1. Manuals
  2. Brands
  3. ITech Manuals
  4. Power Supply
  5. IT8400 Series
  6. User manual

ITech IT8400 Series User Manual

Programmable dc electronic load
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Programmable DC Electronic
Load
IT8400 Series User Manual
Model: IT8400 Series
Version: V1.4/6,2024

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the IT8400 Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for ITech IT8400 Series

Summary of Contents for ITech IT8400 Series

  • Page 1 Programmable DC Electronic Load IT8400 Series User Manual Model: IT8400 Series Version: V1.4/6,2024...
  • Page 2 CAUTION sign until the in- pose. ITECH shall not be held liable Manual Part Number dicated conditions are for errors or for incidental or indirect fully understood and met.

  • Page 3: Warranty

    Warranty ITECH warrants that the product will be free from defects in material and work- manship under normal use for a period of one (1) year from the date of delivery (except those described in the Limitation of Warranty below).

  • Page 4: Safety Symbols

    Failure to comply with these precautions or specific warn- ings elsewhere in this manual will constitute a default under safety standards of design, manufacture and intended use of the instrument. ITECH assumes no li- ability for the customer’s failure to comply with these precautions.
  • Page 5 This instrument is used for industrial purposes, do not apply this product to IT power supply system. • Never use the instrument with a life-support system or any other equipment subject to safety requirements. Copyright © Itech Electronic Co., Ltd.

  • Page 6: Environmental Conditions

    Make sure the vent hole is always unblocked. Environmental Conditions The instrument is designed for indoor use and an area with low condensation. The table below shows the general environmental requirements for the instrument. Copyright © Itech Electronic Co., Ltd.

  • Page 7: Regulation Tag

    The service life of the product is 10 years. The product can be used safely within the environmental protection period; oth- erwise, the product should be put into the recycling system. Copyright © Itech Electronic Co., Ltd.

  • Page 8: Waste Electrical And Electronic Equipment (Weee) Directive

    According to the equipment classifi- cation in Annex I of the WEEE direc- tive, this instrument belongs to the “Monitoring” product. If you want to return the unnecessary instrument, please contact the near- est sales office of ITECH. Copyright © Itech Electronic Co., Ltd.

  • Page 9: Compliance Information

    3. Use high-performance shielded interface cable to ensure conformity with the EMC standards listed above. Safety Standard IEC 61010-1:2010+A1:2016 This section provides general and universal terms. For more detailed infor- mation on the Declaration of Conformity, please contact ITECH personnel. Copyright © Itech Electronic Co., Ltd.

  • Page 10: Table Of Contents

    3.7.3 Setting Filter(Measure>Filter)..............43 3.7.4 Set transient over power loading capability(Enhance Power) ....43 3.8 Triggering Function ....................44 3.9 Dynamic Test Function ..................45 3.9.1 Continuous Mode ..................45 3.9.2 Pulse Mode....................47 Copyright © Itech Electronic Co., Ltd. VIII...
  • Page 11 5.3 GPIB interface...................... 119 5.4 LAN Interface ....................... 120 5.4.1 Using Web Server..................121 5.4.2 Using Sockets.................... 122 A Appendix ........................123 A.1 Specifications of Red and Black Test Cables ............. 123 A.2 Fuse Replacement ....................124 Copyright © Itech Electronic Co., Ltd.

  • Page 12: Inspection And Installation

    When carrying, be prepared to bear the weight to avoid sprains or being crushed by heavy objects. • Use suitable safety clothing, especially safety shoes, when carrying the equipment, as due to its weight a fall can have serious consequences. Copyright © Itech Electronic Co., Ltd.
  • Page 13 • ITECH 27U and 37U cabinets are equipped with hoisting rings as standard on the top. It is recommended to use a crane equipped with a four-leg hoisting belt structure for horizontal hoisting and moving, and ensure that the four hoisting belts are the same length to avoid cabinet skew during movement.

  • Page 14: Verifying The Shipment

    See the section Categories of power cords details. Red and a set The load whose power is greater black test than or equal to 10KW in this series lines are standard equipped with a set of Copyright © Itech Electronic Co., Ltd.

  • Page 15: Instrument Size Introduction

    1.3 Instrument Size Introduction The instrument should be installed at well-ventilated and rational-sized space. Please select appropriate space for installation based on the electronic load size. Copyright © Itech Electronic Co., Ltd.
  • Page 16 Inspection and Installation 4U Model Copyright © Itech Electronic Co., Ltd.
  • Page 17 Inspection and Installation 8U Model Copyright © Itech Electronic Co., Ltd.
  • Page 18 Inspection and Installation 15U Model Copyright © Itech Electronic Co., Ltd.
  • Page 19 Inspection and Installation 27U Model Copyright © Itech Electronic Co., Ltd.

  • Page 20: Connecting The Power Cord

    Inspection and Installation 37U Model 1.4 Connecting the Power Cord Before connect To avoid burning out and electric shock, The safety precautions must be observed. Copyright © Itech Electronic Co., Ltd.
  • Page 21 If purchased model fails to meet local voltage requirements, please contact distributor or factory for change. China United States & Europe England IT-E171 Canada & Japan IT-E173 IT-E174 IT-E172 Copyright © Itech Electronic Co., Ltd.
  • Page 22 Connect the brown terminal to line (L), blue to neutral (N), and yellow- green to ground. 4. Mount the protective cover back to its original position. 5. Connect the plug on the other end of the power cord to a grounded AC outlet. Copyright © Itech Electronic Co., Ltd.

