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USER MANUAL

1. China America Canada Europe England IT E171 IT E172 IT E173 IT E174 User Manual 6 KS TECH 1 2 Dimension 1 177321 power supply s dimension 214 5mmWx88 2mmMHx453 5 mmD W width H height D depth refer to the Dimension below 214 5 EE Jee I II O oo00 oo E CO oo WR Le GE O ln d S T 7300 User Manual d menca K SS All ES ss SS Unit millimeter User Manual 2 117 322 117324 power supply s dimension 439mmWx131 4mmHx535 7 mmD W width H height D depth refer to the Dimension below T RSS ME AMA LA User Manual 8 ITECH 1T7300 User Manual Unit millimeter 3 117326 power supply s dimension 437mmWx26 7mmHx608 30mmD W width H height D depth refer to the Dimension below o OOOO DO A o 90000 OO CD OOOO DO V a oo L a ele User Manual IT7300User Manual User Manual 10 ITECH IT7300 User Manual i k S q Unit millimeter mm 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 117320 series 2 1 Front and Rear Panel The front panel of IT7321 User Manual The front panel of IT7322 IT7324 T Q VFD display CUP DOWN LEFT and RIGHT 2 Rotary knob key Com
2. 10 memories Output Signal 5V BNC type LAN USB RS232 GPIB Memory Sync Output Signal Interface u D u u D u s User Manual S T ECH st 00Us er Manual 437MMWx267mmHx608 30mMmD Weight 105kg Description about the switch of current range When switch from low to high level L to M M to H happened at the condition of Ipeak gt 300 Full rms When Ipeak gt 300 Full rms the current switch from low range to high range L to M M to H When Ipeak lt 20 Full rms the current switch from high range to low range H to L When Ipeak lt 80 Full rms the current switch from high range to Middle range H to M 4 2 Supplementary parameters Memory 10 groups suggested calibrationfrequency 1time year Radiating mode Fans Operation temperature O to 40 C Storage temperature 20 to 70 PC Humidity Max humidity 80 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 Save recall operation Trigger operation Menu operation Switch output voltage range Key lock function User Manual 24 ITECH IT7300 User Manual e BNC terminals function 5 1 Local Remote Mode Press the local button SL Change the AC source from remote to local operation After you povver on the AC source it defaults in local mode
3. all buttons are enabled While in remote mode most buttons are disabled except Shift and Local Reys in addition the mode modificaton will not effect the output parameters 5 2 Voltage Setup You can set voltage within the range of rated voltage value When you press button the button will be lit This indicates that you can set voltage There are three ways to set output voltage through front panel The first way press Molt adjust cursor location through Ga I button pressing A and Y will enable you to increase or decrease the setting voltage value The second way press vot adjust cursor location through LCA T button adjust rotary Rnob to change the setting voltage value The third vvay press button and numeric Key to to set voltage value 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 FREQ adjust cursor location through Ca P button pressing A and Y will enable you to increase or decrease the setting frequency value The second way press FREQ adjust cursor location through Ca button adjust rotary knob Y to change the setting frequency value The third way press button and numeric Key to to set frequency value a User Manual 5 4 Phase Angle Setup You can set the starting and stop phase angle within range
4. interface for AC phase synchronization Output interface for on off state interface gi del Current peak protect point Ipeak Protect 12 000A _ Set Current peak protect point Dimmer DIMMER Phase dimmer LeadinaEdae LeadingEdge Phase dimmer function TrailingEdge TrailingEdge Phase dimmer function Disable Phase dimmer function LIST mode is used to simulate the povver line On off Enable List function Press Shift Enter Trigger to give a trigger signal Configure phase line of each unit IT7321 do C Phase not support this function 39 Setup penr Turn on or turn off three phase output function Disable Enable To achieve this function user need to combine three units INFO INFO PRODUCT INFO 177321 Instrument type Firmware version Ver 0 01 0 0 1 5 9 2 Menu function 1 System menu Initialize the system menu relative factory default setup as follows e User Manual RS232 Power On This parameter determines the state of the AC source after power up lf you select Rst the default output parameter settings will be active after power up The default setup is OV 50HZ 0 and O If you select SavO then the AC source will automatically recall the output parameters setting saved in 0 register Note please save these parameters in memory0 according to 5 7 Power Out This parameter sets the output on off state at power up If you select Last the AC source will save the output state prior to power down and
