ITech IT7300 Series User Manual
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ITech IT7300 Series User Manual

Programmable ac power supply
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IT7300 User Manual
USER MANUAL
Programmable AC Power Supply
IT7300 Series
Model IT7321/IT7322 /IT7324/IT7326/IT7322H/IT7324H
© Copyright All Rights Reserved
Ver1.3/Dec, 2013/ IT7320
User Manual
1

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Summary of Contents for ITech IT7300 Series

  • Page 1 IT7300 User Manual USER MANUAL Programmable AC Power Supply IT7300 Series Model IT7321/IT7322 /IT7324/IT7326/IT7322H/IT7324H © Copyright All Rights Reserved Ver1.3/Dec, 2013/ IT7320 User Manual...

  • Page 2: Table Of Contents

    IT7300User Manual IT7320 Series Programmable AC Power Supplies ............3 Security ..........................3 Security regulation ......................3 Safety symbols ........................3 Certification and Quality Assurance ................. 3 Introduction ........................... 5 Chapter1 Inspection and Installation ..................6 1.1 Inspection ..............................6 1.2 Dimension ..............................

  • Page 3: It7320 Series Programmable Ac Power Supplies

    IT7300 User Manual IT7320 Series Programmable AC Source Security Please do not install replacement parts in the instrument, or perform any unauthorized modification. Please send the instrument to our company’s maintenance department for maintenance, to ensure its security features. Please refer to the manual for specific information warning or precautions to avoid personal injury or equipment damage.

  • Page 4: Warranty Service

    IT7300User Manual Warranty Service For the warranty service or repair the product, the product must be returned to the designated maintenance units. Return the product to us for warranty service, the customer should pre-pay the one-way Freight to the maintenance department. And our company is responsible for the return shipping cost.

  • Page 5: Introduction

    IT7300 User Manual Introduction IT7320 series sets up the new standard for high performance AC power source.It equips with all powerful features such as power line disturbance (PLD) simulation, Dimmer and comprehensive measurement functions.With a compact and standard size of 2U.IT7320 series has built-in LAN/RS232/USB/GPIB communication interface (except IT7321, IT7321 is equipped with LAN/RS232/USB communication interface).These features make the IT7320 series ideal for commercial,power electronics and military test applications from...

  • Page 6: Chapter1 Inspection And Installation

    When you receive your AC source,inspect it for any obvious damage that may have occurred during shipment.If there is damage,notify the shipping carrier and the nearest ITECH Sales and Support Office immediately. 2.Accessories Make sure you receive the AC source and the following accessories at the same time, if any is missing, please contact your nearest support office.

  • Page 7: Dimension

    IT7300 User Manual 1.2 Dimension 1. IT7321 power supply’s dimension: 214.5mmW×88.2mmH×453.5 mmD (W:width H:height D:depth) * refer to the Dimension below: Unit：millimeter User Manual...
  • Page 8 IT7300User Manual 2. IT7322/IT7322H/IT7324/IT7324H power supply’s dimension: 439mmW×131.4mmH×535.7 mmD (W:width H:height D:depth) * refer to the Dimension below: Unit：millimeter User Manual...
  • Page 9 IT7300 User Manual 3. IT7326 power supply’s dimension: 437mmW×267mmH×608.30mmD (W:width H:height D:depth) * refer to the Dimension below: User Manual...
  • Page 10 IT7300User Manual Unit:millimeter(mm) User Manual...

  • Page 11: Chapter2 Quick Start

    IT7300 User Manual Chapter2 Quick start This chapter introduces the front panel, the rear panel, key functions and VFD display of the AC source.Make sure that you can quickly know the appearance, instruction and the key function before you operate the power supply, Help you make better use of IT7320 series. 2.1 Front and Rear Panel The front panel of IT7321 ①...
  • Page 12 IT7300User Manual The front panel of IT7326 VFD display ① ② Rotary knob ③ Power button ④ Compound key, the local switch key and power switch ⑤ Numeric keys and ESC ⑥ Function keys ⑦ UP, DOWN, LEFT and RIGHT key ⑧...
  • Page 13 IT7300 User Manual The rear panel of IT7322/IT7322H/IT7324/IT7324H The rear panel of IT7326 ① LAN communication interface ② RS232 communication interface ③ USB communication interface ④ Cooling fans ⑤ AC power socket ⑥ Output terminals ⑦ BNC terminal ⑧ GPIB communication interface ⑨...

