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Programmable AC Power 

Source 

IT-M7700 Programming Guide 

 
 
 
 
 
 
 
 
 

 

 
 
 
 
 
 
 
 
 
 
 

 
 

                                                                                 

 

 

                                                  Model: IT-M7721/IT-M7722/IT-M7721L/IT-M7722L/ 
                                                                IT-M7723/IT-M7723E 
                                                  Version: V1.2 

Summary of Contents for IT-M7700 Series

Page 1: ...Programmable AC Power Source IT M7700 Programming Guide Model IT M7721 IT M7722 IT M7721L IT M7722L IT M7723 IT M7723E Version V1 2...

Page 2: ...ng the materials in this document that conflict with these terms the warranty terms in the separate agreement shall prevail Technology Licenses The hardware and or software described herein are furnis...

Page 3: ...seas all the freights duties and other taxes shall be on the account of customer Limitation of Warranty This Warranty will be rendered invalid if the product is Damaged resulting from customer wired c...

Page 4: ...cover is removed or loosen To prevent the possibility of accidental injuries be sure to use the power adapter supplied by the manufacturer only We do not accept responsibility for any direct or indir...

Page 5: ...humidity 20 80 non condensation Storage temperature 10 C to 70 C Altitude Operating up to 2 000 meters Installation category II Pollution degree Pollution degree 2 Note To make accurate measurements...

Page 6: ...WEEE Directive 2002 96 EC marking requirement This affix product label indicates that you must not discard the electrical electronic product in domestic household waste Product Category With reference...

Page 7: ...00 4 2 2008 EN 61000 4 2 2009 IEC 61000 4 3 2006 A1 2007 A2 2010 EN 61000 4 3 2006 A1 2008 A2 2010 IEC 61000 4 4 2004 A1 2010 EN 61000 4 4 2004 A1 2010 IEC 61000 4 5 2005 EN 61000 4 5 2006 IEC 61000 4...

Page 8: ...TER 2 STATUS REGISTER 12 2 1 STATUS REGISTER DEFINITION 12 2 2 STATUS REGISTER STRUCTURE 13 CHAPTER 3 STATUS SUBSYSTEM 15 STATUS QUESTIONABLE EVENT 15 STATUS QUESTIONABLE CONDITION 15 STATUS QUESTIONA...

Page 9: ...E LAN CONFIG HOSTNAME 40 SYSTEM COMMUNICATE LAN CONFIG DESCRIPTIONNAME 40 SYSTEM COMMUNICATE LAN INFORMATION HOSTNAME 41 SYSTEM COMMUNICATE LAN INFORMATION DESCRIPTION 41 SYSTEM COMMUNICATE LAN IPMODE...

Page 10: ...PEAT 62 LIST ENDSTATE 62 LIST RUN RECORD 63 LIST RUN STATE 63 LIST CONFIGURE 63 LIST RECORDER 64 LIST RECORDER 66 LIST SAVE 66 LIST RECALL 67 LIST RUN 67 LIST STOP 67 CHAPTER 10 SELFDEFINE SUBSYSTEM I...

Page 11: ...K CURRENT 92 PROTECT RMS CURRENT TIME 92 PROTECT POWER 92 PROTECT MAX CURRENT LIMIT 93 SOURCE NORMAL VOLTAGE AC MAX LEVEL 93 SOURCE NORMAL VOLTAGE AC MIN LEVEL 94 PROTECT RMS CURRENT MAX LEVEL 94 PROT...

Page 12: ...SURE SCALAR CURR THD 105 MEASURE SCALAR POWER REACTIVE 105 MEASURE 105 FETCH 106 CHAPTER 14 PROGRAMMING EXAMPLES 107 EXAMPLE 1 IDENTIFYING THE POWER SUPPLY IN USE 107 EXAMPLE 2 APPLYING DC OUTPUT 107...

Page 13: ...POLarity NORMal INVerted OUTPut is the root class keyword SYNC is the second keyword MODE and POLarity are the third keyword Colon is used for separating the command keyword and the next level keywor...