5. ng Numeric keys O O O Number 7 Sweep function key List Number 8 List function key Dimmer Number 9 Dimmer function key Escape key lt can be used to exit keyboard entry or move up a level in the menu Set the voltage value Switch the voltage range between high range Volt Welt High Auto and Auto range mode Phase Set the frequency set the phase angle Save cates Ue memory Store the AC source GH ors Swot and poverfasofenty teem sou DE Pet Trigger sees E on Dept id Output on off keys control power output state keypad lock On Off l Lock function keys used to lock the panel buttons Ca TR Left and right direction keys used to set the value to adjust the cursor to the specified location Up and down keys used to turnover the item in the menu or increase decrease the output voltage or current values 2 3 VFD Indicator Description VED indicator function description as follow Char Function description Function description OVP OTP OCP OPP Output is off G rotection pmt EE WE Aus Auto change the voltage range mode Error The power supply has an error Shit Shift button is pressed Awaiting for a trigger signal Key operation is locked S User 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 IT 7320 series AC source can power on and work normally on the Original state 3 1 powe
6. 10 line change lt 0 5 FS Resistive Load SETTING nia 0 1Hz at 45 99 9Hz Frequency READBACK vols Current rms REES M imA H10mA ET L 0 2 0 4mA M 0 2 4mA H 0 2 20mA panes Current peak Accuracy 1 120mA Resolution L 0 01W M 0 1W H 1W Power L 0 2 0 05W 47HZ 65HZ M 0 2 0 5W 47HZ 65HZ y H 0 2 2W 47HZ 65HZ OTHER SPECIFICATION 10 memories Output Signal 5V BNC type LAN USB RS232 0 40 C 20 8050RH 214 5mmVVx88 2mmHx453 5mmD 9 5kg Memory Sync Output Signal Interface Operation Environment Dimension Weight Model O T7322 AC INPUT D I ia H o D s I KI Di D s ech p Voltage 110Vac 10 220Vac 10 User Manual 20 ITECH IT7300 User Manual AC OUTPUT Total Harmonic A 0 C output Distortion T H D lt 0 5 at 45 500Hz Resistive Load Crest Factor 0 1 max for a 10 line change lt 0 5 FS Resistive Load SETTING T READBACK Voltage Current rms RER M imA Sen At L 0 2 0 4mA M 0 2 4mA H 0 2 20mA Range Current peak Accuracy 1 120mA L 0 01W M 0 1W H 1W Power Accuracy L 0 2 0 05W 47HZ 65HZ M 0 2 0 5W 47HZ 65HZ d H 0 2 2W 47HZ 65HZ OTHER SPECIFICATION 10 memories Output Signal 5V BNC type LAN USB RS232 GPIB 0 40 C 20 8050RH 439mmWx131 4mmHx535 7 mmD 40kg Memory Sync Output Signal Interface Operation Environment Dimensio
7. Min Frequency lower limit setting Freq Max Frequency upper limit setting Irms Protect Current RMS upper limit setting lpeak Protect Peak Current upper limit setting 3 Instrument information Step Operation NED display Drees Shift Menu to enter menu MENU System Config Info operation press right direction key to select INFO pressCEnter PRODUCT INFO IT7321 Ver 0 06 0 06 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 The one step time may be indicated in seconds minutes or hours A maximum of 10 files may be stored As the test closes voltage frequency and current at the maximum power point may be displayed gt Edit sweep file Note In the following operations up and down keys are used to turn over steps but not to User Manual increase or decrease value When up arrow appears in the lower left corner you can press the up key to jump to the previous step When down arrow appears in the lower right corner press down key can entry the next step STEP OPERATION VFD DISPLAY Press P Shift Sweep to enter men SWEEP h ne ven Edit Recall Disable ope Press to conf
8. The surge trapped wave test of LIST may be manually triggered to control the start time of the surge trapped wave Operation 1 Press Shift Menu to entry the menu Then the system will keep flickering press Entento confirm 2 Press right key to select Trigger When selected trigger item will be twinkling Press Emer o confirm 3 Press right Rey to select Manual and pressCEnter io confirm gt Edit LIST File Steps Operation VED display Press Shift List button select aie ee Edit press Enter to confirm ecall Disable zo Press numeric key set the step counts range 1 100 p regs CED to confirm Step Count 0 Press numeric key set number of LIST REPEAT 7 cycles range 1 1000 press CEnter to confirm 4 Set the first step voltage and press Enter to confirm LIST VOLTAGE User Manual 34 ITECH IT7300 User Manual Step 0 Voltage 0 0V Set the first step frequency and press EnterDto LIST FREQUENCY confirm Step 0 Frequency 0 0Hz Set the slope 0 1 999 9 press Ente to confirm LIST SLOPE Step 0 Slope 0 0S Set the time unit S min hour press Ente to confirm DWELL UNIT Second Minute Hour Set delay time 0 1 999 9 pressCEnter to confirm LIST DWELL Step 0 Dwell 0 0S Disable or enable the surges or trap SD STATE state press Ente to confirm If select Disable then Disable Enable do nothing for step10 step12 Press left right key to set whether create SD CONTINUE Surges wave traps contin
