USER MANUAL - StanTronic Instruments
Contents
1. e User Manual Chapter1 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 Users manual o a factory calibration report o a USB cable 3 AC input There are two kinds of mains input of 1T7320 110Vac and 220Vac AC input level 110VAC 10 47 to 63 Hz 220VAC 10 47 to 63 Hz Power cord type China America Canada Europe England IT E171 IT E172 IT E173 IT E174 User Manual 6 T E C H T7300 User Manual 1 2 Dimension 1 117321 power supply s dimension 214 5mmWx88 2mmHx453 5 mmD W width H height D depth refer to the Dimension below 214 5 ab JEEE EE I RE Sei ET Ju Ll mo N d Unit millimeter User Manual 2 117322 IT7324 power supply s dimension 439mmW 131 4mmMHx535 7 mmD W width H height D depth re2. 05W 47HZ 65HZ M 0 2 0 5W 47HZ 65HZ y H 0 2 2W 47HZ 65HZ OTHER SPECIFICATION Memory 10 memories Sync Output Signal Output Signal 5V BNC type LAN USB RS232 GPIB Operation Environment 0 40 C 20 80 RH 439mmWx131 4mmHx535 7mmD Weight 40kg Model T7324 AC INPUT Page ft O Voltage 110Vac 10 220Vac 10 Input 47 63Hz Max Current Max Current 30A AC OUTPUT EE Phase 10 2W Total Harmonic et AC output 0 utpu Distortion T H D lt 0 5 at 45 500Hz Resistive Load 0 1 max for a 10 line change SETTING T SE Rane Phase Angle READBACK Voltage User Manual 18 T C H lT 300 User Manual LEET ar een L 0 2 0 4mA M 0 2 4mA H 0 2 20mA Current peak Resolution 1 120mA Recs L 0 2 0 05W 47HZ 65HZ M 0 2 0 5W 47HZ 65HZ y H 0 2 2W 47HZ 65HZ 439mmWx131 4mmHx535 7mmD 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 0
3. N 1 check stop bit and 38400 8 N 1 seca 57600 8 N 1 Select USB interface Select LAN interface Gateway 192 168 0 1 Set gateway IP IP 192 168 0 125 BEER SE Mask 255 255 255 0 i a ak Socket Port 30000 DEE ue NAMED DN Set Min voltage S Voltage upper limit _ Volt Max 300 0V Set Max voltage S Freq Min Frequency lower limit P TT I o Freq Max Frequency upper limit _ Frreq Max 500 0Hz Set frequency upper limit Irms Protect Current RMS protect point S Current RMS protect point __ Irms Protect 12 000A__ Set current RMS protect point Config L NGC Sei BNCPORTSETUP SAL Gate interface for AC phase synchronization Output interface for on off state interface angin Current peak protect point ee lpeak Protect 12 000A Set Current peak protect point Dimmer DIMMER LeadingEdge LeadingEdge Phase dimmer function TrailingEdge TrailingEdge Phase dimmer function Disable Phase dimmer function AMO ENON Power information INFO ERROR l l PRODUCT INFO 17 7321 Instrument type Firmware version Ver 0 01 0 0 1 User Manual 24 ITECH IT7300 User Manual 5 9 2 Menu function 1 System menu Initialize the system menu relative factory default setup as follows Power On SavO Buzzer On 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
4. Shift D Sweep to menu SWEEP operation Edit Recall Disable 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 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 tiple keys P bitt O S t _ SWEEP ress multiple keys Shift L Sweep to menu Edit Recall Disable Press right arrow key to Disable press down arrow 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 VED DISPLAY 7 ma DC WEEP Press multiple key St L Sweep to menu S operation Edit Recall Enable Press right arrow key to Enable press down arrow key and key to confirm and then exit sweep function Sweep words will disappeared on lower right of VFD display User Manual 28 ITECH 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 resul
5. User Manual 5 3 Frequency Setup You can set frequency within the range 45Hz to 500Hz When you press FREQ 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 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 IP button adjust rotary knob to change the setting frequency value The third way press button and numeric Key to to set frequency value 5 4 Phase Angle Setup You can set the starting and stop phase angle within range 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 press Enter to confirm Then the VED 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 e User Manual 5 6 Switch the VFD display items Press Eelectibutton to change the VFD display of bottom line Default VFD display effective voltag
6. e 488 2 USB488 Interface e Receive requests of REN CONTROL GO TO LOCAL and LOCAL LOCKOUT Receive the command MsgID TRIGGER USBTMC 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 User Manual 36 ITECH 1T7300 User Manual 6 3 LAN interface 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 been 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 Ente button to confirm GPIB address is saved in nonvolatile memory ad 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 It is the fastest source for up to date product information and expert assistance and includes the following features Fast access to em