  • Page 23: Connecting The Dut

    Inspection and Installation 1.5 Connecting the DUT Before connecting the DUT To avoid buring out and electric shock, The safety precautions must be observed. Copyright © Itech Electronic Co., Ltd.
  • Page 24 • Always use test lines provided by ITECH to connect the equipment. If test lines from other factories are used, please check that the test line can withstand maximum current.
  • Page 25 To ensure measurement accuracy, a remote sense measurement terminal is provided at load rear board to compensate voltage drop lost in wire. Copyright © Itech Electronic Co., Ltd.
  • Page 26 400A, the IT-E165A module can be directly connected in series. The IT- E165A module is an optional accessory and needs to be purchased separately. The connection method for IT-E165A is detailed as follows, and the method for Copyright © Itech Electronic Co., Ltd.
  • Page 27 1. Make sure that the power of the DUT, IT-E165A, and IT8400 is turned off. 2. Refer to the following diagram to connect the IT8400 series instrument and the DUT. 3. Connect the power cord of IT-E165A.

  • Page 28: Quick Reference

    High-precision three current measurement ranges with resolution up to 40uA • Fast double power loading capability (<3 s) • 25kHz fast dynamic mode, current rising and falling time is adjustable • Provide 8 working modes: CC, CV, CR, CW, CC+CV, CV+CR,CR+CC, CW Copyright © Itech Electronic Co., Ltd.
  • Page 29 IT8412-600-300 IT8412-1200-150 18 kW IT8418-600-450 IT8418-1200-225 15 U 24 kW IT8424-600-600 IT8424-1200-300 27 U 30 kW IT8430-600-750 IT8430-1200-375 36 kW IT8436-600-900 IT8436-1200-450 42 kW IT8442-600-1050 IT8442-1200-525 48 kW IT8448-600-1200 IT8448-1200-600 54 kW IT8454-600-1350 IT8454-1200-675 Copyright © Itech Electronic Co., Ltd.

  • Page 30: Front Panel Introduction

    Quick Reference • The curves indicating relationship between the rated input power, input voltage and internal temperature of IT8400 series load is shown in the following figure. • The naming rule of the IT8400 series is IT84XX-YY-ZZ, where XX represents the rated power of the model, YY represents the rated voltage and ZZ represents the rated current.

  • Page 31: Keyboard Introduction

    The keyboard is shown in the following figure; Descriptions of the key function follow the figure below. Detailed description of keys. Description Name [Shift] [Shift] Composite key. [Local] [Local] key, To shift local and remote operation. Copyright © Itech Electronic Co., Ltd.

  • Page 32: Fast Function Key

    To set dynamic operation parameters. [Shift]+[3] (List） To set list operation function. [Shift]+[4] (Save) To save existing setting load parameter values, e. g., voltage, current and power. [Shift]+[5] (Battery) To operate battery test function. Copyright © Itech Electronic Co., Ltd.

  • Page 33: Function Description Of Vfd Status Indicators

    The load is under software over- The load is under constant Prot current protection status. resistance mode. The load is under constant Start external analog quantity Rear power mode. function. Copyright © Itech Electronic Co., Ltd.

  • Page 34: Rear Panel Introduction

    Schematic Diagram of Rear Panel of this series (8U) electronic load. This series (8U) load consists of two electronic loads (4U). The electronic load (4U) with front panel is the master and the other is the slave. Copyright © Itech Electronic Co., Ltd.
  • Page 35 15. SYSTEM BUS interface of slave, has been connected to SYSTEM BUS interface of master 16. Analog terminal of slave, has been connected to Analog terminal of master 17. Input terminal of slave, has been connected to Input terminal of master Copyright © Itech Electronic Co., Ltd.
  • Page 36 1. Threading hole for communication interface To use the communication interface function , please remove this panel before connecting the terminals. 2. SYSTEM BUS interface, external analog control terminal, remote sense terminal and latch button SW. Copyright © Itech Electronic Co., Ltd.

  • Page 37: Power-On Selftest

    BIOS Ver 1.10 2. After approximately 1s, the system starts conducting self-test and the VFD displays System Selftest… 3. After the self-test, the VFD displays information, as shown in the below. 0.00V 0.00A 0.0W CC=0.00A Copyright © Itech Electronic Co., Ltd.
  • Page 38 No => Please check the [Power] key to start power and check whether the exception is removed. 3. Check whether set power voltage of electronic load is larger than the power supply voltage. 4. Check whether the fuse of the instrument is burned out. Copyright © Itech Electronic Co., Ltd.
  • Page 39 Quick Reference If fuse is burnt out, replace the fuse with the same type and rating. The specification is 3.15AT/250V. Refer to A.2 Fuse Replacement for detailed replacement procedures. Copyright © Itech Electronic Co., Ltd.

  • Page 40: Function And Features

    PC through a connection between the electronic load and PC. Under remote operation mode, except [Local]key, other keys on the board are disabled. The [Local] key can be used for switching to local operation mode. Copyright © Itech Electronic Co., Ltd.

  • Page 41: Constant-Status Operation Mode

    2. Set maximum working current value and press [Enter] for confirmation. Constant Current Range =200.00A 3. Set maximum voltage value and press [Enter] key. Constant Current High=1205.0V 4. Set minimum voltage value and press [Enter] key. Constant Current Copyright © Itech Electronic Co., Ltd.

  • Page 42: Constant Voltage Operation Mode（Cv

    • Use Left/Right key moving cursor and press Up/Down key to adjust values at corresponding positions. Operation Steps 1. Press [CV] key and [Shift]+[CV](Setup) to enter parameter setting screen. Constant Voltage Copyright © Itech Electronic Co., Ltd.