9. entry the normal working screen Or it will automatically done the same operation User Manual 18 ITECH IT7300 User Manual 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 The following steps verify basic voltage functions without load 1 Turn on the AC source Press and numeric Rey to set a effective voltage pressCEnteD to confirm 3 Press and numeric Rey to set the frequency press Eer to confirm Press DD to turn on the output NO N Note When Op button is lit which means the output is ON Meanwhile indicator light of OFF on VFD will disappear 5 check the output waveform with a oscilloscope set different voltage and check wether the disiplayed voltage is close to setting voltage 6 Ensure that the voltage can be adjusted from zero to the full rated value 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 Moet THR AC INPUT Voltage 110Vac 10 220Vac 10 13 User Manual 1 TE Povver Factor 0 5 typical AC OUTPUT otal Harmonic ge A 0 45 500Hz H C output Distortion T H D lt 0 5 at 45 500Hz Resistive Load Crest Factor 0 1 max for a
10. in short circuit the status of AC source is On when the circuit is open the status of AC source is OFF User Manual 38 kil TECH IT 7300 User Manual 2 Output signal O Sync as synchronizing signal of alternating phase O On as status signal for On Off When the status of AC source is ON the terminal will output high level when the status of power supply is OFF the terminal will output low level Before using BNC terminal you need to define its function firstly by following steps below Press multiple key Shift Menu to MENU System Config Info menu operation Press right arrow key and select config press CONFIG key when Config is shining V Min V Max gt 9 Press right arrow key to BNC Set and press BNC PORT SETUP key when BNC Set is shining l Trigger l On O Phase O On gt Press left and right arrow keys to select interface function and press CEnter Press ESC Rey to exit menu 5 14 39 Setup T7300 series except 11 8321 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 Y type connection SS User Manual A SYSTEM BUS User need to connect three units together via a straight network cable User Manual 40 ITECH IT7300 User Manual Please see figure above 3 phase configuration 1 Configure phase line of each unit For example specify the
11. it will begin to run Meanwhile you will see Enter button keep flickering The output will vary according to the edited steps PressOn O button can quit the running state of List file gt Quit LIST Mode Steps Operation T VED display e Press P Shitt List to entry the List menu abe Press Shift List to Press P Gute iList to entry the List menu the List menu abe Recall Enable Press right key to select Enable when it flicker oress LIST up down key to select Disable and W TT Edit Recall Disable confirm gt Recall LIST Mode When several List files are stored into the non volatile memory user can recall the assigned file by Recall operation Steps Operation NED diapla shitt Oli he Li LIST Riz Shift List button to entry the List Ei Recall Dicole Press right key to select Recall when it RECALL LIST flicker press ENED to confirm Press the file number Recall List 0 to recall the assigned file PressCEnter to confirm When recall successfully the VFD will display Recall LIST data success Edit Recall Disable After recall olease enable the LIST state then quit the menu and press ON OFF to trigger the execution 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 eS ITECH IT7300 User Manual Dimmer of
12. may lead to human casualties Notes It reminds the user of some operating procedures practices conditions and other matters that may result in instrument damage or data lose for ever Connect it to safety earth ground using the wire recommended in the user manual The symbol on an instrument indicates that the user should refer to the operating instructions located in the manual A High voltage danger Certification and Quality Assurance T7320 series programmable AC power supply fully meet all of the technical specification in the manual Warranty Our Company gives one year warranty for the materials and manufacturing of the product since the date of shipment S User Manual Warranty Service For the vvarranty service or repair the product the product must be returned to the designated maintenance units Return the product to us for vvarranty service the customer should pre pay the one vvay Freight to the maintenance department and our company is responsible for the return shipping cost lf products are returned from other countries for maintenance service then the customer should pay all freight duties and other taxes Guarantee limit The guarantee does not apply to the damage caused by the following conditions Improper or inadequate maintenance to the products by customer Customers use their own software or interface Unauthorized modification or misuse Operate this product not in the specified environment or
