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Pacific Power Source UPC-1, Руководство по эксплуатации

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Pacific Power Source UPC-1 Скачать руководство пользователя страница 107

SECTION 5 

REMOTE OPERATION 

 

95 

 

 

 

 

 

 

 

FIGURE 5.3 

SCPI STATUS REGISTERS MODEL 

VOLTage 
CURRent 

TIME 

POWer 

TEMPerature 

FREQuency 

PHASe 

MODulation 

CALibration 

not assigned 
not assigned 
not assigned 
not assigned 

INSTrument Summary 

Command Warning 

NOT USED

CALibration 

SETTing 

RANGing 

SWEeping 

MEASuring 

waiting for TRIGger summary 

waiting for ARM summary 

CORRection 

not assigned 
not assigned 
not assigned 
not assigned 
not assigned 

INSTrument Summary 

PROGram running 

NOT USED

ERROR/EVENT 

QUEUE

Queue 

Not Empty

To EEQ bit of 

STATUS BYTE 

(bit 2) 

To SQS bit of 

STATUS BYTE 

(bit 3) 

Logical OR 

Logical OR 

To SOS bit of 

STATUS BYTE 

(bit 7) 

[SYSTem:ERRor?] 

Æ

 FED INTO OUTPUT QUEUE 

QUEStionable status (enabled events) 

OPERation status (enabled events) 

Содержание UPC-1

Страница 1: ...UPC 3 UPC 1 PROGRAMMABLE CONTROLLERS FIRMWARE V4 25 AND LATER OPERATION MANUAL PACIFIC POWER SOURCE δ ...

Страница 2: ......

Страница 3: ...ODEL S N POWER SOURCE MODEL S N THE INFORMATION CONTAINED IN THIS MANUAL IS PROPRIETARY TO PACIFIC POWER SOURCE INC AND MAY NOT BE COPIED OR REPRINTED WITHOUT ITS EXPRESSED WRITTEN CONSENT PACIFIC POWER SOURCE INC 17692 Fitch Irvine CALIF 92614 SECOND EDITION COPYRIGHT C PPSI MARCH 2004 ...

Страница 4: ...alifornia This warranty does not cover batteries It does not cover damage arising from misuse of the unit or attempted field modifications or repairs This warranty specifically excludes damage to other equipment connected to this unit Upon notice from the purchaser within 30 days of shipment of units found to be defective in material or workmanship PPS will pay all shipping charges for the repair ...

Страница 5: ...CIFICATIONS 10 2 1 5 OUTPUT POWER FORM CONTROL SPECIFICATIONS 10 2 1 6 PHASE ANGLE CONTROL SPECIFICATIONS 11 2 1 7 WAVEFORM SYNTHESIS SPECIFICATIONS 11 2 2 METERING SPECIFICATIONS 12 2 2 1 VOLTMETER SPECIFICATIONS 12 2 2 2 AMMETER SPECIFICATIONS 12 2 2 3 kVA METER SPECIFICATIONS 12 2 2 4 KILOWATT METER SPECIFICATIONS 13 2 2 5 POWER FACTOR METER SPECIFICATIONS 13 2 2 6 FREQUENCY DISPLAY SPECIFICATI...

Страница 6: ...ESS option 26 4 FRONT PANEL OPERATION 27 4 1 GUIDE TO QUICK OPERATION 27 4 1 1 QUICK OVERVIEW 27 4 1 2 QUICKLY PUTTING THE UNIT TO USE 30 4 2 FRONT PANEL CONTROLS AND INDICATORS 32 4 2 1 POWER SOURCE FRONT PANEL 32 4 2 2 UPC FRONT PANEL 33 4 3 MANUAL MODE 35 4 3 1 METERING DISPLAYS 35 4 3 2 VOLTAGE ENTRY 38 4 3 3 FREQUENCY CONTROL 38 4 4 PROGRAM OPERATE MODE 38 4 4 1 PROGRAM EXECUTION 39 4 4 2 TRA...

Страница 7: ... 1 IEEE 488 1 INTERFACE FUNCTIONS 97 5 6 2 IEEE 488 2 DEVICE CONTROL COMMANDS 98 5 7 REMOTE CONTROL EXAMPLES 99 5 7 1 EXAMPLE OF STORING A PROGRAM 100 5 7 2 EXAMPLE OF PROGRAM QUERY 101 5 7 3 EXAMPLE OF EXECUTING A STORED PROGRAM 102 5 7 4 EXAMPLE OF EXECUTING A STORED PROGRAM TRANSIENT 102 5 7 5 EXAMPLE OF DIRECTLY CHANGING THE OUTPUT PARAMETERS 102 5 7 6 EXAMPLE OF VOLTAGE and CURRENT MEASUREMEN...