  • Page 43: Constant Resistance Operation Mode（Cr

    Under CR mode, the electronic load provides three ways to modify constant resistance. • Rotate adjusting knob to set constant resistance value. • Use numeric keys to input resistance value and press [Enter] key to confirm set constant resistance value. Copyright © Itech Electronic Co., Ltd.

  • Page 44: Constant Power Operation Mode（Cw

    If input voltage rises, the input current decreases and power P (= V * I) will maintain at setting power, as shown in the following figure. Under CW mode, the electronic load provides three ways to modify constant power. Copyright © Itech Electronic Co., Ltd.

  • Page 45: Compound Operation Mode

    DUT from burning. For example, in charging station test, the electronic load needs to rise up to 700V under CV mode. During test process, in order to stabilize electronic load Copyright © Itech Electronic Co., Ltd.

  • Page 46: Input Control Function

    If [On/Off] lamp is on, the input is on; and if [On/Off] lamp is off, the input is off. When the electronic load input is on, the VFD status indicator "OFF" is unlit. Copyright © Itech Electronic Co., Ltd.

  • Page 47: Keyboard Locking Function

    Set the buzzer status. Set the buzzer as OFF status. On(default) Set the buzzer as ON status. LOAD ON KNOB MODE Set the pulse knob. Knob Update(default) Real-time update. No update (Recover to original value at ON/OFF). Copyright © Itech Electronic Co., Ltd.
  • Page 48 Select the LAN communication interface. Gateway= 192.168.0.1 IP= 192.168.0.125 Mask= 255.255.255.0 Socket Port= 30000 PARALLEL Parallel mode set up. Parallel Single Single mode. Slave Act as a slave mode. Master Act as a master mode. Copyright © Itech Electronic Co., Ltd.

  • Page 49: Restored To Factory Setting(Initialize)

    In Old mode, this knob can’t be used. Factory default is Update option. 1. Press the composite key [Shift]+[8](System) to enter system menu setting screen. 2. Operate Left/Right key and move to the Knob and press [Enter] key. Copyright © Itech Electronic Co., Ltd.

  • Page 50: Trigge Mode(Trigger)

    If Off is selected, the loading time will not be displayed. Factory default is Off option. 1. Press the composite key [Shift]+[8](System) to enter system menu setting screen. Copyright © Itech Electronic Co., Ltd.

  • Page 51: Communication Set

    Von point latch state, ON /OFF Latch Point= 0.00V Set the Von value. Protect PROTECT MENU Set hardware power protection. Max-P MAX POWER hardware protective Point=2000.0W power value. Set software current protection. I-Limit CURRENT LIMIT Copyright © Itech Electronic Co., Ltd.
  • Page 52 Measure voltage rise/fall time. Time V TIMER VOLTAGE FUNC Set low voltage value. Point1=0.00V High Set high voltage value. Point2=1200.0V Time C Measure current rise/fall time. TIMER CURRENT FUNC Set low current value. Point1=0.000A Copyright © Itech Electronic Co., Ltd.

  • Page 53: On-Timer Set(Protect>Time)

    This menu item is used to set the voltage range to auto-switch. When On is selected, the instrument will automatically switch to high range or low range. When Off is selected, the auto-switching voltage range function is disabled. Copyright © Itech Electronic Co., Ltd.

  • Page 54: Setting Filter(Measure>Filter)

    • The interval between the two over-power loading running must be up to 60 seconds. • When the loading power is over 1.1 times the rated power, the fan runs at full power. Copyright © Itech Electronic Co., Ltd.

  • Page 55: Triggering Function

    Manual (Def): manual trigger External: external signal trigger Hold: special command trigger Bus: BUS command trigger Timer: timer trigger 4. Press [Esc] to exit setting. The system displays original values under different modes. Copyright © Itech Electronic Co., Ltd.

  • Page 56: Dynamic Test Function

    2. Press [Shift]+[2](Tran) keys. Operate Left/Right key and move to On. Press [Enter] key (The Trig lamp that indicates VFD screen status is on). TRANSITION 3. Operate Left/Right key and select Continuous. Press [Enter] for confirmation. Copyright © Itech Electronic Co., Ltd.
  • Page 57 The load will continuously switch between A and B value. Time of operations is shown at bottom right. After the running count is up to 65535, it goes to zero and re-count, which doesn't affect the normal running of dynamic test. Copyright © Itech Electronic Co., Ltd.

  • Page 58: Pulse Mode

    4. Operate Left/Right key and select high rate or low rate. Move to the High- Rate and press [Enter] key. TRANSITION High-Rate Low-Rate 5. Set ascending slope and press [Enter] key. TRANSITION Rise up=2.0000A/uS 6. Set descending slope and press [Enter] key. Copyright © Itech Electronic Co., Ltd.

  • Page 59: Toggle Mode

    Under toggle mode with dynamic test function enabled, the load switches between A value and B value upon receiving a trigger signal, as shown in the following figure. The following picture shows the current waveform in toggle transient operation. Copyright © Itech Electronic Co., Ltd.
  • Page 60 7. Set A value and press [Enter] key. TRANSITION Level A=1.00A 8. Set B value and press [Enter] key. TRANSITION Level B=2.00A 9. Start dynamic test and operate key. Move to on and press [Enter] key. Copyright © Itech Electronic Co., Ltd.

