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ITech IT2703 Series User Manual

Multi-channel modular power system
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Multi-channel Modular
Power System
IT2703 Series User Manual
Model: IT2703
Version: V1.0/06,2024

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Summary of Contents for ITech IT2703 Series

  • Page 1 Multi-channel Modular Power System IT2703 Series User Manual Model: IT2703 Version: V1.0/06,2024...
  • Page 2 Notices Warranty Safety Notices © Itech Electronic, Co., Ltd. 2024 The materials contained in this No part of this manual may be document are provided “as is”, and reproduced in any form or by any is subject to change, without prior means ( including electronic storage notice, in future editions.

  • Page 3: Quality Certification And Assurance

    Warranty ITECH warrants that the product will be free from defects in material and workmanship 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 Precautions

    Failure to comply with these precautions or specific warnings elsewhere in this manual will constitute a default under safety standards of design, manufacture and intended use of the instrument. ITECH assumes no liability for the customer’s failure to comply with these precautions.

  • Page 5: Environmental Conditions

    ( if any) affixed refers to the year when the design was approved. The instrument complies with the WEEE Directive 2002/96/EC) marking requirement. This affix product label indicates that you must not discard the electrical/electronic product in domestic household waste. Copyright ©ITECH Electronic Co., Ltd.

  • Page 6: Waste Electrical And Electronic Equipment ( Weee) Directive

    With reference to the equipment classifications described in the Annex 1 of the WEEE Directive, this instrument is classified as a “Monitoring and Control Instrument”. To return this unwanted instrument, contact your nearest ITECH office. Copyright ©ITECH Electronic Co., Ltd.

  • Page 7: Compliance Information

    2. Connection of the instrument to a test object may produce radiations beyond the specified limit. 3. Use high-performance shielded interface cable to ensure conformity with the EMC standards listed above. Safety Standard IEC 61010-1:2010/ EN 61010-1:2010 Copyright ©ITECH Electronic Co., Ltd.

  • Page 8: Table Of Contents

    4.4.2 Set Over-Current Protection (OCP) ......................40 4.4.3 Set Over-Power Protection (OPP) ........................ 40 4.4.4 Set Under-Current Protection (UCP) ......................41 （ ） 4.4.5 Set Under-Voltage Protection ....................... 41 4.4.6 Over-Temperature Protection (OTP) ......................42 Copyright ©ITECH Electronic Co., Ltd.
  • Page 9 Technical Specifications ........................ 79 8.1 Supplemental characteristics ..........................79 8.2 Main technical parameters ..........................79 IT2703 Main frame specifications ........................79 IT27134R ................................80 IT27135R ................................81 IT27137R ................................83 IT27154R ................................85 IT27155R ................................87 Copyright ©ITECH Electronic Co., Ltd.
  • Page 10 IT27355R ................................99 IT27357R ................................101 IT27534R ................................103 IT27535R ................................104 IT27537R ................................105 IT27554R ................................107 IT27555R ................................109 IT27557R ................................111 Appendix ................................113 Specifications of Red and Black Test Lines ......................113 Copyright ©ITECH Electronic Co., Ltd.

  • Page 11: Chapter1 Quick Reference

    Quick Reference Chapter1 Quick Reference This chapter introduces the front and rear panels of the IT2703 series multi- channel power system to ensure that you can quickly understand the appearance, structure, and wiring of the power system and other usage functions before operating the power system, which will help you to better use this series of instruments.

  • Page 12: Front Panel Introduction

    IT27137R IT27337R IT27537R 500W IT27157R IT27357R IT27557R 1.2 Front Panel Introduction The front panel of the IT2703 series instrument is shown below. Name Description Power Switch Turns the instrument On or Off. Vent hole Fan Cooling Vents On/Off Turn the power supply output on or off. When lit, USB interface indicates that the output is enabled or on.

  • Page 13: Rear Panel Introduction

    The left and right navigation keys are used to adjust Navigation keys the cursor to the specified position or scrolls pages to view menu items. 1.3 Rear Panel Introduction The rear panel of the IT2703 series is shown below. Name Description USB interface USB communication interface.
  • Page 14 Clicking the button opens the channel control panel, which allows you to trigger, clear protection, lock the screen, and control the channel outputs. channel number Voltage, Current, Power Instrument Output Status Channel 2 display area Channel 3 display area Copyright ©ITECH Electronic Co., Ltd.

