ITech IT8500plus Series User Manual

Dc programmable electronic load
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Via Acquanera, 29
22100 Como
tel. 031.526.566 (r.a.) fax 031.507.984
info@calpower.it
www.calpower.it
DC Programmable Electronic Load
User's Manual
Model
IT8500plus series
IT8511+/IT8512+/IT8512B+/IT8512C+
/IT8513C+/IT8514B+/IT8514C+/IT8516C+
© Copyright 2010 All Right Reserved
Ver1.1 /MAR, 2013/ IT8500+
1
IT8500 USER MANUAL
User Manual

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Table of Contents
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Summary of Contents for ITech IT8500plus Series

  • Page 1 IT8500 USER MANUAL Via Acquanera, 29 22100 Como tel. 031.526.566 (r.a.) fax 031.507.984 info@calpower.it www.calpower.it User’s Manual DC Programmable Electronic Load Model IT8500plus series IT8511+/IT8512+/IT8512B+/IT8512C+ /IT8513C+/IT8514B+/IT8514C+/IT8516C+ © Copyright 2010 All Right Reserved Ver1.1 /MAR, 2013/ IT8500+ User Manual...
  • Page 2: Table Of Contents

    IT8500 USER MANUAL CHAPTER1 INSPECTION AND INSTALLATION ..................7 1.1 I ............................7 NSPECTION 1.2 C ............................. 7 LEANING 1.3 I ............................7 NSTALLATION 1.3.1 Mounting Dimensions ........................7 1.3.2 Adjustment of handle ......................... 11 1.3.3 Rack mounting ........................... 12 1.4 I ..........................
  • Page 3 IT8500 USER MANUAL 4.16.2 External Triggering ........................41 4.16.3 Current monitoring (I Monitor) ....................41 CHAPTER 5 BASIC OPERATION ......................42 5.1 O ..........................42 PERATION MODE 5.1.1 Constant current operation ......................42 5.1.2 Constant voltage operation ......................42 5.1.3 Constant power operation ......................42 5.1.4 Constant resistance operation ....................
  • Page 4 IT8500 USER MANUAL Warranty Information Certification We certify that this product met its published specifications at time of shipment from the factory. Warranty This hardware product is warranted against defects in material and workmanship for a period of ONE year from date of delivery. During the warranty period our company will either repair or replace products which prove to be defective.
  • Page 5 IT8500 USER MANUAL electrical ground. The instrument must be connected to the AC power through a grounded power cable, with the ground wire firmly connected to an electrical ground (safety ground) at the power outlet. Note: Any interruption of the protective (grounding) conductor or disconnection of the protective earth terminal will cause a potential shock hazard that could result in personal injury.
  • Page 6 IT8500 USER MANUAL Introduction IT8500plus series DC electronic loads are single channel programmable electronic load which can provide multiple solutions according to the requirements of your design and test. This series have international advanced functions and features. • Highlight VFD display •...
  • Page 7: Chapter1 Inspection And Installation

    IT8500 USER MANUAL Chapter1 Inspection and Installation 1.1 Inspection Make sure that you have received the following compontents in the table below (one instrucment for example).If anything has been lost, please contact with your franchiser. Item Part Number Description IT-E171 You can choose different power cord IT-E172 One power...
  • Page 8 IT8500 USER MANUAL unit:minimeter(mm) IT8513C+ Dimension: 214.5 mmW x 88.2mm H x 453.5mm D unit:minimeter(mm) IT8514B+/IT8514C+ Dimension: 436.5 mmW x 88.2mm H x 463.5mm D User Manual...
  • Page 9 IT8500 USER MANUAL unit:minimeter(mm) IT8516C+ Dimension: 482.5 mmW x 174.5mm H x 531.5mm D User Manual...
  • Page 10 IT8500 USER MANUAL User Manual...
  • Page 11: Adjustment Of Handle

    IT8500 USER MANUAL unit:minimeter(mm) 1.3.2 Adjustment of handle Model IT8511+/IT8512+/IT8512B+/IT8512C+/IT8513C+ has handle. The following pictures demonstrate various ways to use the handle. Please use proper strength to adjust the handle to enable it in a favorable location. User Manual...
  • Page 12: Rack Mounting

