ITech IT7200 Series User Manual
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ITech IT7200 Series User Manual

Programmable ac power source
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Programmable AC Power
Source
IT7200 Series User Manual
Model: IT7200 Series
Version: V1.0/1,2024

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Summary of Contents for ITech IT7200 Series

  • Page 1 Programmable AC Power Source IT7200 Series User Manual Model: IT7200 Series Version: V1.0/1,2024...
  • 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

    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+A1:2016 Copyright © Itech Electronic Co., Ltd.

  • Page 10: Table Of Contents

    4.8.5 Digital I/O Function ..................49 4.8.6 Set the Output Timer Function ..............53 4.9 Protection Function ....................53 4.9.1 Set the Over-Voltage Protection (rms) ............53 4.9.2 Set the Over-Voltage Protection (peak) ............54 Copyright © Itech Electronic Co., Ltd. VIII...
  • Page 11 5 Routine Maintenance ....................... 68 5.1 Instrument Self-Test....................68 5.2 Cleaning and Maintenance ..................68 5.3 Prompt Information Reference................69 5.4 Contact of ITECH Engineers ................. 70 5.5 Return for Repair....................72 6 Technical Specification ....................73 6.1 IT7221 ........................73 6.2 IT7222 ........................

  • Page 12: Quick Reference

    ♦ System Menu at a Glance 1.1 Brief Introduction ITECH newly-launched IT7200 High Performance Programmable AC Power Supply combines intelligence and flexibility, breaks through the huge defects of the traditional AC power source, reduces the size to only 1⁄2 2U, maximizes space utilization.

  • Page 13: Front Panel At A Glance

    Quick Reference • Front and rear edge Dimmer phase dimming function Settable output wave- form start/stop phase angle • Settable output waveform start/stop phase angle Model Selection Table for IT7200 Series: Cur- Power(AC/DC) Voltage Frequency Height Model rent IT7221 300 VA/300 W...

  • Page 14: Front Panel Keys At A Glance

    Pressing the push button rotary acts like press- ing [Enter] key to confirm an operation. 1.3 Front Panel Keys at a Glance The keys introduction of IT7200 series power source is shown as follows. • IT7221/IT7222 keys Copyright © Itech Electronic Co., Ltd.
  • Page 15 Enter the Protect menu. [Shift]+[On/Off] Generate a local trigger signal. (Trigger) [Shift]+[Enter](lock) Turn the keyboard lock on or off. [Shift]+[4] (Save) Saves the present settings. [Shift]+[1] (Recall) Returns the instrument to the specified setup. Copyright © Itech Electronic Co., Ltd.

  • Page 16: Rear Panel At A Glance

    L+ and N- are output terminals. These two ter- minals are not suitable for transmitting large current. Therefore, they cannot be connected to the DUT, which are only used for short circuit during local measurement. Copyright © Itech Electronic Co., Ltd.

  • Page 17: Front Panel Display At A Glance

    220 V. 1.5 Front Panel Display at a Glance The IT7200 series power supply has different display information under the AC mode and the DC mode. Details are as follows. • Under the AC mode, the AC main interface 1 is displayed as follows:...
  • Page 18 Displays the Meter value of the apparent power. vTHD meter value Displays the Meter value of the total voltage harmonic distortion. iTHD meter value Displays the Meter value of the total current harmonic distortion. Copyright © Itech Electronic Co., Ltd.

  • Page 19: Configuration Menu At A Glance

    When the number before the menu item is in a flashing status (the digit is flash- ing while the colon is not flashing), it indicates that this item is the selected menu. The descriptions of configuration menu are listed in the table below. Copyright © Itech Electronic Co., Ltd.

  • Page 20: System Menu At A Glance

    Press the [Enter] key to enter into the se- lected menu item. Press the [Esc] key to exit the menu function. The descriptions of system menu are listed in the table below. Copyright © Itech Electronic Co., Ltd.
  • Page 21 Auto: automatically configure Auto the address of the instrument. Manual: manually configure the address of the instrument by entering values in the fol- Manu lowing five fields. The following information only appear when Manu is selected. Copyright © Itech Electronic Co., Ltd.
  • Page 22 Raw- Socket interface. Viewing active LAN settings. Info LAN Status MAC Address IP Address Gateway Address Submask Address DHCP Server Address DNS Server Address Domain Name Host Name Description Copyright © Itech Electronic Co., Ltd.
  • Page 23 Select whether to restore the factory default settings or not. Reset Don’t restore the factory default settings. Restore the factory default settings. System View the system information. Info Display the manufacturer. Manufacturer Display the instrument model. Model Display the software version. Version Copyright © Itech Electronic Co., Ltd.
  • Page 24 Quick Reference Display the serial number. Serial Number Display SCPI command error information. SCPI Error Display last calibration date. Last Cal. Date Copyright © Itech Electronic Co., Ltd.