  • Page 61: Ocp Test Function

    1：Voltage on level=0.00V Set Von voltage value. 2：Voltage on Delay=0.00S Set Von voltage delay time. Edit 3：Current Range=0.000A Set working current range. 4：Start Current=0.000A Set initial current value. 5：Step Current=0.000A Set step current value. Copyright © Itech Electronic Co., Ltd.

  • Page 62: Opp Test Function

    Operate OPP test documents. OPP TEST Recall Recall OPP File=1 Recall OPP test documents (1-5). OPP TEST OPP TEST 1：Voltage on level=0.00V Set Von voltage value. Edit 2：Voltage on Delay=0.00S Set Von voltage delay time. Copyright © Itech Electronic Co., Ltd.

  • Page 63: Battery Discharge Test Function

    During test, the operator can observe voltage, discharging time and discharged capacity of battery. Battery discharge test is a necessary step before battery replacement for it can reflect reliability and remaining life of battery. Copyright © Itech Electronic Co., Ltd.
  • Page 64 When using switch-type devices to directly connect the test object and electronic load, there will be a voltage surge at the moment the switch device is closed. The excessively high voltage surge will damage the electronic load. To Copyright © Itech Electronic Co., Ltd.

  • Page 65: Cr-Led Test Function

    CR mode, the electronic load only works when voltage applied at its both ends is higher than the diode break-over voltage to give a real simulation of diode working principle, i.e., the ripple current at real LED test. Copyright © Itech Electronic Co., Ltd.
  • Page 66 For example, the output voltage of LED driver is 50V, verify that whether the output current of LED is rated current 200mA. a. Press [CR] key and set corresponding constant resistance. (Set CR= 50Ω) b. Press [Shift]+[CV](Setup)keys for a series of related setting: range=7500.0 Copyright © Itech Electronic Co., Ltd.
  • Page 67 LED as shown in the red circle above. Or you can calculate the value of R and Vd by the following method. Vd=V*0.8 R=0.2V/I In the example: Vd=50V*0.8=40V Copyright © Itech Electronic Co., Ltd.

  • Page 68: Measure Function

    6. Use the following commands to read the voltage rising time, current rising time, voltage positive pulse time and current positive pulse time, when the power supply output is stable. SENSe:TIME:VOLTage:UP? SENSe:TIME:CURRent:UP? SENSe:VOLTage:POSitive:PULSe? SENSe:CURRent:POSitive:PULSe? 7. Close the power output. Copyright © Itech Electronic Co., Ltd.

  • Page 69: Configuration Save Function

    CC= 1.00A 2. Press [Shift]+[4](Save) to save the instrument's settings to a register. 5.89V 0.99A 5.89W Save: 1 3. Enter number [3] and [9], indicates the settings is saved in the 9th register in Group3. Copyright © Itech Electronic Co., Ltd.

  • Page 70: Von Function

    Press [Shift] + [9](Config) keys to enter configuration menu. Set voltage value in Voltage on under configuration menu to control On/Off status of electronic load. Based on Von value load and unload, the load has two modes: Living and Copyright © Itech Electronic Co., Ltd.
  • Page 71 When VON LATCH function is started, the load starts load test only when the power voltage rises and is higher than Von Point loading voltage. When the power voltage drops and is lower than Von Point unloading voltage, the load will not unload. Copyright © Itech Electronic Co., Ltd.

  • Page 72: Protective Function

    If not, disconnect the object. Press any key on load front board (or send command PROTection:CLEar), the load front board (OVP) word will get cleared and the load will exit OVP protection status. Copyright © Itech Electronic Co., Ltd.

  • Page 73: Overcurrent Protection (Ocp)

    2. Press Left/Right key to move to the Protect and press [Enter]. 3. Press Left/Right key to move to the Max-P and press [Enter]. 4. Press numeric keys and set the Max-P Point, press [Enter] to confirm. Copyright © Itech Electronic Co., Ltd.

  • Page 74: Overtemperature Protection (Otp)

    • Clear current oscillation protection status:Press any key on load front board (or send command to PROTection:CLEar), the load front board (OSC) word will get cleared and the load will exit OSC protection status. Copyright © Itech Electronic Co., Ltd.

  • Page 75: List Operation

    [Enter] key. LIST Recall Edit 2. Operate Left/Right key and move to the High-Rate and press [Enter] key. EDIT LIST High-Rate Low-Rate 3. Set maximum working current value and press [Enter] for confirmation. EDIT LIST Copyright © Itech Electronic Co., Ltd.
  • Page 76 If On Recall Edit is displayed under LIST MENU or the external analog control function is switched on, neither List nor Wave file editing is accessible. In this case, change On Recall Edit to Off Recall Edit before operation. Copyright © Itech Electronic Co., Ltd.

  • Page 77: Terminal Function Of Rear Panel

    On/ Off control terminal and current monitoring terminal. Terminal schematic (as shown below): Pin function CAN_H，CAN_L CANH and CANL terminal for CAN communication. (- Incomplete support) TRIG Positive input signal terminal for external trigger. Copyright © Itech Electronic Co., Ltd.

  • Page 78: External Trigger Function

    TTL electrical level. The load input will be switched on in case of low level external input; and the load input will be switched off in case of high level external input. Copyright © Itech Electronic Co., Ltd.

  • Page 79: Voltage Fault Indication

    The 0 to 10V analog quantity output signal of current monitoring output terminal represents input current to which the terminal belongs from 0 to full range. An external voltmeter or oscilloscope can be connected to display input current change. Copyright © Itech Electronic Co., Ltd.

