ITech IT7321 User Manual
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ITech IT7321 User Manual

Series it7300 programmable ac power supply
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Programmable AC Power
Supply
Series IT7300 User's Manual
Model：IT7321/IT7322/IT7322H/IT7324/
IT7324H/IT7326/IT7326H
Version：V2.1

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Summary of Contents for ITech IT7321

  • Page 1 Programmable AC Power Supply Series IT7300 User’s Manual Model：IT7321/IT7322/IT7322H/IT7324/ IT7324H/IT7326/IT7326H Version：V2.1...
  • Page 2 “Caution” signs indicate danger. It is (including electronic storage and extent of laws, ITECH is not committed required to pay attention to the contents retrieval or translation into a foreign to any explicit or implied guarantee for...

  • Page 3: Warranty Service

    ITECH, and ITECH will be responsible for return freight.  If the product is sent to ITECH for warranty service from other countries, the customer will be responsible for all the freight, duties and other taxes. Limitation of Warranty ...

  • 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

    Waste electrical and electronic equipment (WEEE) directive, 2002/96/EC The product complies with tag requirements of the WEEE directive (2002/96/EC). This tag indicates that the electronic equipment cannot be disposed of as ordinary household waste. Electronics Co., Ltd. Copyright © Itech...
  • Page 6 According to the equipment classification in Annex I of the WEEE directive, this instrument belongs to the “Monitoring” product. If you want to return the unnecessary instrument, please contact the nearest sales office of ITECH. Electronics Co., Ltd. Copyright © Itech...

  • Page 7: Compliance Information

    Connection of the instrument to a test object may produce radiations beyond the specified limit. 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 Electronics Co., Ltd. Copyright © Itech...

  • Page 8: Table Of Contents

    4.2 S ..........................47 UPPLEMENTAL CHARACTERISTICS CHAPTER5 REMOTE CONTROL ........................48 5.1 RS232 ..............................48 INTERFACE 5.2 USB I ..............................49 NTERFACE 5.3 LAN I ..............................50 NTERFACE 5.4 GPIB I ..............................50 NTERFACE Electronics Co., Ltd. Copyright © Itech...

  • Page 9: Chapter1 Acceptance And Installation

    The package requirements should be met when the instrument is returned to factory for repair. 1.2 Installation Position The instrument should be installed at well-ventilated and rational-sized space. Please select appropriate space for installation based on the power supply size Copyright © Itech Electronics Co., Ltd.
  • Page 10 Acceptance and Installation Model IT7321 Overall dimensions: ：214.5 mm Width ：88.2 mm Height ：453.5 mm Depth Detailed dimensional drawings Copyright © Itech Electronics Co., Ltd.
  • Page 11 Acceptance and Installation Model IT7322/IT7324 ： Overall dimensions ：439 mm Width ：131.4 mm Height ：535.7 mm Depth Detailed dimensional drawings Copyright © Itech Electronics Co., Ltd.
  • Page 12 Acceptance and Installation Model IT7322H/IT7324H ： Overall dimensions ：439 mm Width ：133.3 mm Height ：535.5 mm Depth Detailed dimensional drawings Copyright © Itech Electronics Co., Ltd.
  • Page 13 Acceptance and Installation Model IT7326 ： Overall dimensions ：483.2 mm Width ：267 mm Height ：608.3 mm Depth Detailed dimensional drawings Copyright © Itech Electronics Co., Ltd.
  • Page 14 Acceptance and Installation Model IT7326H ： Overall dimensions ：483.2 mm Width ：267 mm Height ：608.3 mm Depth Detailed dimensional drawings Copyright © Itech Electronics Co., Ltd.