Страница 8: ...0 2 SERIAL PORT SPECIFICATIONS 115 10 3 SETUP 116 10 4 OPERATION 116 10 4 1 COMMUNICATION MONITORING AID 116 10 4 2 FUNCTIONAL EXCEPTIONS 117 10 4 3 FUNCTIONAL ADDITIONS 117 10 5 PHYSICAL CONNECTIONS 117 10 6 TESTING THE RS 232 REMOTE INTERFACE 118 INDEX 119 NOTES 122 MODIFICATIONS 123 ...

Страница 9: ...E 2 3 8 J2 METERING INPUTS 19 FIGURE 2 4 J4 GPIB REMOTE INTERFACE 20 FIGURE 3 5 INSTALLATION 24 FIGURE 4 1 POWER SOURCE FRONT PANEL 31 FIGURE 4 5 2 1 MIL STD 704D UNDERVOLTAGE TRANSIENT 56 FIGURE 4 5 2 2 SPIKE TRANSIENT 56 FIGURE 4 6 2 1 EDITED WAVEFORM 62 FIGURE 5 1 STATUS BYTE MODEL 91 FIGURE 5 2 STANDARD EVENT REGISTER MODEL 92 FIGURE 5 3 SCPI STATUS REGISTERS MODEL 95 ...

Страница 10: ...ICKLY PUT THE UNIT TO USE 4 1 2 READ HARMONIC SPECTRUM 4 3 1 1 READ OUTPUT POWER 4 3 1 READ OUTPUT POWER FACTOR 4 3 1 READ OUTPUT CURRENT CREST FACTOR 4 3 1 READ OUTPUT VOLTAGE 4 3 1 READ OUTPUT FREQUENCY INDICATOR 4 3 1 READ OUTPUT CURRENT 4 3 1 SELECT LOCAL or REMOTE OPERATION 5 1 SELECT METERING SENSE POINT INTERNAL EXTERNAL 4 6 3 1 SET CSC CONTINUOUS SELF CALIBRATION 4 6 3 1 SET BAUD RATE FOR ...

Страница 11: ...1 5 7 3 EXECUTE A TRANSIENT 5 4 1 5 7 4 READ HARMONIC SPECTRUM 5 5 2 READ OUTPUT POWER 5 5 2 5 7 6 READ OUTPUT POWER FACTOR 5 5 2 5 7 6 READ OUTPUT CURRENT CREST FACTOR 5 5 2 5 7 6 READ OUTPUT VOLTAGE 5 5 2 5 7 6 READ OUTPUT FREQUENCY INDICATOR 5 5 2 5 7 6 READ OUTPUT CURRENT 5 5 2 5 7 6 SELECT LOCAL or REMOTE OPERATION 5 1 SELECT METERING SENSE POINT INTERNAL EXTERNAL 5 4 2 SET CSC CONTINUOUS SEL...

Страница 12: ...SECTION 1 GENERAL viii THIS PAGE INTENTIONALLY BLANK ...

Страница 13: ...ibes the serial specifications and setup The HOW TO pages immediately following the Table of Contents are a helpful reference for the first time user as well as the experienced user Also very helpful is the QUICK OVERVIEW section 4 1 1 and QUICKLY PUTTING THE UNIT TO USE section 4 1 2 Remote interface users will find the REMOTE INTERFACE FUNCTION REFERENCE to be helpful 1 2 SAFETY NOTICES The UPC ...

Страница 14: ... AND NECK WHEN SERVICING THIS EQUIPMENT THIS PREVENTS THE POSSIBILITY OF SHORTING THROUGH THE JEWELRY AND CAUSING BURNS OR ELECTROCUTION OF THE OPERATOR 2 WEAR SAFETY GLASSES WHEN SERVICING THIS EQUIPMENT TO PREVENT EYE INJURY DUE TO FLYING PARTICLES CAUSED BY ACCIDENTAL SHORT CIRCUIT CONDITIONS 3 DO NOT REMOVE ANY PANEL OR COVER WITHOUT FIRST REMOVING THE INPUT SERVICE BY OPENING ALL CIRCUIT BREA...

Страница 15: ...satile one two or three phase signal generator It is designed to be installed into Pacific Power Source s ASX Series Power Sources or into a System Control Unit for use with other power sources The UPC is designed for use with any of Pacific Power Source Inc s AC Power Sources and is interchangeable with other UPC UMC Series controllers The user may store up to 99 Programs in battery backed up RAM...

Страница 16: ...oltage to be checked prior to applying power to a load External metering allows the output voltage to be monitored at a remote point outside of the power source With CSC enabled see below external sense can be used to maintain an accurate voltage at any remote point compensating for line voltage drops The CSC Continuous Self Calibration feature provides automatic compensation for real losses due t...