13. 1 IT7324 to A phase 2 T7324 is set to B phase and 43 11 324 is set to C phase 2 The phase A unit will search B phase and C phase units automatically 3 Press 7 Shitft Menu to enter the menu operation press right key to select CONFIG then press CEnter button to confirm 4 Press right key to select 39 Setup then press enter to configure the A B C phase OFF 39 Setup A Phase Disable Tvvo parameters need to be set from the menu to enable this function A Phase B Phase C Phase Configure the phase line of each unit Disable Enable Turn on or turn off 3 phase function Chapter6 Remote Operation Mode User Manual 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 To active communication you need to enable the settings in menu to be the same with the PC communication configuration Note The RS232 settings must match the settings in front panel system information If any change please press gt Shitft Select Menu key to modify the menu SYST SET COMM RS 232 data format RS 232 data is a 10 bit word with one start bit and one stop bit The number of start bit is not programmable Stop bit is selectable between 1 amp 2 Besides you can set the parity bit in the menu using
14. ITECH IT7300 User Manual USER MANUAL Programmable AC Power Supply IT7300 Series Model IT7321 1T7322 IT7324 IT7326 O Copyright All Rights Reserved Ver1 3 Dec 2013 117320 User Manual IT7320 Series Programmable AC Power Supplies eee ee ee ee ee e 3 SEC UNE orreri EEEE EEE EEE E EEE EE EE EE EEEE AEO EEEE sits itin 3 SO CUMIN MECC AU oN soroen eE temia 3 Sally EC e E 3 Certification and Quality Assurance see ee ee ee eee 3 MVE eie le lel EE 5 Chapter Inspection and Installation css eee ee D Bir sene 6 NE AMS a 7 BE ere Re T dE 11 ZV Ron and Rear ET EE 11 2 2 Front panel Operation OVerYIeWw see eee 14 229 Vir EAC CS OD CIO I E 15 gel 6 21 FOW EE 16 Sal DOWEL OM CCC e EE 16 SE ad OW EE Oli IS TR ee UT 1746 Le DV SO SOUS EEN 1817 SE ENT CSCO AV EE 1918 Chapter4 Technical spoecircaion see eee eee 19 iV SEC INC AU DE 19 ee UE un ET Me CC 2423 Bue Ee Ee ON AO BEE 24 5 1 LOCAL Remote ee CS 2524 5 2 Voltage Setup 00 0 eee 2524 E FICQUERECI SE U e EE 25 5 4 Phase Angle Setup ss sso sseossoseooosso1osenosssoesotesetoettbsetebstobbatebstbbsa tebat tbsntba teba neban ens tenan onnannsnennrennns 2625 SPOP OTOT OPET e 2625 5 0 SWITCM INE VFD display HEMS cetieentemnstentasmntntmaentmetamnnntmnntmetmststametstutat 26 5 7 Save and recall operation 2726 eHe LsL eel 27 5 9 Menu Operaion bttb bnt bbn b bano nnb b n bn Aona EnEn An AnaS nrn Enrons nennen 2827 DO Menu desc
15. aches 999 9 m the timing will be displayed in hours h 5 7 Save and recall operation IT7320 series AC source provides10 non volatile registers to save instrument settings for recall later Each operating state includes preset voltage preset frequency starting and stop phase angle output range level and dimmer phase angle Press Shift Save key to recall save settings Save operation To save the instruments settings to a register press shift e Save You ll be prompted for a register number Enter a number between O and 9 then press the Enter key The setting are saved OFF 2 0V 0 0mA 50 0 Save data bank 0 0 0S Recall oP eration press Recall 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 OFF 2 0V 0 0mA 50 0 Recall data bank 0 0 0S 5 8 Trigger operation T7320 series AC source has three kinds of trigger modes They are Manual BUS and EXTEN Trigger modes 1 To use front panel trigger mode first set the trigger source as Manual Press shift Enter trigger to start panel trigger mode 2 The BNC trigger connectors on the rear panel let you apply trigger signals to the AC af User Manual source To use external trigger mode first set the trigger source as EXTERN 3 To use BUS trigger mode first set the trigger source as BUS Connect AC source by USB RS 232 or LAN communication interface When the TRIG command is receive
16. at the wrong place configuration and maintenance Damage from customer self installation of circuit or defects due to customers use their products Product model or serial number of the fuselage has been altered deleted removed or made illegible Damage caused by accidents including but not limited to lightning water fire abuse or neglect Vv Vv Y VV WV Notice lf the contents of this manual is subject to change we will not notice additionally User Manual 4 ITECH 1T7300 User Manual Introduction T7320 series sets up the new standard for high performance AC power source lt 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 11 320 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 T7320 series ideal for commercial oower electronics and military test applications from bench top testing to mass production Features High accuracy and resolution Compact and standard size 300VA A 2U Programmable frequency 45HZ 500HZ Display Vrms rms lpeak frequency PF apparent power and active power simultaneously IEC61000 4 11 IEC 61000 4 14 IEC 61000 4 28 voltage dips and frequency variation simulation Power line disturbance simulation capability Programmable voltage and current limit settings Dimmer f