  • Page 15: Installation Of Power Cord

    Working voltage for IT7326/IT7326H is 220V.so please pay attention to the working input voltage. IT7321 model support 110V/220V AC input.The AC line switch is located at the bottom of the unit. T7322/IT7322H/IT7324/IT7324H models support 110V/220V AC input.The AC line switch is located at the rear of the unit.Please pay attention to the AC level setup before provide AC power.
  • Page 16 Connect the three terminals red to line (L), black to neutral (N), and yellow to ground (G) on the other end of the power cord to your AC distribution panel. Copyright © Itech Electronics Co., Ltd.

  • Page 17: Chapter2 Quick Start

    Current Power IT7321 300V 300VA IT7322 300V 750VA IT7322H 500V 750VA IT7324 300V 1500VA IT7324H 500V 1500VA IT7326 300V 3000VA IT7326H 500V 3000VA *IT7321 has no 3-phase AC power supply function and GPIB interface. Copyright © Itech Electronics Co., Ltd.

  • Page 18: Introduction Of Front Panel

    Power button VFD display Compound key, the local switch key and power switch Numeric keys and ESC Function keys UP, DOWN, LEFT and RIGHT key Rotary knob Output terminals  Front panel of IT7322H/IT7324H Copyright © Itech Electronics Co., Ltd.
  • Page 19 VFD display Compound key, the local switch key and power switch Numeric keys and ESC Function keys UP, DOWN, LEFT and RIGHT key Rotary knob Output terminals Fuses 11. Fan  Front panel of IT7326H Copyright © Itech Electronics Co., Ltd.

  • Page 20: Key Introduction

    Compound key ， co-work with High/Auto、 Phase、 Save、 (Shift) Menu、Trigger、Lock、Sweep、List and*Dimmer. Local buton, switch from remote mode to local (Local) operation mode Power on key (Power) Numeric keys Number 7/Sweep function key /Sweep Number 8/List function key /List Copyright © Itech Electronics Co., Ltd.

  • Page 21: Vfd Indicator Description

    Dimmer function is enabled power supply Error Shift Shift button is pressed has an error Awaiting for a trigger Trig Lock Key operation is locked signal 2.5 Introduction of rear panel  Rear panel of IT7321 Copyright © Itech Electronics Co., Ltd.
  • Page 22 2. RS232 communication interface 3. USB communication interface 4. Cooling fans AC power socket and Fuse 6. Output terminals 7. BNC terminal  Rear panel of IT7322/IT7322H/IT7324/IT7324H  Rear panel of IT7326/IT7326H 1. AC power input socket Copyright © Itech Electronics Co., Ltd.

  • Page 23: Power-On Selftest

    You can check the self test error on the INFOR item in the MENU. Exception handling If the power supply can not start normally, please check and take measures by reference to steps below. Copyright © Itech Electronics Co., Ltd.

  • Page 24: Voltage Output Checkout

    Check whether the fuse of power supply is burned out. If yes, change fuse. Detailed steps:（Taking an example of IT7321） ： 1) Remove the AC power cord and open the plastic cover located at the AC power inlet, then you will see the fuse.
  • Page 25 Ensure that the voltage can be adjusted from zero to the full rated value Copyright © Itech Electronics Co., Ltd.

  • Page 26: Chapter3 Function And Features

    You can set frequency within the range 45Hz to 500Hz. When you press , the button will be lit. This indicates that you can set frequency.There are three ways to set frequency through front panel. Copyright © Itech Electronics Co., Ltd.

  • Page 27: Phase Angle Setup

    Press button to change the VFD display of bottom line. Default VFD display:effective voltage,effective current,frequence Active power,power fator,output time 0.0V 0.0mA 50.0 0.00W PF= 0.000 0.0S Press to switch the display: effective voltage,effective current,frequence Copyright © Itech Electronics Co., Ltd.

  • Page 28: Save And Recall Operation

    (TRIG) in the system menu to MENU. For details, see Section 3.9 Menu Operation. During surge/trapped wave test under List operation, press (Shift) + (Trigger) to trigger surge/trapped wave. When LIST file is running, the trigger function key (Trigger) will flick. Copyright © Itech Electronics Co., Ltd.