  • Page 15: View Instrument Identification

    Press the Menu key and then press the Info key. The instrument information window will appear. The serial numbers of the power modules are located on their respective top covers. Press Meter View to return to the meter view. Copyright ©ITECH Electronic Co., Ltd.

  • Page 16: Chapter2 Inspection And Installation

    ⚫ It is not advisable to push down the slope to prevent the cabinet from falling down due to the shift of the center of gravity. It is rec- ommended Copyright ©ITECH Electronic Co., Ltd.

  • Page 17: Verifying The Shipment

    ⚫ 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 18: Instrument Size Introduction

    2.3 Instrument Size Introduction The instrument should be installed at well-ventilated and rational-sized space. Please select appropriate space for installation based on the power supply size. IT2703 Copyright ©ITECH Electronic Co., Ltd.

  • Page 19: Installing The Instrument

    The screws used for removing the top cover and mounting the module are M3 type screws, so please prepare the corresponding Phillips screwdriver in advance. Installation Step 1. Remove the top cover. Loosen the screws in the locations shown below to remove the top cover. Copyright ©ITECH Electronic Co., Ltd.
  • Page 20 Inspection and Installation 2. Remove the plastic plugs from the terminals corresponding to the module. 3. Place the power modules into the corresponding slot. (take the 500W Copyright ©ITECH Electronic Co., Ltd.
  • Page 21 5. Connecting the module wire harness. The location of the power modules wire harness connection inside the mainframe determines their front panel output and programming channel assignments. For example, modules installed in channel 1 will be connected to Copyright ©ITECH Electronic Co., Ltd.

  • Page 22: Rack Mounting

    6. Finish the installation. Install the top cover, as shown as below. 2.4.2 Rack Mounting Power System can be mounted on a standard 19” rack. ITECH provides user with IT-E157C/IT-E157D mounting rack, as an optional mount kit. ⚫...
  • Page 23 The dimensions of the instrument after installation are shown below. ⚫ IT-E157D: Select this kit when the instrument is mounted on another cabinet, this kit can be adjusted to the depth according to the cabinet. Copyright ©ITECH Electronic Co., Ltd.

  • Page 24: Connecting The Power Cord

    The standard power cord types are as follows. Please select appropriate power cords appropriate to local voltage based on the specifications of power cords below. If purchased model fails to meet local voltage requirements, please contact distributor or factory for change. Copyright ©ITECH Electronic Co., Ltd.

  • Page 25: Connecting Test Lines ( Optional)

    ⚫ 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 26 The connection diagram and steps of remote measurement are as follows: Copyright ©ITECH Electronic Co., Ltd.

  • Page 27: Remote Control

    USB, LAN and CAN, you can choose one of them to communicate with your computer. 2.7.1 USB Interface Use cables with both USB ends to connect with IT7800 and PC. All functions are programmable over the USB. The USB488 interface capabilities are described below: Copyright ©ITECH Electronic Co., Ltd.

  • Page 28: Lan Interface

    The initial IP address is 192.168.200.100. If the IP address has been changed before, you can reset it by pressing the LAN-Reset button on the rear panel. The opened page is displayed as follows: Copyright ©ITECH Electronic Co., Ltd.

  • Page 29: Can Interface

    Web Control Manual. ⚫ LAN Configuration: Reconfigure the LAN parameters; ⚫ Manual: Go to the ITECH official website and view or download the relevant documents. ⚫ Upload: Performs a system upgrade. Click CONNECT to connect the PC with the instrument, then click Select File to select the system upgrade installation package (for example, IT2700-U-V000.001.029all.itech), and then click UPLOAD performs the...

  • Page 30: Can Troubleshooting

    If the communication signal is poor or unstable, it is recommended to con- nect a 120 Ω terminating resistance. – The connection diagram of a single device is as below. – The connection diagram of multiple devices is as below. Copyright ©ITECH Electronic Co., Ltd.

  • Page 31: Chapter3 Getting Start

    The disconnect device must be close to the equipment, be easily accessible, and be marked as the disconnect device for this equipment. Copyright ©ITECH Electronic Co., Ltd.

  • Page 32: Main Interface Overview

    POWER switch back on. 3.2 Main interface overview The IT2703 series power analyzers are touch screen, users can select and set parameters by hand touch. This instrument can be inserted into different modules, up to 6 channels, different channels display different number of channels, the instrument presents different interfaces, please refer to the specific module shall prevail.

  • Page 33: Menu Interface

    In configuration menu, you can set the current output parameters, operation mode, slope, power supply internal resistance value, etc. Different modules have different functions and set different parameters, subject to the actual situation. Protect Setting instrument protection-related parameters, Copyright ©ITECH Electronic Co., Ltd.