Page 14: ...the last colon separator A message with two combined commands CURR LEV 3 PROT STAT OFF The example indicates the effect of semicolon and explains the concept of head path Since the head path is define...

Page 15: ...with a semicolon the message unit separator Common commands do not affect the header path you may insert them anywhere in the message VOLTage TRIGgered 17 5 INITialize TRG OUTPut OFF RCL 2 OUTPut ONIT...

Page 16: ...I messages program and response program message A program message consists of one or more properly formatted SCPI commands sent from the controller to the instrument The message which may be sent at a...

Page 17: ...ombined into a compound message separate the units with a semicolon STATus OPERation QUEStionable Root Specifier When it precedes the first header of a message unit the colon becomes the root specifie...

Page 18: ...ue When the instrument is then addressed to talk the response message is sent from the Output Queue to the computer Multiple response messages If you send more than one query command in the same progr...

Page 19: ...statements Upper or lower case may be used Therefore formats of VOLTAGE volt and Volt are all acceptable Other formats such as VOL and VOLTAG are invalid and will cause errors Parameter options with g...

Page 20: ...next level As shown below APPL SIN 455E3 1 15 0 0 In this example APPLy command assigns a sine wave with frequency of 455 KHz amplitude of 1 15 V and DC offset of 0 0 V Semicolon It is used to separa...

Page 21: ...string of NL character It is acceptable to place one NL after a Enter Termination of command string always resets current SCPI command path to root level NOTE As for every SCPI message with one query...

Page 22: ...arameter are used for settings with limited number of programming values such as IMMediate EXTernal or BUS They can use short and long format like key words of commands They may be expressed in both u...

Page 23: ...le quotation marks may also be used to display the same message DISP TEXT WAITING CPD character program data SPD string program data String parameters enclosed in single or double quotes 1 7 Communica...

Page 24: ...e dimmer 0 1 2 3 4 5 6 7 OVPrms OVPpeak UVPrms OCPrms OCPpeak OPP FAN OT Questionable Status Register Output is disabled by the over voltage protection RMS Output is disabled by the over voltage prote...

Page 25: ...1 when any one status of enabled query status register changes Output buffer available Bit ESB is set to 1 when the status of an enabled standard event status Register changes If the status of enable...

Page 26: ...Status Register Copyright Itech Electronic Co Ltd 14...

Page 27: ...value returned is the binary weighted sum of all bits set in the register Related Command STATus QUEStionable ENABle The following table describes the Questionable Status register bit assignments Bit...

Page 28: ...et the QUES questionable summary bit of the Status Byte register Syntax STATus QUEStionable ENABle NR1 Arguments 0 255 The value returned is the binary weighted sum of all bits set in the register Def...

Page 29: ...weighted sum of all bits set in the register STATus QUEStionable PTRansition Sets the value of the PTR Positive Transition registers for the Questionable Status group Syntax STATus QUEStionable PTRans...

Page 30: ...STATus OPERation ENABle The following table describes the Operation Status register bit assignments Bit 7 6 5 4 3 2 1 0 Name n u n u n u n u DIMMER SURGE LIST CAL Decimal Value 8 4 2 1 STATus OPERati...

Page 31: ...OPER operation summary bit of the Status Byte register Syntax STATus OPERation ENABle NR1 Arguments 0 255 Default value See PSC Example STATus OPERation ENABle 128 Query Syntax STATus OPERation ENABl...

Page 32: ...turns NR1 STATus OPERation PTRansition Sets the value of the PTR Positive Transition registers for the Operation Status group Syntax STATus OPERation PTRansition NR1 Arguments 0 255 Default value See...

Page 33: ...ups Also clears the status byte and error queue If CLS immediately follows a program message terminator NL then the output queue and the MAV bit are also cleared Syntax CLS Arguments None ESE Event st...

