Digital AC/DC Power Supply USER MANUAL
Contents
1. a p N gt D s 8 o 6 6 E c E T OC O90 O gt U Oo oooo o 17 32 440 MS Dl Mc x N oO Im m H If oo H ET 61 Ln 19 0 483 Document Version V4 1 26 6 00 BEIJING EPSOLAR TECHNOLOGY CO LTD Tel 86 10 82894112 82894962 82894528 Fax 86 10 82894882 E mail info epsolarpv com Website www epsolarpv com www epever com Address BLDG 18 CO PARK NO 8 HEYING ROAD CHANGPING DISTRICT BEIJING CHINA 1022002. the page cyclically Press or button to jump to the first or last page V Real time Interface Output Voltage The interface of Real time Output Voltage will be VOUT 48 0 displayed if the initialization is normal During setting the first digit flashes when pressing SET 15 the flashing bit will be moved right or left by pressing gt or k the value will be added or subtracted by pressing f or Press OK or ESC button to save the value or not The current status will be maintained when setting up the device W Real time Interface Output Current The output current value can be set directly in this C OUT 20 0 page The setting procedure is the same with the output voltage The device will not stop running when setting in both modes Y Real time Output Power Real time output power can t be set in both modes POUT 1200 Y Real time Input Voltage VIN 220 Real time input voltage can t be set in both modes Y Real time Date The real time date value can be set in this page DT 14 05 18 The setting procedure is the same with the output voltage in both modes W Real time Time The real time time value can be set in this page TM 09 12 55 The setting procedure is the same with the output voltage This page exists in both modes W Set Interface Device Address
3. day Automatic reset when D GE KWH the real time is zero hour Power on Real time date DT Y M D Real time time TM H M S Equali hargi We ee SEO 40 0 576V 60 0 V voltage Float hargi oa MEPE EG 40 0 548V 60 0 V voltage Equalize Duration T EC 30 120 180 MIN Equalize Calendar CT EC 10 30 90 DAY Device address ID 0 2 180 Serial t baud P button t erial port baud SBR 9600 115200 115200 B SS Wor button to rate change the value ERIS factory RSET NO YES Press 1 or button to settings change the value The largest figure represents the latest failure The letters represent the failure code Ku The failures and pressing anv button of MODE OUT will stop the output but the current charging status will not be affected The Equalize Duration will be paused when working in equalize charging mode and the Equalize Calendar without being affected when working in float charging mode 9 Chapter VI PROTECTION FUNCTION e Input Under voltage and Over voltage Protection To prevent long term work in the case of low voltage or high voltage which will shorten the life or damage the equipment when the grid fluctuates heavily The device will be shut off when the over voltage or under voltage occurs It will be recovered automatically when the grid voltage is normal e Input Over current Protection It will trigger input over current protection when turning on the power or the
4. input current is too large cased by abnormality Output Short circuit Protection It will trigger short circuit protection when the output short circuit occurs Power supply has a once time self recovery function of output short circuit The device will be shut off after one second when the load wirings are connected together The system will be recovered automatically after 5 seconds for the first time If the load is still short circuit the system will be shut off and no longer recovered automatically If the system does not detect the short circuit fault once again after the first time within 1 minute the system will reset the self recovery function of output short circuit and repeat the above Process o Output Under voltage and Over voltage Protection 20 The device has output over voltage protection It will be shut off automatically and the LED of the corresponding failure will be lighted when the output is over voltage It will trigger under voltage protection when the output voltage is too low The system will be shut off after 2 seconds The remaining protections and self recovery mechanism are consistent with the protection of output short circuit e Bus Over voltage Protection It will trigger bus over voltage protection to prevent the equipment being damaged when the input DC bus voltage is too large caused bv abnormalitv No load Protection in Power Mode It will trigger no load protection to prevent the devi
5. time Interface Output Voltage VOUT 548 The page of real time output voltage can t be set Y Real time Interface Generating Capacity of Day Power value flashes when pressing SET Press OK or ESC button to clear the value or not W Set Interface Equalization Voltage D GE 5 15 The value of equalize voltage can be set in this V EC 57 6 page without shutdown The setting procedure is the same with the output voltage W Set Interface Floating Voltage The value of float voltage can be set in this page V EC 54 8 without shutdown The setting procedure is the same with the output voltage W Set Interface Equalization Hold Time The value of Equalize Duration can be set in this T EC 120 page The setting procedure is the same with the output voltage W Set Interface Equalization Cycle The value of Equalize Calendar can be set in this CT EC 30 page The setting procedure is the same with the output voltage Table 5 3 The parameters in charging mode Failure interface The code of failure in charging mode IOVP ILVP IOCP OOVP OLVP DOTP BOVP CFAL Item Code MIN Default MAX Unit Remark Real ti id V OUT V Fixed charging voltage Output current C OUT 0 0 20 5 20 5 A Real time output l P OUT W Fixed power Real time i eal time input VIN y Fixed power Generating Manual reset capacity of