17. d the AC source will produce a trigger signal 5 9 Menu Operation 5 9 1 Menu description Press o Shift Menu to enter menu View the menu on the VFD and use the direction keys or the knob to scroll through the complete menu listed below Press CL Enter io enter the selected menu function press to return to the previous menu Int OO i Initialize system menu POWER ON PARAMENT Set the Power ON OFF state after power up Communica tion Communication interface and parameter setting RS232 Select RS232 interface 4800 8 N 1 9600 8 N 1 Set Baud rate data bit odd even 19200 8 N 1 38400 8 N 1 check stop bit and 57600 8 N 1 address USB Select USB interface LAN Select LAN interface Gateway 192 168 0 1 IP 192 168 0 125 COMMUNICATION ee dg ig Buzzer BUZZER T Set buzzer state O OZ On Def Off Trigger TRIGGER SOURCE Marval Def Syste xtern RS232 Def Set gateway IP address mask address and port Mask 255 255 255 0 Socket Port 30000 CONFIG Config Volt Min Voltage lower limit Volt Min 0 0V Set Min voltage User Manual 28 ITECH IT7300 User Manual Volt Max VoltMax 300 0V_____ Set Max voltage o o FregMin Frequency lower mt FreqMin 45 0Hz Freq Max _ Frequency upper limit S _ FreqMax 500 0Hz Set frequency upper Irms Protect Current RMS protect poit SSS IrmsProtect 12 000A__ Set current RMS protect point BNC Set BNC PORT SETUP Ge
18. eea Disable SS aaa 2 1 Press right arrow key to Disable press down arrow User Manual 32 ITECH IT7300 User Manual key and to infirm when Disable is shining the vvords Svveep appears at the right bottom which means the Sweep function is active Press key to start sweep test key will shining during test and will stop after that with power off automatically To exit Sweep test function STEP OPERATION VFD DISPLAY i mm WEEP Press multiple key e Shift Sweep to menu S operation Edit Recall Enable key and key to confirm and then exit sweep function Sweep words will disappeared on lower right of VFD display 8 Press right arrow key to Enable press down arrow 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 Various alternating sequences with output varied may be formed by listing the voltage frequency slope surge trapped wave each step e User Manual M ds ame M Pos L46 ps Surges wave List sequences of IT7320 series can be stored into a non volatile register with a capacity of 100 steps The user can edit up to 10 files Following shows how to edit recall and run a list file gt Set Trigger Source
19. he power source you plugged the AC source into is energized Then verify that the power supply is turned on 2 Verify the power line voltage setting The line voltage is set to the proper value for your country 220VAC or 110VAC when the power supply is shipped from the factory IT7321 IT 7322 models support 110V 220V AC input The AC line switch is located at the buttom of the unit Please pay attention to the AC level setup before provide AC power IT 7324 IT 7326 only support 220V AC input 3 Verify that the correct power line fuse is installed lf 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 Si User Manual Replace with a fuse of the same specification and install it 3 1 2 System self test After power on the VFD will display the BIOS version BIOS VER1 10 After 1s it will change to display as below system Selftest If the EEPROM was damaged or the latest operation data in EEPROM was lost the VFD will display with a indicator light of Error Access the menu could check the detailed error information lf everything goes well VFD will display Output state effective voltage Current Frequency power power factor output time Note Under the screen of displaying ITECH IT7321 press On Off button will quit the and
20. irm when Edit is shining START VOLTAGE Voltage 0 0V Press number key or knob to set start voltage press END VOLTAGE CEnter to confirm Voltage 0 0V Press numeric key or knob to set stop voltage press STEP VOLTAG Press numeric key or knob to set step voltage press TIME UNIT second minute and hour press to confirm Time 2 0S y Set step last time 0 1s 999 9s press to START FREQUENCY confirm Frequency 50 0Hz Set start frequency 45Hz 500Hz press to END FREQUENCY confirm Frequency 50 0Hz WM Set stop frequency 45Hz 500Hz press to STEP FREQUENCY confirm Frequency 1 0Hz Set step frequency press to confirm SWEEP SAVE No Yes Press left and right arrow keys to select whether SWEEP SAVE W save sweeping file No means do not saving Yes means saving V Select save position 0 9 press to confirm VED display SaveData success for 1 second Edit Recall Disable gt Recall sweep file STEP OPERATION VFD DISPLAY 7 en DP SVVEEP Press multiple reys Shift Sweep to menu l operation Edit Recall Disable Press right arrow key then press key to confirm when Recall key is shining Recall Sweep 0 WW Press numeric key to select needed recall file and press key to confirm VFD display Recall Edit Recall Disable Data success for 1 second gt Set sweep test state and start test STEP OPERATION VFD DISPLAY P tible keys P hi Sweep t SWEEP aa LE SSL Keys Ln weer einen ai