  • Page 80: Auto Test Function

    8. Set test delay time of step 1. If 1S is required, directly press [1] key. Press [Enter] key. Tpf is delay time before measurement. EDIT PROGRAM SEQ 01 P/F Delay Time=1.0S 9. Set loading time of step 2. If 2S is required, directly press [2] key. Press [Enter] key. Copyright © Itech Electronic Co., Ltd.
  • Page 81 The above steps only set entire framework of auto tests. Additional setting is required for specific parameters in each step. This design will facilitate modification of parameters in a single step. Copyright © Itech Electronic Co., Ltd.
  • Page 82 8. Press [Shift]+[4](Save) keys for saving. Press [11] to save as the first step of the Program 2. 0.00V 0.00A 0.00W Save：11 It is assumed that step 2 edits CV mode as follows: voltage: 3V, maximum current value: 5A, and minimum current value: 0A Copyright © Itech Electronic Co., Ltd.
  • Page 83 After the parameter settings are complete, the page is shown as follows. 0.0V 0.00A 0.0W CV=3.0V 7. Press [Shift]+[4](Save) keys for saving. Press [12] to save as the second step of the Program 2. 0.00V 0.00A 0.00W Save：12 Copyright © Itech Electronic Co., Ltd.
  • Page 84 4. Display auto test file 2. 0.00V 0.00A PRG02 STOP 5. Press [Shift]+[.] (Trigger) key. Operate auto test file 2. 0.00V 0.00A PRG02-01 On Pass 6. Press [Shift]+[0](Pause) key to pause auto test. Press Down key for next step. Copyright © Itech Electronic Co., Ltd.

  • Page 85: Parallel Function

    (1 Master and 2 Slave) in parallel as an example. The System Bus is used as connection between master and slaves; the Analog is used as analog signal connection for parallel. • Before connecting the system bus, the parallel mode must be single. Copyright © Itech Electronic Co., Ltd.
  • Page 86 Salves for the Master. • Total: total number of instruments in parallel. For example, Total = 3. 3. After making the master-slave setting, to ensure normal operation, you need to restart the electronic loads. Copyright © Itech Electronic Co., Ltd.
  • Page 87 (1 Master and 1Slave) in parallel as an example. The System Bus is used as connection between master and slaves; the Analog is used as analog signal connection for parallel. • Before connecting the system bus, the parallel mode must be single. Copyright © Itech Electronic Co., Ltd.
  • Page 88 2. After connection, configure one 8U load as a master unit and another 8U load as slave units. a. Press the composite key [Shift]+[8](System) to enter the System Menu. b. Press the Right key to select “Parallel” and press [Enter] for parallel setting. Copyright © Itech Electronic Co., Ltd.

  • Page 89: Parallel Operation(One Master And Multi-Slaves)

    This section uses four instruments as an example to introduce the steps for par- allel connection with one master and three slaves. The type and assembly method for parallel connection of other quantities of instruments are the same. Copyright © Itech Electronic Co., Ltd.
  • Page 90 3. Access 100V~240V power supply at the AC-IN position on the back panel of the instrument. Turn on the front panel power switch. 4. Parallel setup Copyright © Itech Electronic Co., Ltd.
  • Page 91 Press the Right key to select "ModNum" and press [Enter]. d. Set Module Num to 4 and press [Enter]. Press [Esc] to return to the main screen. 5. After the setup is complete, you need to restart the electronic loads. Copyright © Itech Electronic Co., Ltd.

  • Page 92: Technical Specification

    Do not cover the ventilation holes on the top, sides, or bottom of the instrument. • To ensure that the IT8400 series load meets the specified specifications and performance, please ensure that the inlet air temperature of the instrument is within the range of 0 to 25°C.
  • Page 93 Range Read-back Resolution 0.1W power *2 Accuracy ±(0.2%+0.2%FS) Protection range Overpower 1.89KW ≒6.05KW protection Overcurrent ≒3.15A ≒15.75A ≒157.5A protection Overvoltage ≒630V protection Overtemper- ature ≒85℃ protection Specification Current (CC) Short circuit ≒3.15A ≒15.75A ≒157.5A Copyright © Itech Electronic Co., Ltd.

  • Page 94: It8412-600-300

    ( 0 ~ 40 ℃) Input power 3.6KW 12KW Min. operat- 0.45V@6A 0.525V@30A 5.25V@300A ing voltage Range 0.1~60V 0.1~600V Constant voltage Resolution 10mV mode Accuracy ±(0.05%+0.05%FS) ±(0.05%+0.05%FS) Constant Range 0~6A 0~30A 0~300A current Resolution 0.2mA 10mA mode Copyright © Itech Electronic Co., Ltd.
  • Page 95 0.2mA 10mA current Accuracy ±(0.05%+0.1%FS) ±(0.05%+0.05%FS) ±(0.05%+0.05%FS) Range 12KW Read-back Resolution 0.2W power *2 Accuracy ±(0.2%+0.2%FS) Protection range Overpower 3.78KW ≒12.1KW protection Overcurrent ≒6.3A ≒31.5A ≒315A protection Overvoltage ≒630V protection Overtemper- ature ≒85℃ protection Copyright © Itech Electronic Co., Ltd.