6. Always buzzing The device needs to be Output termination turned on again after troubleshooting HMI displays Communication The device needs to be CFAL Orange failures turned on again when LED fast blink communication failure Intermittent buzzing 24 occurs Chapter VIII MAINTENANCE PROCEDURE The company is responsible for free repair within 18 months starting from the date of shipment to the original end use if the device is used under the environment and rules prescribed in the manual gt Maintenance Procedure 000000 Before requesting warranty service check the User Manual to be certain that there is a problem with the power supply Return the defective product the purchase invoice to us if problem cannot be solved To obtain rapid service under this warranty the returned products must include the product model serial number and detailed reason for the failure the operational parameters type of batteries and system loads This information is critical to a rapid disposition of your warranty claim gt This warranty does not apply under the following conditions 1 Damage by accident negligence abuse or improper use 2 Unauthorized product modification or attempted repair 3 Damage during shipment 4 Damage results from acts of nature such as lightning weather extremes 5 Irreclaimable mechanical damage 25 Chapter IX OVERALL DIMENSIONS Unit amp Gnolies
7. The device s ID can be set in this page without ID 02 W Set Interface Series Rate SBR 1152 shutdown in both modes The setting procedure is the same with the output voltage The SBR can be set in this page without shutdown in both modes The setting procedure is the same with the output voltage Press f or button to change the value W Set Interface Restore Factory settings RSET YES Restore factory settings The setting procedure is the same with the output voltage Press f or button to change the value The device will be shut down when saving the setting value Table 5 2 The parameters in power mode Item Code MIN Default MAX Unit Remark Output voltage V OUT 40 0 48 0 60 0 V Output current C OUT 0 0 20 5 20 5 A Real time output POUT W Fixed power Real time input V IN V Fixed voltage Real time date DT Y M D Real time time TM H M S Device address ID 0 2 180 Serial port baud P button t EQ MEE SBR 9600 115200 115200 B Press ior W button to rate change the value Restore factory Press for button to RSET NO YES settings change the value Failure interface Fault codes in power mode IOVP ILVP IOCP OOVP OLVP OSCP DOTP BOVP ONLP CFAL The largest figure represents the latest failure The letters represent the failure code 17 gt Charging mode W Real
8. an HD ONLP Buzzing blink Power Mode Communication Orange inieimitent failure LED fast CFAL l buzzing blink A LA there 1s no failure the table can t be recovered automatically the button will recover the original function The null items of Recovery Value which need to reapply in The green ALARM LED will be lighted on solid when Pressing any button once can stop the beep of fault alarm then Chapter VII SIMPLE TROUBLESHOOTING GUIDE Item Failure Possible Reasons Simple Solution 1 HMI displays TOVP Red LED fast blink Intermittent buzzing Output termination HMI displays ILVP Red LED slow blink Intermittent buzzing Output termination The input voltage is too high The input voltage has a great fluctuation Input undervoltage The input voltage has a great fluctuation Measuring the input voltage is too high or not Checking the value of input voltage is accurate or not If the input is mains it will be recovered automatically after mains has been recovered If the input is oil machine it needs to be turned off Then checking the state of the oil machine Measuring the input voltage is too low or not Checking the value of the input voltage is accurate or not If the input is mains it will be recovered automatically after mains has been recovered If the input is oil machine it needs to be turned off Then checking t
9. atic Diagram gt Parallel Running Multiple same type power supplies can be connected in parallel but the output voltage must be set at the same value Turn on the power supply one by one The load voltage is the same with each power supply and the load current is the sum of each power supply The wiring diagram is shown below 10 Digital Digital Digital power power power suppiv suppiv suppiv ON l l y Cathode Figure 4 2 Parallel connection Anode gt Series Running Multiple same type equipments can be connected in series but the current value of output should be set consistently Turn on the power supply one by one The load current is the same with each power supply and the voltage is the sum of each power supply The wiring diagram is shown below Suggest The output of each power supply should parallel a power resistance of 10k Iw and a protection diode pay attention to the technical parameters of the diode Digital power Digital power Digital power supply supply supply Cathode Anode Figure 4 3 Series connection 11 Chapter V OPERATION INTERFACE Section I Panel Shows Figure 5 1 Front panel Rear Panel Figure 5 2 Rear panel Illustrate D ON OFF switch 2 Human machine interface 8 RS485 port 4 CAN bus port 5 DC output Negative terminal 6 DC output Positive terminal C DC output fuse AC input socket with insuran