  • Page 14: Front-Panel Operation Overview

    IT7300User Manual 2.2 Front-panel Operation Overview Key description, see the table below： Name and the function Keys The shift key is used to select the alternate operation of a Shift key,indicated by the word under the key Local buton, switch from remote mode to local operation mode Local Power on key Power...

  • Page 15: Vfd Indicator Description

    IT7300 User Manual 2.3 VFD Indicator Description VFD indicator function description as follow: Char Char Function description Function description OVP/OTP/OCP/OPP Output is off Prot Protection The AC source is in remote Auto change the voltage range Auto mode Service request Dimmer function is enabled The power supply has an error Shift button is pressed...

  • Page 16: Chapter3 Power On Check

    IT7300User Manual Chapter3 Power on check This chapter will introduce the procedure of power on check, including pre-check and output check, to make sure the IT7320 series AC source can power on and work normally on the original state. 3.1 power on checkout Before operate the AC source, please read the following safety guide: Warning：The power supply is shipped from the factory with a power-line cord that has a plug appropriate for your location.

  • Page 17: System Self-Test

    IT7300 User Manual 3) Verify that the correct power-line fuse is installed. If the fuse was damaged, please replace the fuse with same specification for your power supply 4) How to exchange the fuse Remove the AC power cord and open the plastic cover located at the AC power inlet,then you will see the fuse.

  • Page 18: Output Checkout

    0.0S power factor output time power Note:Under the screen of displaying “ITECH IT7321”,press On/Off button will quit the and entry the normal working screen.Or it will automatically done the same operation after 7s without any operation. 3.2 Output Checkout The following procedures check to ensure that the AC source develops its rated outputs and properly responds to operation from the front panel.

  • Page 19: Chapter4 Technical Specification

    IT7300 User Manual Chapter4 Technical specification This chapter will introduce the main technical parameters of IT7300,such as rated voltage/current/power and so on. Besides, this part will introduce the working environment and storage temperature. 4.1 Specification Model IT7321 AC INPUT Phase Voltage 220Vac/110Vac±10% Frequency...
  • Page 20 IT7300User Manual Resolution L:0.01W/ M:0.1W/ H:1W Power L: ±(0.2%+0.05W) (47HZ-65HZ)/ M: ±(0.2%+0.5W) (47HZ-65HZ) Accuracy / H: ±(0.2%+2W) (47HZ-65HZ) OTHER SPECIFICATION Memory 10 memories Sync Output Signal Output Signal 5V, BNC type Interface LAN, USB, RS232 Operation Environment 0-40 /20 -80%RH ℃...
  • Page 21 IT7300 User Manual Resolution 0.01A Accuracy ±(1% + 360mA) Resolution L:0.01W/ M:0.1W/ H:1W Power L: ±(0.2%+0.2 W) (47HZ-65HZ)/ M: ±(0.2%+2W) (47HZ-65HZ) Accuracy / H: ±(0.2%+6W) (47HZ-65HZ) OTHER SPECIFICATION Memory 10 memories Sync Output Signal Output Signal 5V, BNC type Interface LAN, USB, RS232, GPIB Operation Environment 0-40℃/20-80%RH...
  • Page 22 IT7300User Manual Resolution L:0.1mA/ M:1mA/ H:10mA Accuracy L: ±(0.2%+0.6mA)/ M: ±(0.2%+6mA)/ H: ±(0.2%+80mA) Range 0-48A Current(peak) Resolution 0.01A Accuracy ±(1% + 360mA) Resolution L:0.01W/ M:0.1W/ H:1W Power L: ±(0.2%+0.2W) (47HZ-65HZ)/ M: ±(0.2%+2W) (47HZ-65HZ) Accuracy / H: ±(0.2%+10W) (47HZ-65HZ) OTHER SPECIFICATION Memory 10 memories Sync Output Signal...
  • Page 23 IT7300 User Manual Resolution 0.1V Accuracy ±(0.2% + 0.6V) Range L:120.0mA/ M:1.200A/ H:24.00A Resolution Current(rms) L:0.1mA/ M:1mA/ H:10mA Accuracy L: ±(0.2%+0.6 mA)/ M: ±(0.2%+6mA)/ H: ±(0.2%+100mA) Range 0-96A Resolution Current(peak) 0.01A Accuracy ±(1% + 360mA) Resolution L:0.01W/ M:0.1W/ H:1W Power L: ±(0.2%+0.2W) (47HZ-65HZ)/ M: ±(0.2%+2W) (47HZ-65HZ) Accuracy / H: ±(0.2%+15W) (47HZ-65HZ)
  • Page 24 IT7300User Manual 1Hz at 100-500Hz Accuracy 0.1HZ Range 0-360° Phase Resolution 0.1° angle Accuracy ±1°(45-65Hz) Measuring Range Range 0-500V Resolution Voltage 0.1V Accuracy ±(0.2% + 1.2V) Range L:120.0mA/ M:1.200A/ H:3.00A Current Resolution L:0.1mA/ M:1mA/ H:10 mA （rms） Accuracy L: ±(0.2%+0.6mA)/ M: ±(0.2%+6mA)/ H: ±(0.2%+40mA) Range 0-12A Current...