Page 34: ...7 6 5 4 3 2 1 0 Name PON n u CME EXE DDE QYE n u OPC Decimal Value 128 32 16 8 4 1 ESE Query the value of the enable register set by the standard event status group Query Syntax ESE Arguments None Ret...

Page 35: ...lds The first field is the manufacturer s name the second field is the instrument model number the third field is the serial number and the fourth field is the firmware revision Query Syntax IDN Argum...

Page 36: ...ice request enable command This sets the value of the Service Request Enable register This determines which bits from the Status Byte Register are summed to set the Request for Service RQS summary bit...

Page 37: ...ESB MAV QUES EAV n u n u Decimal Value 128 64 32 16 8 4 PSC This command controls whether a service request will generate when the power supply is re generalized 1 OR ON when the power supply is gene...

Page 38: ...nvolatile memories and the position can be set from 0 to 9 When shipped locations 0 through 9 are empty The specific parameter information can be found in the user manual Syntax SAV NR1 Arguments 0 9...

Page 39: ...from the error queue the ERROR annunciator turns off If more than 20 errors have occurred the last error stored in the queue the most recent error is replaced with 350 Error queue overflow No additio...

Page 40: ...ommunication interface Except the Shift Link Local key and On Off key on the front panel other keys are locked and cannot be used Syntax SYST REM Arguments None Query Syntax None SYSTem LOCal This com...

Page 41: ...l button can t switch to local control mode Syntax SYST RWL Arguments None SYSTem BEEPer This command is used to turn on turn off the beeper when the arguments is set to 1 ON the beeper is enabled and...

Page 42: ...s LAST OFF LAST RESET 0 1 2 Example SYSTem POWnon LAST OFF SYSTem POWnon This command is used to query some parameter settings or working status when the instrument is powered on Syntax SYSTem POWnon...

Page 43: ...te of RS232 Syntax SYSTem COMMunicate SERial SELF BAUDrate 4800 9600 19200 38400 57600 115200 Arguments 4800 9600 19200 38400 57600 115200 Query Syntax SYSTem COMMunicate SERial SELF BAUDrate Returns...

Page 44: ...uments NR1 Setting range 1 to 127 Default value 1 Query Syntax SYSTem COMMunicate CAN SELF ADDRess Returns NR1 SYSTem COMMunicate CAN SELF BAUDrate This command is used to set the baudrate of CAN Synt...

Page 45: ...tomatically configures IP related parameters Syntax SYSTem COMMunicate LAN IPCONFig 0 1 AUTO MANU Arguments 0 1 AUTO MANU Query Syntax SYSTem COMMunicate LAN IPCONFig Returns AUTO MANU SYSTem COMMunic...

Page 46: ...nication Syntax SYSTem COMMunicate LAN CURRent DGATeway Returns String Example 192 168 50 255 SYSTem COMMunicate LAN CURRent DNS1 This command is used to query the DNS primary address of the LAN commu...

Page 47: ...123 Query Syntax SYSTem COMMunicate LAN ADDRess Returns String SYSTem COMMunicate LAN SMASk This command is used to set the subnet mask Syntax SYSTem COMMunicate LAN SMASk String Arguments String Exa...

Page 48: ...S1 This command sets DNS primary address for LAN Syntax SYSTem COMMunicate LAN DNS1 String Arguments String Example 192 168 0 1 Query Syntax SYSTem COMMunicate LAN DNS1 Returns String SYSTem COMMunica...

Page 49: ...ng Example 05 04 03 02 01 00 Query Syntax SYSTem COMMunicate LAN MACaddress Returns String SYSTem COMMunicate LAN PING STATe This command enables or disables the Ping function Syntax SYSTem COMMunicat...

Page 50: ...STATe This command enables or disables the HTTP Server function Syntax SYSTem COMMunicate LAN HTTP STATe 0 1 OFF ON Arguments 0 1 OFF ON Query Syntax SYSTem COMMunicate LAN HTTP STATe Returns OFF ON...