  • Page 29: Menu Operation

    Voltage lower limit Set Min. voltage Volt-Min=0.0V Voltage upper limit Volt-Max Config Volt-Max=300.0V Set Max, voltage Frequency lower limit Freq-Min Set frequency lower limit Freq-Min=45.0Hz Freq-Max Frequency upper limit Set frequency upper limit Freq-Max=500.0Hz Copyright © Itech Electronics Co., Ltd.
  • Page 30 Middle measurement Select low-range measurement PRODUCT INFO: Power information ERROR INFO: For look up error information Info PRODUCT INFO: IT73XX Instrument type/Firmware version Ver:0.01~0.01 PRODUCT SN: XXXXXXXXXX Instrument SN XXXXXXXX RECORD INFO: Record information Copyright © Itech Electronics Co., Ltd.
  • Page 31 Menu. For details, refer to Section 3.13 BNC. Set Factory Setting to Manual. Setting of Communication Interface This item can set communication modes of the power supply. IT7321/IT7322 Series has the following standard communication interfaces: LAN/USB /RS232; and IT7322H/IT7324/IT7324H/IT7326/IT7326H Series has the following standard communication interfaces: LAN/USB/RS232/GPIB.

  • Page 32: Function Operation

    The Sweep function is used to test efficiency of switching power supply and capture the voltage and frequency at the maximum power point. The voltage and frequency of power may be altered in the form of step ladder by setting the Copyright © Itech Electronics Co., Ltd.
  • Page 33 Frequency=1.0Hz Press left and right arrow keys to select whether save sweeping file,” No” means do not saving ,” Yes” means saving. SWEEP SAVE No Yes Enter Select save position(0~9), press to confirm,VFD display Copyright © Itech Electronics Co., Ltd.
  • Page 34 0.00W PF=0.000 0.0S Press right arrow key to “Enable”, press down arrow key and Enter key to confirm and then exit sweep function(Sweep words will disappeared on lower right of VFD display ) SWEEP Copyright © Itech Electronics Co., Ltd.
  • Page 35 Enter select Edit,press to confirm. LIST Edit Recall Disable Enter Press numeric key,set the step counts(range:1~100),press confirm. STEP COUNT Step Count=0 Press numeric key,set number of cycles(range:1~1000),press Enter to confirm. LIST REPEAT List Repeat=0 Copyright © Itech Electronics Co., Ltd.
  • Page 36 LIST SAVE No Yes Enter Store file to specified storage space(0~9 groups),press confirm.VFD will display “Save data success!” LIST SAVE Save data bank=0 Copyright © Itech Electronics Co., Ltd.
  • Page 37 If several List files are edited, you can recall the Listfile to be tested by Recall. When LIST is in Enable status, exit the menu to perform test. Press (Shift) List)button to entry the List menu Copyright © Itech Electronics Co., Ltd.
  • Page 38 > Active dimmer function, set LeadingEdge /LaggingEdge （Menu）to menu Press multiple keys (Shift) 0.0V 0.0mA 50.0 0.00W PF=0.000 0.0S Enter Press right arrow key to select “ Config”, press to confirm when “Config” is shining MENU System Config Info Copyright © Itech Electronics Co., Ltd.

  • Page 39: Output Range

    3.11 Output range IT7300 series AC source will allow switchover between High range and Auto range. Take IT7321 as example, the voltage, current and apparent power at the High range is 300V/1.5A/300VA; the voltage, current and apparent power at the Low range is 150V/3A/300VA.