    IT8500 USER MANUAL The handle may be removed if desired. The way to remove the handle: Move the handle to depart it from the load’s side by 2mm and then rotate the handle to the position as below pictures, remove it. 1.3.3 Rack mounting Model IT8511+/IT8512+/IT8512B+/IT8512C+/IT8513C+can be mounted into a standard 19-inch rack.
  • Page 13 IT8500 USER MANUAL Rack Installation: Elevation for Installation one electronic load in a standard 19-inch rack Side elevation for Installation one electronic load in a standard 19-inch rack Elevation for Installation two electronic loads in a standard 19-inch rack Caution: Be careful not to grip your fingers due to too much strength when you take off the handle.
  • Page 14: Input Connections

    IT8500 USER MANUAL 1.4 Input connections Power Cord Connect the power cord to the IEC 320 connector on the rear of the unit. If the wrong power cord was shipped with your unit, contact your nearest Agent to obtain the correct cord.
  • Page 15: Chapter2 Quick Starts

    3. “Cal data lost” means calibration date have been lost. 4. “Eeprom Data lost”means the system settings are lost, reset them in system menu. If you experience these error messages, the instrument should be returned to ITECH for service. WARNING:The electronic load is shipped from factory with a power cord that has a plug appropriate for your location.
  • Page 16 IT8500 USER MANUAL Please ensure the power cord is plugged into the back of the instrument, the other end of the cord is plugged into a live AC power outlet and the power is on. 2) Check the power-line voltage setting. The line voltage is set to the proper value for your country(110VAC or 220VAC) when the electronic load is shipped from facory.
  • Page 17: Front Pannel Introduction

    IT8500 USER MANUAL 2.2 Front pannel introduction Front panle of IT8511+/IT8512+/IT8512B+/IT8512C+/IT8513C+ Front panel of IT8514B+/IT8514C+ Front panel of IT8516C+ User Manual...
  • Page 18: Rear Pannel Introduction

    IT8500 USER MANUAL Power switch ① VFD display ② Composite key and Local key ③ ④ Number key: Set the parameters value Achieve the menu’s function by key combination ⑤ Function key: Set the operation mode Control the input state:On/Off Direction function ⑥...
  • Page 19: Vfd Display Annunciators

    IT8500 USER MANUAL Rear panel of IT8516C+ ① Fan Power swith (110V/220V) ② Power input socket ③ I-monitor ④ DB9 COM interface/RS232 interface(IT8514B+/IT8514C+/IT8516C+) ⑤ ⑥ Remote measurement and external trigger terminals USB interface ⑦ 2.4 VFD Display annunciators The load is off. Error An error has occurred.
  • Page 20: Combination Keys

    IT8500 USER MANUAL Power on button (Gray-white) ~ Enter the digits 0 to 9. Decimal point The escape key Choose constant current mode. Choose constant voltage mode. Choose constant resistance mode. Choose constant power mode. Enter the selected value or setting. Turns DC Load ON or OFF (OFF is high impedance state).
  • Page 21: Chapter3 Specifications

    IT8500 USER MANUAL Chapter3 Specifications 3.1 Specifications Model IT8511+ IT8512+ Input voltage 0~120V 0~120V Input current 0~3A 0~30A 0~3A 0~30A Rated value Input power 150 W 300W ( 0~40 ℃) Minimum operation 0.14V at 3A 1.4V at 30A 0.12V at 3A 1.2V at 30A voltage range...
  • Page 22 IT8500 USER MANUAL current(CC) ≒3.3/3A ≒33/30A ≒3.3/3A ≒33/30A voltage(CV) Short resistance(CR ≒45mΩ ≒45mΩ ≒40mΩ ≒40mΩ Input 150KΩ 150KΩ impendance Dimension 214.5mm*88.2mm*354.6mm 214.5mm*88.2mm*354.6mm Model IT8512B+ IT8512C+ Input voltage 0~500V 0~120V Input current 0~3A 0~30A 0~6A 060A Rated value Input power 300W 300W ( 0~40 ℃) Minimum...
  • Page 23 IT8500 USER MANUAL ≒3.3A ≒16A ≒6.5A ≒65A ≒530V ≒125V ≒85℃ ≒85℃ Specification current(CC) ≒3.3/3A ≒16/15A ≒6.5/6A ≒65/60A voltage(CV) Short resistance(CR ≒180mΩ ≒180mΩ ≒40mΩ ≒40mΩ Input 150KΩ 150KΩ impendance 214.5mm*88.2mm*354.6mm 214.5mm*88.2mm*354.6mm Dimension Model IT8513C+ IT8514C+ Input voltage 0~120V 0~120V Input current 0~12A 0~120A 0~24A...
  • Page 24 IT8500 USER MANUAL ≒125V ≒125V ≒95℃ ≒85℃ Specification current(CC) ≒13/12A ≒130/120A ≒26.7/24A ≒267/240A voltage(CV) Short resistance(CR ≒15mΩ ≒15mΩ ≒8mΩ ≒8mΩ Input 150KΩ 150KΩ impendance 214.5mm*88.2mm*453.5mm 436.5mm*88.2mm*463.5mm Dimension Model IT8514B+ IT8516C+ Input voltage 0~500V 0~120V Input current 0~6A 0~60A 0~24A 0~240A Rated value Input power 1500 W...
  • Page 25: Supplementary Characteristics