Page 51: ...Arguments 0 1 OFF ON Query Syntax SYSTem COMMunicate LAN SOCket STATe Returns OFF ON SYSTem COMMunicate LAN TELnet STATe This command enables or disables the Telnet Server function Syntax SYSTem COMM...

Page 52: ...HOSTname This command sets the LXI Host name for the LAN communication Syntax SYSTem COMMunicate LAN CONFig HOSTname String Arguments String Example IT M7722 Query Syntax SYSTem COMMunicate LAN CONFig...

Page 53: ...ost name of the LAN communication Syntax SYSTem COMMunicate LAN INFormation HOSTname Returns String SYSTem COMMunicate LAN INFormation DESCription This command is used to query the LXI Description nam...

Page 54: ...Itech Electronic Co Ltd 42 Returns String Example Search DHCP Server DHCP Search Auto IP Auto IP Manual SYSTem COMMunicate LAN RESET This command makes the LAN settings valid Syntax SYSTem COMMunicat...

Page 55: ...OUTSYN NC OUTSYN The relay is linked with Output NC The relay is normally closed Whether Query Syntax SOURce RELAy MODe Returns OUTSYN NC SOURce NORMal VOLTage AC LEVel IMMediate AMPLitude This comma...

Page 56: ...tax SOURce NORMal VOLTage DC LEVel IMMediate Returns NRf SOURce NORMal FREQuency LEVel IMMediate This command sets the AC frequency of the power supply Syntax SOURce NORMal FREQuency LEVel IMMediate N...

Page 57: ...the minimum AC voltage of the power supply Syntax SOURce NORMal VOLTage AC MIN LEVel NRf Arguments NRf Query Syntax SOURce NORMal VOLTage AC MIN LEVel Returns NRf SOURce NORMal VOLTage DC MAX LEVel T...

Page 58: ...ry Syntax SOURce NORMal VOLTage DC MIN LEVel Returns NRf SOURce NORMal FREQuency MAX LEVel This command sets the maximum AC frequency of the power supply Syntax SOURce NORMal FREQuency MAX LEVel NRf A...

Page 59: ...phase angle of the power supply Syntax SOURce NORMal PHASe STARt LEVel IMMediate NRf Arguments NRf Query Syntax SOURce NORMal PHASe STARt LEVel IMMediate Returns NRf SOURce NORMal PHASe STOP LEVel IMM...

Page 60: ...ents AC DC AC DC Query Syntax SOURce NORMal MODE Returns AC DC AC DC SOURce OUTPut STATe This command sets the output state of the power supply Syntax SOURce OUTPut STATe 0 1 OFF ON Arguments 0 1 OFF...

Page 61: ...SOURce Subsystem Copyright Itech Electronic Co Ltd 49 Arguments NR1 1 99999 ms Query Syntax SOURce NORMal VRISETIME Returns NR1...

Page 62: ...set the current range of the power supply Syntax SOURce NORMal CURRent RANGe 0 1 2 AUTO HIGH LOW Arguments 0 1 2 AUTO HIGH LOW Query Syntax SOURce NORMal CURRent RANGe Returns AUTO HIGH LOW Note This...

Page 63: ...ax SOURce NORMal WAVE 0 1 2 3 4 SINE SQUA TRIANGLE SAW CLIPSINE Arguments 0 1 2 3 4 SINE SQUA TRIANGLE SAW CLIPSINE Query Syntax SOURce NORMal WAVE Returns SINE SQUA TRIANGLE SAW CLIPSINE SOURce NORMa...

Page 64: ...WAVE CSINe This command is used to set the clipped percentage of the Clip Sine waveform Syntax SOURce NORMal WAVE CSINe NRf Arguments NRf 0 100 0 0 100 0 Query Syntax SOURce NORMal WAVE CSINe Returns...

