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ITech IT2700 Series Control Manual

Multi-channel modular power system
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Multi-channel Modular
Power System
IT2700 Web Control Manual
Model: IT2700
Version: V1.0/07,2024

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Summary of Contents for ITech IT2700 Series

  • Page 1 Multi-channel Modular Power System IT2700 Web Control Manual Model: IT2700 Version: V1.0/07,2024...
  • 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

    IT2700 用户手册 Quality Certification and Assurance We certify that IT2700 series power supply meets all the published specifications at time of shipment from the factory. 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

    3.8.6 Over Temperature Protection (OTP) ......................38 3.9 Timing Output Function ............................. 39 3.10 Channel Synchronized Output Function ......................39 3.11 Parallel of Channels in the Main Frame ......................40 3.12 Remote Measurement Function ........................41 Copyright ©ITECH Electronic Co., Ltd.
  • Page 9 6.6 Save and Recall Operations ..........................77 6.7 Screen Capture Function ............................ 77 6.8 Query the System Log ............................78 6.9 Query the System Information ........................... 78 6.10 System Management Functions ........................78 6.11 Digital I/O Function ............................78 Copyright ©ITECH Electronic Co., Ltd.

  • Page 10: Chapter1 Web Control Introduction

    PC computer control, there are two ways of computer control, the PV2700 software or use a browser to log on to the Web server control. The IT2700 series instruments come with a built-in web server that you can control directly from your computer's Internet browser. A maximum of two simultaneous connections are allowed.
  • Page 11 Web Control: Enables the Web control to begin controlling the instrument. This page allows you to monitor and control the instrument; ⚫ LAN Configuration: Reconfigure the LAN parameters; Manual: Go to the ITECH official website and view or download the relevant ⚫ documents. ⚫...

  • Page 12: Chapter2 Getting Start

    Scope View, or Data Logger. Numeric/ Used to set parameters and move menu, cursor, direction keys and other directional buttons. Function keys This area of the keypad is used to set the corresponding parameters selection functions for each channel. Copyright ©ITECH Electronic Co., Ltd.

  • Page 13: Keyboard Introduction

    Turn on or off the outputs of all channels F1~F3 Hotkey for user defined Function Access to the Advanced Functions menu interface 2.2.2 Push-on Knob The IT2700 series Power system provides several knobs on the front panel as Copyright ©ITECH Electronic Co., Ltd.

  • Page 14: Composite Key

    [shift] and the shift key will be lighted, and then press the function key, the detailed functions are listed as follows. Name Description Number key. Enter the number directly [0]-[9] Positive and negative signs +/– Decimal point [Shift]+[1](System) Enter the System setting menu. Used to set the Copyright ©ITECH Electronic Co., Ltd.

  • Page 15: Oscilloscope Adjustment Keys

    Run/Stop Start or stop data sampling. Single Sampling once Level Turn this knob to adjust the trigger level. Press this button to zero the trigger level. Trigger Press this knob to set trigger-related options. Copyright ©ITECH Electronic Co., Ltd.

  • Page 16: Setting Display Layout

    2.2.5 Setting Display Layout The IT2700 series instruments support up to 8 channels of simultaneous output, each output has its own measurement capability. When the Meter view is displayed, the measurement system continuously measures the output voltage and current.
  • Page 17 The screen is divided into 8 small window displays. Meter Press this button to switch to the Meter measurement interface. Scope Press this button to switch to the scope interface. Recorder Press this button to switch to the data recorder interface. Copyright ©ITECH Electronic Co., Ltd.

  • Page 18: Meter View

    Vpk values, Apk values, Wh and Ah value. Configuration icon, click to quickly enter the general configuration interface of the current channel Reduced window for multiple channels, clicking on the small window switches the present channel to large display. Copyright ©ITECH Electronic Co., Ltd.