  • Page 25: Inspection And Installation

    Upon verification of the shipment, keep the package and relevant contents thereof in a safe place. When returning the instrument for warranty service or repair, the specified packing requirements shall be met. Copyright © Itech Electronic Co., Ltd.

  • Page 26: Instrument Size Introduction

    2.2 Instrument Size Introduction The instrument should be installed at well-ventilated and rational-sized space. Please select appropriate space for installation based on the instrument size. The detailed dimension drawings of the IT7200 series are as follows: IT7221/IT7222 Copyright © Itech Electronic Co., Ltd.

  • Page 27: Rack Mounting

    Inspection and Installation 2.3 Rack Mounting IT7220 series power can be mounted on a standard 19” rack. ITECH provides user with IT-E151A rack, as an optional mount kit. The detailed operation please refer to the User Manual of your mount kit.
  • Page 28 AC Power Input Level Working voltage for IT7200 series power is 220V, AC power input level: 220- 230Vac, 47~63Hz. Power Cord Type and Connecting Method IT7200 series contains many models.

  • Page 29: Connecting The Device Under Test (Dut)

    For specifications of test cables and maximum current values, refer A.1 Specifications of Red and Black Test Cables for more information. Connecting the DUT (Local Measurement) The connection diagram and steps of local sensing are as follows: Copyright © Itech Electronic Co., Ltd.
  • Page 30 The connection diagram and steps of remote sensing are as follows: Copyright © Itech Electronic Co., Ltd.

  • Page 31: Connecting The Interface

    SYST:REM command firstly. Copyright © Itech Electronic Co., Ltd.

  • Page 32: Usb Interface

    VCP: USB_VCP virtual serial port. When the host software uses the USBVCP for communication(The WIN7/XP system needs to be installed with IT7221-VCP.inf. Download from the ITECH website or contact ITECH agent), this USB is the USB_VCP interface. 4. Press [Esc] to exit the system menu setting.
  • Page 33 AutoIP. AutoIP automatically assigns an IP address, Subnet Mask, and De- fault Gateway addresses on networks that do not have a DHCP server. • Manually configure the address of the instrument.（Manual） Set the following parameter. The following information only appear when Manual is selected. Copyright © Itech Electronic Co., Ltd.
  • Page 34 Auto: automatically configure the addressing of the instrument; • Manu: manually configure the addressing of the instrument. If Manu is selected, set the parameters such as IP and Gate. 7. After setting, press [Esc] to exit. Copyright © Itech Electronic Co., Ltd.
  • Page 35 2. Rotate the knob to select I/O Config and press [Enter] key to confirm. 3. Rotate the knob to select LAN and press [Enter] key to confirm. 4. Rotate the knob to select I/O Advance Config and press [Enter] to enter the LAN advanced setting interface. Copyright © Itech Electronic Co., Ltd.
  • Page 36 Security button in the navigation bar on the left side of the window after login. Enter the password and then click the LOGIN button, the Http interface will ap- pear in the browser as shown below. Copyright © Itech Electronic Co., Ltd.
  • Page 37 LAN Configuration: Reconfigure the LAN parameters. • Security: Change the password and control access to the Http interface. • Manual: Go to the ITECH official website and view or download the relevant documents. • Logout: Logout the Http interface. 2.6.2.2 Using Telnet The Telnet utility (as well as sockets), is another way to communicate with the instrument without using I/O libraries or drivers.
  • Page 38 The instruments allow any combination of up to six simultaneous socket and telnet connections to be made. ITECH instruments have SCPI socket services, which can be used to send and receive ASCII/SCPI commands, queries, and query responses. All commands must be terminated with a new line for the message to be parsed. All query re- sponses will also be terminated with a new line.

  • Page 39: Getting Started

    The power switch is located in the lower left corner of the front panel. See Front Panel at a Glance for details. The power switch is a push button. Press the button once to turn the instrument on and press it again to turn the instru- ment off. Copyright © Itech Electronic Co., Ltd.
  • Page 40 Wait until the power is turned off and then start again. If the problem still cannot be solved after restart- ing, please contact the ITECH engineer. Please refer to Error information list detailed information about common error messages.