  • Page 96: It8418-600-450

    0~600V voltage Input 450A Rated value ( current 0 ~ 40 ℃) Input power 5.4KW 18KW Min. operat- 0.45V@9A 0.525V@45A 5.25V@450A ing voltage Range 0.1~60V 0.1~600V Constant voltage Resolution 10mV mode Accuracy ±(0.05%+0.05%FS) ±(0.05%+0.05%FS) Copyright © Itech Electronic Co., Ltd.
  • Page 97 0~45A 0~450A Read-back Resolution 0.3mA 10mA current Accuracy ±(0.05%+0.1%FS) ±(0.05%+0.05%FS) ±(0.05%+0.05%FS) Range 18KW Read-back Resolution 0.3W power *2 Accuracy ±(0.2%+0.2%FS) Protection range Overpower 5.67KW ≒18.15KW protection Overcurrent ≒9.45A ≒47.25A ≒472.5A protection Overvoltage ≒630V protection Copyright © Itech Electronic Co., Ltd.

  • Page 98: It8424-600-600

    4.1.4 IT8424-600-600 Model IT8424-600-600 Input 0~600V voltage Input current 600A Rated value ( 0 ~ 40 ℃) Input power 7.2KW 24KW Min. operat- 0.45V@12A 0.525V@60A 5.25V@600A ing voltage Constant Range voltage 0.1~60V 0.1~600V mode Copyright © Itech Electronic Co., Ltd.
  • Page 99 ±(0.025%+0.025%FS) Range 0~12A 0~60A 0~600A Read-back Resolution 0.4mA 20mA current Accuracy ±(0.05%+0.1%FS) ±(0.05%+0.05%FS) ±(0.05%+0.05%FS) Range 18KW Read-back Resolution 0.4W power *2 Accuracy ±(0.2%+0.2%FS) Protection range Overpower 7.56KW ≒24.2KW protection Overcurrent ≒12.6A ≒63A ≒630A protection Copyright © Itech Electronic Co., Ltd.

  • Page 100: It8430-600-750

    *5.The load current value is no less than 10% of FS_CCH. 4.1.5 IT8430-600-750 Model IT8430-600-750 Input 0~600V voltage Input 750A Rated value current ( 0 ~ 40 ℃) Input power 30KW Min. operat- 0.45V@15A 0.525V@75A 5.25V@750A ing voltage Copyright © Itech Electronic Co., Ltd.
  • Page 101 10mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Range 0~15A 0~75A 0~750A Read-back Resolution 0.5mA 2.5mA 25mA current Accuracy ±(0.05%+0.1%FS) ±(0.05%+0.05%FS) ±(0.05%+0.05%FS) Range 30KW Read-back Resolution 0.5W power *2 Accuracy ±(0.2%+0.2%FS) Protection range Overpower 9.45KW ≒30.25KW protection Copyright © Itech Electronic Co., Ltd.

  • Page 102: It8436-600-900

    *4.The load current value is no less than 4% of FS_CCH. *5.The load current value is no less than 10% of FS_CCH. 4.1.6 IT8436-600-900 Model IT8436-600-900 Input voltage 0~600V Rated value Input current 900A ( 0 ~ 40 ℃) Input power 10.8KW 36KW Copyright © Itech Electronic Co., Ltd.
  • Page 103 Range 0~60V 0~600V Read-back Resolution 10mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Range 0~18A 0~90A 0~900A Read-back Resolution 0.6mA 30mA current Accuracy ±(0.05%+0.1%FS) ±(0.05%+0.05%FS) ±(0.05%+0.05%FS) Range 18KW Read-back Resolution 0.6W power *2 Accuracy ±(0.2%+0.2%FS) Protection range Copyright © Itech Electronic Co., Ltd.

  • Page 104: It8442-600-1050

    *4.The load current value is no less than 4% of FS_CCH. *5.The load current value is no less than 10% of FS_CCH. 4.1.7 IT8442-600-1050 Model IT8442-600-1050 Input voltage 0~600V Rated value Input current 105A 1050A ( 0 ~ 40 ℃) Input power 12.6KW 42KW Copyright © Itech Electronic Co., Ltd.
  • Page 105 0~60V 0~600V Read-back Resolution 10mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Range 0~21A 0~105A 0~1050A Read-back Resolution 0.7mA 3.5mA 35mA current Accuracy ±(0.05%+0.1%FS) ±(0.05%+0.05%FS) ±(0.05%+0.05%FS) Range 42KW Read-back Resolution 0.7W power *2 Accuracy ±(0.2%+0.2%FS) Protection range Copyright © Itech Electronic Co., Ltd.

  • Page 106: It8448-600-1200

    *4.The load current value is no less than 4% of FS_CCH. *5.The load current value is no less than 10% of FS_CCH. 4.1.8 IT8448-600-1200 Model IT8448-600-1200 Input voltage 0~600V Rated value Input current 120A 1200A ( 0 ~ 40 ℃) Input power 14.4KW 48KW Copyright © Itech Electronic Co., Ltd.
  • Page 107 Range 0~60V 0~600V Read-back Resolution 10mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Range 0~24A 0~120A 0~1200A Read-back Resolution 0.8mA 40mA current Accuracy ±(0.05%+0.1%FS) ±(0.05%+0.05%FS) ±(0.05%+0.05%FS) Range 48KW Read-back Resolution 0.8W power *2 Accuracy ±(0.2%+0.2%FS) Protection range Copyright © Itech Electronic Co., Ltd.