  • Page 19: Menu Interface

    Press the [Menu] key to enter the menu setting interface. This interface contains all the function option icons, which can be selected by using the arrow keys or knobs, or you can directly touch and click the icons to enter the corresponding function setting page. Copyright ©ITECH Electronic Co., Ltd.

  • Page 20: Introduction To Interface Symbols

    Sweep is waiting for signal trigger signal Arb is waiting for Sweep running trigger signal Arb idle state ARB running Over current ARB stop protection Over voltage peak Output inhibit protection Over temperature Over voltage protection protection Copyright ©ITECH Electronic Co., Ltd.

  • Page 21: Config Menu

    Rising and Falling Slope Tracking, checked to synchronize the setting of the rising and falling slope values. When the Priority selection is Voltage, the current limit Current limit need to set. +I limit Positive current limit -I limit Negative current limit Copyright ©ITECH Electronic Co., Ltd.
  • Page 22 Digital IO is PIN1~PIN7 Transient Trigger Transient system trigger source Selectable trigger sources are Immediate Trigger, Bus, Manual Trigger and PIN1~PIN7 Digital IO Trigger. Arb Step Trigger Out Arb single step trigger source Digital IO is PIN1~PIN7 Copyright ©ITECH Electronic Co., Ltd.

  • Page 23: Load Config Menu

    Voltage on, it starts Mode to carry the load, and when the voltage reaches the value of Voltage off, it stops to carry the load. Latch: The load state does follow voltage Copyright ©ITECH Electronic Co., Ltd.

  • Page 24: System Menu

    Press [Shift] + [1] (System) to enter the system menu, at this time the LCD shows the selectable function, use the up, down, left and right keys or touch to select and edit, the menu items are shown below. Copyright ©ITECH Electronic Co., Ltd.
  • Page 25 Off: disable this function Setting up parallel systems between channels Group Select the maseter. If the ch3 is Group With select to be master, the CH3-CH8 can be select to parallel. General General configurations Copyright ©ITECH Electronic Co., Ltd.
  • Page 26 Inverse setting to ON, it means the valid signal is reversed. ⚫ Inhibit ⚫ Digital-In Function ⚫ Digital-Out ⚫ Trig-in/Trig-out Digital IO2: PS Function setting of PIN 2 Inverse On/Off, Select Inverse or not If Copyright ©ITECH Electronic Co., Ltd.
  • Page 27 ON, it means the valid signal is reversed. Off-Couple ⚫ ⚫ Digital-In Function ⚫ Digital-Out ⚫ Trig-in/Trig-out Pulse Width Range: 5us-500us, Input signal range: ＞5us IO port status and direction Digital IO: Status Preference Buzzer Set the keyboard sound. Copyright ©ITECH Electronic Co., Ltd.
  • Page 28 Set the language of display English English Set the soft keyboard Soft Panel Turn on the soft keyboard. Turn off the soft keyboard. Meter1: Single view Meter4: 4 channel view Default Meter View Meter8：8 channel view Copyright ©ITECH Electronic Co., Ltd.

  • Page 29: Chapter3 Operation And Application

    The [On/Off] key is used to turn the output on or off under normal circumstances. Even if the instrument is in control by PC or the keyboard is locked, the [On/Off] is still valid for turn off output. Copyright ©ITECH Electronic Co., Ltd.

  • Page 30: Select Voltage Or Current Operation Mode

    Digital IO function introduction for details. 3.5 Select Voltage or Current Operation Mode The IT2700 series power system can realize different functions by installing different modules. The module can be a power supply module or a load module, and when used as a power supply, the operation mode can be selected as CV...