10. be set from 40 to 60V The DC output current can be set from 0 to 20 5A The output current is defined by the output voltage and the load resistance in power mode The product outputs constant voltage and the green LED is lighted on solid as long as the output current is lower than the limit current setpoint If the load current is greater than the current setpoint the device will be converted to constant current mode and the red LED will be lighted on solid The output can be switched automatically between the mode of constant voltage and constant current according to comparing the current setpoint with load current For example the device in the constant voltage mode will be converted to the constant current mode automatically when the load current excesses the setpoint In the same way the device in the constant current mode will be converted to the constant voltage mode automatically when the load voltage reaches at the output voltage setpoint The output voltage or current value can be set directly on real time interface in power mode The charging voltage has two points in battery charging mode one is equalize voltage and the other is float voltage The equalizing charging mode has two parameters of Equalize Duration and Equalize Calendar The equalize voltage float voltage Equalize Duration duration after the stable of equalize charging point and Equalize Calendar period between the two equalize charging mode all can be set At
11. ce Note CAN bus port is reserved Section II Human Machine Interface O O99 O O MEC MENU ESC MODE J 00 O O O MFC SET OUT Figure 5 3 Human machine interface Table5 1 Interface specification Items Code Color Action Function Remark LED indications CV Green Onsolid Constant voltage output CC Red Onsolid Constant current output EC Green Onsolid Automatic equalize charging mode Green Blink Forced equalize charging mode FC Yellow Onsolid Automatic float charging mode Yellow Blink Forced float charging mode MODE Green Off Power Mode Green Onsolid Charging Mode ALARM Red Specific to see Table and 6 1 The state table of Green protection Soft touch MEC Forced equalize Valid only in charging button charging mode mode MFC Forced float Valid only in charging charging mode mode MENU Menu switch Switch between the interface of real time 13 setting and failure SET Enter setting Exit setting without saving if no operation within 60 seconds ESC Exit setting OK Confirm setting ie Change the setting value or the page of interface gt Move the cursor between the bits of the value or the page of interface MODE Switch between the power mode and charging mode Display the last operation mode when turning on the power each time OUT Turn on or off the output Turn the output on or of
12. ce working in no load mode for a long time save energy and extend the life when working in power mode Over temperature Protection The device has over temperature protection and self recovery functions The system is designed with sufficient margin in normal operating conditions If the temperature of heat sink exceeds 95 C the device will be shut off automatically and recovered below 75 C Communication Failure It will prompt users communication failure when there is a communication error between human machine interface and internal control circuit The device must be restarted immediately when the 21 communication failure occurs Table 6 1 The state table of protection A Delav ALARM jon Operation Time Recovery Indicator LED Buzzer Value Values Indication S Light Input overvoltage 26543V 2 25043V Red LED IOVP Intermittent protection fast blink buzzing Input undervoltage 176x3V 2 190 3V Red T ILVP r slow blink buzzing protection lapuk Nan eni qup Off IOCP Buzzing protection Output Green overvoltage 94V LED fast OOVP Buzzing protection blink Output E i a Green undervoltage 30V 2 LED slow OLVP Buzzing ery protection blink Output short l Self recov Orange OSCP Buzzing circuit protection ery LED blink Over temperature Orange protection 95 C 5 75 C LED slow DOTP later minten buzzing blink Pub Ana 475V 1 OFF BOVP Buzzing protection No load protection in 0A 2 R
13. d power at the ambient temperature of 55 C The power supply has a complete three stages charging mode for bulk charge equalizing charge and float charge Multiple products with the same type can be connected in parallel or series and Hot Swappable application can be realized HMI uses the LED to display rich content the 2X6 matrix buttons to realize concise menu operation It also has other functions such as buzzer LED indication alarm and so on RS485 communication is realized via RJ45 isolated port and CAN communication is realized via the isolated port Using a standard chassis with the 19 inches width and the 2U height Chapter III TECHNICAL SPECIFICATIONS Table 3 1 EG1200CU technical parameters Technical Index Structure Parameters Parameter Test Condition MIN TYP MAX UNIT AC input voltage range 176 220 265 V AC input frequency range 47 5 50 525 Hz Power factor Vin220V Vout40V 60V 20A 0 97 0 98 Surge Vin220V Vout60V 20A 10 A Load regulation Vin220V Vout48V 0 20A 0 5 Power grid regulation Vin 187 242V Vout48 V 20A 0 1 Voltage stabilizing accuracy Vin187 NOMAS V 0 6 Efficiency MVin220V Vout40V 60V 20A 89 91 4 Standby power Vin22OV 10 W Setting Range Item Operation Tips MIN Default MAX Unit Output voltage in power Continuous adjustable mode Accuracy is 0 1V i 2 99 gt Equalize Voltage Co