Страница 17: ...SECTION 1 GENERAL 5 PACIFIC Figure 1 3a SCU UPC 3 Figure 1 3b UPC 3 Figure 1 3c UPC 1 ...

Страница 18: ... AMX ASX Series chassis which is 1Φ 2Φ 3Φ capable The UPC 1 is identical in characteristics to the UPC 3 except that it produces only one output signal It is designed to plug in to any single phase only PACIFIC AMX or ASX model power source The UPC 3M and UPC 1M are manually operated controller versions with no programming capability 1 3 3 SCU DESCRIPTION The System Control Unit is a 19 inch wide ...

Страница 19: ...ge FREQUENCY SPAN see 4 5 3 2 FREQUENCY SPAN WAVEFORM STEPS METERING SAMPLES 15 00 150 Hz 1024 512 15 00 300 Hz 512 256 15 00 600 Hz 256 128 15 00 1200 Hz 128 64 Accuracy is 0 01 of full scale over the full range of ambient conditions A unique feature available within the UPC is TRANSITION TIME If Transition time is set to a non zero value and a new program is executed or changes are made in MANUA...

Страница 20: ... value in the UPC STATUS screen and in the program to be executed The power source must have an output transformer configured with the same ratio as presently set for this feature to work properly TRANSFORMER RATIOs greater than 1 0 are step up types TRANSFORMER RATIOs less than 1 0 are step down types Accuracy is 0 5 of full scale over the range of ambient conditions with CSC disabled Accuracy is...

Страница 21: ...e varies anywhere from 100 mSec to 200 mSec and only responds while the UPC is metering not while in Program Edit or Setup mode 3 CSC operates independently of selected waveform does not increase distortion and is stable into any PF load 4 Automatically switches between internal and remote voltage sensing as the metering function is switched between INT and EXT 5 CSC does NOT function during Trans...

Страница 22: ...and reset as follows EDITABLE WAVEFORM DESCRIPTION 1 SINE WAVE 2 TRIANGLE 12 7 THD 3 SQUARE 38 6 THD 4 PULSE 30º WIDTH 153 Avg THD 5 22 SINE WAVE NOTE THD is measured as RMS THD with a Distortion Analyzer unless noted above For other waveforms Waveform Edit 4 6 2 1 allows modification of existing waveforms and the Waveform Synthesis Harmonic Analysis and Synthesis option allows creation of wavefor...

Страница 23: ...z 0 5º 15 00 300 Hz 1º 15 00 600 Hz 2º 15 00 1200 Hz 3º 2 1 7 WAVEFORM SYNTHESIS SPECIFICATIONS Option Harmonic Analysis and Synthesis HARMONIC RANGE 2 through 51 MAGNITUDE Percentage referenced to the fundamental always defined as 100 Range 0 to 999 Resolution 0 1 Accuracy 1 referenced to the fundamental PHASE ANGLE Based on a Sine series Range 0º to 359 9º Resolution 0 1º Accuracy 2 of Full Scal...

Страница 24: ...r phase Both Peak and RMS values are displayed Current crest factor is displayed as the ratio Ipk Irms Amp Meter range Amps to Volts ratio x 10 divided by 3 if 3 Φ form is used DISPLAY Range 00 01 99 99 Amps rms or Peak DISPLAY Resolution 0 01 Amps rms or Peak The Remote interface may provide 3 digits of precision number of digits to the right of the decimal point Accuracy 0 2 of Full Scale calibr...

Страница 25: ...uency Span can be specified see 4 6 3 2 Range 15 00 1200 Hz 10 00 to 99 99 Hz 0 01 Hz 100 0 to 999 9 Hz 0 1 Hz Resolution 1000 to 1200 Hz 1 Hz Accuracy over the full range of ambient conditions 0 01 of full scale 2 2 7 WAVEFORM ANALYSIS Option Harmonic Analysis and Synthesis The UPC WAVEFORM ANALYSIS function is an optional feature which derives harmonic content values for any of the output voltag...

Страница 26: ...orest with pulse type waveforms and those containing many discontinuities when resolving high order harmonics 2 3 ELECTRICAL INTERFACE 2 3 1 ISOLATION The UPC contains one isolated power supply for all circuits The REMOTE interface is NOT isolated from the CPU or oscillator sections The UPC s circuits may float with respect to GND but this is not recommended In the Power Source provision is made a...

Страница 27: ...SENSE CMD External metering command XFMR CPLD CMD Transformer coupled output command OUTPUT ON CMD Close output relay command PSM1 3 CMD Power Supply Management commands 2 3 5 OUTPUT CONFIRMATIONS Digital inputs are 15 VDC positive logic The power source sends the following control signals to the UPC on J3 NAME FUNCTION CONNECTOR CONF Verify UPC is connected to power source loops back the CONNECTO...