  • Page 34: Introduction To Interface Symbols

    LIST is running LIST is finished LIST function is waiting Sweep function is for trigger waiting for trigger ARB function is waiting Sweep running indicator for trigger ARB is finished ARB is running Copyright ©ITECH Electronic Co., Ltd.

  • Page 35: Set Parameters

    After entering the menu interface, the knob can also be used to scroll pages to view menu items. 3.5 Push-on Knob The IT7900P series Power Supply provides a knob on the front panel as shown in the next figure. The functions of the posh-on knob is described as follows. Copyright ©ITECH Electronic Co., Ltd.

  • Page 36: Select Menu Item

    The VFD displays the meter value such as voltage, current, power and so on. If the [On/Off] key light is off, indicates that the output is turned off. The VFD displays that the power supply state is OFF. Copyright ©ITECH Electronic Co., Ltd.

  • Page 37: Chapter4 Power Supply Function

    Power Supply Function Chapter4 Power Supply Function IT2703 series multi-channel modular power system can realize different functions by installing different modules, the multi-channel module can be a power module or a load module, this chapter introduces the functions that can be realized by matching the power module.
  • Page 38 Tracking, checked to synchronize Tracking limits the setting of the upper and lower limit values. Sets the power limit value. Power Setting +P limit Positive power upper limit value. -P limit Negative power upper limit value. Copyright ©ITECH Electronic Co., Ltd.

  • Page 39: Rise/Fall Slope Setting

    4.3.3 Set the Internal Resistance The IT2700 series power supply provides internal resistance setting (CV priority mode only). The procedures are shown as below. 1. Click the Config icon in the Menu interface to enter the configuration interface. Copyright ©ITECH Electronic Co., Ltd.

  • Page 40: Cr Function In Sink Mode (Only Bidirectional Dc Source)

    The descriptions of Protect menu are listed in the table below. Over Voltage OVP State OVP status Voltage OVP protection level Delay Protection delay, range: 0.001s-10s Over Current OCP State OCP status ±Current OCP protection level Copyright ©ITECH Electronic Co., Ltd.

  • Page 41: Set Over-Voltage Protection (Ovp)

    The external (AC input) inputs a higher voltage. ⚫ The power supply outputs a high voltage due to a fault. Please avoid inputting a external voltage higher than 120% rated value, or the instrument will be damaged. Copyright ©ITECH Electronic Co., Ltd.

  • Page 42: Set Over-Current Protection (Ocp)

    The operation steps to set OPP are as follows. Press the [Protect] on the menu interface to enter the protection menu. Use the knob or direct touch-click to select OPP (Off), press the on/off box and set it to On. Copyright ©ITECH Electronic Co., Ltd.

  • Page 43: Set Under-Current Protection (Ucp)

    The operation steps to set UCP are as follows. Press the [Protect] on the menu interface to enter the protection menu. Use the knob or direct touch-click to select UVP (Off), press the on/off box and set it to On. Copyright ©ITECH Electronic Co., Ltd.

  • Page 44: Over-Temperature Protection (Otp)

    When you return power to the instrument, verify that the cooling fan is running. If not, please contact ITECH Technical Support. Leaving the instrument powered on with an inoperative cooling fan may result in damage to the instrument.

  • Page 45: Chapter5 Load Function

    5.1 Load Input Mode The operating modes of the IT2703 series instruments in load mode include the following: Constant Mode ⚫...
  • Page 46 CC mode for sinking. The CC+CV mode can be applied to the load simulation battery and test the charging station or the car charger. When the CV is working, the maximum loading current is limited. Copyright ©ITECH Electronic Co., Ltd.
  • Page 47 Load will sink in CV mode according to the programmed voltage. When the voltage rises to exceed the set constant power for sinking, it will switch to CP mode for sinking. The CP+CV mode is often used to UPS battery test, simulate the current change Copyright ©ITECH Electronic Co., Ltd.
  • Page 48 Under this mode, the load can automatically switch among CV, CR, CC and CP modes. It is suitable for lithium ion battery charger testing to get a complete V-I charging curve. Moreover, the auto mode can avoid damaging the UUT when the protection circuit is damaged. Copyright ©ITECH Electronic Co., Ltd.

  • Page 49: Set The Load Input Parameters

    In CC priority mode, you can set the output current as well as the upper and lower limit range of the voltage, VH represents the upper voltage limit and VL represents the lower voltage limit. In the current setting area, use the virtual Copyright ©ITECH Electronic Co., Ltd.