Page 65: ...OFF LEADING TRAILING Arguments 0 1 2 OFF LEADING TRAILING Query Syntax SOURce NORMal DIMMer MODe Returns OFF LEADING TRAILING SOURce NORMal SURGETRAP MODe This command enables or disables the Surge T...

Page 66: ...ce NORMal SURGETRAP WIDTH The command is used to set the surge trap width Syntax SOURce NORMal SURGETRAP WIDTH NRf Arguments NRf 0 01 100 00mS Query Syntax SOURce NORMal SURGETRAP WIDTH Returns NRf SO...

Page 67: ...used to set the output timer function Syntax SOURce NORMal OFFTIMER MODe 0 1 OFF ON Arguments 0 1 OFF ON Query Syntax SOURce NORMal OFFTIMER MODe Returns OFF ON SOURce NORMal OFFTIMER This command is...

Page 68: ...he OVPrms value Syntax PROTect RMS VOLTage NRf Arguments NRf Query Syntax PROTect RMS VOLTage Returns NRf PROTect PEAK VOLTage This command is used to set the OVPpeak value Syntax PROTect PEAK VOLTage...

Page 69: ...S UNVOLTage Returns NRf PROTect RMS CURRent This command is used to set the OCPrms value Syntax PROTect RMS CURRent NRf Arguments NRf Query Syntax PROTect RMS CURRent Returns NRf PROTect PEAK CURRent...

Page 70: ...ts NR1 0 9999 ms Query Syntax PROTect RMS CURRent TIME Returns NR1 PROTect RMS CURRent MAX LEVel This command is used to set the maximum value of the OCPrms setting value Syntax PROTect RMS CURRent MA...

Page 71: ...tax PROTect RMS CURRent MIN LEVel Returns NRf PROTect CLEar This command clears the protection status Syntax PROTect CLEar Arguments None PROTect SENse CHECK This command is used to set the sense chec...

Page 72: ...ower limit of the power supply Syntax PROTect POWer NRf Arguments NRf Query Syntax PROTect POWer Returns NRf PROTect MAX CURRent LIMit This command sets the max current limit of the power supply Synta...

Page 73: ...FF ON 0 1 Arguments OFF ON 0 1 Off After the Trigger key is pressed the instrument will automatically run the real time List file On After the Trigger key is pressed the instrument will run the realti...

Page 74: ...and is used to set the List step number Syntax LIST RECOrd NUM NR1 Arguments 1 50 Query Syntax LIST RECOrd NUM Returns 1 50 LIST REPeat This command is used to set the running times of list file Synta...

Page 75: ...DState Returns 0 1 LIST RUN RECOrd This command is used to query the record index during List running Syntax LIST RUN RECOrd Arguments None Returns NR1 LIST RUN STATe This command queries the List ope...

Page 76: ...ing state after the list program is running over 0 the instrument output is turned off after the execution is completed 1 keep outputting the last step when the dwell time is over Retain Arguments Thi...

Page 77: ...step Freq The frequency value set in a single step Time Dwell time for single step 0 100000000ms Start Phase Start phase angle of single step waveform Stop Phase Stop phase angle of single step wavef...

Page 78: ...ST RECOrder NR1 Returns String LIST RECOrder This command is used to query the record Arguments of a single Step in the List Syntax LIST RECOrder NR1 Arguments NR1 NR1 Step index Returns String String...

Page 79: ...e LIST RECall This command is used to recall a list file Syntax LIST RECall NR1 Arguments 1 5 Returns None LIST RUN This command is used to run the list file Syntax LIST RUN Arguments None Returns Non...

Page 80: ...LIST Subsystem IT M7700 Copyright Itech Electronic Co Ltd 68 Returns None...

Page 81: ...rm so when using the selfdefine waveform the actual output voltage peak value will be adjusted according to the priority of the selfdefine waveform effective value Calculated as follows Vrms OUT MAX V...

Page 82: ...tring SELFdefine RECAll NAME This command is used to query the saved self defined wave file name Syntax SELFdefine RECAll NAME NR1 Arguments 0 4 Returns String SELFdefine SAVE This command is used to...