    IT8500 USER MANUAL ≒85℃ ≒85℃ Specification ≒6.7/6A ≒67/60A ≒26/24A ≒260/240A current(CC) voltage(CV) Short resistance(CR ≒30mΩ ≒30mΩ ≒5mΩ ≒5mΩ Input 150KΩ 150KΩ impendance Dimension 436.5mm*88.2mm*463.5mm 436.5mm*176mm*463.5mm 3.2 Supplementary characteristics Memory capacity:100 registeres Suggested calibration frequency:Once a year AC input level(A transfer switch is selectable on the rear panel) Option Opt.1: 220V ±10% 50Hz/60Hz...
  • Page 26: Chapter4 Functions And Characteristics

    IT8500 USER MANUAL Chapter4 Functions and Characteristics This chapter elaborates on the functions and characteristics of electronic loads.Contents following sections:  Local mode/Remote mode  Operation mode(CC/CV/CR/CW)  On/Off control  Four trigger function  Transient mode  List mode ...
  • Page 27: Constant Voltage Mode(Cv)

    IT8500 USER MANUAL 4.2.2 Constant voltage mode (CV) In constant voltage mode, the DC load will cause a constant voltage to appear at its terminals. Setting voltage Input voltage Input current CV mode Diagram 4-2 I-V curve in CV mode 4.2.3 Constant resistance mode (CR) In constant resistance mode, the DC load will behave as a fixed resistance value.As shown below,the load linearly changes the current value with the rising of input voltage.
  • Page 28: Input On/Off Control

    IT8500 USER MANUAL 4.3 Input On/Off control 4.3.1 On/Off operation On/Off button on the front panel is used to manually toggle the instrument between its set mode and an infinite impedance state, i.e control input on and off. On/Off button lighted indicates the load input is on, meanwhile the indicator will disappear.
  • Page 29: Config Menu (Config)

    IT8500 USER MANUAL HOLD Receving a command 9DH MEMORY Recall the prestored datas MEMORY GROUP= 0 0:indicates1-10 group;1:indicates 11-20group, by parity of reasoning DISP-TIMER Timer function DISPLAY Enable timer function OFF(default) Disable timer function RS-232 4800_8N 1 Baudrate 4800, data bit 8, none parity, stop bit 1 9600_8N 1 Baudrate 9600, data bit 8, none parity, stop bit 1 RS-232...
  • Page 30: Trigger Function

    IT8500 USER MANUAL P-LIM DELAY=3S Set the OPP delay time. TIMER Set load on timer LOAD-TIMER Enable load-on timer LOAD-TIMER=10.0S Set the load on time(0.1S~9999.9S) Disable load on timer V-RANGE Voltage auto-rangefuntion V-RANGE Enable voltage auto range function Disable voltage auto range function FILTER Set the filter parameter MEASURE...
  • Page 31: Trigger Source

    IT8500 USER MANUAL 4.6.2 Trigger source Manual: An immediate trigger is created by pressing (Shift)+ Trigger on the front panel. External(TTL signal): An external trigger is a TTL low signal applied to the trigger connection on the rear panel.This TTl signal must last for more than 10us. Bus: The instrument will be triggered if command 5AH is sent via the communication interface.
  • Page 32: Toggled Mode

    4.9 Saving and recalling settings We can save some often-used parameters in the non volatile memory, including working mode, voltage/current value and so on.IT8500plus series provide 100 non-volatile registers. They are divided into 10 Memory groups: Group0-9.You can set it in the system menu.Group0 means you can save and recall parameters in 0-10 registers.
  • Page 33: Von Function