Страница 28: ... 16 SPARE CMD 4 XFMR CPLD CMD 17 OUTPUT 0N CMD 5 LV COMMON 18 SPARE CONF 6 SPARE CONF 19 CONNECTOR CONF 7 SHUTDOWN CONF 20 3Φ ON CONF 8 1Φ ON CONF 21 XFMR CPLD CONF 9 LV COMMON 22 SPARE CONF 10 ΦA OSC LO 23 ΦA OSC HI 11 ΦB OSC LO 24 ΦB OSC HI 12 ΦC OSC LO 25 ΦC OSC HI 13 Figure 2 3 3 J3 CONTROL AND OSCILLATOR ...

Страница 29: ...ram Vaux x 50 x XFMRratio Three AM Inputs are provided on J5 one per phase Varying DC voltage may be used to Amplitude Modulate the output AM Input voltage range Vam 10Vdc 20Vpk pk Input impedance 600 ohms Power source OUTPUT VOLTAGE Vprogram Vam 10 x 204 5 x XFMRratio The maximum voltage is limited by the output voltage range of the power source NOTE Attempting to drive the OUTPUT VOLTAGE beyond ...

Страница 30: ...IENT PEDESTAL 3 LV COMMON 16 DRM 4 LV COMMON 17 SYNC OUT 5 18 6 19 7 ΦA AM LO 20 ΦA AM HI 8 ΦB AM LO 21 ΦB AM HI 9 ΦC AM LO 22 ΦC AM HI 10 ΦA AUX IN LO 23 ΦA AUX IN HI 11 ΦB AUX IN LO 24 ΦB AUX IN HI 12 ΦC AUX IN LO 25 ΦC AUX IN HI 13 Figure 2 3 6 J5 AUXILIARY INPUTS AND OUTPUTS ...

Страница 31: ...ar of SCU ΦA CURRENT HI 1 ΦA CURRENT LO 14 ΦB CURRENT HI 2 ΦB CURRENT LO 15 ΦC CURRENT HI 3 ΦC CURRENT LO 16 1Φ CURRENT LO 4 1Φ CURRENT HI 17 1Φ ΦA VOLTS HI 5 1Φ ΦA VOLTS LO 18 ΦB VOLTS HI 6 ΦB VOLTS LO 19 ΦC VOLTS HI 7 ΦC VOLTS LO 20 SPARE HI 8 SPARE LO 21 9 LV COMMON 22 10 LV COMMON 23 11 LV COMMON 24 12 LV COMMON 25 13 Figure 2 3 8 J2 METERING INPUTS ...

Страница 32: ...iguration and section 5 for programming information J4 Rear of SCU DI 01 1 DI 05 13 DI 02 2 DI 06 14 DI 03 3 DI 07 15 DI 04 4 DI 08 16 EOI End Or Identify 5 REN Remote Enable 17 DAV DAta Valid 6 LV COMMON 18 NRFD Not Ready For Data 7 LV COMMON 19 NDAC Not Data ACcepted 8 LV COMMON 20 IFC InterFace Clear 9 LV COMMON 21 SRQ Service ReQuest 10 LV COMMON 22 ATN ATteNtion 11 LV COMMON 23 SHEILD 12 LV C...

Страница 33: ...IS EQUIPMENT CONTAINS HIGH ENERGY LOW IMPEDANCE CIRCUITS LETHAL POTENTIALS ARE CONTAINED WITHIN THE CABINET DO NOT REMOVE ANY PANELS OR COVERS WITHOUT FIRST REMOVING THE INPUT SERVICE POWER AND OPENING ALL CIRCUIT BREAKERS CAUTION Read Section 3 INSTALLATION before installing or operating this equipment Installation of an UPC into a SCU consists of the following steps STEP DESCRIPTION REFERENCE 1 ...

Страница 34: ...nel of the SCU Reattach mounting hardware to J5 Remove J6A of the SCU from P6A of the UPC PCB Remove J3B of the SCU from P3B of the LED PCB 3 3 REMOVE EXISTING CONTROLLER Remove the LED PCB by removing the 4 nuts holding the LED PCB to the SCU front panel Remove the existing controller by removing the 2 nuts holding the UPC front panel to the SCU front panel 3 4 INSTALL UPC NOTE Most users will no...