  • Page 41: Applying Dc Output

    5. Checking the Meter values of voltage, current, and power. After the Output is enabled, the instrument will continuously measure and display the Meter values of voltage, current, and power on the front panel. Copyright © Itech Electronic Co., Ltd.

  • Page 42: Applying Waveform Output

    Press [Enter] key to confirm the frequency setting value. Press [Esc] key to exit the input mode. 4. Set the AC Phase Angle. a. Press the composite keys [Shift]+[V-set](Config) to enter into the config- uration menu interface. 1:I Range = High Copyright © Itech Electronic Co., Ltd.
  • Page 43 If the input process suspends for more than 5 seconds, the input mode will be automatically exited. If you want to abandon input, please press [Esc] key to exit. d. Press [Esc] to exit the protection menu setting. 7. Enable the Output. Copyright © Itech Electronic Co., Ltd.
  • Page 44 Meter values of Vrms, Irms, Freq, Ip, PF, Q, P, S, vTHD, and iTHD on the front panel. 10.03V 0.0005A 50.0Hz 0.00W 0.0056Ip 1.00PF Press the [Select] key to switch the display of Meter value. 10.03V 0.0005A 0.00W 0.0VA vTHD=1.02 Copyright © Itech Electronic Co., Ltd.

  • Page 45: Operation And Application

    ♦ Protection Function ♦ System-Related Operations 4.1 Select the Output Mode The IT7200 series power supply has 3 output modes: AC, DC and AC+DC. The User should set specific output mode based on required applications. AC Mode This mode is the default mode when the instrument is powered on (It is neces- sary to press [Shift]+[3] (AC) key to switch the DC mode back to the AC mode), indicating that the instrument is used as AC power supply.

  • Page 46: Set The Ac Output

    1. Press the [Shift]+[3] (AC) key to set the instrument to AC output mode. 2. Press [V-set] key to position the cursor to the voltage setting value. Mean- while, the [V-set] key will light up. 50.0V 6.00A 60.0Hz Copyright © Itech Electronic Co., Ltd.

  • Page 47: Set The Ac Frequency

    Press [Esc] key to exit the input mode. 4.2.3 Set the AC Phase Angle IT7200 series supports the initial phase and stop phase of the output waveform settable to meet different test requirements. The initial phase and stop phase are set in the range of 0.0°~359.9°. By adjusting the phase angle, the user can test the rush current of the product at different positions which is widely applied to various switch current impulse tests and various rectifiers test.

  • Page 48: Select The Output Waveform

    Press [Enter] key to confirm. 5. Press [Esc] to exit the configuration menu setting. • The user-defined waveforms need to be defined in and downloaded from the re- mote PC. Refer to the IT7200 Series Software User Manual for operation methods. • Refer to A.2 Built -in Waveforms...

  • Page 49: Set The Dc Output

    You can set the voltage rise time on the front panel or through remote control operation. The set voltage rise time will affect the voltage change speed when the real-time voltage changes. The setting steps are as follows: Copyright © Itech Electronic Co., Ltd.

  • Page 50: Set The Over-Current Protection Point

    Rotate the knob to change the digit value. 3. Press [Enter] key to confirm the OCPrms setting value. Press [Esc] key to exit the input mode. Copyright © Itech Electronic Co., Ltd.

  • Page 51: Turning The Output On And Off

    4. Turn the knob to change the output value, and the output waveform value re- mains constant. After pressing [Enter] to confirm, the output voltage value will change with the input value. The output waveform is shown in the figure below. Copyright © Itech Electronic Co., Ltd.

  • Page 52: Executing Measurement

    Output is On, it will measure the V, I, F, and P of the output ter- minal of the power supply. Before executing measurement, the user needs to set the current measurement range. Copyright © Itech Electronic Co., Ltd.

  • Page 53: Measurement Functions

    It is the Apparent Power, and its calculation formula = Vrms × Irms。 vTHD Total voltage harmonic distortion factor. iTHD Total current harmonic distortion factor. DC Mode It is the measurement of DC Voltage. It is the measurement of DC Current. Power. Copyright © Itech Electronic Co., Ltd.