  • Page 108: It8454-600-1350

    *4.The load current value is no less than 4% of FS_CCH. *5.The load current value is no less than 10% of FS_CCH. 4.1.9 IT8454-600-1350 Model IT8454-600-1350 Input 0~600V Rated value voltage ( 0 ~ 40 ℃) Input current 135A 1350A Copyright © Itech Electronic Co., Ltd.
  • Page 109 *5 Measuring range Range 0~60V 0~600V Read-back Resolution 10mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Range 0~27A 0~135A 0~1350A Read-back Resolution 0.9mA 4.5mA 45mA current ±(0.05%+0.05% Accuracy ±(0.05%+0.1%FS) ±(0.05%+0.05%FS) Range 18KW Read-back power *2 Resolution 0.9W Copyright © Itech Electronic Co., Ltd.
  • Page 110 *2. The scope of read-back resistance is (1/(1/R+(1/R)*0.01%+0.08),1/(1/R-(1/ R)*0.01%-0.08)). *3. The voltage/current input is no less than 10%FS. *4.The load current value is no less than 4% of FS_CCH. *5.The load current value is no less than 10% of FS_CCH. Copyright © Itech Electronic Co., Ltd.

  • Page 111: It8406-1200-75

    Dynamic Ascending/ Mode *4 descending 0.00004~0.05A/uS 0.0002~0.3A/uS 0.002~5A/uS slope Min. rise ≒30uS ≒25uS ≒15uS time *5 Measuring range Range 0~120V 0~1200V Read-back Resolution 10mV 100mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Read-back Range 1.5A 7.5A current Copyright © Itech Electronic Co., Ltd.
  • Page 112 *1. The voltage/current input is no less than 10%FS (FS indicates the full scope). *2. The scope of read-back resistance is (1/(1/R+(1/R)*0.01%+0.08),1/(1/R-(1/ R)*0.01%-0.08)). *3. The voltage/current input is no less than 10%FS. *4.The load current value is no less than 4% of FS_CCH. Copyright © Itech Electronic Co., Ltd.

  • Page 113: It8412-1200-150

    20uS~3600S /Res:1 us/10ms/100ms Accuracy 5uS±100ppm Dynamic Ascending/ Mode *4 descending 0.00008~0.075A/uS 0.0004~0.4A/uS 0.004~7.5A/uS slope Min. rise ≒40uS ≒35uS ≒20uS time *5 Measuring range Range 0~120V 0~1200V Read-back Resolution 10mV 100mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Copyright © Itech Electronic Co., Ltd.
  • Page 114 500VA max *1. The voltage/current input is no less than 10%FS (FS indicates the full scope). *2. The scope of read-back resistance is (1/(1/R+(1/R)*0.01%+0.08),1/(1/R-(1/ R)*0.01%-0.08)). *3. The voltage/current input is no less than 10%FS. Copyright © Itech Electronic Co., Ltd.

  • Page 115: It8418-1200-225

    CC Mode T1＆T2 20uS~3600S /Res:1 us/10ms/100ms Accuracy 5uS±100ppm Dynamic Ascending/ Mode *4 0.00012~0.1125A/ descending 0.0006~0.6A/uS 0.006~11.25A/uS slope Min. rise ≒40uS ≒35uS ≒20uS time *5 Measuring range Range 0~120V 0~1200V Read-back voltage Resolution 10mV 100mV Copyright © Itech Electronic Co., Ltd.
  • Page 116 750VA max *1. The voltage/current input is no less than 10%FS (FS indicates the full scope). *2. The scope of read-back resistance is (1/(1/R+(1/R)*0.01%+0.08),1/(1/R-(1/ R)*0.01%-0.08)). *3. The voltage/current input is no less than 10%FS. Copyright © Itech Electronic Co., Ltd.

  • Page 117: It8424-1200-300

    CC Mode T1＆T2 20uS~3600S /Res:1 us/10ms/100ms Accuracy 5uS±100ppm Dynamic Ascending/ Mode *4 descending 0.00016~0.15A/uS 0.0008~0.85A/uS 0.008~15A/uS slope Min. rise ≒40uS ≒35uS ≒20uS time *5 Measuring range Range 0~120V 0~1200V Read-back voltage Resolution 10mV 100mV Copyright © Itech Electronic Co., Ltd.
  • Page 118 1000VA max *1. The voltage/current input is no less than 10%FS (FS indicates the full scope). *2. The scope of read-back resistance is (1/(1/R+(1/R)*0.01%+0.08),1/(1/R-(1/ R)*0.01%-0.08)). *3. The voltage/current input is no less than 10%FS. Copyright © Itech Electronic Co., Ltd.

  • Page 119: It8430-1200-375

    20uS~3600S /Res:1 us/10ms/100ms Accuracy 5uS±100ppm Dynamic Ascending/ Mode *4 descending 0.0002~0.18A/uS 0.001~1A/uS 0.01~18.75A/uS slope Min. rise ≒40uS ≒35uS ≒20uS time *5 Measuring range Range 0~120V 0~1200V Read-back Resolution 10mV 100mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Copyright © Itech Electronic Co., Ltd.
  • Page 120 *2. The scope of read-back resistance is (1/(1/R+(1/R)*0.01%+0.08),1/(1/R-(1/ R)*0.01%-0.08)). *3. The voltage/current input is no less than 10%FS. *4.The load current value is no less than 4% of FS_CCH. *5.The load current value is no less than 10% of FS_CCH. Copyright © Itech Electronic Co., Ltd.

