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ITech IT8511A Manual

Programmable electronic load
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사용자 가이드
DC 전자로드
모델: IT 8511, IT 8512
© 저작권 2004 판권 소유
Ver1.0 /FEB, 2004/ IT8500-603
1

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  • Page 1 사용자 가이드 DC 전자로드 모델: IT 8511, IT 8512 © 저작권 2004 판권 소유 Ver1.0 /FEB, 2004/ IT8500-603...
  • Page 2 보증 정보 증명서 우리는 이 제품이 공장으로부터 선적의 시간에 그 출판되었던 규정을 만났다라고 증명한다 . 보증 이 하드웨어 제품은 배달의 날짜부터 ONE 년의 기간 동안 물질과 솜씨의 결점에 반대하여 보증된다. IT8500 시리즈 전자로드는 하드웨어 제품과 함께 사용에 대해 한다. 그리고 제품이 배달의 날짜부터...
  • Page 3 환경 조건 이 기구는 실내 사용을 위해 의미하게 된다. 오염 정도 2 환경. 95%의 최대 상대 습도에 그리고 최고 2000 미터의 고도에 작동하는 것은 기획하게 된다. ac 본선의 전압 요구 사항과 주위 작용 온도 범위를 위해 명세서 표를 참조해라. 힘을 적용하기 전에 모든...
  • Page 4 주의(첨부 서류를 참조한다) ___________________________________________________________________ WARNING 경고 경고사인은 위험을 보여준다 그것은 절차, 연습, 또는 그 종류의 다른 것에 주의를 환기한다. 그것은 만일 정확하게 수행되지 않거나, 들러붙게 되지 않으면 개인 손해를 초래할 텐데 표시하되었던 조건이 충분히 이해되고, 충족시키게 될 때까지 경고 사인을 넘어 진행하지 마라. ___________________________________________________________________ CAUTION 주의...
  • Page 5 키패드: 사용가능/사용금지는 입력했다.. 준비 흐름 , 저항 그리고 전압 모드 .. 보호 기능을 설정하고, 재설정해라.. 앞쪽의 패널을 통한 두루마리. 입력키:（ 수치키 ） 입력값 . 설정값을 늘리거나 또는 감소시키는것. 메뉴 명령. 입력키:（수치키） 입력값. 설정값을 늘리거나 또는 감소시키는것.. 메뉴 명령. 입력단말기 . 후면...
  • Page 6 4 핀 계기와 접속기 원격을 감지한다 .. 9- 핀 컴퓨터 출력 마이크로필름 포트 인터페이스 접속기 전원 스위치(110 V/220 V) 3 핀 IEC320 AC은 연결관을 입력했다.. (전원 코드는 대기전선를 필요로 한다). 전면 패널 호출 표시기 power off Trigger Indicates that the electronic load is 파워...

  • Page 7: Immediate Action Keys

    입력 채널은 과도 동작을 위해 표시합니다. 사용 가능하게 하게 됩니다 List List mode is initiated or running. Lock keyboard is locked by password 목록 모드는 시작되거나 , 좌판은는 비밀번호에 의해 (목록) (잠금) 실행하고 있습니다 잠가집니다 The input is unregulated. 입력은 무질서입니다. Unreg Immediate Action Keys 직접...
  • Page 8 Start /Stop transition operation Shift 시작/정지 변환 동작 Tran Causes a trigger to occur. Change the trigger source is IMMIDIATE Shift 트리거를 발생하게 합니다. 방아쇠의 것은 출처를 나타내는 변경은 IMMIDIATE입니다 Trigger Battery discharge electronic operation Shift 전지 방전 전자기기 동작 Battery Set the transition operation parameter Shift...
  • Page 9 The escape key. 확장키 It may used to exit any working state. 어떤 작업 상태라도 배출하는 것이 익숙하게 좋다 I-set Choosing CC mode and setup the input current of regulation current mode. CC 모드와 설정을 정규의 현재의 모드의 입력 전류로 선택하는 것 V-set Choosing CV mode and setup the input voltage of regulation voltage mode.
  • Page 10 MENU CONFIG INITIAL CONFIG 초기의 Return to the factory default setup value. 공장 설정 설정값에 돌아옵니다. CONFIG Setting Power-on state of Load. 부하의 전원을 POWER-ON RECALL 전원 -ON 복원 켠상태를 설정하는 것. When users turn on the electronic load; the electronic load setup value will keep the state of last time when users turn off the electronic load.
  • Page 11 KEY LOCK SET Setting keypad password. ENTER Press directly to disable the key lock function. EXIT SYSTTEM SET MAX CURRENT SET Setup the Maximum current. MAX POWER SET Setup the Maximum Power. MAX VOLTAGE SET Setup the Maximum Voltage. EXIT LIST SET MODE SET Setting operation mode.