14. equalize charging mode The function is invalid when the power supply has been in equalize charging mode It will be converted to forced float charging mode and the yellow LED flashes when pressing the forced float charging button in equalize charging mode The function is invalid when the power supply has been in float charging mode The device will keep in float charging mode after the forced float charging mode has been enabled The Equalize Calendar timer which has been started will be cleared it starts once again until the Equalize Duration finished when pressing the forced equalize charging button The Equalize Duration which has been started without finishing will be paused when pressing the forced float charging button It will not be cleared until the Equalize Calendar has been finished in order to prevent the device to working in egualize charging mode for a long time during convert the mode repeatedly between forced float charging mode and forced equalize charging mode Equalize duration time accomplished RUE Equalize interval time accomplished AS Float By pressing Equalize Factory NUN MFC button L 1 f Reset By pressing gt d MEC button EU Equalize duration time accomplished Manual By pressing MEC button Manual Float Equalize By pressing MFC button Attention means auto process means manual process Figure 4 1 Charging Schem
15. f on any page except setting state Alarm buzzer The alarm of faults Button operation tips Buzzing when pressing any button each time 7 tube Display the parameters failure tips and so on IF Interface description The interface includes three parts real time setting and failure The page of failure does not exist when there is no failure Each interface contains several pages to displav the actual contents IT Press 1 or button to flip page cyclically Press to jump to the first or last page of the interface 14 or gt button The power mode or charging mode real time clock and day A generating capacity will not be changed or cleared They will maintain the current mode or parameters when restoring the factory settings When restoring the factory settings the device will be A converted to the automatic float charging mode The Equalize Duration and the Equalize Calendar are cleared The last working mode and parameters will be selected when A turning on the power supply gt Initialization EGI200CU The device type is displayed firstly when turning on the power gt Power Mode MENU L VOUT 48 0 JEU ID 02 G LIOVP y The interface will be changed circularly between the interface of real time setting and failure when pressing MENU Press f or button to flip
16. ge of AC input and an adjustable DC output It has high power factor high precision regulating small size high efficiency and other characteristics The power supply is developed based on the industrial communication standard of YD T731 2008 and realizes the full digital control based on the DSP Digital Signal Processor chip Besides the power mode which can continuously output the constant voltage or constant current it is also added the complete battery charging management mode It can be used as the constant voltage constant current or battery charging power supply in order to meet the different applications The input port can be connected to mains or the output of oil machine The product can form a hybrid power system with the other products FEATURES cecinit ia et e e e The product adopts the advanced control algorithms and realizes the full digital control based on the DSP Digital Signal Processor chip Using the isolated Hall components to assure the power supply a strong anti interference ability The power supply is suitable for the situation of volatile AC voltage whose range from 176 to 265V Output voltage can be adjusted continuously from 40 to 60V The minimum adjustable voltage is 0 1V Output current can be adjusted continuously from 0 to 20 5A The minimum adjustable current is 0 1A The output charging current can be set as constant according to the actual battery s AH Without reducing rate
17. he state of the oil machine HMI displays OLVP Green LED slow blink Always buzzing Output termination Output undervoltage during work process Load current exceed the current limitation set by the current set value Please make sure that the current exceeds the limitation and then increase it when connecting with a resistive load and so on Checking the battery voltage is normal or not Only 48V system Make sure that the battery 23 HMI displays OSCP Red and Orange LED light on solid Always buzzing Output termination Output is short circuit when working Output has short phenomenon has been damaged or not and replace it in time when connecting with battery The system has a recovery function and needs to be turned on again when exceeding the recovery time Checking the output is short circuit or not The system has a recovery function and needs to be turned on again when exceeding the recovery time HMI displays DOTP Orange LED slow blink Intermittent buzzing Output termination Over temperature protection Temperature of heat sink is too high The output will be recovered automaticallv as soon as the temperature becomes lower In Power Mode No load In Power Mode HMI displavs The device will be shut off ONLP Red automatically after 2s LED is lighted on when working in no load solid status