  • Page 50: Config Menu

    CR) Tracking Slew Rising and Falling Slope Tracking, checked to synchronize the setting of the rising and falling slope values. Under Voltage Inhibit When the undervoltage inhibit function is enabled, the load Copyright ©ITECH Electronic Co., Ltd.

  • Page 51: Rise/Fall Slope Setting

    When Latching is selected, it indicates the sink current state is latched, When the input voltage is below the Voltage On setting, the load still sink current. ⚫ If this function is not enabled, then you can select Off to turn off the under Copyright ©ITECH Electronic Co., Ltd.

  • Page 52: Short-Circuit Analog Function

    OCP state and output is disabled. Possible Cause Many reasons can cause OCP, the details are as follows: ⚫ The set protection limit Level is lower than the current Meter value. The external (AC input) inputs a higher current. ⚫ Copyright ©ITECH Electronic Co., Ltd.

  • Page 53: Set Over-Power Protection (Opp)

    Press the [Protect] on the menu interface to enter the protection menu. Use the knob or direct touch-click to select OPP (Off), press the on/off box and set it to On. Set the power protection point and delay time and confirm by pressing [Enter]. Copyright ©ITECH Electronic Co., Ltd.

  • Page 54: Chapter6 Generating Arbitrary Waveforms

    IT2700 series instruments. 6.1 LIST The IT2703 series instrument supports the function of editing LIST sequences with multiple output points. You can set up to 2000 steps per file. You can edit the voltage/current value, slope and duration of each step.

  • Page 55: Generating Arbitrary Waveforms (Arb)

    6.2 Generating Arbitrary Waveforms (Arb) Each output on the power system can be modulated by the built-in arbitrary waveform generator function. This allows the output to act as a DC bias transient generator or an arbitrary waveform generator. Copyright ©ITECH Electronic Co., Ltd.

  • Page 56: Run The Arb Waveform

    Arb waveform type: Sine, Step, Pulse, Ramp, Trapezoid, Staircase, Exponential, Userdefined。 6.2.3 Configuring Sine Arbs Press the [Function] icon on the menu to enter the advanced function selection interface, and click the Arb function icon to enter the arbitrary Copyright ©ITECH Electronic Co., Ltd.

  • Page 57: Parameter Description

    Press the [Function] icon on the menu to enter the advanced function selection interface, and click the Arb function icon to enter the arbitrary waveform configuration interface. Select the Priority attribute. Click the button corresponding to Type, select Arb type in the pop-up box to Step. Copyright ©ITECH Electronic Co., Ltd.

  • Page 58: Configuring Pulse Arbs

    Press the [Function] icon on the menu to enter the advanced function selection interface, and click the Arb function icon to enter the arbitrary waveform configuration interface. Select the Priority attribute. Click the button corresponding to Type, select Arb type in the pop-up box to Pulse. Copyright ©ITECH Electronic Co., Ltd.

  • Page 59: Configuring Ramp Arbs

    Press the [Function] icon on the menu to enter the advanced function selection interface, and click the Arb function icon to enter the arbitrary waveform configuration interface. Select the Priority attribute. Click the button corresponding to Type, select Arb type in the pop-up box to Ramp. Copyright ©ITECH Electronic Co., Ltd.

  • Page 60: Configuring Trapezoid Arbs

    Press the [Function] icon on the menu to enter the advanced function selection interface, and click the Arb function icon to enter the arbitrary waveform configuration interface. Select the Priority attribute. Click the button corresponding to Type, select Arb type in the pop-up box to Trapezoid. Copyright ©ITECH Electronic Co., Ltd.

  • Page 61: Configuring Staircase Arbs

    Arb function icon to enter the arbitrary waveform configuration interface. Select the Priority attribute. Click the button corresponding to Type, select Arb type in the pop-up box to Staircase. Configure the Staircase Properties. Copyright ©ITECH Electronic Co., Ltd.

  • Page 62: Configuring Exponential Arbs

    Arb function icon to enter the arbitrary waveform configuration interface. Select the Priority attribute. Click the button corresponding to Type, select Arb type in the pop-up box to Exponential. Configure the Exponential Properties. Copyright ©ITECH Electronic Co., Ltd.

  • Page 63: Configuring User-Defined Arbs

    Arb function icon to enter the arbitrary waveform configuration interface. Select the Priority attribute. Click the button corresponding to Type, select Arb type in the pop-up box to User defined. Import customized waveforms from USB storage devices. Copyright ©ITECH Electronic Co., Ltd.