  • Page 12: Options And Accessories

    Unless otherwise noted, all units will be referred to by the description "electronic load" throughout this User's manual. 특별히 명시된 바가 없으면, 모든 단위는 이 사용자 매뉴얼 에 걸쳐 기재된“전자 부하”으로 불릴 것입니다. The following documents and software are shipped with your electronic load. 다음 문서와 소프트웨어는...
  • Page 13 IT-E151 Rack mounts kit: IT-E151 선반은 장비를 장착합니다 :for install one or two IT8500 series load on the 19 inch rack. 왜냐하면 1, 2 IT8500 계열 부하를 19 인치의 선반에 설치합니다 . ITE-131 isolated communication cable: ITE-131 은 통신 케이블을 절연시켰습니다...
  • Page 14 • Built-in pulse generator for continuous, pulsed, and toggled transient mode operation. 지속적이고 맥이 뛰게 되고 바꾸게 되었던 과도 모드 동작을 위한 내장형 펄스 발생기. • Over voltage, over current, overpower, and over temperature protection. 전류 위에 과도한 전압은 온도 보호를 타파하고, 초과합니다. •...
  • Page 15 Constant Current（CC）Mode 일정한 전류（CC） 상태 In this mode, the electronic load will sink a current in accordance with the programmed value regardless of the input voltage. 이 모드에, 전자식 부하는 입력 전압에 관계없이 프로그램되었던 값에 의거하여 전류를 가라앉힐 것입니다. CC mode can be set with front panel keys.
  • Page 16 SLOPE LOAD RESISTANCE CURRENT SETTING LOAD INPUT VOLTAGE CONSTANT RESISTANCE MODE Constant Voltage (CV) Mode 일정한 전압 (CV)상태 In this mode, the electronic load will attempt to sink enough current to control the source voltage to the programmed value. 이 모드에, 전자식 부하는 프로그램되었던...
  • Page 17 Constant Power (CW) Mode 일정한 전원 ( 연속파 )상태 In this mode, the electronic loads will consumption power accordance with the programmed value regardless of the input voltage. 이 모드에, 전자 회로는 입력 전압에 관계없이 의지 소비 전원 일치에 프로그램되었던 값을 쌓습니다. The CW mode can be set with front panel keys.
  • Page 18 CW modes and can be setup in continuous, pulsed, or toggled operation mode. 과도 동작은 CC, CR 또는 CV 또는 연속파 모드로 사용될지도 모르고, 지속적이거나 맥이 뛰게 되거나 바꾸게 되었던 작동 모드의 설정일 수 있습니다 Continuous 연 속적이다 Generates a repetitive pulse stream the toggles between two load levels and change the state between value A and value B.
  • Page 19 Trigger Mode 계기상태 Switching the state between value A and value B once receiving a triggering signal 방아쇠를 당기고 있는 신호를 한때 수신하고 있는 값과 값 B 사이에서 상태를 바꾸는 것 Toggled Transient Operation List Operation 목록 사용법 List mode lets you generate complex sequences of input changes with rapid, precise 목록...
  • Page 20 When receiving one trigger signal, it will start the list operation until receiving another trigger signal or finish the List operation. 1 트리거 신호를 수신할 때, 그것은 또 다른 트리거 신호를 수신하는 것 까지 리스트의 조작을 시작할 것이거나, 리스트의 조작을 완료할 것입니다.
  • Page 21 Input Control 입력 제어 Short On/Off 간단한 on/off Load can simulate a short circuit at its input by turning the load on with full-scale current. 부하는 그 입력에 단락 회로를 전면적인 전류로 부하를 켜는 것에 의해 시뮬레이션할 수 있습니다. The short circuit can be toggled on/off at the front panel Short Shift using the...
  • Page 22 NOTE The Input On/Off command supersedes the mode commands and Short Test On/Off command. Operation Range 동작 범위 Work in the range of Rated Current, Rated voltage and Rated Power, The figure is as following: 정격 전류, 정격 전압과 정격 전력의 범위에서 근무합니다, 그림이...
  • Page 23 Over Voltage 전압 위에 If input voltage exceeds the voltage limit, Load will turn OFF the input, Buzzer is mooing. VFD display as following: 만일 입력 전압이 전압 한계를 초과하면, 입력으로부터 떨어져서 의지 회전을 로드합니다, 버저는 음매 하고 울고 있습니다. VFD 은...