  • Page 54: Function Operation

    Turn the surge/trap function off. Turn the surge/trap function on. Period Set the period of the surge/trap. Width Set the surge/trap width. Percent Set the percentage of the surge/ trap amplitude to AC signal amplitude (rms). Copyright © Itech Electronic Co., Ltd.
  • Page 55 When send 0V signal to IO2, the instrument turns off the output. Off Timer Set the output timer function. Turn the output timer off. Turn the output timer on. Copyright © Itech Electronic Co., Ltd.

  • Page 56: List Function

    This function with complex waveforms can help users to simulate grid disturbance, periodic power off and so on. This power supply needs to use the IT7200 Series Software to edit the List func- tion contents, and download the List files to local equipment. Then, the instru- ment can locally run the List function.

  • Page 57: Dimmer Function

    The Dimmer Function aims to adjust the light illuminance intensity by setting the phase angle and concealing the leading edge or trailing edge waveform. This IT7200 series power supply supports front and rear phase angle dimmer or speed adjustment test to verify whether the product has potential quality prob- lem when the end user uses dimmer or the speed controller.
  • Page 58 5. Press [On/Off] key, and the power supply outputs the set phase dimmer waveform. Press[On/Off] again to stop output. 10.0V 3.00A 45.0Hz Phase= 90.0° TrailingEdge • The phase dimmer function can only be used under the AC Mode. Copyright © Itech Electronic Co., Ltd.

  • Page 59: Surge/Trap Function

    Press [Esc] to exit the function menu setting. 5. Press [On/Off] key, and the power supply outputs the set surge/trap wave- form. Press[On/Off] again to stop output. 10.0V 3.00A 50.0Hz 1Cycle 1.00mS 30.0% Waveform Example Copyright © Itech Electronic Co., Ltd.

  • Page 60: Digital I/O Function

    The surge/trap function can only be used under the AC Mode. 4.8.5 Digital I/O Function The IT7200 series power supply supports digital I/O function, which can be used for controlling and monitoring power supply output. For position, see 1.4 Rear Panel at a Glance.
  • Page 61 H if out on When the output state of the instrument is On, this pin outputs 5V. When the output state of the instrument is Off, this pin out- puts 0V. Input Config IO1 as input pin. Copyright © Itech Electronic Co., Ltd.
  • Page 62 The operation steps are as follows: 1. Config IO2 as input pin. a. Press the composite keys [Shift] + [I-set](Function) to enter function menu interface. Copyright © Itech Electronic Co., Ltd.
  • Page 63 5V. When the output state of the instrument is Off, this pin outputs 0V. 2. You can connect a digital voltmeter to IO1 and GND to monitor the On/Off status of the instrument. Copyright © Itech Electronic Co., Ltd.

  • Page 64: Set The Output Timer Function

    The OVP (rms) function is always enabled. Set the OVP(rms) point 1. Press the composite keys [Shift] + [F-set](Protect) to enter Protect menu interface. 2. Rotate the knob to select OVP(rms) and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.

  • Page 65: Set The Over-Voltage Protection (Peak)

    When over-voltage protection occurs, the instrument responds as follows: • The instrument output is turned off, and other keys (except the [Esc] key) are locked. • The buzzer sounds intermittently three times: one long beep and two short beeps. Copyright © Itech Electronic Co., Ltd.

  • Page 66: Set The Under-Voltage Protection (Rms)

    UVP(rms) status. 4.9.4 Set the Over-Current Protection (rms) The user can set the over-current protection point for the over-current protection (rms) function. When the output current reaches the over-current protection Copyright © Itech Electronic Co., Ltd.
  • Page 67 Press [Esc] key (or send the command PROTect:CLEar) to clear the protection status. The “OCPrms Occurred!!” dis- played in front panel is cleared and the instrument exits OCP status. Copyright © Itech Electronic Co., Ltd.

  • Page 68: Set The Over-Current Protection (Peak)

    The instrument output is turned off, and other keys (except the [Esc] key) are locked. • The buzzer sounds intermittently three times: one long beep and two short beeps. • The interface displays “OCPpeak Occurred!!”; • Status register, the OCPpeak status bit is set to 1. Copyright © Itech Electronic Co., Ltd.

  • Page 69: Set The Over-Power Protection

    If the output current reaches the limiting current protection point, the pro- tection will be activated. The power supply output current is controlled within the current limiting value, and the output is stopped after several milliseconds. The Copyright © Itech Electronic Co., Ltd.