  • Page 121: It8436-1200-450

    Accuracy 5uS±100ppm Ascending/ Dynamic descending 0.00024~0.225A/uS 0.0012~1.2A/uS 0.012~22.5A/uS Mode *4 slope Min. rise time ≒40uS ≒35uS ≒20uS Measuring range Range 0~120V 0~1200V Read-back Resolution 10mV 100mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Read-back Range 450A current Copyright © Itech Electronic Co., Ltd.
  • Page 122 *1. The voltage/current input is no less than 10%FS (FS indicates the full scope). *2. The scope of read-back resistance is (1/(1/R+(1/R)*0.01%+0.08),1/(1/R-(1/ R)*0.01%-0.08)). *3. The voltage/current input is no less than 10%FS. *4.The load current value is no less than 4% of FS_CCH. Copyright © Itech Electronic Co., Ltd.

  • Page 123: It8442-1200-525

    20uS~3600S /Res:1 us/10ms/100ms Accuracy 5uS±100ppm Dynamic Ascending/ Mode *4 descending 0.00028~0.26A/uS 0.0014~1.5A/uS 0.014~26.25A/uS slope Min. rise ≒40uS ≒35uS ≒20uS time *5 Measuring range Range 0~120V 0~1200V Read-back Resolution 10mV 100mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Copyright © Itech Electronic Co., Ltd.
  • Page 124 *1. The voltage/current input is no less than 10%FS (FS indicates the full scope). *2. The scope of read-back resistance is (1/(1/R+(1/R)*0.01%+0.08),1/(1/R-(1/ R)*0.01%-0.08)). *3. The voltage/current input is no less than 10%FS. *4.The load current value is no less than 4% of FS_CCH. Copyright © Itech Electronic Co., Ltd.

  • Page 125: It8454-1200-675

    20uS~3600S /Res:1 us/10ms/100ms Accuracy 5uS±100ppm Dynamic Ascending/ Mode *4 descending 0.00036~0.33A/uS 0.0018~1.9A/uS 0.018~33.75A/uS slope Min. rise ≒40uS ≒35uS ≒20uS time *5 Measuring range Range 0~120V 0~1200V Read-back Resolution 10mV 100mV voltage Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS) Copyright © Itech Electronic Co., Ltd.
  • Page 126 *2. The scope of read-back resistance is (1/(1/R+(1/R)*0.01%+0.08),1/(1/R-(1/ R)*0.01%-0.08)). *3. The voltage/current input is no less than 10%FS. *4.The load current value is no less than 4% of FS_CCH. *5.The load current value is no less than 10% of FS_CCH. Copyright © Itech Electronic Co., Ltd.

  • Page 127: Additional Features

    Technical Specification 4.2 Additional features Memory capacity: 100 groups. Recommended calibration frequency: 1 time/year. Cooling method: fan. Copyright © Itech Electronic Co., Ltd.

  • Page 128: References Of Load Communication Interfaces

    [Shift] + 8(System). The odd and even items are saved in NVM. Baud rate Through front board [Shift] + 8(System), the user may select one Baud rate saved in NVM: 4800 /9600 /19200 /38400 /57600 /115200 Copyright © Itech Electronic Co., Ltd.
  • Page 129 • The interface cable must be connected to the correct serial port (COM1, COM2, etc.) of the computer. Setting of communication Before communication operation, be sure to match load and PC parameters (as follows). Copyright © Itech Electronic Co., Ltd.

  • Page 130: Usb Interface

    Press Left/Right key to find Communication. Select GPIB and set address. Input address and press [Enter] for confirmation. The load works by setting GPIB address on front board. GPIB address is saved in NVM. Copyright © Itech Electronic Co., Ltd.

  • Page 131: Lan Interface

    IP and TCP/IP communications with the instru- ment. An IP Address consists of 4 decimal numbers separated by periods. Each decimal number ranges from 0 through 255 with no leading zeros (for example, 169.254.2.20). Copyright © Itech Electronic Co., Ltd.

  • Page 132: Using Web Server

    The following figure is just as an example and the Web interface of different models are different. The actual shown page shall be subject to the connected instrument. Copyright © Itech Electronic Co., Ltd.

  • Page 133: Using Sockets

    This page allows you to monitor and control the instrument; • Security: change the password and control access to the Web interface; • Manual: Go to the ITECH official website and view or download the relevant documents. • Logout: logout the Web interface.

  • Page 134: A Appendix

    ♦ Fuse Replacement A.1 Specifications of Red and Black Test Cables ITECH provides you with optional red and black test cables, which are sold indi- vidually and you can select for test. For specifications of ITECH test cables and maximum current values, refer to the table below.

  • Page 135: Fuse Replacement

    The way to replace the fuse changes accordingly. The common ways are as follows. Please choose the corresponding way of disassembly and replace- ment based on the fuse assembly of the actual instrument. Copyright © Itech Electronic Co., Ltd.
  • Page 136 Appendix If there are no fuse assembly on the instrument rear panel, it means that you can’t replace the fuse by yourself. Please contact the ITECH engineer on the condition of the same malfunction. Copyright © Itech Electronic Co., Ltd.
  • Page 137 2. Have a visual inspection of the fuse to see whether it is burnt out; if yes, replace it with another fuse of the same specification. Re- fer to the corresponding technical specifi- cations for fuse rating. Copyright © Itech Electronic Co., Ltd.
  • Page 138 3. Please replace with a fuse of the same specification. Refer to the technical specifi- cation of the corresponding instrument. 4. When install, put into the fuse box firstly. Then Push and turn the fuse box to 90 de- grees clockwise. Copyright © Itech Electronic Co., Ltd.
  • Page 139 Facebook LinkedIn YouTube...

This manual is also suitable for:

It8406-600-150It8406-1200-75It8412-600-300It8412-1200-150It8418-600-450It8418-1200-225 ... Show all

Table of Contents