  • Page 24: Saving And Recalling Settings

    음매 하고 울고 있습니다. VFD display as following: VFD 은 뒤이어 계속되면서 표시합니다: REVERSE VOLTAGE Over Temperature 온도 위에 If internal power components ‘s temperature exceeds safe limits (80℃), Over temperature protection is on work . 내부면 구성 요소‘s 온도는 안전한 한계(80 ) ℃...
  • Page 25 CC value /CW value /CR value /CV value Transition current A value /Transition current B value /Transition voltage A value /Transition voltage B value / Transition power A value /Transition power B value /Transition Resistance A value /Transition Resistance B value Current A pulse width time/ Current B pulse width time/Voltage A pulse width time/ Voltage B pulse width time /Power A pulse width time/Power B pulse width time /Resistance A pulse width time /Resistance B width time...
  • Page 26 부하는 입력을 끌 것입니다. VFD will display the capacity of testing battery, Press and return the normal mode. VFD 은 배터리를 테스트하는 Battery Shift 용량을 표시할 것이고, ＋을 누를 것이고, 정상 모드를 복귀할 것입니다. Battery Voltage Min voltage Load Sink Current External Control Signals 외부...
  • Page 27 effect of the inevitable voltage drop in the load leads, remote sensing provides greater accuracy by allowing the load to regulate directly at the source's output terminals. 부하 리드에서 불가피한 전압 강하의 효과를 제거하는 것에 의해, 원격 탐사는 더 큰 정확도를 소스의 출력되었던 터미널에서 직접 조절하는...
  • Page 28 Software CD-Rom Programming information Calibration Report The Instrument calibration report. Cleaning 손질 Use a dry cloth or one slightly dampened with water to clean the external case parts. 마른 천 또는 1이 물로 외부 경우를 깨끗하게 하기 위해 약간 적셨던 사용은 분리됩니다.
  • Page 29 Outline Diagram Unit (mm) Carrying Handle 핸들을 전송하는 것 Bench Operation 진열대 동작 A fan cools the electronic load by drawing air through the button and sides and exhausting it out the back. 팬은 전자식 부하를 버튼과 측을 통한 공기를 끌고, 후방으로부터...
  • Page 30 CAUTION Do not block the fan exhaust at the rear of the Load. 부하의 배후에 팬 배출을 블록화 하지 않습니다. ___________________________________________________________________ Rack Mounting 선반설치법 The IT 8500 serial electronic load can be mounted in a standard 19-inch rack. IT 8500 직렬...
  • Page 31 SHOCK HAZARD:충격위험 the power cord provides a chassis ground through a third conductor. 전원 코드는 세 번째 도체를 통하여 섀시 그라운드를 제공합니다. Be certain that your power outlet is of the three-conductor type with the correct pin connected to earth ground. 당신의 전원 출력이 얼스 그라운드에 연결되는 정확한 핀으로...