Page 83: ...3 NRf Value 1 0 1 0 Query Syntax SELFdefine DATA NR1 Returns NRf SELFdefine RECAll This command is used to recall the self defined file Syntax SELFdefine RECAll String Arguments String File name Retur...

Page 84: ...ress of the host computer to send data to the online instrument Syntax CHANnel NR1 Arguments NR1 1 126 1 to 1 transmission 127 1 to multi transmission Query Syntax CHANnel Returns NR1 Note For the mul...

Page 85: ...ommand is used to read the state after CHANnel LINK is executed Syntax CHANnel ERRor Returns 0 No ID conflict multi channel function can be operated normally 1 Slave Master ID Conflict 2 Slave Slave I...

Page 86: ...Multi Channel command IT M7723 Copyright Itech Electronic Co Ltd 74...

Page 87: ...EPer SYSTem BEEPer SYSTem POWnon SYSTem POWnon SOURce RELAy MODe SOURce RELAy MODe SOURce NORMal VOLTage AC LEVel IMMediate AMPLitude SOURce NORMal VOLTage AC LEVel IMMediate AMPLitude SOURce NORMal V...

Page 88: ...NORMal MODE SOURce OUTPut STATe SOURce OUTPut STATe SOURce NORMal VRISETIME SOURce NORMal VRISETIME SOURce NORMal VOLTage RANGe SOURce NORMal VOLTage RANGe SOURce NORMal WAVE SOURce NORMal WAVE SOURce...

Page 89: ...OTect RMS CURRent PROTect PEAK CURRent PROTect PEAK CURRent PROTect RMS CURRent TIME PROTect RMS CURRent TIME PROTect RMS CURRent MAX LEVel PROTect RMS CURRent MAX LEVel PROTect RMS CURRent MIN LEVel...

Page 90: ...Ctor FETCh SCALar FREQuency FETCh SCALar CURRent PEAK FETCh SCALar THD FETCh SCALar POWer REACTive MEASure SCALar VOLTage AC MEASure SCALar VOLTage DC MEASure SCALar CURRent AC MEASure SCALar CURRent...

Page 91: ...e AC This command reads the Vrms value Syntax FETCh SCALar VOLTage AC Arguments None Returns NRf FETCh SCALar VOLTage DC This command reads the Vdc value Syntax FETCh SCALar VOLTage DC Arguments None...

Page 92: ...eads the Idc value Syntax FETCh SCALar CURRent DC Arguments None Returns NRf FETCh SCALar POWer REAL This command reads the active power Syntax FETCh SCALar POWer REAL Arguments None Returns NRf FETCh...

Page 93: ...eads the power factor Syntax FETCh SCALar POWer PFACtor Arguments None Returns NRf FETCh SCALar FREQuency This command reads the frequency Syntax FETCh SCALar FREQuency Arguments None Returns NRf FETC...

Page 94: ...harmonic distortion Syntax FETCh SCALar THD Arguments None Returns NRf FETCh SCALar CURRent THD This command reads the current harmonic distortion Syntax FETCh SCALar CURRent THD Arguments None Return...

Page 95: ...d reads the Vrms value Syntax MEASure SCALar VOLTage AC Arguments None Returns NRf MEASure SCALar VOLTage DC This command reads the Vdc value Syntax MEASure SCALar VOLTage DC Arguments None Returns NR...

Page 96: ...the Idc value Syntax MEASure SCALar CURRent DC Arguments None Returns NRf MEASure SCALar POWer REAL This command reads the active power Syntax MEASure SCALar POWer REAL Arguments None Returns NRf MEA...

Page 97: ...reads the power factor Syntax MEASure SCALar POWer PFACtor Arguments None Returns NRf MEASure SCALar FREQuency This command reads the frequency Syntax MEASure SCALar FREQuency Arguments None Returns...