18. ntinuous adjustable h Accuracy is Sm a 29 i Float Voltage Continuous adjustable l Accuracy is s s dd dn b Output current Continuous adjustable i ea Accuracy is Sm 208 ore ki Equalize Duration Continuous adjustable Accuracy is one minute i id 2i SUD Equalize Calendar Continuous adjustable i Accuracy is B day H e pas Environment Pointer Item Condition MIN TYP MAX Unit Working humidity INon condensing 95 Working temperature Output without derating at 55 C 15 55 C Storage temperature 40 85 i Safety Index AC GND AC1500V one Minute 15 mA Dielectric strength DC GND AC500V one Minute 0 1 mA AC DC AC3000V one Minute 1 mA Dimensions H amp W amp L 110 4 3 X 483 19 0 X 518 20 4 mm inches Output terminal M6 Ground terminal M5 Net weight reference 8 5Kg 1 Please set up the charging voltage and current according to the batterv s parameters Chapter IV OPERATION MODE The product has two modes one is power mode and the other is charging mode The power mode has the character of constant voltage constant current and can be used as a conventional DC power supply The charging mode has a perfect battery charging mechanism Users can select the appropriate mode according to the actual application Section I Power Mode Introduction _2 Power mode has two output functions one is constant voltage and the other is constant current The DC output voltage can
19. on installation and operating instructions for the digital power supply The following symbols are used throughout this manual to indicate potentially dangerous conditions or mark important safety instructions Please take care of it when meeting these symbols N CAUTION Indicates a critical procedure for safe and proper operation of the digital power supplv NOTE Indicates a procedure or function that is IS important for the safe and correct operation for the digital power supply Read all of the instructions and cautions carefully before installation Reversing the load polarity is very easy to damage the equipment or come into the unpredictable dangers Do not disassemble the product in order to avoid personal injury There is non security voltage inside of the power supply Please call the professionals in our company if you need repair Do not install replace parts or perform any unauthorized modifications on the instrument Turn off the power before moving the working power supply In order to avoid the risk of loose connection please ensure that all connections are tight Do not put heavy things on the power supply to avoid failures Chapter IT OVERVIEW EG1200CU Digital switching power supply is a new generation of full digital isolate switching power supply which is designed with the technology of advanced active power factor correction and resonant soft switching The power supply has a wide ran
20. the same time it can realizes the limitary current charging by setting the output current After each time of turning on the power the device will be converted to automatic float charging mode the Equalize Calendar will be start the Equalize Calendar starts for the next cycle only after finishing the last Equalize Duration except for the first time of turn on the power At this point whether there is output or not the device will be converted to the automatic float charging mode and the green LED will be lighted on solid when the Equalize Calendar is finished When the device detects that the output voltage excess the value that is lower 0 5V than the equalize setpoint the Equalize Duration will be start and will not be stopped until it has been finished then the product will be converted to automatic float charge mode automatically and the yellow LED will be lighted on solid The Equalize Duration will be paused until the condition is satisfied again if the voltage point is less than the value that is lower 0 5V than the equalize setpoint in half way There are two buttons on the panel one is forced equalize charge and the other is forced float charge It will be converted to forced equalize charging mode and the green LED flashes when pressing the forced equalize charging button in float charging mode The next cycle is automatic equalize charging mode when the Equalize Duration and Equalize Calendar are finished after enabling the forced
21. user manual lt erever Digital AC DC Power Supply EG1200CU 40 60V 0 20A USER MANUAL a 86 2 4 5G i eo G RO 8 e Ca A gt o ME 6 G f UTE i CONTENTS Chapter I ATTENTIONS ee 1 Chapter II OVERVIEW iii ie ki kas a kf ss A 3 Chapter Ill TECHNICAL SPECIFICATIONS ecce eee eren eene 5 Chapter IV OPERATION MODE ia a step nn oe E a Eee ena 7 Section Power Mode Introduction pp 7 Section Charging Mode Introduction cccccccccccssssssseeeeeeeeeeeeeeeeas 8 Section II Multi machine Operation ee 10 Chapter V OPERATION INTERFACE ee 12 Section Panel ShoWS Notit oa ha ED ik EDO NRI 12 Section Il Human Machine Interface pp 13 Section III Display Operation 9 15 Chapter VI PROTECTION FUNCTION pp 20 Chapter VII SIMPLE TROUBLESHOOTING GUIDE 23 Chapter VIII MAINTENANCE PROCEDURE e eene eene 25 Chapter IX OVERALL DIMENSIONS 0000000000000000 eere eene eene nnn 26 All rights reserved The contents in this document are subject to change without notice Chapter I ATTENTIONS Thank you very much for selecting our product This manual offers important information and suggestions with respect to installation use and troubleshooting etc Please read this manual carefully before using the product and pay attention to the safety recommendations This manual contains important safety functi
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