  • Page 32: Computer Connections

    Computer Connections The electronic load can be controlled through a PC serial port. RS-232 Interface The electronic loads have an serial port programming interface; all applicable commands are available through serial port programming. It available to connect the electronic load to any computer or terminal with the IT-E131 isolated communication cable.

  • Page 33: Front Panel Operation

    1. Turn the unit on. During self test, all The electronic Load segments are briefly undergoes a self-test when you First turn it on. 2. Wait for 1s after turn EEPROM damage or EPROM ERROR on electronic load. Lost data of last power off Run well if no such display, system will...
  • Page 34 Front panel programming examples. Display 16-character fluorescent display for showing measurements and programmed values. Annunciators Annunciators light to indicate operating modes and status conditions: Trigger power off Indicates that the electronic load is waiting an initiate and trigger to occur. Sense The selected input channel is in Indicates that the electronic load is...

  • Page 35: Function Keys

    Function keys Main Function: Set up a constant current output. Set up a constant power output. Set up a constant resistance output Select CC, CR and CV and CW modes. Select Current, Resistance and Voltage levels. Set Trigger and Transient levels. Set up front panel measurements.
  • Page 36 PASSWORD: STEP 2 Enter the password or jump the step 4 if your password for reentering CURRENT=*.***A STEP 3 Enter the original value which displayed in the LCD or enter a new value by using number keys or Rotary knob to adjust the voltage value STEP 4 0.000V *.***A...
  • Page 37 P-set (set up a constant power from 0 to Max power) IT8500 series electronic load can be set up for a constant power. Constant power setup procedure is as following: Procedure Operation details VFD display Step 1 POWER =0.000W P-set Press Step 2 Enter a new value by using...
  • Page 38 V-set (set up a constant voltage from 1.5V to Max voltage) 8500A electronic load can be setup for a constant voltage. Constant voltage setup procedure is as following: Procedure Operation details VFD display Step 1 VOLTAGE=1.500V V-set Press Step 2 enter a new value by using VOLTAGE=*.***V numeric keys or Rotary...

  • Page 39: Menu Description

    Out On/Off input setting Input on/off to change the state of electronic load. Switch on to off state by Input on/off press Menu description procedure The operation methods VFD display Step 1 Shift Menu Press button ▽ CONFIG Step 2 The VFD Enter INITIAL CONFIG...

  • Page 40: Continuous Transient Operation

    ▽ EXIT Transition Testing Operation Users could switch between the two different current and voltage in the transition mode; it could test the transition specialty of power supply. Users could use front panel or communication interface （TRAN ON AND TRAN OFF） to make it work or not， Please setting parameters before transition operation.

  • Page 41: Pulse Transient Operation

    For example: Continuous mode, current level A =5A, width = 2mS. Current level B =10A, width = 3ms. Testing machine output voltage is 12V. 2.0ms 3.0ms Continuous Transient Operation Action Input on/off 1. On the Function keypad, press button to turn off the load input. Shift S-Tran setting LEVEL A=5A, WIDTH A=3mS, LEVER B=10A,...

  • Page 42: Toggled Transient Operation

    Shift S-Tran set LEVER A=5A, LEVER B=10A, WIDTH B=10mS, 2. Press Transition mode is PULSE . Shift Tran 3. Press to activate the transient mode. Shift Shift Trigger Trigger 4. Press to start another pulse. Press , get more pulse. Shift Tran 5.

  • Page 43: List Operation

    List Operation Users can use the front panel keypad or Power View 8500(PV-8500) software to programming the list sequence. Please refer to the software user’s guide. The following example will help you how to do the list operation in front panel. Trigger List count=1 List count=2...