21. lagging edge M 1 Eims N Posl4ips Dimmer operation gt Active dimmer function set LeadingEdge LaggingEdge Press multiple keys P Shift Menu to MENU System Config Info Press right arrow key to select Config press CONFIG to confirm when Config is shining Volt Min Volt Max gt Press right arrow key to Dimmer press to DIMMER confirm when Dimmer is shining o TrailingEdge Select LeadingEdge or LaggingEdge to active the DIMMER function Press key to confirm when itis LeadingEdge TrailingEdge shining Shining indicate on VFD means dimmer Off function is in used conversely disappeared OFF Press compound key Shift O Dimmer and 9 0V 0 0mA 50 0 enter menu operation Dimmer 30 0 Press numeric key to set angle press to confirm Also you can adjust angle by knob to view real time waveform changes along Press and numeric a to set voltage based on requirement Press Power source output dimmer wave with shining a User Manual 5 11 Output range T7320 series AC source will allow switchover between High range and Auto range Take T7321 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 8A 300VA Auto range refers to auto switchover mode between High range and Low range You can choose the range according to actual test requirements Whe
22. lowing parameters of power supply and PC matches Baud Rate 9600 4800 9600 19200 38400 57600 115200 You can enter the system menu from the front panel and then set the baud rate Data bits 8 Stop Bits 1 Calibration none even odd EVEN 8 data bits have even parity ODD 8 data bits have odd parity NONE 8 data bits no parity Local Address 0 31 the factory default setting is 0 Parity None Start Bit 8 Data Bits Stop Bit 6 2 USB interface Connect the power supply and the computer using a cable with two USB interfaces each end All functions of power supply may be programmed through USB The functions of USB488 interface are as follows e 488 2 USB488 Interface e Receive requests of REN CONTROL GO TO LOCAL and LOCAL LOCKOUT Receive the command MsglID TRIGGER USB TMC and convey the TRIGGER command to the functional layer The functions of USB488 component are as follows 1 Able to read all compulsory SCPI commands 2 SR1 enabled 3 RL1 enabled DT1 enabled 6 3 LAN interface User Manual Press e Shift Select 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 Please ensure that the screws have bee
23. n Weight I u o Ll KI I u D u D 117324 al User Manual AC INPUT 1 110Vac 10 220Vac 10 Input 47 63Hz 30A AC OUTPUT Total Harmonic Ka AC S output Distortion T H D lt 0 5 at 45 500Hz Resistive Load Crest Factor 0 1 max for a 10 line change lt 0 5 FS Resistive Load SETTING T 0 1Hz at 45 99 9Hz Frequency READBACK Voltage Current rms REES M imA H10mA Accuracy L 0 2 0 4mA M 0 2 4mA H 0 2 20mA 0 48A Current peak 0 01A 1 120mA L 0 01W M 0 1W H 1 VV Power of S 7 Accuracy L 0 2 0 05W 47HZ 65HZ M 0 2 0 5W 47HZ 65HZ H 0 2 2W 47HZ 65HZ OTHER SPECIFICATION 10 memories Output Signal 5V BNC type LAN USB RS232 GPIB 0 40 C 20 80 RH 439mmWx 131 4mmHx535 7mmD 40kg Memory Sync Output Signal Interface Operation Environment Dimension Weight N 1 SS I User Manual ITECH IT7300 User Manual 117326 AC INPUT Input AC OUTPUT AC output lt 0 5 at 45 500Hz Resistive Load 0 1 max for a 10 line change lt 0 5 FS Resistive Load SETTING mee l 0 1Hz at 45 99 9Hz Frequency READBACK Voltage Current rms SE UTA Sen Accuracy L 0 2 0 4mA M 0 2 4mA H 0 2 20mA 0 96A Current peak 0 01A 1 120mA 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
24. n Auto range is chosen the switchover between High range and Low range will be performed by the instrument automatically thus sparing complicated operations such as manual setting switch High range and Auto range Press Shift and volt High Auto together to switch between High range and Auto range When High range is chosen press the Shift and High Auto together to switch to Auto range The indicator Auto on the VFD will be on Note There is a temporary OFF to the AC source during the switchover of range 5 12 Key lock The front panel keys can be locked to prevent unwanted changes to output settings and AC source configurations Follow the steps below to enable disable key lock Press e Shift Lock button to set the key lock state lf keyboard has been locked the indicator light Lock will display on the VFD In addition when keyboard are locked all buttons can t be used except ON OFF key and Shift Rey Press gt Shift Lock once again will relieve key lock function OFF 0 0V 0 0mA 90 0 0 00W PF 0 000 Lock 5 13 BNC There is a composite terminal at the rear panel of the AC source see description of rear panel which can be used as 1 Input signal l Trigger serve as input signal by external trigger Connect the positive and negative end of the terminal to generate a trigger signal l On serve as the control signal for On Off When the positive and negative end of the terminal is
25. n screwed down in order to have a full connection Then press OVP 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 C Ente button to confirm GPIB address is saved in nonvolatile memory User Manual ad ITECH IT7300 User Manual Support process If you have a problem follow these steps 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 lt is the fastest source for up to date product information and expert assistance and includes the following features Fast access to email AE Software and driver updates for the product Call ITECH support line 4006 025 000 ka User Manual