  • Page 70: Set The Sense Check Protection

    4. Press [Esc] to exit the protection menu setting. Clear protection status When protection occurs, the instrument responds as follows: • The instrument output is turned off, and other keys (except the [Esc] key) are locked. Copyright © Itech Electronic Co., Ltd.

  • Page 71: Limiting The Setting Value Range

    • OCP-Min: set the minimum value of the OCPrms setting value. 4. Rotate the knob to adjust the parameter, and press [Enter] key to confirm. 5. Press [Esc] to exit the protection menu setting. Copyright © Itech Electronic Co., Ltd.

  • Page 72: System-Related Operations

    4.10.2 Save and Recall Operations IT7200 series power source can save up to 10 common parameters in nonvola- tile memory (No. 0 to No. 9) for user to recall conveniently. The contents stored in each group include: output mode(AC/DC), voltage setting value(AC), voltage setting value(DC), OCPrms, frequency setting value and phase angle.

  • Page 73: Key Lock Function

    OCPrms and frequency setting value. • The output state of the power source, i.e., the [On/Off] key state. Operation Steps: 1. Press the composite keys [Shift] + [Select](System) to enter into the system menu interface. Copyright © Itech Electronic Co., Ltd.

  • Page 74: Restore The As-Shipped Settings

    [Enter] key to confirm. • No: default value, indicates the power source cancels this menu setting. • Yes: indicates the power source restores the as-shipped settings. 4. Press [Esc] to exit the system menu setting. Copyright © Itech Electronic Co., Ltd.
  • Page 75 PowerOn Last+Off CAN Address CAN Baudrate 500K IP Mode Auto 192.168.0.2 Gate 192.168.0.1 Mask 255.255.255.0 DNS1 0.0.0.0 DNS2 0.0.0.0 Port 30000 GPIB Address RS232 Baudrate 115200 Relay Ctrl Out Syn System Reset Protect menu Copyright © Itech Electronic Co., Ltd.
  • Page 76 Sense Check Vac-Max 300V Vac-Min 0.0V Vdc-Max 400V Vdc-Min - 400V Freq-Max 500Hz Freq-Min 45.0Hz OCP-Max 3.15A OCP-Min 0.00A Function menu List Mode List Trigger Dimmer Surge Trap Ext IO1 Ext IO2 Off Timer Copyright © Itech Electronic Co., Ltd.

  • Page 77: View The System Information

    Out Syn: The relay is linked with Output. When the instrument output is On, the relay is closed; when the instrument output is Off, the relay is open, and the instrument and the load are electrically separated. Copyright © Itech Electronic Co., Ltd.
  • Page 78 For safety reasons, when the DUT is other types of loads, you need to select the Out Syn option. Copyright © Itech Electronic Co., Ltd.

  • Page 79: Routine Maintenance

    Routine Maintenance Routine Maintenance This chapter describes general maintenance items and maintenance methods of the IT7200 series power source. ♦ Instrument Self-Test ♦ Cleaning and Maintenance ♦ Prompt Information Reference ♦ Contact of ITECH Engineers ♦ Return for Repair 5.1 Instrument Self-Test Self-test checks that the minimum set of logic and power mesh systems are functioning properly.

  • Page 80: Prompt Information Reference

    This section describes all error information of the IT7200 series power supply as well as disposals. All prompt information is listed. Error information list...

  • Page 81: Contact Of Itech Engineers

    This section describes operations to be carried out by the user in case of failure of the instrument. Preparation before contact When the instrument fails, you should make the following preparations before returning the instrument to ITECH for repair or contacting engineers. Copyright © Itech Electronic Co., Ltd.
  • Page 82 Collect the SN number ITECH will constantly improve the product performance, availability and reliabil- ity. The service personnel of ITECH will record changes of each instrument. All relevant information is marked uniquely according to the serial number of each instrument. The equipment returned for repair must adopt the SN number as the tracking ID.

  • Page 83: Return For Repair

    4006-025-000 for technical support and services. 5.5 Return for Repair If your instrument fails during the warranty period, ITECH will repair or replace it under the terms of your warranty. After your warranty expires, ITECH offers re- pair services at competitive prices. Also you can purchase an extended mainte- nance service contract that exceeds the standard warranty period.