Страница 35: ... the UPC to the rear panel of the SCU Connect J6A of the SCU to P6A of the UPC PCB Place the top cover on top and install six screws 3 6 CONNECT INPUT SERVICE Verify the Input Power Circuit Breaker on the front panel is off Connect the Input Line Cord to the back of the SCU chassis Verify the 115 230 volt switch on the rear panel is set to the correct position Input frequency may be 50 400 Hz CAUT...

Страница 36: ...VOLTAGE 115V 230V INPUT POWER P2A J5 J2 METERING AUX I O J5 J10 J4 J6 J4 GPIB J3 FIGURE 3 5 INSTALLATION ATTACH J5 TO REAR PANEL ATTACH J4 TO REAR PANEL CONNECT J2A HEADER TO P2A SOCKET CONNECT J6A TO P6A 133071 LED ASSY 2 PLACES ATTACH UPC TO SCU CONNECT P3A TO J3A CIRCUIT ASSYS KEYBOARD DISPLAY OSC B OSC C GPIB CPU ...

Страница 37: ...g of 2 5 is implied as a ratio of 2 5 1 NOTE A TRANSFORMER RATIO value of 0 indicates that no transformer is installed 3 7 2 CONFIGURE AMPS TO VOLTS RATIO NOTE Most users will not need to concern themselves with the following configuration issue as it is set at the factory if the UPC is packaged with a power source The ammeter scale is selected by the AMPS TO VOLTS RATIO value multiplied by a fact...

Страница 38: ...esult in the UPC displaying a PARITY ERROR FRAMING ERROR and or OVERRUN ERROR Sending a BREAK signal will result in a BREAK RCVD message and will terminate data transmission in progress from the UPC See Section 10 for more detail 3 7 4 CONFIGURE GPIB DEVICE ADDRESS option Set the GPIB DEVICE ADDRESS as desired The GPIB device address is set via the UPC STATUS display screen Default address is 1 Se...

Страница 39: ...om its front panel keyboard LOCAL CONTROL operation or by its Data Bus REMOTE CONTROL operation RS 232 serial or IEEE 488 GPIB A host computer can force REMOTE CONTROL when the UPC is displaying a Metering display LOCAL CONTROL can be resumed either by a bus command GoTo Local or by manually pressing the LOCAL key The host computer can force retention of REMOTE CONTROL by issuing a lockout command...

Страница 40: ...ly executing can be edited without disrupting power source output For example if program 15 is executing program 23 can be edited without interrupting execution of program 15 The SETUP MODE is used to make changes in system configuration Examples are Copy and Delete Programs Copy Edit and Create Waveforms Set Min and Max Voltage Limits Set Min and Max Frequency Limits Engage and Disengage CSC Cont...

Страница 41: ...ram number 1 99 and press ENTER to display the values stored in that program Press EDIT to allow changes to the values stored in that program ENTER to move the cursor through the screen and STORE to save the values SETUP MODE para 4 6 Pressing the fn key presents the menu list of SETUP features It is used to copy and delete programs erase memory copy and edit waveforms set meter sense points toggl...

Страница 42: ... Frequency entries in the upper right corner of the display as the user is entering or changing them 4 TO CHANGE VOLTAGE Light the Va Vb and or Vc LEDs by pressing the keys below them Now perform one of the following steps A Enter a numeric value on the keypad and press EXECUTE or B Press the UP or DOWN arrows or to slew the voltage The phases that are indicated by the V LEDs will be changed to th...

Страница 43: ...SECTION 4 OPERATION 31 PA CIFIC FIGURE 4 1 POWER SOURCE FRONT PANEL ...

Страница 44: ...TO to allow the UPC to control the Output Relay In the OFF position the UPC cannot close the Output Relay 3 OUTPUT POWER LEDs ON is illuminated when the Output Relay is closed OFF when the Output Relay is open SHUTDOWN indicates the Power Source is in an error condition 4 OUTPUT COUPLING LEDs DIRECT is illuminated when the Power Amplifier is directly connected to the Output Relay TRANSFORMER is il...

Страница 45: ...ss shall clear an entry and allow new values to be entered The second key press shall backup the cursor one field If several key presses backup to the first field in a display the next key press shall abort edit functions and return to the V I METER display 12 Va Vb Vc and F KEYs and LEDs From the V I METER display pressing any of these keys causes MANUAL MODE to be active When an LED is lit this ...

Страница 46: ...CUTE KEY In MANUAL MODE causes the output to change to new values In PROGRAM OPERATE MODE causes a new program to be executed In PROGRAM EDIT MODE and in the PROGRAM display causes the program to be saved and executed In SETUP MODE is used to change the setup of the UPC 19 ARROW or KEYS When in MANUAL MODE pressing an ARROW key causes the selected parameters to slew up or down 20 TRANS KEY When in...