  • Page 64: Button Description

    New to create a new Sequence file in the prompt box. Users can also choose to open a sequence file, edit a sequence file or delete a sequence file. Copyright ©ITECH Electronic Co., Ltd.

  • Page 65: Configuring Constant-Dwell Arbs

    Click on the Edit icon in the main interface and enter to the CDARB edit interface. This screen sets the voltage and current attributes, the number of repetitions, the running status at the end, and the residence time maintained by a single step. Parameter Description Copyright ©ITECH Electronic Co., Ltd.

  • Page 66: Sine Sweep Waveform

    Complete the setting of voltage and frequency related parameter values. Parameter Description Priority Select the voltage or current attribute of the list, when different output attributes are selected, the waveform definition parameters are different. Copyright ©ITECH Electronic Co., Ltd.

  • Page 67: Battery Simulation Function

    Users can also choose to open a battery file, edit a file or delete a file. Enter the battery simulation file configuration screen as shown below. Parameter Description +Current Positive current limit value Copyright ©ITECH Electronic Co., Ltd.

  • Page 68: Battery Charging Test Function

    Precautions Please confirm that you have understood the general safety precautions before connection. Please pay special attention to the following safety precautions when connecting the battery. Copyright ©ITECH Electronic Co., Ltd.
  • Page 69 Set the voltage value for charging Charge Current Set the current value for charging Cut Off Condition Battery charge test cut off condition Voltage: Charging ends when the voltage is greater than or equal to this setting. Copyright ©ITECH Electronic Co., Ltd.

  • Page 70: Battery Discharging Test Function

    Hazardous voltages may still be present on the positive and negative electrodes after the unit is turned off; never touch the cables or electrodes immediately. Make sure that no dangerous voltage is present on the electrodes or sense terminals before they are touched. Copyright ©ITECH Electronic Co., Ltd.
  • Page 71 Energy: Charging ends when the energy is greater than or equal to this setting. Open Open or select a battery charge test file. Create a battery charge test file. Save Save the battery charge test file. Copyright ©ITECH Electronic Co., Ltd.
  • Page 72 Press [Save] save the file. Return and press the [On/Off] key at the front panel to turn on the power output. Click the [Run] key to start running the waveform. The interface shows the running status. Copyright ©ITECH Electronic Co., Ltd.

  • Page 73: Chapter7 System-Related Functions

    Press Reset in Factory default settings. System Reboot This option is used to reboot the system. 7.2 Setting Instrument General Function Enter Menu -> Preference to set the general parameters related to the instrument display. Copyright ©ITECH Electronic Co., Ltd.

  • Page 74: Screen Lock Function

    Switching from local to remote operation mode can be controlled by PC. The Copyright ©ITECH Electronic Co., Ltd.

  • Page 75: Timing Output Function

    7.6 Channel Synchronized Output Function Output synchronization can be selected between multiple channels of the IT2703 series. The user checks the box in front of the channel, 1-6 channels can be selected to be fully synchronized or partially synchronized. When synchronization mode is selected to Auto, the instrument adjusts the delay time between the channels by itself to realize synchronization On or synchronization Off.

  • Page 76: Remote Measurement Function

    Saving the parameters The save parameter operates as follows: 1. Enter to Menu->Save interface. 2. Select the save data location. 3. Press [Enter]. When saving is completed, the interface will display the saved detailed parameters. Copyright ©ITECH Electronic Co., Ltd.

  • Page 77: Screen Capture Function

    Change the system administration password. 7.13 Digital I/O Function This series power system supports digital I/O function. The user can realize logic control over high and low level input or output by related configurations in the system menu. Copyright ©ITECH Electronic Co., Ltd.
  • Page 78 IT2703, the output signal is the level signal provided externally by IT2703, and the pulse signal is the edge signal switched between high and low levels. Typical: 5V Range: 1.6V-15V Input signal High level signal Current: ≤100mA Copyright ©ITECH Electronic Co., Ltd.
  • Page 79 Digital IO-2 IO-2 pin can be set to 【PS】, 【Digital-In】 , 【Digital-Out】, 【Trig-In】 , 【Trig- Out】 The default function is protection state indicator. IO-2 pin will output high or low Copyright ©ITECH Electronic Co., Ltd.
  • Page 80 Digital IO-6 IO-6 pin can be set to 【On-Couple】 ， 【Digital-In】 ， 【Digital-Out】 ， 【Trig-In】 ， 【Trig-Out】 Digital IO-7 IO-7 pin can be set to 【Off-Couple】 ， 【Digital-In】 ， 【Digital-Out】 ， 【Trig-In】 ， 【Trig-Out】 Copyright ©ITECH Electronic Co., Ltd.