  • Page 84: Technical Specification

    Technical Specification Technical Specification This chapter will introduce the rated voltage, current, power and many other main parameters of IT7200 series power source. ♦ IT7221 ♦ IT7222 6.1 IT7221 Parameter IT7221 AC Input Voltage 220-230Vac(±10%) Single-phase Phase Frequency 47-63Hz Max.current 3.3A...
  • Page 85 DC voltage Accuracy ±(0.25% +0.25%×F.S.) DC current (IDC, Accuracy ±(0.25% +0.355%×F.S.) High range) DC current (IDC, Accuracy ±(0.25% +0.355%×F.S.) Low range) Range 45Hz-500Hz Frequency Resolution*5 0.1Hz Accuracy*2 ±0.1% Resolution 100mVA Power (S) Accuracy ±(0.5% +0.5%×F.S.) Copyright © Itech Electronic Co., Ltd.

  • Page 86: It7222

    Max. output voltage 300V Output phase Single-phase Current range(rms) Current range(peak) Output frequency range 45 - 500Hz Phase angle degree range 0 – 359.9° ≤0.3% at 50/60Hz ; THD*1*3 (Resistive Load) ≤1% at 45-500Hz Copyright © Itech Electronic Co., Ltd.
  • Page 87 ±(0.5% +0.5%×F.S.) Range 0.1 - 1250 mA AC current (rms, low range at Resolution 0.1mA 100HZ) Accuracy ±(0.25% +0.25%×F.S.) Range 0-8.5A AC current (peak) Resolution 10mA Accuracy ±(0.4% +0.8%×F.S.) DC voltage Accuracy ±(0.25% +0.25%×F.S.) Copyright © Itech Electronic Co., Ltd.
  • Page 88 *4: The minimum voltage for the applicable range of the specifications is 3Vac. *5: The applicable range of frequency resolution is 45~99.9Hz. *6: The specification applies to an ambient temperature range of 23±2 degrees Celsius. Copyright © Itech Electronic Co., Ltd.

  • Page 89: A Appendix

    ♦ Built -in Waveforms 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 90: Built -In Waveforms

    Twisting or bundling wires will help reduce transient voltage drops. A.2 Built -in Waveforms The IT7200 series power supply is built in with 30 waveforms up to 40 times of harmonic distortion. The table below lists each time of harmonic component of each harmonic wave.
  • Page 91 Appendix waveform (1 time) components. The component of other times of harmonic waves not listed is 0. Component Waveforms THD1 THD2 THD3 Copyright © Itech Electronic Co., Ltd.
  • Page 92 Appendix Component Waveforms THD4 THD5 THD6 1.65 Copyright © Itech Electronic Co., Ltd.
  • Page 93 Appendix Component Waveforms THD7 THD8 THD9 7.35 1.65 4.05 1.05 1.05 1.05 Copyright © Itech Electronic Co., Ltd.
  • Page 94 Appendix Component Waveforms THD10 1.25 THD11 17.8 THD12 21.3 Copyright © Itech Electronic Co., Ltd.
  • Page 95 Appendix Component Waveforms THD13 24.6 THD14 2.35 15.9 THD15 1.16 1.25 Copyright © Itech Electronic Co., Ltd.
  • Page 96 Appendix Component Waveforms THD16 2.46 3.98 THD17 1.15 THD18 7.18 3.45 Copyright © Itech Electronic Co., Ltd.
  • Page 97 Appendix Component Waveforms THD19 8.13 3.46 THD20 3.45 1.15 THD21 1.85 1.65 1.25 Copyright © Itech Electronic Co., Ltd.
  • Page 98 Appendix Component Waveforms THD22 2.75 2.45 1.45 0.85 THD23 4.15 3.85 3.25 2.62 1.24 THD24 5.65 1.05 5.14 1.26 4.43 1.33 3.55 1.21 2.64 0.94 1.67 Copyright © Itech Electronic Co., Ltd.
  • Page 99 Appendix Component Waveforms THD25 1.03 7.29 1.33 6.32 1.64 5.72 1.68 1.55 3.43 1.25 2.18 THD26 1.03 3.55 4.13 2.67 4.15 8.88 2.62 7.85 2.85 THD27 1.39 2.28 Copyright © Itech Electronic Co., Ltd.
  • Page 100 Appendix Component Waveforms THD28 33.35 23 20.05 25 3.26 13.85 27 2.96 10.82 29 0.26 8.52 7.23 THD29 4.49 33.35 23 20.05 25 13.85 27 10.82 29 8.52 7.23 Copyright © Itech Electronic Co., Ltd.
  • Page 101 Appendix Component Waveforms THD30 33.35 20.05 13.85 10.82 8.52 7.23 5.52 Copyright © Itech Electronic Co., Ltd.
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