7. 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 the 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 13 User Manual 3 Verify that the correct povver 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 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 wa
8. F 0 0V 0 0mA 50 0 0 00W PF 0 000 Lock 22 User Manual 5 13 BNC There is a composite terminal at the rear panel of the AC source see description of rear panel vvhich can be used as 1 Input signal I 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 in short circuit the status of AC source is On when the circuit is open the status of AC source is OFF 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 I menu operation System Config Info key when Config is shining V Min V Max gt Press right arrow key to BNC Set and press BNC PORT SETUP NW Press right arrow key and select config press CONFIG key when BNC Set is shining I Trigger l On O Phase O On gt Press left and right arrow keys to select interface function and press CEnter Press ESC key to exit menu User Manual de ITECH 1T7300 User Manual Chapter6 Remote Operation Mode IT7320 series AC source has three standard com
9. ITECH IT7300 User Manual USER MANUAL Programmable AC Power Supply IT7300 Series Model IT7321 1T7322 1T7324 Copyright All Rights Reserved Ver1 3 Dec 2013 IT7320 l User Manual I C H IT7300User Manual 117320 Series Programmable AC Power Supplies eee eee eee 3 ee HT A 3 Security regulation BEE 3 ENEE ne EE 3 Certification and Quality Assurance 3 Taise Dei Le WEE 5 Chapter Inspection and Installaton see eee eee eee eee 6 e e DE CU OR E 6 R Rene EEN 7 CO DC CUUIG n T 9 ZANE OPIUM Gl h AE ME E 9 2 2 Front panel Operation OVervieWw sese eee 11 20 N FONGO DESID UO EE 12 Chapter3 Power On check 13 SIPON ON CIC i OUI E 13 SH OWEN TONY EEN 13 K A n El lS E 14 EE EE 15 Chapter4 Technical epecficaton ssirssrrsscirrsnissinsissisrs nri eni sir nesr a rre EEEE EIET N NEFES 16 AN PECCO EE 16 4 2 Supplementary parameters eee eee ee 19 Chanter Basic Operatnon 20 DL Local Remote ele 20 9 2 VOJE Ue EE 20 Di FCE NC S CU T 21 DP OS CROS le TTT 21 SEENEN 21 eeng CA e pe Ee EA VE 22 5 7 Save and recall operation e 22 So IOC Ree Te 23 E TES e WO THT 23 29 1 EREECHEN 23 DE ZEC TUNC OM EE 25 PIO TUG OI ODE T 27 OO WEED E 27 SAOZ ETO Ee ON E TTT 29 Da DINIE aaan a N E EE E ET OE E T A N 32 SE EE 33 e Da KN KOV TOCK E 33 I 34 Chapter6 Remote Operation NOG sees e e eee 35 eyed S 202 2 E 35 OL USBI le 36 OLAN TREI IC TT 37 TE Cl E REC EE 37 User Manual 2 ITECH 1T7300 Use
10. ail AE Software and driver updates for the product Call ITECH support line 4006 025 000 iii A User Manual 38
11. cation and Quality Assurance IT7320 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 way Freight to the maintenance department and our company is responsible for the return shipping cost If 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 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 VV VV WV Notice If the contents of this manual is subject to cha
12. current values Ll User Manual 2 3 VFD Indicator Description VFD indicator function description as follow Char Function description Char Function description OVP OTP OCP OPP Output is off Protection pmt U EE Auto 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 User Manual 12 T C C H l T 7300 User Manual Chapter3 Povver on check This chapter will introduce the procedure of power on check including pre check and output check to make sure the 11 7320 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 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 oe 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 T Warning In order to reduce the risk of fire and electric
13. e effective current frequence Active power power fator output time OFF 0 0V 0 0mA 50 0 0 00W PF 0 000 0 0S Press eto switch the display effective voltage effective current frequence apparent power peak current output time OFF 0 0V 0 0mA 50 0 0 00VA 0 00Apk 0 0S 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 reaches 999 9 m the timing will be displayed in hours h 5 Save and recall operation T7320 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 Recall Save key to recall save settings Save operation To save the instrument s settings to a register press shift 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 User Manual 22 ITECH IT7300 User Manual Recall p eration press Recall button You ll be prompted for a register number Enter a number betw