  • Page 31: Select Constant-Status Operation Mode

    Operation and Application 3.6 Select Constant-status Operation Mode The IT2700 series power system can realize different functions by installing different modules. The module can be a power module or a load module, and when used as a load, the operation modes include the following: Basic Operation Mode ⚫...
  • Page 32 The CR mode ensures that the UUT voltage outputs remain stable when the load varies. Complex Operation Mode IT2700 series complex operating modes include CC+CV, CC+CR, CR+CV, CP+CV and CC+CP+CR+CV modes, which can satisfy a wide range of test requirements.
  • Page 33 CR mode for sinking. The CC+CR mode is commonly used in the testing of voltage limiting, current limiting characteristics, constant voltage accuracy, and constant current accuracy of on-board chargers, which prevents over-current protection of on-board chargers. Copyright ©ITECH Electronic Co., Ltd.
  • Page 34 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 35: Config Menu Function

    3.7 Config Menu Function IT2700 series power system install different modules can realize different functions, different modules, config menu setup items are different, please refer to the Config menu introduction content for specific parameter introduction.

  • Page 36: Remote Measurement Function

    V/ms or A/ms depending on the mode. 3.7.2 Remote Measurement Function The IT2700 series instruments support both local and remote measurements, of which remote measurements are suitable for scenarios that require high measurement accuracy (see the IT2700 user user manual for more information).

  • Page 37: Under Voltage Inhibit (Load)

    110% of the current range. Under CV mode, short-circuit current equals to current when constant voltage is 0 V. 3.8 Protection Function The IT2700 series power system has different protection menus when using different modules. Press [Protect] button or click Protect function in Menu to enter Protect Configuration interface, the menu list and introduction of Protect function are shown below.

  • Page 38: Over Voltage Protection (Ovp)

    [Enter] to confirm. 3.8.2 Over Current Protection (OCP) Users can enable the OCP function and set the protection limit Level and protection delay time. When the current (i.e., the Meter value) is greater than Copyright ©ITECH Electronic Co., Ltd.

  • Page 39: Over Power Protection (Opp)

    Many reasons can cause UCP, the details are as follows: ⚫ The set protection limit Level is greater than the current Meter value. ⚫ The external (AC input) inputs a lower current. ⚫ The power supply outputs a low current due to a fault. Copyright ©ITECH Electronic Co., Ltd.

  • Page 40: Under Voltage Protection (Uvp)

    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 41: Timing Output Function

    Operation and Application 3.9 Timing Output Function Up to 8 modules can be installed in the IT2700 series power system. On delay or Off delay can be set for different channels, through which timing outputs between multiple channels can be realized.

  • Page 42: Parallel Of Channels In The Main Frame

    DUT connect terminals. Setting Parallel Relationship The user enters the System menu, selects the Group menu, and the parallel system configuration interface as shown in the following figure: Copyright ©ITECH Electronic Co., Ltd.

  • Page 43: Remote Measurement Function

    CH1. 3.12 Remote Measurement Function The IT2700 series power system supports two connection methods: Local measurement and Remote sensing. The remote sensing is used for maximizing measurement accuracy. (The connection refer to the IT2700 user manual).
  • Page 44 1. Press [Config] to enter the config function setup interface. 2. Press Measure. 3. Select Remote Sense compensation and setup the state. ⚫ Off: Default value, indicates turn the sense function off. ⚫ On: Indicates turn the sense function on. Copyright ©ITECH Electronic Co., Ltd.

  • Page 45: Chapter4 Generating Arbitrary Waveforms

    IT2700 series instruments. 4.1 LIST The IT2700 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 46: Open /Run List

    4.1.3 Import/Export List File Import List file IT2700 series support import list file function, The user can finish the editing of List file in Excel and import it into the software. This function simplifies the List file edit and facilitates user operation.

  • Page 47: Generating Arbitrary Waveforms (Arb)

    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. In this interface, the user can directly click Run, and the machine will output Copyright ©ITECH Electronic Co., Ltd.

  • Page 48: Setting The Arb Waveform Common Parameters

    4.2.3 Configuring Step 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. Copyright ©ITECH Electronic Co., Ltd.

  • Page 49: 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 50: Configuring Staircase 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 Staircase. Copyright ©ITECH Electronic Co., Ltd.