  • Page 44: Specifications

    ENTER ，Enter into next step menu . Select CC mode is menu，press <FIXED MODE> 。 ENTER 15) Press to confirm. Specifications Parameter IT8511A IT8512A Voltage 0 to 120V 0 to 120V Input rating Current 1mA to 30A 1mA to 30A ( 0 ~ 40 ℃)

  • Page 45: Remote Operation Mode

    ±(0.1% + 3mA) CC Mode Current 1mA-3A resolution =0.1mA ±(0.1%+30mA) 1mA-30A resolution =1mA ±(1%+30mΩ) CR Mode Resistance 0.1-10Ω regulation=0.001Ω ±(1%+0.3Ω) 10-99Ω regulation=0.01Ω ±(1%+3Ω) 100-999Ω regulation=0. 1Ω ±(1%=30Ω) 1000-4000Ω regulation=1Ω ±(1%+3mW) CW Mode Power 0-100W Regulation=1mW ±(1%+300mW) 100-300W Regulation=10mW Transition Mode Range o Frequency 0.1Hz-1kHz Frequency error rate <0.5% Battery testing...
  • Page 46 1． Baud rate ：(4800,9600,19200,38400，default value is 38400) 2． Data bit ：8 3． Stop bit ：1 4． sum： (NONE,ODD,EVEN,INITIAL SETTING is NONE) Start Stop 8 Data Bits PARITY = NONE 2. DB9 Interface Details DB9 in the rear panel of electronic load is TTL (5V) level signal .it can be connecting with standard PC interface through the IT-E131 isolated communication cable.
  • Page 47 2． Address range from 0 to FE, occupies one byte. 3． Each command occupies one byte. Following is the command details. Selecting the Remote control mode Selecting the input on/off state Setting the max input voltage Reading the max setup input voltage. Setting max input current Reading the max setup input current.
  • Page 48 Setting list file name. Reading list file name. 4AH Selection the memory space mode for storing list steps. 4BH Reading the memory space mode for storing list steps. 4CH Save list file in appointed area. 4DH Get the list file from the appointed area. 4EH Setting min voltage value in battery testing mode.