    IT8500 USER MANUAL means you can save and recall parameters in 11-20 registers. Group2-Group9 can be concluded in the same manner. Save and Recall operation: For example: the instrucment works in CC mode, setting value is 1A, Memory Group is 6. Save “CC 1A” in the 61th register and then recall. Operation VFD Display SAVE...
  • Page 34 IT8500 USER MANUAL VON LIVING MODE In Living mode, when power is applied to the DC load, the voltage must rise above VON setting before the load draws current from the source.If the voltge below VON setting on the load’s terminals, the load will turn off input. VON LATCH MODE In Latch mode,as before,the load will turn on only when the voltage exceed VON setting,but once on,it will now stay on,even if the voltage drops to zero.
  • Page 35: Ocp Operation

    IT8500 USER MANUAL 4.11 OCP operation OCP test process: After input voltage reaches VON point,the DC load start to draw a current from the source after a delay time.The current value will increase by a certain step size at regular intervals.Simultaneously,the DC load will judge whether the input voltage is lower than OCP voltage you’ve set.If it is,then the present current value will be compared to see if it is in the current range you’ve set,in this range,the OCP test will Pass or fail.On the contrary,the DC load will continue to increase drawing current and compare...
  • Page 36: Opp Operation

    IT8500 USER MANUAL 4.12 OPP operation OPP test process:When the input voltage has reached VON point, power will begin to work after a delay time.The power value will increase by a step size at regular intervals.Simultaneously,the DC load will judge wether the input voltage is lower than OPP voltage(you need to set).If it is,then the present current value will be compared to see if it is in the current range you’ve set,in this range,the OPP test will Pass or fail.On the contrary,the power will continue to increase within the cut-off current range.And then...
  • Page 37: Battery Test

    (shift)+8(system)------“RUNMODE”-----“Enter”-------select “NORMAL”mode----“Enter”. 4.13 Battery test IT8500plus series products test the battery capability in CC/CW/CR mode. The test mode should be set first, and then the discharge stop conditions. There are three discharge stop conditions to be set for IT8500 plus series products. When user only need to do battery testing in one or two stop conditions, the other conditions should be set to the specified value (STOP VOLT:0V;STOP CAP:999.999AH;STOP...
  • Page 38 IT8500 USER MANUAL (3)Time-out cut off Step Operation Display 0.0000V 0.000A Press (Shift)+5(Battery),set current RANGE = 0.00A range Set discharge current,for example 2A CURRENT = 2.000A Set the stop voltage to 0V, then press Enter STOP VOLT=0V to confirm. Set the stop capability to maximum STOP CAP=999.999AH 999.999AH, press Enter to confirm.
  • Page 39: Protection Features

    IT8500 USER MANUAL (7)Recall battery file Press shift+ Enter button to select programe file,the panel displays “RECALL BATTERY 1.Enter the file name(1-10),press Enter button to confirm. (8)Pannel locked in case of error operations Press (shift)+ on/off(Lock) button to lock the panel.In this mode,only (shift) and on/off button is enabled.
  • Page 40: Over Temperature Protection (Otp)

    IT8500 USER MANUAL If the the DC load’s power value reach OPP limit and after the delay time, the DC load will automatically turned off, VFD will display OPP. Operations to clear the OPP state Disconnect the instrument under test. Press any key on the front panel, the displayed on the VFD will disappear, the DC load exits OPP protection state.
  • Page 41: External Triggering

    IT8500 USER MANUAL (4) Press to choose>ON, press Enter key to confirm, then remote sense function has been set,and VFD display Sense indicator. Remote Sensing: SENSE (+) and SENSE (–) are the remote sensing inputs. By eliminating the effect of the inevitable voltage drop in the DC load leads, remote sensing provides greater accuracy by allowing the DC load to regulate directly at the source's output terminals.
  • Page 42: Chapter 5 Basic Operation

    IT8500 USER MANUAL Chapter 5 Basic Operation 5.1 Operation mode 5.1.1 Constant current operation (Set the current from 0 to the current limit) There are three ways to set the current value: 1. In CC mode, rotate Rotary knob. 2. In CC mode, input value through number keys directly,press Enter to confirm. 3.
  • Page 43: Constant Resistance Operation

    IT8500 USER MANUAL There are three ways to set the power value: 1. In CW mode, rotate Rotary konb. 2.In CW mode, input value through number key boards directly,press Enter to confirm 3. In CW mode, move the stepping cursor by pressing , and then adjust the power by pressing To set power range, follow the steps:...
  • Page 44: Continuous Transient Operation