  • Page 81: Chapter8 Technical Specifications

    Besides, this part will introduce the working environment and storage temperature. NOTE All the above parameters are subject to change without prior notice from ITECH. 8.1 Supplemental characteristics Recommended calibration frequency: once a year Cooling style: fans 8.2 Main technical parameters...

  • Page 82: It27134R

    Voltage ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Power ≤0.1% + 0.2%FS Vpeak ≤30mVpp （ ） Voltage ripple Vrms ≤5mV Voltage ≤20ppm/℃ Setup Temperature Coefficient Current ≤30ppm/℃ Read Back Temperature Voltage ≤20ppm/℃ Copyright ©ITECH Electronic Co., Ltd.

  • Page 83: It27135R

    （2）10% rated current to 90% rated current （3）Under sense mode （4）Voltage rise time from 10% to 90% of rated voltage and voltage fall time from 90% to 10% of rated voltage IT27135R Model IT27135R DC power supply Copyright ©ITECH Electronic Co., Ltd.
  • Page 84 ≤20ppm/℃ Read Back Temperature Coefficient Current ≤30ppm/℃ Rise Time( no load ) Voltage ≤10ms Rise Time( full load ) Voltage ≤20ms Fall Time( no load ) Voltage ≤0.5s Fall Time( full load ) Voltage ≤50ms Copyright ©ITECH Electronic Co., Ltd.

  • Page 85: It27137R

    （4）Voltage rise time from 10% to 90% of rated voltage and voltage fall time from 90% to 10% of rated voltage IT27137R Model IT27137R DC power supply Voltage 0～150V Current 0～5A Rated value Power 0～200W Series internal resistance 0～1Ω (CV Priority) Setup Resolution Voltage 0.01V Copyright ©ITECH Electronic Co., Ltd.
  • Page 86 Fall Time( no load ) Voltage ≤0.5s Fall Time( full load ) Voltage ≤50ms Transient Response Voltage ≤1ms （ ） Time Voltage ≤0.005% + 0.005%FS Line Regulation Current ≤0.015% + 0.015%FS Load Regulation Voltage （ ） ≤0.005% + 0.005%FS Copyright ©ITECH Electronic Co., Ltd.

  • Page 87: It27154R

    Current 0～30A Rated value Power 0～500W Series internal resistance 0～1Ω (CV Priority) Voltage 0.001V Current 0.001A Setup Resolution Power 0.01W Series internal resistance 0.0001Ω (CV Priority) Voltage 0.0001V Read Back Resolution Current 0.0001A Power 0.01W Copyright ©ITECH Electronic Co., Ltd.
  • Page 88 ≤0.005% + 0.005%FS Line Regulation Current ≤0.015% + 0.015%FS Voltage （ ） ≤0.005% + 0.005%FS Load Regulation Current ≤0.015% + 0.015%FS 30.6A Output protection 30.6V 510W Remote Sense Compensation ≤3V Voltage Isolation DC to GND 800Vdc Copyright ©ITECH Electronic Co., Ltd.