14. een 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 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 received the AC source will produce a trigger signal 5 9 Menu Operation 5 9 1 Menu description Press 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 CEnter to enter the selected menu function press to return to the previous menu Init Initialize system menu POWER ON PARAMENT Set the Povver ON OFF state after povver up ee bea a n Rst Syste Buzzer BUZZER Setbuzzerstte N ge Z SE Communica COMMUNICATION Communication interface and parameter tion setting User Manual T C H IT 300User Manual RS232 Def RS232 Select RS232 interface 4800 8 N 1 Set Baud rate data 9600 8 N 1 i bit odd even 19200 8
15. fer to the Dimension below IL t NHM EE a e 0000 G 9 ooo KO al Unit millimeter User Manual 8 Keal TECH IT 300 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 IT7321 300VA PROGRAMMABLE AC POWER SOURCE The front panel of IT7322 IT7324 3 1 3 R CO 000000 4 4 a l o 0000 OO CD ICC d amp CH z k 1 P KL s ee EC LP ke VED display 2 Rotary knob 3 Compound key the local switch key and power switch 4 Numeric keys and ESC 6 Function keys UP DOWN LEFT and RIGHT key CO Output terminals Power button User Manual The rear panel of 17 7321 UI GO L de TH I R R e The rear panel of IT7322 1T7324 5 6 9 9 1 8 LAN communication interface RS232 communication interface USB communication interface Cooling fans AC power socket Output terminals BNC terminal GPIB communication interface System Bus D e ER 9 U
16. is OV 50HZ 0 and O If you select Gaul en the AC source will automatically recall the output parameters setting saved in U 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 lf you select Last the AC source will save the output state prior to power down and revert to that state at power up If you select off De 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 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 s User 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 5 7600 115 2K Data bit 8 Parity bit NONE ODD EVEN Address 0 31 LAN interface Parameters need to be configured in LAN mode Gateway IP address Mask address and s
17. le the LIST state then quit the menu and press ON OFF to trigger the execution al User Manual 5 10 3 Dimmer The leading and lagging edge of the vvaveform 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 WEISS Dimmer of lagging edge Mims M Pos 1 4 ps Dimmer operation gt Active dimmer function set LeadingEdge LaggingEdge Press multiple keys P Shift Menu to eee 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 7 confirm when Dimmer is shining LeadingEdge TrailingEdge Off Select LeadingEdge or LaggingEdge to active the DIMMER function Press key to confirm when it is LeadingEdge TrailingEdge shining Shining indicate on VFD means dimmer Off function is in used conversely disappeared User Manual 32 ITECH IT7300 User Manual gt Set phase angle and start test Se 9 l OFF Press compound key Shift 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 Volt and numeric key to set voltage based on piba Press Enter A T Power source output dimmer wa
18. munication 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 P Shift 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 the front panel Shift Select key Parity options are stored in a non volatile memory Baud Rate The front panel Shift button allows the user to set baud rate which is stored in the non volatile memory 4800 9600 19200 38400 5 600 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 mod
19. nge we will not notice additionally User Manual 4 ITECH IT7300 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 11 321 117321 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 2U Programmable frequency 45HZ 500HZ Display Vrms Irms lpeak frequency PF apparent power and active power simultaneously IEC61000 4 11 JEC 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 function 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 Memory capacity 10 groups Y Y Y Y Y Y Y Y Y VVVV Y Y
20. ocket 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 Freq 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 Press P Shift Menu to enter menu MENU operation System Config Info press right direction key to select INFO pressCEnter PRODUCT INFO 1T7321 Ver 0 06 0 06 User Manual 26 T C C H lT 300 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 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 step