    IT8500 USER MANUAL 5.2.1 Continuous transient operation Press (Shift)+ 2(Tran) to enter the transient operation setup menu: Steps Operation VFD display TRAN Press (Shift)+ 2(Tran), move key to select ON., press Enter to confirm. MODE CONTINUOUS > Preess to select transient operation mode as CONTINUOUS (the indicator...
  • Page 45: Pulse Transient Operation

    IT8500 USER MANUAL 5.2.2 Pulse transient operation Press (Shift)+ 2(Tran) enter the transient operation setup menu: Steps Operation VFD display TRAN ON Press (Shift)+ 2(Tran), move key to select ON., press Enter to confirm. MODE CONTINUOUS > Preess to select transient operation mode as PULSE(the indicator lamp Trig will be lighted)
  • Page 46: Toggle Transient Operation

    IT8500 USER MANUAL 5.2.3 Toggle transient operation Toggled Transient Operation Press (Shift)+ 2(Tran) to enter the transient operation setup menu Steps Operation VFD display TRAN Press (Shift)+ 2(Tran), move key to select on., press Enter to confirm. Set transient operation mode as MODE CONTINUOUS >...
  • Page 47 IT8500 USER MANUAL Trigger List count=1 List count=2 List sequence Steps Operation VFD display LIST CALL Press (Shift)+3(List), make EDIT sure the is flashing,if not,press Enter to select ON,then press key to select EDIT,press Enter to confirm. Set the current range. LIST RANGE=3A Set list step count by number LIST STEP=2(2-84)
  • Page 48: Test Files

    IT8500 USER MANUAL Steps Operation VFD display LIST CALL EDIT Press (Shift)+3(List), make sure the is flashing,if not,press Enter to select ON,then press to select CALL ,press Enter to confirm. Select the list file.Press Enter to RECALL LIST =1 confirm. LIST CALL EDIT...
  • Page 49 IT8500 USER MANUAL 2, then press Enter to confirm Toff range 0~60S Set testing delay time, range SEQ01 P/F =1S 0~60S e.g. 1S, press 1. Set Ton for the second step, if SEQ02 ON =2S you want to load 2S, press 2, then press Enter to confirm Set Toff of the second step, if SEQ02 OFF =2S...
  • Page 50 IT8500 USER MANUAL Tpf is the delay time for a step Set stop conditions: COMP STOP COMP FAILURE means stop test when all the steps are completed, FAILURE means stop test when the testing fails. Press Enter key to confirm. Select the test file to link if you’d CHAIN PROGRAM =0(0-10) like to.
  • Page 51 IT8500 USER MANUAL Enter to confirm set the upper limit of voltage, HIGH=4.6V press Enter to confirm Set the lower limit of voltage, LOW=4.4V press Enter to confirm Set the rise speed of current, UP=1A/uS press Enter to confirm Set the fall speed of current, DOWN=1A/uS press Enter to confirm 10.0000V...
  • Page 52 IT8500 USER MANUAL Go into autotest mode Operation Display on front pannel 0.0000V 0.000A 1.Press (shift)+8(system) enter into POWER-ON BUZZER sysmtem menu 2.Press right key,select RUNMODE and 0.0000V 0.000A confirm with Enter button RUN <NORMAL 3.Press direction select 0.0000V 0.000A OCP_TEST,Press Enter to confirm.
  • Page 53: Chapter6 Communication Interfaces

    IT8500 USER MANUAL Chapter6 Communication interfaces DB9 in the rear panel of the DC load could connect with RS-232 through on TTL connector. The following description may help you to know how to control the output of the DC load through PC. WARNING: Don’t connect the DC load’s DB9 connector to a standard RS232 instrument;...
  • Page 54: Communication With Pc

    IT8500 USER MANUAL IT-E123 communication module The DB9 interface connector on the rear panel of the DC load is TTL voltage level; The interface on both side port of IT-E123 are DB9 interface and RS485 interface, you can use the communication module IT-E123 and an a standard RS485-RS232 conversion cable to connect the DB9 interface connector of the DC load and the RS-232 interface connector of computer for the communication.
  • Page 55 IT8500 USER MANUAL DB9 serial port User Manual...
  • Page 56 If you have a problem, follow these steps: 1 Check the documentation that come with the product 2 Visit the ITECH online service Web site is www.itechate.com ,ITECH is avaliable to all ITECH customers. It is the fastest source for up-to-date product information and expert...

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