  • Page 89: It27155R

    Current 0.0001A Power 0.01W Voltage ≤0.02% + 0.02%FS Current ≤0.05% + 0.05%FS Setup Accuracy Power ≤0.1% + 0.2%FS Series internal resistance ≤1%FS (CV Priority) Voltage ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Copyright ©ITECH Electronic Co., Ltd.
  • Page 90 Current ≤0.015% + 0.015%FS 20.4A Output protection 61.2V 510W Remote Sense Compensation ≤6V Voltage Isolation DC to GND 800Vdc Working Temperature 0～40℃ Storage Temperature -10℃～70℃ IP20 Cooling Dimension ( mm) 320mm*100mm*40mm Weight( net) 1.0kg Note： Copyright ©ITECH Electronic Co., Ltd.
  • Page 91 Voltage ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Power ≤0.1% + 0.2%FS Vpeak ≤150mVpp Voltage ripple （ ） Vrms ≤30mV Voltage ≤20ppm/℃ Setup Temperature Coefficient Current ≤30ppm/℃ Read Back Temperature Voltage ≤20ppm/℃ Copyright ©ITECH Electronic Co., Ltd.
  • Page 92 （3）Under sense mode （4）Voltage rise time from 10% to 90% of rated voltage and voltage fall time from 90% to 10% of rated voltage IT27334R Model IT27334R Bidirectional DC power supply Rated value Voltage 0～30V Copyright ©ITECH Electronic Co., Ltd.
  • Page 93 ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Power ≤0.1% + 0.2%FS Vpeak ≤30mVpp Voltage ripple （ ） Vrms ≤5mV Voltage ≤20ppm/℃ Setup Temperature Coefficient Current ≤30ppm/℃ Voltage ≤20ppm/℃ Read Back Temperature Coefficient Current ≤30ppm/℃ Copyright ©ITECH Electronic Co., Ltd.
  • Page 94 （3）10% rated current to 90% rated current （4）Under sense mode （5）Voltage rise time from 10% to 90% of rated voltage and voltage fall time from 90% to 10% of rated voltage IT27335R Model IT27335R Bidirectional DC power supply Copyright ©ITECH Electronic Co., Ltd.
  • Page 95 ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Power ≤0.1% + 0.2%FS Vpeak ≤60mVpp Voltage ripple （ ） Vrms ≤10mV Voltage ≤20ppm/℃ Setup Temperature Coefficient Current ≤30ppm/℃ Read Back Temperature Voltage ≤20ppm/℃ Coefficient Copyright ©ITECH Electronic Co., Ltd.
  • Page 96 （2）Ripple peak and RMS doubled for voltages 0.5V and below （3）10% rated current to 90% rated current （4）Under sense mode （5）Voltage rise time from 10% to 90% of rated voltage and voltage fall time from 90% to 10% of rated voltage Copyright ©ITECH Electronic Co., Ltd.
  • Page 97 (Vin/Rset)*0.5%+0.5%FS （ ） (CC Priority) Voltage ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Power ≤0.1% + 0.2%FS Vpeak ≤150mVpp Voltage ripple （ ） Vrms ≤30mV Voltage ≤20ppm/℃ Setup Temperature Coefficient Current ≤30ppm/℃ Copyright ©ITECH Electronic Co., Ltd.
  • Page 98 （2）Ripple peak and RMS doubled for voltages 0.5V and below （3）10% rated current to 90% rated current （4）Under sense mode （5）Voltage rise time from 10% to 90% of rated voltage and voltage fall time from 90% to 10% of rated voltage Copyright ©ITECH Electronic Co., Ltd.
  • Page 99 (Vin/Rset)*0.5%+0.5%FS （ ） (CC Priority) Voltage ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Power ≤0.1% + 0.2%FS Vpeak ≤30mVpp Voltage ripple （ ） Vrms ≤5mV Voltage ≤20ppm/℃ Setup Temperature Coefficient Current ≤30ppm/℃ Copyright ©ITECH Electronic Co., Ltd.
  • Page 100 （2）Ripple peak and RMS doubled for voltages 0.5V and below （3）10% rated current to 90% rated current （4）Under sense mode （5）Voltage rise time from 10% to 90% of rated voltage and voltage fall time from 90% to 10% of rated voltage Copyright ©ITECH Electronic Co., Ltd.
  • Page 101 (Vin/Rset)*0.5%+0.5%FS （ ） (CC Priority) Voltage ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Power ≤0.1% + 0.2%FS Vpeak ≤60mVpp Voltage ripple （ ） Vrms ≤10mV Voltage ≤20ppm/℃ Setup Temperature Coefficient Current ≤30ppm/℃ Copyright ©ITECH Electronic Co., Ltd.
  • Page 102 （2）Ripple peak and RMS doubled for voltages 0.5V and below （3）10% rated current to 90% rated current （4）Under sense mode （5）Voltage rise time from 10% to 90% of rated voltage and voltage fall time from 90% to 10% of rated voltage Copyright ©ITECH Electronic Co., Ltd.