  • Page 51: 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 waveform configuration interface. Select the Priority attribute. Click the button corresponding to Type, select Arb type in the pop-up box to Sine. Copyright ©ITECH Electronic Co., Ltd.

  • Page 52: 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 53: Configuring Trapezoid 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 Trapezoid. Configure the Trapezoid Properties. Copyright ©ITECH Electronic Co., Ltd.

  • Page 54: 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 55: Configuring User-Defined Arbs

    The user can also use the configured "standard" Arb to convert directly to a customized waveform by populating the user-defined Arb with the values from the standard waveform, and then editing those values in the User- defined window. Copyright ©ITECH Electronic Co., Ltd.

  • Page 56: Configuring An Arb Sequence (Arb Sequence)

    Any of the standard Arb types, except for constant-dwell Arbs, can be included in the Arb sequence. All Arbs in the sequence must be of the same type; either voltage, current, resistance, or power. Copyright ©ITECH Electronic Co., Ltd.
  • Page 57 The trigger source for list file running can be set to Immediate, Manual, Bus, PIN1~PIN7. Repeat The number of times the file loops Running the sequency file. Open Open the sequency file. Create a new sequency file. Copyright ©ITECH Electronic Co., Ltd.
  • Page 58 Save an existing Arb file. Save as Name and save the newly edited Arb file. Apply Commit the parameter to make the parameter effective immediately. Delete Delete the Arb file. Arb step number Type Arb type. Copyright ©ITECH Electronic Co., Ltd.

  • Page 59: Configuring Constant-Dwell Arbs

    And the minimum dwell time of CD Arb is 0.001s. Copyright ©ITECH Electronic Co., Ltd.
  • Page 60 Normal, Last, Off. Normal: jumps to the output state in Fix mode, Last: keeps the last step parameter output, Off: closes the output. Dwell The width of time that each data point resides. Steps Click the [Import] button and select Import Waveform Data. Copyright ©ITECH Electronic Co., Ltd.

  • Page 61: Sine Sweep Waveform

    Operation Step Press the [Function] icon on the menu to enter the advanced function selection interface, and click the Sine Sweep function icon to enter the Sine sweep waveform configuration interface. Copyright ©ITECH Electronic Co., Ltd.

  • Page 62: Battery Simulation Function

    Press the [Function] icon on the menu to enter the advanced function selection interface, and click the Battery Simulation icon to enter the configuration interface. Copyright ©ITECH Electronic Co., Ltd.
  • Page 63 Lower: SOC upper limit End Type The output state at the end of List file. It can be set to Normal, Last, Off. Normal: jumps to the output state in Fix mode, Last: keeps the last step Copyright ©ITECH Electronic Co., Ltd.

  • Page 64: Battery Charging Test Function

    To avoid battery short circuit, be sure to check that the test line end is not connected when connecting or disassembling the test line. When the test line end is connected with battery, short circuit may cause severe accident. Copyright ©ITECH Electronic Co., Ltd.
  • Page 65 Edit the battery charge test file. Delete Save as the battery charge test file. Run the test Click New or Edit to create a new battery charge file or edit the current battery charge file. The interface is shown below. Copyright ©ITECH Electronic Co., Ltd.
  • Page 66 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 67: Battery Discharging Test Function

    Parameter Description Open Open or select a battery charge test file. Create a battery charge test file. Edit Edit the battery charge test file. Copyright ©ITECH Electronic Co., Ltd.
  • Page 68 Open or select a battery charge test file. Create a battery charge test file. Save Save the battery charge test file. Save as Save as the battery charge test file. Delete Delete the battery charge test file. Copyright ©ITECH Electronic Co., Ltd.