Page 98: ...r CURRent THD Arguments None Returns NRf MEASure SCALar POWer REACTive This command reads the reactive power Syntax MEASure SCALar POWer REACTive Arguments None Returns NRf MEASure This command is use...

Page 99: ...Vdc Irms Idc Ipk_plus Ipk_minus W Real Power PF IPmax VA Q VAR VTHD Freq Vpeak VAC IAC ITHD Syntax FETCh Arguments None Returns Vrms Vdc Irms Idc Ipk_plus Ipk_minus W Real Power PF IPmax VA Q VAR VTHD...

Page 100: ...Syntax SOURce NORMal LINK Returns CONNECTED DISCONNECTED Note The response time of this command is at least greater than 1 second The following three phase series function commands apply All machines...

Page 101: ...MPLitude This command sets the AC voltage of the power supply Syntax SOURce NORMal VOLTage AC LEVel IMMediate AMPLitude A B C ALL NRf Arguments A B C ALL phase NRf AC voltage Query Syntax SOURce NORMa...

Page 102: ...tate of the power supply This command can synchronize all output or close Syntax SOURce OUTPut STATe 0 1 OFF ON Arguments 0 1 OFF ON output state Query Syntax SOURce OUTPut STATe Returns 0 1 OFF ON PR...

Page 103: ...x PROTect PEAK VOLTage A B C ALL Returns NRf NRf NRf NRf NRf NRf PROTect RMS UNVOLTage This command is used to set the UVPrms value Syntax PROTect RMS UNVOLTage A B C ALL NRf Arguments A B C ALL NRf Q...

Page 104: ...CURRent A B C ALL NRf Arguments A B C ALL NRf Query Syntax PROTect PEAK CURRent A B C ALL Returns NRf NRf NRf NRf NRf NRf PROTect RMS CURRent TIME This command is used to set the delay time of OCP Sy...

Page 105: ...ent limit of the power supply Syntax PROTect MAX CURRent LIMit A B C ALL NRf Arguments A B C ALL NRf Query Syntax PROTect MAX CURRent LIMit A B C ALL Returns NRf NRf NRf NRf NRf NRf SOURce NORMal VOLT...

Page 106: ...Syntax SOURce NORMal VOLTage AC MIN LEVel A B C ALL Returns NRf NRf NRf NRf NRf NRf PROTect RMS CURRent MAX LEVel This command is used to set the maximum value of the OCPrms setting value Syntax PROT...

Page 107: ...supply Syntax SOURce NORMal CURRent RANGe A B C ALL 0 1 2 AUTO HIGH LOW Arguments A B C ALL 0 1 2 AUTO HIGH LOW Query Syntax SOURce NORMal CURRent RANGe A B C ALL Returns 0 1 2 AUTO HIGH LOW SOURce R...

Page 108: ...ments A B C ALL 0 1 OFF ON Query Syntax SOURce NORMal OFFTIMER MODe A B C ALL Returns OFF ON SOURce NORMal OFFTIMER This command is used to set the setting value of output timer unit ms Syntax SOURce...

Page 109: ...C A B C ALL Arguments A B C ALL Returns NRf NRf NRf NRf NRf NRf FETCh SCALar CURRent AC This command reads the Irms value Syntax FETCh SCALar CURRent AC A B C ALL Arguments A B C ALL Returns NRf NRf N...

Page 110: ...OWer APParent A B C ALL Arguments A B C ALL Returns NRf NRf NRf NRf NRf NRf FETCh SCALar POWer PFACtor This command reads the power factor Syntax FETCh SCALar POWer PFACtor A B C ALL Arguments A B C A...

Page 111: ...B C ALL Returns NRf NRf NRf NRf NRf NRf FETCh SCALar VOLTage PEAK This command reads the positive peak voltage Syntax FETCh SCALar VOLTage PEAK A B C ALL Arguments A B C ALL Returns NRf NRf NRf NRf NR...