26. of 0 360 by pressing Shift Phase VFD will display as below OFF 0 0V 0 0mA 50 0 Start Phase 0 0 0 6S Press numeric keys to set the starting phase angle and pressCEnter io confirm Then the VFD will indicate next operation to set stop phase OFF 0 0V 0 0mA 50 0 Stop Phase 0 0 0 6S 5 5 Output On Off Operation button is used to control the output state of AC source When button is lit It indicates the output in on state When output button is dark which means the output is turned off Note make sure you have connected AC source and test DUT very well then press button to minimize shock hazard 5 6 Switch the VFD display items Press EH button to change the VFD display of bottom line Default VFD display effective voltage effective current frequence Active power power fator output time OFF 0 0V 0 0mA 90 0 0 00W PF 0 000 0 0S Press letto switch the display effective voltage effective current frequence apparent power peak current output time OFF 0 0V 0 0mA 90 0 0 00VA 0 00Apk 0 0S User Manual 26 ITECH IT7300 User Manual Notes The time shown on the VFD is the output time of AC source Press to start the timing when power is on press again to turn off power The duration of power supply will be displayed on the VFD until the next power starts when the timer will reset The timing is based on the decimal system when the time reaches 999 9 s the timing will be displayed in minutes m when the time re
27. ouly If select Yes oower No Yes supply will create surges wave traps in at intervals of 100ms PressCEnter to confirm Press numeric keys to set voltage of surges wave SD VOLTAGE traps press GHE to confirm lf set voltage is higher Step 0 Voltage 0 0V than current working voltage then it is surges or it is wave traps Set the starting time of SD SITE surges wavetraps press Ente to confirm With the Step 0 Sitez Oms restriction of frequency the max settable time is 20ms Set the duration time of surges wave traps Press SD TIME CEnter io confirm Step 0 Time Oms Repeat step4 13 LIST VOLTAGE Step 1 Voltage 0 0V NO Do not save the list file after power off the LIST SAVE unit current file will lose No Yes Yes Save list file to assigned memory room for quickly recall at any time Store file to specified storage space 0 9 LIST SAVE groups pressCEnter to confirm VFD will display Save data bank 0 Save data success gt Set LIST State os operation Press Shift List to entry the Li oel ress Shift List to entry the List menu Edit Recall Disable Press right key to select Disable when it flicker oress LIST up down key to select Enable and pressCEnter to Edit Recall Enable confirm Now the List mode is enabled Escape menu the front panel will display LIST 0 a User Manual w TECH T7800 er Manual gt Run LIST File After enable the List mode press On Off to turn on the output
28. pound key the local CC Output terminals switch key and power switch Power button 4 Numeric keys and ESC Function keys The front panel of IT7326 Q 3 Q E 7 0000 OL d OOOO OO VY sL GL Jr Dal EES E CO el Ee EE SER SS ES aD DD SS SSS SSS SS es C Cc Ld Ce Che LD Ca ae Car _ Cc Ca lo C E bel Bel Co Ld CF Cc C n n PD Caa Ge Lage bag Lad l d KD CD ED E ca ee Q VFD display 2 Rotary knob Power button 4 Compound key the local switch key and power switch Numeric keys and ESC Function keys User Manual 12 ial TECH IT7300 User Manual UP DOWN LEFT and RIGHT key Output terminals The rear panel of IT7321 LL The rear panel of 117326 Ge User Manual lT 300User Manual 1 LAN communication interface 2 RS232 communication interface 3 USB communication interface 4 Cooling fans AC power socket Output terminals CO BNC terminal GPIB communication interface 9 System Bus Fuses A Sweep List Dimmer Key description see the table below Name and the function The shift key is used to select the alternate operation of a Shift key indicated by the word under the ke User Manual 14 ITECH IT7300 User Manual Local buton switch from remote mode to local operation mode
29. r 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 Your power supply is equipped with a 3 wire grounding type power cord the third conductor being the ground The power supply is grounded only when the power line cord is plugged into an appropriate receptacle User Manual 16 ITECH IT7300 User Manual A Warning Use wire with appropriately rated load capacity of all load wires must be able to withstand the maximum short circuit output current of the power without overheating If there is more than one load each load wire must be able to safely carry the power of full rated short circuit output current Warning In order to reduce the risk of fire and electric shock make sure that the mains supply voltage fluctuations should not exceed 10 of the operating voltage range Note In some cases misconfigurated mains voltage for the instrument may cause the mains fuse disconnected Power on pre check includes two parts power on check and system self check 3 1 1 Power on the supply Use the following steps to help solve problems you might encounter when turn on the instrument 1 Verify a good condition of Mains supply connection First verify that the power cord is firmly plugged into the power receptacle on the rear panel of the AC source You should also make sure that t