  • Page 69: Dynamic Functions (Load Mode Only)

    Under toggle mode with dynamic test function enabled, the load switches between I0 value and I1 value upon receiving a trigger signal, as shown in the following figure. The following picture shows the current waveform in toggle Copyright ©ITECH Electronic Co., Ltd.
  • Page 70 Two state values that are dynamically switched. Depending on the Priority, the value attributes are set differently. Take CC mode as an example, set two current values. Period&frequency Set the period or frequency to set the period duration of Copyright ©ITECH Electronic Co., Ltd.
  • Page 71 I1 state is maintained. Press the [On/Off] key at the front panel to turn on the instrument output. Click the [Run] key to start running the dynamic waveform. The interface shows the running status. Copyright ©ITECH Electronic Co., Ltd.

  • Page 72: Chapter5 Using The Measurement Function

    Only the output status and voltage and current measurements are displayed in the other small screens. ⚫ Four output view Copyright ©ITECH Electronic Co., Ltd.

  • Page 73: Instrument Measurement Settings

    Measurement parameters can be configured for all power/load modules, including sampling mode selection, measurement parameter adjustment, and more. Setting sampling mode Select the Measure tab in the Config menu to set the parameters related to the measurement. Copyright ©ITECH Electronic Co., Ltd.

  • Page 74: Scope Function

    As explained under Horizontal Properties, the maximum sampling rate of the scope varies, depending on the number of waveforms that are displayed. Note that in the Scope View there is only one time-base and trigger configuration for all outputs. Copyright ©ITECH Electronic Co., Ltd.

  • Page 75: Data Logging Function

    Use the Waveform Display knobs to scroll through the data. Unless specified otherwise, data is automatically stored default.dlog to a file named Configure the data logger properties: Press the Sample key to configure the data logger properties. Copyright ©ITECH Electronic Co., Ltd.
  • Page 76 You can select the format of the saved data file. Csv and Tdms can be selected File Name Setting the name of the saved data file Export to Udisk Export to a USB flash drive. Copyright ©ITECH Electronic Co., Ltd.

  • Page 77: Chapter6 System-Related Functions

    This item can set the key sound state. ⚫ If Key Click Buzzer is set to ON mode, then when you press a button, the instrument will beep. If it is OFF mode, the beeper will not make a sound. Copyright ©ITECH Electronic Co., Ltd.

  • Page 78: Setting Communication

    6.3 Setting Communication This menu item is used to set the communication method between the instrument and the PC. IT2700 series instruments are equipped with USB and LAN interfaces as standard. The user selects the used communication interface in the menu, and the user only needs to set the communication parameters and keep them consistent with the PC settings.

  • Page 79: Switching Local/Remote Mode

    When recalling is completed, the interface will display the saved detailed parameters. 6.7 Screen Capture Function IT2700 series power supply has the screen capture function. Insert the USB equipment into the USB interface of the front panel, and press [Print] to capture and save the screen into the USB disk.

  • Page 80: Query The System Log

    Host. 6.8 Query the System Log The IT2700 series power system provides the system operation Log query function. Click shift+5[Log] to enter the Log query interface. You can view historical system operation records on this screen.
  • Page 81 7 pins. General Digital I/O Function ⚫ Signal definition Digital I/O functions involve input and output levels and pulse signals.The input signal is the control signal provided externally to IT2703, the output signal is the Copyright ©ITECH Electronic Co., Ltd.
  • Page 82 Pin 1 has a bi-directional I/O function, which can both receive the level signal input from the external instrument and output the level signal outward.default level is high, and low is valid when entering. Outgoing output Copyright ©ITECH Electronic Co., Ltd.
  • Page 83 【Sync-out】: Synchronous output function, the IT2700 produces synchronous signal to the outside, which is AC zero crossing pulse signal sent from the IO port. Digital IO-6 IO-6 pin can be set to 【On-Couple】 ， 【Digital-In】 ， 【Digital-Out】 ， 【Trig-In】 ， Copyright ©ITECH Electronic Co., Ltd.
  • Page 84 System-Related Functions 【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.

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