21. peration T VED display Press Shift CL I LIST N 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 gt Run LIST File After enable the List mode press On Off to turn on the output it will begin to run Meanwhile you will seeCEnter button keep flickering The output will vary according to the edited steps Press On Off button can quit the running state of List file gt Quit LIST Mode VED display 8 P Sh L he L LIST LS ress Shift List to entry the List menu Edit Recall Enable Press right key to select Enable when it flicker oress LIST up down key to select Disable and press Eet Jo 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 VFD display 8 LIST Press 7 Shift List button t try the List N oe nilay Edit Recall Disable E Press right key to select Recall when it RECALL LIST flicker pressCEnter 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 enab
22. r 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 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 D Connect it to safety earth ground using the wire recommended in the user manual T The symbol on an instrument indicates that the user should refer to the operating instructions located in the manual A High voltage danger Certifi
23. s but not to 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 Shift o Sweep to enter menu SWEEP l operation Edit Recall Disable Press to confirm when Edit is shining START VOLTAGE Voltage 0 0V Press number key or knob to set start voltage press END VOLTAGE CEnter Dto confirm Voltage 0 0V Press numeric key or knob to set stop voltage press STEP VOLTAG l Boem Seet Press numeric key or knob to set step voltage press TIME UNIT OS P Second Minute Hour TJ cond minute amat E second minute and hour press to confirm Time 2 0S U 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 Set stop frequency 45Hz 500HZz press to STEP FREQUENCY confirm Frequency 1 0Hz La Set step frequency press to confirm SWEEP SAVE No Yes N Press left and right arrow keys to select whether SWEEP SAVE save sweeping file No means do not saving Yes Save data bank 0 means saving Select save position 0 9 press to confirm SWEEP VFD display SaveData success for 1 second Edit Recall Disable s User Manual gt Recall sweep file STEP OPERATION VFD DISPLAY Press multiple keys P
24. s 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 User Manual 14 ITECH IT7300 User Manual 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 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 The following steps verify basic voltage functions without load 1 Turn on the AC source 2 Press Vol and numeric key to set a effective voltage press Enter to confirm 3 Press and numeric key to set the frequency pressC Enter to confirm 4 Press DD uo turn on the output Note When 2 0f 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 La User Manual II C C l IT7300User Manual Chapter4 Technical specification This chapter will introduce the main technical parameters of IT7300 such as rated vol
25. ser Manual 10 ITECH IT7300 User Manual operation P PIT TD TE GIS Power Sweep LE Dimmer j Trigger Lack OCIJOOOCO Q Rey description see the table belovv Name and the function e The shift key is used to select the alternate operation of a SHE hey indicated by the word under the key d Local buton switch from remote mode to local operation mode Power on key 0 9 Numeric keys Number 7 Sweep function key List Number 8 List function key Number 9 Dimmer function key Escape key lt can be used to exit keyboard entry or move up a level in the menu m 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 Recall s Recall the setup from internal memory Store the AC source SE settings in non volatile memory Switch the VFD display to be apparent power peak current active L Select lect Clee Men power and power factor entry the menu setup dD Enter key to confirm the number entered and operation trigger Trigger button which is used to trigger the List test Output on off keys control power output state keypad lock On Off Off 7 Loch function keys used to lock the panel buttons 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
26. t 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 M Z5 9ms NI Dos 1 49 ps Surges wave List sequences of IT 320 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 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 Enter to confirm es right key to select Trigger When selected trigger item will be twinkling Press CEnter to confirm 3 Press right key to select Manual and pressCEnter to confirm 29 User Manual I T C H IT 300User Manual gt Edit LIST File Steps Operation LNED display Press P SH O List button select ae E Edit pressCEnter to confirm ecall Visable vs Press numeric key set the step counts range 1 100 pressCEnter to confirm Step Count 0 Press numeric key set number of LIST REPEAT V cycles range 1 1000 press CEnter o confirm M Set the first step voltage and pressCEnter Jr confirm Step 0 Voltage 0 0V Set the first step frequency and pressCEnter to LIST FREQUENCY confirm Step 0 Frequency 0 0Hz Step 0 Slope 0 0S Set the time unit S min hour pressCEn
