein ie ee nee ste new settee enced acetonide EEEN PAOD ICAO CX ANOS Sic scscs teat eases ge gees saan see ntiaesctraanesaeeeds EEE TE Minimal 6 ONIN CO essin annaa oedaceaciam st aseuaie eonaeistsesceeotenseenaceeeemens OZ ES WMI COSC U ON NI a ke atten el re ats eee cates ada ES US TOMAS SOV ONS osgo ns EE E E E E PaSA GG WTI ON ngra Last document update 26 May 2015 Introduction EVSE stands for electric vehicle supply equipment It is an element that supplies electric energy for the recharging of electric or plug in vehicles Read me first The EVSE board is sup
4. lbox Control Pilot PWM contactor Button optional J1772 connector signal and power wires Recommended contactors You should use relays contactors equipped with 230V coil and connect them directly to the board connector X1 Here are some examples which relays can be used The most common one 4pole contactor 25A can be easily obtained in local electrical accessories shop Conrad K amp V Elektro e 3 phase maximum current 20A VS420 e g Tesla 11 kW http eshop elkoep com vs420 40 230v ac detail Y U00000101 aspx e 3 phase maximum current 40A VS440 e g Tesla 22 kW ZOE 22 kW http eshop elkoep com vs440 40 230v ac dc detail OVO0000101 aspx http www tme eu cz details rik40 22 230 stykace hlavni moduly iskra sistemi ik40 22230vac e 1 phase maximum current 16 20A e g Peugeot iOn 3 kW http eshop elkoep com vs120 10 230v ac dc detail CM60000101 aspx http www tme eu cz details rik20 11 230 stykace hlavni moduly iskra sistemi ikd20 11230vac http www tme eu cz details rt314730 elektromagneticka rele miniaturni te connectivity 0 1393240 7 e 1 phase maximum current 40A e g Nissan Leaf 6 6 kW http www tme eu cz details r40n1021855220 elektromagneticka rele pro velke proudy relpol r4On 1021 85 5220 or use normal 4 pole contactor NOTE In some cases it would be possible to use 12V coil relay maximum 0 8W coil consumption however this approach requires desoldering the original relay a
5. nd is recommended only to advanced users Automotive relays can handle sufficient currents however their voltage rating is not high enough AC1 20A 3 400v 13kW 3 400V AC3 2 2kW 3 400V Customer solutions J1772 EVSE with 32A CEE 5pin plug sent by 1gachren Schuko 16A Tesla charging plug sent by sefik Flashing new firmware By flashing new firmware you could possibly upgrade the EVSE to support some future improvements which are currently not known Microchip IPE utility PICKit 3 hardware is required for this purpose https microchip wikidot com ipe what is ipe Fo a q Th lt a SS x 7 _ de ees Using PICkit3 to flash new software 1 install MPLAB X software http Awww microchip com mplabx 2 enable advanced mode in settings and check Power Target Circuit from Tool in Power tab on the left 3 put device id PIC16F1825 and connect to your PICKit 4 select HEX file and click Program the device Integrated Programming Environment v2 30 xX File View Settings Help Select Device and Tool Results Family All Families M Checksum FC25 Device PIC16F1825 ME Apply AIDS Fail count 5 i Tool PICkit3 S No BUR124174743 x Disconnect tal Count Source Browse SQTP Browse Less Output Programming download Downloading RS RS download complete Programming download Downloadi
6. ng AP AP download complete Programming download Firmware Suite Version 01 35 16 Firmware type Enhanced Midrange Target device was not found could not detect target voltage VDD You must connect to a target device to use PICkit 3 2015 05 26T12 42 42 0200 Loading hex file Please wait Loading code from home kortas Documents Projects simple evse HEX simple evsel 1 X production_r3 hex 2015 05 26T12 42 42 0200 Hex file loaded successfully 10
7. plied with default 32A settings Please check the chapter Features for more information about further possibilities of changing maximum charging current 220 Ohm Rep is included with the kit pre hard wired Theory of operation Pilot signal duty cycle provided by EVSE defines maximum charging capacity The car can define several states by pulling the pilot signal down to certain voltage levels 3V 6V 9V Based on this feedback EVSE will trigger the relay for the vehicle to charge or evaluate the state as an error electricity will not be provided to the output socket connector For more information please check e http en wikipedia org wiki IEC_62196 e http en wikipedia org wiki SAE_J1772 e https github com kortas87 simple evse wiki https code google com p simple evse Resistance PP PE max cable throughput Resistance ohm Current limit A Wire cross section mm gt 1500 6 1500 13 15 680 20 2 5 220 32 6 100 63 16 lt 100 80 no resistor connected recommended 50 Ohm Compatibility e Tesla Model S e Nissan Leaf e Mitsubishi iMiev Peugeon iOn Citroen cZero e Opel Ampera e eGolf e Mitsubishi Outlander PHEV e Citroen Berlingo Electrique e and others Board description Simple EVSE board has 2 connectors 4 pin X1 for high voltage side and 6 pin for signaling wires and control There is also PROG connector used for new firmware flashing
8. will be gradually increased when overflow to a public network is detected When PV production decreases then duty cycle will be reduced down to a minimum of 6A charging current External LED Using the pin LED you can directly connect LED to indicate EVSE status The output includes 1k resistor External LED has the same indication function as LED onboard Application examples In these application examples we suppose that customer uses appropriate contactor with 230V coil Please check section Recommended contactors Minimal connection 1 phase EVSE using DSIEC 2E cable PWM duty will be limited by the size of Rpp refer to the Theory of operation chapter If you do not connect any Rpp current will be limited to only 6A If your EVSE includes cable which cannot be exchanged for weaker one then you can hard wire Rpp resistor for cable s nominal value mple evse h P wallbox DSIEC 2E Type2 connector signal and power wires 32A EVSE with connector J1772 With EVSE Wallbox board you can quickly build a charging station for your Nissan Leaf 6 6kW or any other vehicle equipped with J1772 plug Optional Analog Input connection The internal J1772 connection allows to use S1 proximity button as an auxiliary button for EVSE With the help of this button you can easily change charging current with the smallest step of 1A See Features J1772 proximity button Precise current setting connection detail imple evse wal
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