Page 112: ...LL Arguments A B C ALL Returns NRf NRf NRf NRf NRf NRf FETCh SCALar THD This command reads the total voltage harmonic distortion Syntax FETCh SCALar THD A B C ALL Arguments A B C ALL Returns NRf NRf N...

Page 113: ...C ALL Arguments A B C ALL Returns NRf NRf NRf NRf NRf NRf MEASure SCALar VOLTage AC This command reads the Vrms value Syntax MEASure SCALar VOLTage AC A B C ALL Arguments A B C ALL Returns NRf NRf NRf...

Page 114: ...ts A B C ALL Returns NRf NRf NRf NRf NRf NRf MEASure SCALar POWer APParent This command reads the apparent power Syntax MEASure SCALar POWer APParent A B C ALL Arguments A B C ALL Returns NRf NRf NRf...

Page 115: ...ts None Returns NRf MEASure SCALar CURRent PEAK This command reads the positive peak current Syntax MEASure SCALar CURRent PEAK A B C ALL Arguments A B C ALL Returns NRf NRf NRf NRf NRf NRf MEASure SC...

Page 116: ...ments A B C ALL Returns NRf NRf NRf NRf NRf NRf MEASure SCALar CURRent PEAK MINUs This command reads the positive minus peak current Syntax MEASure SCALar CURRent PEAK MINUs A B C ALL Arguments A B C...

Page 117: ...REACTive This command reads the reactive power Syntax MEASure SCALar POWer REACTive A B C ALL Arguments A B C ALL Returns NRf NRf NRf NRf NRf NRf MEASure This command is used to re read the values of...

Page 118: ...used to read the values of Arguments such as Vrms Vdc Irms Idc Ipk_plus Ipk_minus W Real Power PF IPmax VA Q VAR VTHD Freq Vpeak VAC IAC ITHD Syntax FETCh A B C Arguments A B C Returns Vrms Vdc Irms...

Page 119: ...Waveform Dimmer Surge Trap and List commands is a special command of IT M7721 IT M7722 IT M7723 IT M7723E but it s not suitable for IT M7721L IT M7722L Example 1 Identifying the Power Supply in Use Yo...

Page 120: ...0 NORMal FREQuency 50 0 NORMal PHASe STARt 45 0 NORMal PHASe STOP 0 0 NORMal WAVE SINE PROTect MAX CURRent LIMit 20 0 OUTPut ON MEASure VOLTage AC MEASure CURRent AC MEASure POWer MEASure POWer APPar...

Page 121: ...ote SELFdefine EDIT SELFdefine NUMber 1 SELFdefine NAME Selfuser1 SELFdefine DATA 0 0 5 SELFdefine DATA 1 0 4 SELFdefine SAVE Example 5 Dimmer Function The Dimmer Function aims to adjust the light ill...

Page 122: ...simulate abnormal voltage fluctuation on the basis of outputting Sin wave and test usage of the DUT under this circumstance Please enter the following command SYSTem REMote NORMal MODE AC NORMal VOLT...

Page 123: ...Copyright Itech Electronic Co Ltd 111 Please enter the following command SYSTem REMote LIST TRIGger MODe ON LIST STATe 1 LIST CONFigure 5 1 2 0 0 LIST RECOrder 1 0 1 100 0 110 0 0 0 50 0 1 0 0 180 0 1...

Page 124: ...0 0 0 0 50 0 1 0 0 180 0 1 1 1 2 LIST RECOrder 5 0 4 10 0 70 0 0 0 50 0 1 0 0 180 0 1 1 1 2 LIST SAVE 1 LIST STATe 0 View List File Before selecting and running the list program you can view the relat...

Page 125: ...LIST RECOrder 4 LIST RECOrder 5 LIST STATe 0 Run Stop List The user can run the existed list program as needed to enable outputting of corresponding waveform sequence by the power supply Detailed ope...

Page 126: ...Thank you for purchasing ITECH products If you have any doubt about this product please contact us as follow 1 Visit ITECH website www itechate com 2 Select the most convenient contact for further co...

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