27. tage current power and so on Besides this part will introduce the working environment and storage temperature 4 1 Specification Model i AC INPUT phase OONN oO Input AC OUTPUT Max Power 300VA Max Current rms 3 0A 0 150V 1 5A 0 300V Max Current peak 12A 0 150V 6A 0 300V Phase 10 2W Total Harmonic SC AC output lt 0 5 outpu Distortion T H D lt 0 5 at 45 500Hz Resistive Load Line Regulation 0 1 max for a 10 line change SETTING 0 300V 150 300V Auto 0 2 0 6V 45 500Hz 0 1Hz at 45 99 9Hz Frequency Resolution AUS at 100 500Hz EE 0 1HZ 0 360 Phase Angle Resolution E 17 READBACK Voltage 0 1V Current rms L 0 2 0 4mA M 0 2 4mA H 0 2 20mA Current peak 1 120mA User Manual 16 _ EC H IT7300 User Manual ee L 0 01VV M 0 1W H 1W P p 0 J E 0 z ower Accuracy L 0 2 0 05W 47HZ 65HZ M 0 2 0 5W 47HZ 65HZ H 0 2 2W 47HZ 65HZ OTHER SPECIFICATION Memory 10 memories E IT7322 AC INPUT 110Vact10 220Vac 10 Input AC OUTPUT Line Regulation 0 1 max for a 10 line change SETTING T 0 1Hz at 45 99 9Hz Frequency Resolution 4Hz at 100 500Hz 0 1HZ 0 360 Phase Angle READBACK Voltage Current rms Accuracy L 5 0 29470 4mA M 2 0 2964mA H 0 2 20mA Current peak 0 24A Ll User Manual Melle C H IT7300User Manual 0 01A 1 120mA L 0 01W M 0 1W H 1W L 0 2 0
28. terYto confirm DWELL UNIT Second Minute Hour M Set delay time 0 1 999 9 pressCEnterYto confirm LIST DWELL Step 0 Dwell 0 0S Disable or enable the surges or trap SD STATE state press Entento 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 continouly lf 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 Dress Enter to confirm HR 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 pressC Enter to confirm With the Step 0 Sitez Oms M Set the slope 0 1 999 9 pressCEnter to confirm LIST SLOPE restriction of frequency the max settable time is 20ms Set the duration time of surges wave traps Press SD TIME Enter to confirm Step 0 Timez Oms Repeat step4 13 LIST VOLTAGE Step 1 Voltage 0 0V NO Do not save the list file after povver off the LIST SAVE unit current file vvill lose No Yes Yes Save list file to assigned memory room for quickly recall at any time Store file to specified storage space O 9 LIST SAVE groups presse Entento confirm VED will display Save data bank 0 Save data success User Manual 30 ITECH IT7300 User Manual gt Set LIST State steps o
29. to 40 C Storage temperature 20 to 70 C Humidity Max humidity 80 13 User 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 Save recall operation Trigger operation Menu operation Switch output voltage range Key lock function BNC terminals function 5 1 Local Remote Mode Press the local button es change the AC source from remote to local operation After you povver on the AC source it defaults in local mode all buttons are enabled While in remote mode most buttons are disabled except Shift and Local keys 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 Volt 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 Volt adjust cursor location through Ca button pressing A and Y will enable you to increase or decrease the setting voltage value The second way press Volt adjust cursor location through Gd L amp button adjust rotary knob to change the setting voltage value The third way press button and numeric Key O to to set voltage value User Manual 20 ITECH 1T7300
30. ulating cable of the air conditioner 54321 r 1 Noconnection 9 87 6 RS 232 plug pins e yo 8 ER 22 User 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 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 following parameters of power supply and PC matches Baud Rate 9600 4800 9600 19200 38400 5 600 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
31. ve with shining 5 11 Output range T7320 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 Auto range refers to auto switchover mode between High range and Low range You can choose the range according to actual test requirements When 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 e Shift and High Auto together to switch between High range and Auto range When High range is chosen press the e 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 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 Cant be used except ON OFF key and Shift Rey Press P Shift Lock once again will relieve key lock function OF
Download Pdf Manuals
Related Search