  • Page 49: Communication Protocol

    NOTE If control output of electronic through PC, please setting Electronic load is on PC control state. Command is 20H. Make a calibration on input of electronic Load, Ensure the calibration protection mode is OFF state when setting calibration information. If electronic load in calibration mode, user’s can’t change the input and operation mode of electronic load 4．...
  • Page 50 3. Setting / Reading max input voltage （22H/23H） byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（22H/23H） byte The Lowest byte of max voltage value byte The lower byte of max voltage value. byte The higher byte of max voltage value. byte The highest byte of max voltage value.
  • Page 51 NOTE Represent an current value by 4 bytes of Hex .Lower bytes are in the front location, higher bytes are in the later location.1 represent 0.1mA,If setting upper limit is 3.0000A，the hex code is 0X00007530，then the 4th byte is 0X30，5th is 0X75，6th is 0X00，7th is 0X00。...
  • Page 52 7. Setting / Reading CC mode current value （2AH/2BH） byte Start bit ( AAH ) byte Address (0—0XFE) Command （2AH/2BH） byte byte The lowest byte of current value byte The lower byte of current value. byte The higher byte of current value. byte The highest byte of current value.
  • Page 53 byte Sum code NOTE Represent voltage by 4 bytes of Hex. Lower bytes are in the front location, higher bytes are in the later location. For example :voltage is 16.000V，Hex code is 0X00003EB0， 4th byte 0XB0， 5TH byte is 0X3E， 6th byte is 0X00， 7th byteis 0X00。 9.
  • Page 54 byte The lowest byte of resistance value. byte The lower byte of resistance value. byte The higher byte of resistance value. byte The highest byte of resistance value. to 25 byte System reserve byte Sum code NOTE Represent resistance value by 4 bytes of Hex. Lower bytes are in the front location, higher bytes are in the later location.
  • Page 55 byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（34H/35H） From 4 to 7 byte. Setting value of voltage A (Lower bytes are in the front location, higher bytes are in the later location) From 8 to 9th byte. Time value of timer A (Lower bytes are in the front location, higher bytes are in the later location) (1represent 0.1mS)
  • Page 56 14. Setting /Reading CR mode transient resistance and timer parameter（38H/39H） byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（38H/39H） From 4 byte to 7 Setting value of resistance A (Lower bytes are in the front location, byte higher bytes are in the later location) From 8 byte to 9 Time value of timer A (Lower bytes are in the front location, higher...
  • Page 57 16. Setting /Reading the list repeat mode. (3CH/3DH) byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（3CH/3DH） byte LIST repeat operation mode(0 is ONCE, 1 is REPEAT) From 5 to 25 byte System reserve byte Sum code 17. Setting / Reading the number of list steps. (3EH/3FH) byte Start bit ( AAH )
  • Page 58 From 12 to 25 System reserve byte byte Sum code 19. Setting / Reading one of the step’s voltage and time values. (42H/43H) byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（42H/43H） From 4 to 5 Appointed one step byte From 6 byte to 9...
  • Page 59 21. Setting / Reading one of the step’s power and time values. (46H/47H) byte Start bit ( AAH ) byte Address (0—0XFE) Command （46H/47H） byte From 4 to 5 byte Appointed one step From 6 to 9 byte Resistance value of current step (Lower bytes are in the front location, higher bytes are in the later location) From 10 to 11...
  • Page 60 24. Save / Get list file in appointed area.. (4CH/4DH) byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（4CH/4DH） byte Storing area 1 ~ 8) From 5 to 25 byte System reserve byte Sum code 25. Setting / Reading min voltage value in battery testing mode.（4EH/4FH）...
  • Page 61 27. Disable / Enable timer of FOR LOAD ON (52H); Reading timer state of FOR LOAD ON(53H) byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（52H/53H） byte Timer state (0 is disable ,1 is enable ) From 5 to 25 byte System reserve...
  • Page 62 byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（56H/57H） byte Remote mode state (0:disable,1:enable) to 25 byte System reserve byte Sum code 31. Selecting / Reading trigger source. (58H/59H) byte Start bit ( AAH ) byte Address (0—0XFE) Command （58H/59H）...
  • Page 63 34. Selecting / Getting FIXED/SHORT/TRAN/LIST/ BATTERY function mode. (5DH/5EH) byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（5DH/5EH） byte Work mode (0:FIXED,1:SHORT, 2:TRANSITION,3:LIST,4: BATTERY) From 5 to 25 byte System reserve byte Sum code 35.Reading input voltage, current, power and relative state.
  • Page 64 LOCAL LOCAL button state (0 is represent “not in effect “,1 is represent ‘in effect “) SENSE Remote testing mode FOR LOAD ON timer state Demand state register Input reverse voltage Over voltage Over current Over power Over temperature Not connect remote terminal Constant current Constant voltage Constant power...
  • Page 65 byte Sum code NOTE Represent calibration protection state by one byte. Each byte is defined as: From high to low 7 6 5 4 3 2 1 0 0 byte： protection state， 0 represent not in the protection state ， 1 represent in protection state.
  • Page 66 byte Sum code 40. Calibrate current value（64H） byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（64H） Current calibration point （1~4） byte From 5 to 25 byte System reserve byte Sum code NOTE Current calibration standard points have four: 1,2,3,4 41.
  • Page 67 NOTE Finish the calibration operation, users should save the calibration parameter in EEPROM with this command; users could use these data in next power on. 43. Setting / Reading calibration information （67H/68H） byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（67H/68H）...
  • Page 68 byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（6AH） Mode information （ASIC code） From 4 to 8 byte byte The lowest byte of software version number(BCD code) byte The highest byte of software version number(BCD code) Product series number （ASIC code） From 11 to 20 byte...
  • Page 69 to 22 byte Product series number（ASIC code） byte System reserve byte System reserve byte Sum code 48. The return information of command operation in electronic load（12H） byte Start bit ( AAH ) byte Address (0—0XFE) byte Command（12H） byte Command calibration result From 5 to 25 byte...

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