Страница 47: ...isplay is active pressing the DISPLAY key will abort common edit functions and return to a metering display The V I METER display indicates FREQuency metering SENSE point INTernal or EXTernal and MANUAL MODE or PROGRAM executing This display meters true RMS Voltage line to neutral and line to line and true RMS current V I METER ENTRY 120 0 FREQ 60 00 Va 120 0 Vb 120 0 Vc 120 0 SENSE INT Vab 208 0 ...

Страница 48: ... 2nd 3rd 4th CONTENT 100 0 17 0 09 0 03 ΦANGLE 0º 49º 14º 315º THD is TOTAL HARMONIC DISTORTION for all harmonics of the selected parameter and phase OHD is ODD HARMONIC DISTORTION for all harmonics of the selected parameter and phase EHD is EVEN HARMONIC DISTORTION for all harmonics of the selected parameter and phase CONTENT is displayed as a percent of the amplitude of the fundamental or as abs...

Страница 49: ...in the Frequency Span setup screen para 2 1 1 4 6 3 2 and 5 4 1 The value of Number of Samples to Analyze will be as listed below The accuracy of the harmonic calculations improves as the Number of Samples increases There is a small increase in the calculation time Fre quency Span Hz Number of Samples number of harmonics displayed Time of calculation approx 15 150 512 51 3 sec 15 300 256 51 2 sec ...

Страница 50: ...ht the F LED by pressing that key Pressing an ARROW key or causes the frequency to slew up or down Entering a number then pressing EXECUTE causes the frequency to change to the new value The upper right corner of the display shows the most recently entered frequency For example to change to 60 50 Hz light the F LED enter 60 50 and press EXECUTE The Power Source should now be generating 60 50 Hz V ...

Страница 51: ...UPC must be in Program Operate Mode to execute a transient and the executing program must have a transient stored this is indicated by SEGS 1 or more in the lower left hand corner of PROGRAM display From any metering display pressing the TRANS key will start a transient at positive zero crossing of phase A Pressing the TRANS key again will initiate a new transient instance or stop the transient if...

Страница 52: ...D TRANSIENT PROGRAMS The UPC is capable of producing the Voltage and Frequency excursions required by MIL STD 704D Programs 100 103 are permanent pre stored non executable transient programs These permanent programs may be copied to any of programs 1 99 for execution To copy programs see section 4 6 1 1 Program 100 is a MIL STD 704D over voltage transient Program 101 is a MIL STD 704D under voltag...

Страница 53: ... power source will produce the under voltage transient excursion as defined by MIL STD 704D Paragraph 5 2 3 2 1 The power source must be configured for a voltage range of at least 108Vrms to perform this test INITIAL CONDITIONS fo 400 Hz Nominal Steady State Value Va Vb Vc 108 VAC Low Line Steady State Limit WFa 1 WFb 1 WFc 1 DIRECT COUPLED TRANSIENT COMMAND SEQUENCE Segment 1 F 400 Hz Va 80 Vb 80...

Страница 54: ... range of at least 115Vrms to perform this test INITIAL CONDITIONS fo 407 Hz Maximum Steady State Limit Va Vb Vc 115 VAC Nominal Steady State Value WFa 1 WFb 1 WFc 1 DIRECT COUPLED TRANSIENT COMMAND SEQUENCE Segment 1 F 425 Hz Va 115 Vb 115 Vc 115 T 0 0002 Segment 2 F 425 Va 115 Vb 115 Vc 115 T 1 Segment 3 F 420 Va 115 Vb 115 Vc 115 T 0 0002 Segment 4 F 420 Va 115 Vb 115 Vc 115 T 4 Segment 5 F 410...

Страница 55: ...e range of at least 115Vrms to perform this test INITIAL CONDITIONS fo 393 Hz Minimum Steady State Limit Va Vb Vc 115 VAC Nominal Steady State Value WFa 1 WFb 1 WFc 1 DIRECT COUPLED TRANSIENT COMMAND SEQUENCE Segment 1 F 375 Hz Va 115 Vb 115 Vc 115 T 0 0002 Segment 2 F 375 Va 115 Vb 115 Vc 115 T 1 Segment 3 F 380 Va 115 Vb 115 Vc 115 T 0 0002 Segment 4 F 380 Va 115 Vb 115 Vc 115 T 4 Segment 5 F 39...

Страница 56: ... Phase Output Relay Only ΦA and ΦB Output Terminals will become active and are 180º out of phase Voltages are programmed phase to phase This may be called split phase and can be loaded between the ΦA and ΦB Output Terminals or from either phase to N neutral at half voltage FORM 3 enables 3 phase output and the Power Source is connected to the 3 Phase Output Relay ΦA ΦB and ΦC Output Terminals will...

