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 QUICK REFERENCE

                

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7

     

        THE FRONT PANEL 

        ................................................

 

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                 THE REAR PANEL

                 ........................................

 

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      FRONT PANEL ANNUNCIATORS  

  .........................................

 

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                 KEY PAD 

                 ................................................

 

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                 IMMEDIATE ACTION KEYS

      ...........................................

 

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                 MENU OPERATION 

           ............................................

 

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GENERAL INFORMATION 

      

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                 DOCUMENT ORIENTATION  

   .............................................

  12

                 GETTING STARTED MAP      

...............................................

 

12

      

    

 

OPTIONS AND ACCESSORIES  

    ......................................... 

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Options 

               ............................................ 

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     Accessories  

       ............................................... 

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                 DESCRIPTION 

                 ...........................................

 

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                 FEATURES AND CAPABILITIES 

  ..........................................

 

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                 FRONT PANEL CONTROLS

       ..........................................

 

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                 REMOTE PROGRAMMING         

  ...........................................

  14

                 OPERATING MODES

          .............................................

  14

                               Constant Current(CC)Mode  

       ..................................

 

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                               Constant Resistance (CR) Mode  

     ...............................

 

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                               Constant Voltage (CV) Mode     

     .................................

 

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                               Constant Power (CW) Mode

       .................................     

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                 TRANSIENT OPERATION  

                ..................................

  16

                               Continuous  

                    ...................................

 

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                               Pulse  

                       .....................................

 

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                               Trigger Mode   

                .....................................

 

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                 LIST OPERATION     

        .............................................

 

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                 TRIGGERED OPERATION         

.............................................

 

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                 INPUT CONTROL 

                    .....................................

 

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                               Short On/Off

                  .....................................

 

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                               Input On/Off 

                  .....................................

 

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                               Operation Range 

      ............................................

 

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                  PROTECTION FEATURES 

   ..............................................

 

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       REMOTE SENSE FUNCTION

          .....................................    

21

                

 

SAVING AND RECALLING SETTINGS        

...................................

 

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                  BATTERY TESTING  

          ............................................

 

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                  VON/VOFF OPERATION

      .............................................

 

24
   

 INSTALLATION 

 

        

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25

      INSPECTION                               

................

 

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 25

Damage              

...................................................    

25

 

Introduction

2   USER’S GUIDE

Содержание IT8518B

Страница 1: ...IDE Programmable DC Electronic Load Models IT8518 Copyright 2010 All Rights Reserved Ver2 0 Jan 2010 IT8500 401 This user manual is applicable to Model IT8518B IT8518C IT8518E IT8518F http www Datashe...

Страница 2: ...14 REMOTE PROGRAMMING 14 OPERATING MODES 14 Constant Current CC Mode 14 Constant Resistance CR Mode 14 Constant Voltage CV Mode 15 Constant Power CW Mode 15 TRANSIENT OPERATION 16 Continuous 16 Pulse...

Страница 3: ...o Max voltage 31 Shift Store 32 Shift Recall 32 In On Off input setting 32 TRANSITION TESTING OPERATION 32 Transition Parameter Setting 32 Continuous Transient Operation 33 Pulse Transient Operation 3...

Страница 4: ...eption of warranty options this product must be returned to a service facility designated by our company Customer shall prepay shipping charges by and shall pay all duty and taxes for products returne...

Страница 5: ...terminal To minimize shock hazard the instrument chassis and cover must be connected to an electrical ground The instrument must be connected to the ac power mains through a grounded power cable with...

Страница 6: ...r the like which if not correctly performed or adhered to could result in damage to or destruction of part or all of the product Do not proceed beyond a CAUTION sign until the indicated conditions are...

Страница 7: ...umeric keys Enter values Increasing or decreasing the setup values Menu commands Keypad Enable disable input Setup the current resistance and voltage modes Set and reset protection functions Scroll th...

Страница 8: ...mode Rmt Indicates that the electronic load is in remote state RS 232 In the remote state only the active key is the Local key Tran The input channel is enabled for transient operation Shift Indicate...

Страница 9: ...er A B Menu S Tran Battery Local Store Tran Recall Short 0 through 9 are used for entering numeric values Decimal point The escape key It may used to exit any working state Choosing CC mode and setup...

Страница 10: ...oad OFF DEFAULT When users turn on the electronic load the electronic load input will keep the state off KEY SOUND SET Keypad sound setting ON DEFAULT Enable key sound OFF Disable key sound KNOB LOCK...

Страница 11: ...can choose 4 kind of memory space to save the list file 8 X 120 STEPS Total 8 files and each file have120 list steps 4 X 250 STEP Total 4 files and each file have250 list steps 2 X 500 STEPS Total 2 f...

Страница 12: ...complete the specific task thatyou want to accomplish Refer to the table of contents or index of each guide for a complete list of the information contained within Document Orientation Task Where to f...

Страница 13: ...d so on The electronic load contains a processor serial port connector front panel keypad and VFD and other circuits common to the other entire load module IT8500 series electronic load could work in...

Страница 14: ...in accordance with the programmed value regardless of the input voltage CC mode can be set with front panel keys The CC mode parameters are discussed in the following paragraphs LOAD CURRENT LOAD INPU...

Страница 15: ...nstant Power CW Mode In this mode the electronic loads will consumption power accordance with the programmed value regardless of the input voltage The CW mode can be set with front panel keys The CW m...

Страница 16: ...in the following paragraphs Continuous Generates a repetitive pulse stream the toggles between two load levels and change the state between value A and value B Pulse Switch to value B as receiving on...