  • Page 25: Supplementary Parameters

    IT7300 User Manual Accuracy ±(0.2% +0.6V) Range 45-500Hz 0.1Hz at 45-99.9Hz Resolution Frequency 1Hz at 100-500Hz Accuracy 0.1HZ Range 0-360° Resolution Phase Angle 0.1° Accuracy ±1°(45-65Hz) Readback Range 0-500V Resolution 0.1V Voltage Accuracy ±(0.2% + 0.6V) Range L:120.0Ma/ M:1.200A/ H:6.00A Resolution Current(rms) L:0.1mA/ M:1mA/ H:10 mA...

  • Page 26: Chapter5 Basic Operation

    IT7300User Manual Chapter5 Basic Operation This chapter introduce the basic operations of IT7320 series AC sourece,including the following parts:  Local/remote mode  Voltage setup  Frequency setup  Phase angle setup  Output on/off operation  Switch the VFD display items ...

  • Page 27: Frequency Setup

    IT7300 User Manual 5.3 Frequency Setup 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. The first way: press ,adjust cursor location through button, pressing...

  • Page 28: Switch The Vfd Display Items

    IT7300User Manual 5.6 Switch the VFD display items 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 apparent power,peak current,output time 0.0V 0.0mA...

  • Page 29: Trigger Operation

    IT7300 User Manual Recall operation Recall press button.You’ll be prompted for a register number.Enter a number between 0 and 9,then press the Enter key.The setting are recalled. 2.0V 0.0mA 50.0 Recall data bank=0 0.0S 5.8 Trigger operation IT7320 series AC source has three kinds of trigger modes.They are Manual,BUS and EXTEN.
  • Page 30 IT7300User Manual Select RS232 RS232(Def) RS232 interface Available range from GPIB Address 0-31 4800,8,N,1 Set Baud rate,data 9600,8,N,1 bit,odd-even 19200,8,N,1 check,stop bit and 38400,8,N,1 address 57600,8,N,1 Select USB interface Select LAN interface Gateway=192.168.0.1 Set gateway, IP IP=192.168.0.125 address, mask Mask=255.255.255.0 address and port.

  • Page 31: Menu Function

    IT7300 User Manual Turn on or turn off three-phase output function. Disable/Enable To achieve this function,user need to combine three units. PRODUCT Power information INFO: ERROR For look up error information INFO: Info PRODUCT INFO: Instrument type/Firmware version IT7321 Ver:0.01~0.0 5.9.2 Menu function 1.

  • Page 32: Config Menu

    IT7300User Manual Trigger source The power supply supports 2 different trigger modes (Manual and Bus) for LIST test. When Manual mode is enabled, you can generate an immediate trigger pulse by presing Enter (Shift)+ （Trigger）.When bus function is enabled, you can trigger the power supply by sending a Trigger command to the power supply.The default set is Manual Communication There are three types of communication interfaces available:RS-232,USB and LAN.You can...