  • Page 103 (Vin/Rset)*0.5%+0.5%FS （ ） (CC Priority) Voltage ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Power ≤0.1% + 0.2%FS Vpeak ≤150mVpp Voltage ripple （ ） Vrms ≤30mV Voltage ≤20ppm/℃ Setup Temperature Coefficient Current ≤30ppm/℃ Copyright ©ITECH Electronic Co., Ltd.
  • Page 104 （2）Ripple peak and RMS doubled for voltages 0.5V and below （3）10% rated current to 90% rated current （4）Under sense mode （5）Voltage rise time from 10% to 90% of rated voltage and voltage fall time from 90% to 10% of rated voltage Copyright ©ITECH Electronic Co., Ltd.
  • Page 105 Rising slope 15A/ms Current Slope Falling slope 15A/ms Voltage ≤0.005% + 0.005%FS Line Regulation Current ≤0.015% + 0.015%FS （ ） Voltage ≤0.005% + 0.005%FS Load Regulation Current ≤0.015% + 0.015%FS Current 15.75A 15.3A Input protection 30.6V Copyright ©ITECH Electronic Co., Ltd.
  • Page 106 0.01Ω Voltage 0.0001V Read Back Current 0.0001A Resolution Power 0.01W Voltage ≤0.02% + 0.02%FS Current ≤0.05% + 0.05%FS Setup Accuracy Power ≤0.1% + 0.2%FS （ ） Resistance (Vin/Rset)*0.5%+0.5%FS Read Back Accuracy Voltage ≤0.02% + 0.02%FS Copyright ©ITECH Electronic Co., Ltd.
  • Page 107 Dimension ( mm) 320mm*50mm*40mm Weight( net) 0.6kg Note： （1）The voltage/current input is not less than 10%FS. （2）Under sense mode IT27537R Model IT27537R Programmable DC Load Voltage 0.150V～150V Current 0～5A Rated value Power 0～200W Resistance 0.3Ω～3000Ω Copyright ©ITECH Electronic Co., Ltd.
  • Page 108 Rising slope 5A/ms Current Slope Falling slope 5A/ms Voltage ≤0.005% + 0.005%FS Line Regulation Current ≤0.015% + 0.015%FS （ ） Voltage ≤0.005% + 0.005%FS Load Regulation Current ≤0.015% + 0.015%FS Current 5.25A Input protection 5.1A Copyright ©ITECH Electronic Co., Ltd.
  • Page 109 IT27554R Programmable DC Load Voltage 0.03V～30V Current 0～30A Power 0～500W Rated value Resistance 0.01Ω～100Ω Min. operating 0.3V at 30A voltage Input leakage 0.001A current Voltage 0.001V Current 0.001A Setup Resolution Power 0.01W Resistance 0.01Ω Read Back Voltage 0.0001V Copyright ©ITECH Electronic Co., Ltd.
  • Page 110 ≤0.005% + 0.005%FS Load Regulation Current ≤0.015% + 0.015%FS Current 31.5A 30.6A Input protection 30.6V 510W Input OVP 31.5V Remote Sense Compensation ≤3V Voltage Isolation DC to GND 800Vdc Working Temperature 0～40℃ Storage Temperature -10℃～70℃ Copyright ©ITECH Electronic Co., Ltd.
  • Page 111 Power 0.01W Voltage ≤0.02% + 0.02%FS Current ≤0.05% + 0.05%FS Setup Accuracy Power ≤0.1% + 0.2%FS （ ） Resistance (Vin/Rset)*0.5%+0.5%FS Voltage ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Power ≤0.1% + 0.2%FS Copyright ©ITECH Electronic Co., Ltd.
  • Page 112 Compensation ≤6V Voltage Isolation DC to GND 800Vdc Working Temperature 0～40℃ Storage Temperature -10℃～70℃ IP20 Cooling Dimension ( mm) 320mm*100mm*40mm Weight( net) 1.0kg Note： （1）The voltage/current input is not less than 10%FS. （2）Under sense mode Copyright ©ITECH Electronic Co., Ltd.
  • Page 113 ≤0.02% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.05%FS Power ≤0.1% + 0.2%FS Voltage ≤20ppm/℃ Setup Temperature Coefficient Current ≤30ppm/℃ Voltage ≤20ppm/℃ Read Back Temperature Coefficient Current ≤30ppm/℃ Rising slope 10A/ms Current Slope Falling slope 10A/ms Copyright ©ITECH Electronic Co., Ltd.
  • Page 114 Compensation ≤15V Voltage Isolation DC to GND 800Vdc Working Temperature 0～40℃ Storage Temperature -10℃～70℃ IP20 Cooling Dimension ( mm) 320mm*100mm*40mm Weight( net) 1.0kg Note： （1）The voltage/current input is not less than 10%FS. （2）Under sense mode Copyright ©ITECH Electronic Co., Ltd.

  • Page 115: Specifications Of Red And Black Test Lines

    Appendix Specifications of Red and Black Test Lines ITECH provides you with optional red and black test lines, the user can choose the company's test line for testing. For specifications of ITECH test lines and maximum current values, refer to the table below.

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