  • Page 40: Key Lock

    Note: Only when the front panel and BNC are set to On at the same time, the power supply outputs. Otherwise, the power supply is OFF. Output signal: O-Sync as synchronizing signal of alternating phase: Copyright © Itech Electronics Co., Ltd.
  • Page 41 I-Trigger I-Ri O-Sync O-On > 3.14 3ø-Setup IT7300 series(except IT7321 model) support 3-phase output via three units.The three units need to be connected together via SYSTEM BUS. To achieve 3-phase output function of AC power supply, take IT7324 as example for description.3-phase output includes two connection types of “Y”...
  • Page 42 Phase A, Phase B and Phase C respectively. Phase A power supply will automatically search for Phase B and Phase C power supplies. Detailed operation steps are shown below: Set Phase A （Menu）to enter the menu operation. 1. Press (Shift)+ Copyright © Itech Electronics Co., Ltd.

  • Page 43: Ø -Setup

    Phase B as example, as shown below. Auto 0.0V 0.0mA 50.0 PF=0.000 3ø-B 0.00W After setting of Phases B and C, the main interface of Phase A power supply displays as follows: Auto 0.0V 0.0mA 50.0 3ø-B,C Loss 3ø-A 0.00W Copyright © Itech Electronics Co., Ltd.

  • Page 44: Chapter4 Specification

    Voltage Accuracy ±(0.2%+0.6V) Temp. coefficient ±(0.04% per degree from 25℃) Range 45-500Hz Frequency Resolution 0.1Hz at 45-99.9Hz 1Hz at 100-500Hz Accuracy 0.1Hz Range 0-360° Phase Angle Resolution 0.1° Accuracy ±1°(45-65Hz) MEASUREMENT Voltage(rms) Range 0-300V Copyright © Itech Electronics Co., Ltd.
  • Page 45 Sync Output Signal Output Signal 5V,BNC type Interface(Option) LAN,USB,RS232 Operation Environment 0-40℃/20-80%RH Dimension 19" 2U Weight 10Kg Model IT7322 INPUT Phase Voltage 220Vac±10% or 110Vac±10% Frequency 47-63Hz Max.Current 15A(220Vac) or 30A(110Vac) Power Factor 0.7(typical) AC OUTPUT Copyright © Itech Electronics Co., Ltd.
  • Page 46 H:6.00A * L:0.1mA Resolution M:1mA Current(rms) H:10mA L:±(0.2%+0.6mA) Accuracy M:±(0.2%+6mA) H:±(0.2%+60mA) Temp. coefficient ±(0.04% per degree from 25℃) Range 0-18A Resolution 0.01A Current(peak) Accuracy ±(1%+0.36A) Temp. coefficient ±(0.05% per degree from 25℃) Power Resolution L:0.01W Copyright © Itech Electronics Co., Ltd.
  • Page 47 Load Regulation ≤0.5%FS(Resistive Load) Response Time <100uS SETTING Range 0-500V High, 250/500V Auto Resolution 0.1V Voltage Accuracy ±(0.2%+1.2V) Temp. coefficient ±(0.04% per degree from 25℃) Range 45-500Hz Frequency Resolution 0.1Hz at 45-99.9Hz 1Hz at 100-500Hz Copyright © Itech Electronics Co., Ltd.
  • Page 48 ±(0.05% per degree from 25℃) GENERAL Memory 10 memories Sync Output Signal Output Signal 5V,BNC type Interface(Option) LAN,USB,RS232,GPIB Operation Environment 0-40℃/20-80%RH Dimension 19" 3U Weight 37Kg Model IT7324 INPUT Phase Voltage 220Vac±10% or 110Vac±10% Copyright © Itech Electronics Co., Ltd.
  • Page 49 Temp. coefficient ±(0.04% per degree from 25℃) L:120.0mA * Range M:1.200A * H:12.00A * L:0.1mA Resolution M:1mA Current(rms) H:10mA L:±(0.2%+0.6mA) Accuracy M:±(0.2%+6mA) H:±(0.2%+80mA) Temp. coefficient ±(0.04% per degree from 25℃) Range 0-48A Current(peak) Resolution 0.01A Copyright © Itech Electronics Co., Ltd.
  • Page 50 1Φ/2W Total Harmonic Distortion(T.H.D) ≤1% at 45-500Hz (Resistive Load) Crest Factor Line Regulation 0.1% max for a ±10% line change Load Regulation ≤0.5%FS(Resistive Load) Response Time <100uS SETTING Voltage Range 0-500V High, 250/500V Auto Copyright © Itech Electronics Co., Ltd.
  • Page 51 Power M:±(0.2%+2W) (47HZ-65HZ) Accuracy H:±(0.2%+10W) (47HZ-65HZ) Temp. coefficient ±(0.05% per degree from 25℃) GENERAL Memory 10 memories Sync Output Signal Output Signal 5V,BNC type Interface(Option) LAN,USB,RS232,GPIB Operation Environment 0-40℃/20-80%RH Dimension 19" 3U Weight 37Kg Copyright © Itech Electronics Co., Ltd.
  • Page 52 0-360° Phase Angle Resolution 0.1° Accuracy ±1°(45-65Hz) MEASUREMENT Range 0-300V Resolution 0.1V Voltage(rms) Accuracy ±(0.2%+0.6V) Temp. coefficient ±(0.04% per degree from 25℃) L:120.0mA * Range M:1.200A * H:24.00A * Current(rms) L:0.1mA Resolution M:1mA H:10mA Copyright © Itech Electronics Co., Ltd.
  • Page 53 INPUT Phase Voltage 220Vac±10% Frequency 47-63Hz Max.Current Power Factor 0.7(typical) AC OUTPUT Max.Power 3000VA 0-250V Max Current(rms) 0-500V 0-250V Max Current(peak) 0-500V Phase 1Φ/2W Total Harmonic Distortion(T.H.D) ≤1% at 45-500Hz (Resistive Load) Crest Factor Copyright © Itech Electronics Co., Ltd.
  • Page 54 ±(0.05% per degree from 25℃) L:0.01W Resolution M:0.1W H:1W L:±(0.2%+0.2W) (47HZ-65HZ) Power M:±(0.2%+2W) (47HZ-65HZ) Accuracy H:±(0.2%+10W) (47HZ-65HZ) Temp. coefficient ±(0.05% per degree from 25℃) GENERAL Memory 10 memories Sync Output Signal Output Signal 5V,BNC type Interface(Option) LAN,USB,RS232,GPIB Copyright © Itech Electronics Co., Ltd.