  • Page 33: Function Operation

    IT7300 User Manual 5.10 Function operation 5.10.1 Sweep 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 initial voltage, final voltage, step voltage, initial frequency, final frequency, step frequency and one-step time.
  • Page 34 IT7300User Manual >Recall sweep file STEP OPERATION VFD DISPLAY SWEEP Press multiple keys (Shift) Sweep) to menu Edit Recall Disable operation Enter Press right arrow key then press key to RECALL SWEEP confirm when Recall key is shining. Recall Sweep=0 Press numeric key to select needed recall file and SWEEP Enter...

  • Page 35: List Operation(List )

    IT7300 User Manual 5.10.2 List operation With List operation applied to the alternating power supply, alternating waveform sequences in various ranges may be output. The surge/trapped wave may be added as required to simulate fluctuation of network voltage so as to evaluate the test result of the instrument under such situation.
  • Page 36 IT7300User Manual >Edit LIST File Steps Operation VFD display LIST Press (Shift) List) button,select Edit Recall Disable Enter Edit,press to confirm. Press numeric key,set the step STEP COUNT Enter counts(range:1~100),press to confirm. Step Count=0 Press numeric key,set number of LIST REPEAT Enter cycles(range:1~1000),press to confirm.
  • Page 37 IT7300 User Manual > Set LIST State steps operation VFD display LIST Press (Shift) List) to entry the List menu. Edit Recall Disable Press right key to select Disable,when it flicker,press LIST Enter up/down key to select Enable,and press Edit Recall Enable confirm.Now the List mode is enabled.Escape menu,the front panel will display “LIST 0”.

  • Page 38: Dimmer

    IT7300User Manual 5.10.3 Dimmer The leading and lagging edge of the waveform can by concealed and the phase angle set with Dimmer function to regulate the active power, thus adjusting the lighting intensity. Dimmer of leading edge: Dimmer of lagging edge: Dimmer operation: >...

  • Page 39: Output Range

    IT7300 User Manual > Set phase angle and start test Press compound key (Shift) ）and （*Dimmer 9.0V 0.0mA 50.0 enter menu operation Dimmer=30.0° Enter Press numeric key to set angle, press confirm. Also you can adjust angle by knob to view real-time waveform changes along .
  • Page 40 . Press ESC key to exit menu. 5.14 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.3-phase output includes two connection types of “Y” or “Delta”. User Manual...
  • Page 41 IT7300 User Manual Y type connection: Delta connection: User Manual...
  • Page 42 IT7300User Manual SYSTEM BUS： User need to connect three units together via a straight network cable. Please see figure above. 3-phase configuration: (1)Configure phase line of each unit.For example,specify the #1-IT7324 to A phase,#2-IT7324 is set to B phase and #3-IT7324 is set to C phase. (2)The phase-A unit will search B-phase and C-phase units automatically.

  • Page 43: Chapter6 Remote Operation Mode

    IT7300 User Manual Chapter6 Remote Operation Mode IT7320 series AC source has three standard communication interface: RS232, USB, LAN.You can choose any one of them to communicate with PC. 6.1 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 44: Usb Interface

    IT7300User Manual RS-232 Troubleshooting: In case of connection failure of RS232, perform following check: Check if the computer and power supply are provided with same Baud rate, parity check bit, data bit and flow control. The power supply shall be configured with one start bit (fixed) and one or two stop bits.

  • Page 45: Lan Interface

    IT7300 User Manual 6.3 LAN interface Press (Shift) + (Menu) on the front panel together to access the menu. Select LAN in the Communication from System and then configure Gateway, IP, Mask and SocketPort in the LAN option. Connect the LAN interface of power supply to the computer with a reticle (crossed). 6.4 GPIB interface Use a IEEE488 bus to connect GPIB interfaces of power supply and PC.
  • Page 46 1 Check the documentation that come with the product 2 Visit the ITECH online service Web site is www.itechate.com ,ITECH is available to all ITECH customers. It is the fastest source for up-to-date product information and expert assistance and includes...

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