Страница 57: ...m at the rms voltage programmed Because of the difference in the rms voltage content of various waveforms the UPC may not be able to reproduce the waveform at the voltage desired If the waveform is peak voltage limiting then selecting transformer coupled output with a higher ratio may solve this problem Ilim Programmable current limit can be set as desired The range will change depending upon whic...

Страница 58: ...DIRECT FREQ 60 Va 120 Vb 120 Vc 120 WFa 1 WFb 1 WFc 1 SEGS 0 Ilim 50 PHb 120º PHc 240º Press 3 ENTER to select 3 phase form PROGRAM 4 FORM 3 COUPLING DIRECT FREQ 60 Va 120 Vb 120 Vc 120 WFa 1 WFb 1 WFc 1 SEGS 0 Ilim 50 PHb 120º PHc 240º Press ENTER to select DIRECT coupling If XFMR is shown press then ENTER PROGRAM 4 FORM 3 COUPLING DIRECT FREQ 60 Va 120 Vb 120 Vc 120 WFa 1 WFb 1 WFc 1 SEGS 0 Ilim...

Страница 59: ...120º PHc 240º Press ENTER to select default maximum Ilim for this Power Source PROGRAM 4 FORM 3 COUPLING DIRECT FREQ 400 Va 108 Vb 108 Vc 108 WFa 1 WFb 1 WFc 1 SEGS 0 Ilim 50 PHb 120º PHc 240º Press 120 ENTER 240 ENTER to select 120º phase shift for phase B and 240º phase shift for phase C referenced to phase A PROGRAM 4 FORM 3 COUPLING DIRECT FREQ 400 Va 108 Vb 108 Vc 108 WFa 1 WFb 1 WFc 1 SEGS 0...

Страница 60: ...n number of cycles and is therefore dependent on frequency Custom waveforms can be created see 4 6 2 or the existing waveform table see 2 1 4 may be used The UPC can store up to 500 transient segments total It is not possible to have 99 Programs with each having a 50 segment transient Transient sequences can be repeated from single events to endless looping terminated by the operator Transient vol...

Страница 61: ... waveform This is useful for switching in different waveforms on a cycle by cycle basis for sub cycle transients Va Vb Vc Line to neutral voltages are entered for 1Φ and 3Φ Forms Line to Line voltages are entered for 2Φ operation Direct Coupled output 0 to 150 Vrms in steps of 0 1 volts Transformer coupled output 0 to 375 Vrms in steps of 0 5 volts if XFMR Ratio is 2 5 FREQ Any desired output freq...

Страница 62: ...1 WFb 1 WFc 1 Press 1 ENTER ENTER to select segment 1 of 1 TRANSIENT PRGM 4 SEGMENT 1 OF 1 T 0002 Va 108 Vb 108 Vc 108 F 400 WFa 1 WFb 1 WFc 1 Press OOO2 ENTER to select a time 0002 seconds This is the smallest time allowed for a time based transient segment TRANSIENT PRGM 4 SEGMENT 1 OF 1 T 0 0002 Va 108 Vb 108 Vc 108 F 400 WFa 1 WFb 1 WFc 1 Press 80 ENTER 80 ENTER 80 ENTER to select 80 volts on ...

Страница 63: ...2 T 0 0002 Va 108 Vb 108 Vc 108 F 400 WFa 1 WFb 1 WFc 1 Press ENTER ENTER 01 ENTER to select default segment 2 of 2 and a time 10 milliseconds TRANSIENT PRGM 4 SEGMENT 2 OF 2 T 01 Va 108 Vb 108 Vc 108 F 400 WFa 1 WFb 1 WFc 1 Press 80 ENTER 80 ENTER 80 ENTER to select 80 volts on all three phases TRANSIENT PRGM 4 SEGMENT 2 OF 2 T 0 01 Va 80 Vb 80 Vc 80 F 400 WFa 1 WFb 1 WFc 1 Press 400 ENTER to sel...

Страница 64: ... 01 Va 108 Vb 108 Vc 108 F 400 WFa 1 WFb 1 WFc 1 Press ENTER ENTER 07 ENTER to select default segment 3 of 3 and a time 70 milliseconds TRANSIENT PRGM 4 SEGMENT 3 OF 3 T 07 Va 108 Vb 108 Vc 108 F 400 WFa 1 WFb 1 WFc 1 Press 108 ENTER 108 ENTER 108 ENTER to select 108 volts on all three phases TRANSIENT PRGM 4 SEGMENT 3 OF 3 T 0 07 Va 108 Vb 108 Vc 108 F 400 WFa 1 WFb 1 WFc 1 Press 400 ENTER to sel...