  • Page 55: Supplemental Characteristics

    When Ipeak<80%(3Arms),the current switch from high range to Middle range(H to M). The above specifications may be subject to change without prior notice. 4.2 Supplemental characteristics  State storage capacity 10sets  Recommended calibration frequency once a year  Cooling style fans Copyright © Itech Electronics Co., Ltd.

  • Page 56: Chapter5 Remote Control

    Remote Control Chapter5 Remote Control IT7300 series AC source has four standard communication interface: LAN RS232, USB, GPIB. IT7321 has standard communication interface LAN/USB/RS232 You can choose any one of them to communicate with 5.1 RS232 interface There is a DB9 connector at the rear of the power supply, when connect to computer, you need to select a cable with COM port on both side;...

  • Page 57: Usb Interface

    When the interface receives MsgID = TRIGGER USBTMC command, it will transmit the TRIGGER command to the function layer The functions of power supply’s USB488 are as follows:  receive all SCPI commands  device is SR1 enabled  device is RL1 enabled Copyright © Itech Electronics Co., Ltd.

  • Page 58: Lan Interface

    (Menu) to enter the system menu to set the address. The address range of power supply is 0-31.After you set the address, please press button to confirm, GPIB address is saved in nonvolatile memory. Copyright © Itech Electronics Co., Ltd.
  • Page 59 Contact US Thank you for purchasing ITECH products. If you have any doubt about this product, please contact us as follow. 1. Please refer to the CD-ROM of related user’s manual in package. 2. Visit ITECH website www.itechate.com 3. Select the most convenient contact for further consultation.

This manual is also suitable for:

It7322hIt7324It7322It7324hIt7326It7326h

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