30. revert to that state at power up lf you select off the output state is always OFF when the power supply is turned on The recommend setting is OFF Buzzer This item can set the key sound state lf in ON mode then when you press a button the power supply will beep If in OFF mode the beeper will not make a sound The default set is in ON mode 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 S 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 choose any one of them to communicate with a PC RS232 interface Avaiable baudate 4800 9600 19200 38400 57600 115 2K Data bit 8 Parity bit NONE ODD EVEN Address 0 31 LAN interface User Manual 30 ITECH IT7300 User Manual Parameters need to be configured in LAN mode Gateway IP address Mask address and socket port Before communicating with the principal computer choose the communication port and perform associated configuration to ensure that communication configuration of the power accords with that of the principal computer 2 Config menu Volt Min Voltage lower limit setting Volt Max Voltage upper limit setting Freg
31. rpion 2827 IIA NENU UC OD sesso tee EEE A AEE A EAEAN REA OEA 29 sehat ee TON ODEO TT 31 SAO Te 31 OO 2 SE OD el e Lu USL e 33 Safe SC LUMEN EE 36 5 11 Output range 3837 IT ROM LOG EE 3837 I 38 5 14 3 phase setup Oia plano eege 41 6 1 RS232 rntertace nk sn unoka ka bn nhn an an n n n n ND aI AI A D S ES AS A A EA ES ED nnana 4244 EE 4342 SE LANTIO EES 43 SE E E Elan le 43 User Manual 2 ITECH 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 There is no part that the operator can maintenance If maintenance service is required please contact a trained service personnel Security regulation To prevent electric shock non authorized personnel is strictly not allowed to open the machine This equipment is strictly prohibited for use in life support systems or any other device with security requirements We cannot accept responsibility for any direct or indirect financial damage or loss of profit that might occur when using the electronic load Safety symbols Warning It reminds the user note some operating procedures practices conditions and other matters that
32. the front panel Shift Select key Parity options are stored in a non volatile memory Baud Rate The front panel Shitft button allows the user to set baud rate which is stored in the non volatile memory 4800 9600 19200 38400 57600 115200 RS 232 connection cable Adopt the RS232 cable with DB 9 interface because the serial port of RS232 can be connected with that of the controller e g PC The modulating cable of the air conditioner is not recommended The pins of plug are shown as the following table lf your computer is provided with a RS232 interface with DB 25 plug a cable and a adapter with DB 25 plug one end and DB 9 plug the other end are required not the modulating cable of the air conditioner 54321 RS 232 plug pins RS 232 Troubleshooting In case of connection failure of RS232 perform following check User Manual 42 ITECH IT7300 User Manual 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 Just as described in the RS232 connector appropriate interface cable or adapter shall be adopted Notes even if the cable is equipped with right plug internal wiring may be incorrect The interface cable must be connected to the right serial port COM1 and COM2 of the computer Communication Settings Before communication you should first make the fol
33. unction Turn on turn off phase angle control 0 360 TTL signal which indicates output transient Support front and rear panel output List mode to generate surge sag and other line disturbance simulations Over voltage over power over current over temperature protection features Built in LAN RS 232 GPIB and USB interface programming with SCPI command language IT7321 has no GPIB interface Memory capacity 10 groups Y Y Y Y Y Y Y Y YY Y Y Y Y Y J User Manual Chapter Inspection and Installation Power supply is a kind of high level safety equipment with a protected ground terminal Before Installation or operation please read the safety signs and instructions in this manual 1 1 Inspection After receive the power supply follow these steps to check 1 Damage When you receive your AC source inspect it for any obvious damage that may have occurred during shipment lf 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 o a power cord a power cord appropriate for your location o a User s manual o a factory calibration report o a USB cable 3 AC input There are two kinds of mains input of 117320 110Vac and 220Vac AC input level 110VAC 10 47 to 63 Hz 220VAC 10 47 to 63 Hz Power cord type

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