Страница 17: ...e step 1ms 1h and setting value of one step In CC mode dwell time range is 1ms to 6S which also have an associated value Note that lists data can only be saved in total 1000 steps memory of 4 situatio...

Страница 18: ...is not influence the operation setting current value When short operation is on OFF state Load back to the original setting state The actual value of the electronic short is dependent on the mode and...

Страница 19: ...n NOTE The Input On Off command supersedes the mode commands and Short Test On Off command Operation Range Work in the range of Rated Current Rated voltage and Rated Power The figure is as following I...

Страница 20: ...and the VFD display will indicate CC When the DC load operates in a combined CV transition mode or CV List mode the buzzer will sound if the input current exceeds the current limit and the display wi...

Страница 21: ...drop in the load leads remote sensing provides greater accuracy by allowing the load to regulate directly at the source s output terminals TRIG A TTL compatible input that responds to external edge t...

Страница 22: ...e Recall Shift 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 ti...

Страница 23: ...tate In testing procedure you could see the accumulator voltage discharge current electronic load power and spare capability of accumulator If connecting with PC software discharge curve could be disp...

Страница 24: ...2 VFD displays CONFIG press key to choose SYSTEM SET press to confirm 3 VFD displays MAX CURRENT SET press key to choose VOLTAGE ON SET press key to confirm 4 VFD displays VOLT ON 0 00V press numeric...

Страница 25: ...aning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally Item Part Number Description Power Cord IT E171 Users will get one of the...

Страница 26: ...ure gives the dimensions of your electronic load The electronic load must be installed in a location that allows sufficient space at the sides and back of the unit for adequate air circulation Outline...

Страница 27: ...d with your unit contact your nearest Agent to obtain the correct cord See following figure for the part number and ordering options Warning SHOCK HAZARD the power cord provides a chassis ground throu...

Страница 28: ...re briefly lit 2 Wait for 1s after turn on electronic load EPROM ERROR EEPROM damage or Lost data of last power off Run well if no such display system will go to the step 3 directly 3 Wait for another...

Страница 29: ...er voltage setting Work voltage of load have two type 110V or 220V Please make sure it is right voltage accordance to the voltage in your area You could change the voltage setting through dial the swi...

Страница 30: ...up by using number keyboard Step1 Press button Step2 Press numeric button to enter the current value 4 33 Step3 Press button to confirm the current value Method 2 To set up by using Rotary SW If the...

Страница 31: ...ing Procedure Operation details VFD display Step 1 Press POWER 0 0W Step 2 Enter a new value by using numeric keys or Rotary knob to adjust the voltage value POWER W Step 3 Press to confirm 0 000W P 0...

Страница 32: ...Use to change the input state of electronic load Switch on to off state by press Out On Off Out On Off Transition Parameter Setting Users could press to set the transition parameter Shift S Tran LEVE...

Страница 33: ...le width when pulsed transient operation is in effect For example When load receiving one trigger signal it will switch to 10A current value and taking 10mS to return the current value of 5A Action 1...

Страница 34: ...t operation 8 Press the input of load is powered on Shift Shift Shift Shift Shift Enter Tran Tran S Tran On Off On Off Trigger Trigger Toggled Transient Operation In this mode after transition operati...

Страница 35: ...execute the input of Load I in OFF state 2 Press move cursor to the option of menu of CONFIG Press into the next step menu move cursor to TRIGGER SOURCE Press and move cursor to IMMEDIATE DEF setting...

Страница 36: ...group number And if there is not stored number VFD will show NO EEPROM DATA Esc Enter Enter Enter Shift Menu 1 0 2 Action 10 Press to confirm setup step 1 width 6mS 11 Repeat 7 and 8 operation set cur...

Страница 37: ...ch means setting the maximum of power here it is150W Press to set MAX POWER 150W press to confirm 7 VFD displays TEST COUNT 2 which means setting steps of testing 20 steps are permitted at most here t...

Страница 38: ...ly testing files and LIST files use a common memory area and the area can contain 8 groups of automatic testing files for next usage Here the testing file could be saved in the first group press and p...

Страница 39: ...s to change the voltage range maximum voltage If the former maximum voltage value is 120V and the resoulution is 10mV it will become 18V when you press and you will get 3 decimal points xx xxx compare...

Страница 40: ...10mA CR Mode Regulation Input current FS 10 Input Voltage FS 10 0 1 10 1 0 3 FS 0 001 1 0 3 FS 0 001 10 99 1 0 3 FS 0 01 1 0 3 FS 0 01 100 999 1 0 3 FS 0 1 1 0 3 FS 0 1 1K 4K 1 0 8 FS 1 1 0 8 FS 1 CW...

Страница 41: ...ic load and the RS 232 interface connector of computer for the communication IT E132 USB Communication cable The DB9 interface connector on the rear panel of electronic load is TTL voltage level you c...

Страница 42: ...mmunication Note Forbidden to connect DB9 connector in electronic load directly with PC or other RS232 port COMPUTER INSTRUMENT RX TX IT E131 ISOLATED COMMUNICATION CABLE TTL 5V RS232 ISOLATION 859666...

Страница 43: ...cation address from the front panel or from computer 1 Address the range is from 0 to 254 default setting is 0 2 Baud rate 4800 9600 19200 and 38400 are selectable 3 Data bit 8 bit 4 Stop bit 1 5 Pari...

Страница 44: ...Province China Europe Tel 477 590101 Fax 477 572323 32 rue Edouard Martel 42100 St Etienne France South Korea Tel 285 20680 Fax 285 20684 153 783 Rm601 ByuckSan GaSan Dong Seoul Korea USA Tel 714 921...

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