Страница 65: ... METER FREQ 400 0 Va 108 0 Vb 108 0 Vc 108 0 SENSE INT Vab 187 1 Vbc 187 1 Vca 187 1 MANUAL MODE Ia 00 0 Ib 00 0 Ic 00 0 If the UPC was previously executing program 4 it will now be in MANUAL MODE This is because program 4 has changed To execute the transient you must first execute program 4 Press PROGRAM 4 ENTER EXECUTE to execute the program V I METER FREQ 400 0 Va 108 0 Vb 108 0 Vc 108 0 SENSE ...

Страница 66: ...elect segment 1 of 1 TRANSIENT PRGM 4 SEGMENT 1 OF 1 T 0002 Va 108 Vb 108 Vc 108 F 400 WFa 1 WFb 1 WFc 1 Press 0 ENTER to select a cycle based transient TRANSIENT PRGM 4 SEGMENT 1 OF 1 T 1 CYCLE Va 108 Vb 108 Vc 108 F 400 WFa 1 WFb 1 WFc 1 Press 122 ENTER 122 ENTER 122 ENTER to enter 122 volts on all three phases Note 122 volts is higher than the 108 volts of the steady state program This will cau...

Страница 67: ... SENSE INT Vab 187 1 Vbc 187 1 Vca 187 1 MANUAL MODE Ia 00 0 Ib 00 0 Ic 00 0 If the UPC was previously executing program 4 it will now be in MANUAL MODE This is because program 4 has changed To execute the transient you must first execute program 4 Press PROGRAM 4 ENTER EXECUTE to execute the program V I METER FREQ 400 0 Va 108 0 Vb 108 0 Vc 108 0 SENSE INT Vab 187 1 Vbc 187 1 Vca 187 1 PROGRAM 4 ...

Страница 68: ...2 1 TIME BASED TRANSIENT MIL STD 704D UNDERVOLTAGE TRANSIENT CYCLE BASED TRANSIENT FIGURE 4 5 2 2 SPIKE TRANSIENT O U T P U T V O L T S START OF TRANSIENT END OF TRANSIENT SEGMENT 1 SEGMENT SEGMENT TIME MILLISECONDS 108 VAC MIN STEADY STATE LIMIT WAVEFORM 1 WAVEFORM 2 WAVEFORM 3 SEGMENT 1 USES WAVEFORM 15 ...

Страница 69: ...e Memory Set Amps to Volts Current Metering Ratio Define Current Transformer Location Set Output Range for power sources that support it Display and set the Number of Power Source Amplifiers Synthesize Waveforms from Harmonic values Option Calibrate Programmable output impedance Option Enable and Set Programmable Output Impedance Option From any meter display press the fn key to enter SETUP MODE S...

Страница 70: ...is a MIL STD 704D under voltage transient Program 102 is a MIL STD 704D over frequency transient Program 103 is a MIL STD 704D under frequency transient These programs may be copied to any of programs 1 99 and executed DESTINATION PROGRAM NUMBER 1 99 are user created programs that may be edited or copied to and from NOTE You cannot copy to a program that is currently executing 4 6 1 2 DELETE PROGR...

Страница 71: ...s the same as a power off power on sequence ERASE ALL RAM AND RESET CPU WARNING THIS WILL ERASE ALL PROGRAMS AND EDITED WAVEFORMS PRESS EXECUTE TO ERASE RAM AND RESET CPU Press EXECUTE to ERASE ALL RAM AND RESET CPU NOTE All Programs Waveforms and Calibration data will be erased when RAM is cleared If the programming has been corrupted and will not start properly an alternative to the above method...

Страница 72: ...se of the difference in the rms voltage content of various waveforms the UPC may not be able to reproduce the waveform at the voltage desired If the waveform is peak voltage limiting then selecting transformer coupled output with a higher ratio may solve this problem Basic sinusoidal waveforms with large dropouts or spikes will change the rms content of the waveform Depending on the TRANSIENT WFs ...

Страница 73: ...the starting and ending phase angles EDIT WAVEFORM NUMBER 2 RANGE 2 22 STARTING PHASE ANGLE 85 0 359 9º ENDING PHASE ANGLE 95 0 359 9º VOLTAGE IN PERCENT 100 0 100 Press EXECUTE to save the new waveform This will cause the UPC to temporarily stop producing any output signal while the new waveform data is being calculated internally in the UPC After entering the VOLTAGE IN PERCENT data pressing EDI...

Страница 74: ...SECTION 4 OPERATION 62 90 0 100 0 85 95 100 90 FIGURE 4 6 2 1 EDITED WAVEFORM ...

Страница 75: ...st copy waveform 1 to waveform 2 at a 90 amplitude scale factor This will allow 10 more voltage at the peak of the sine wave to accommodate the spike Then you may edit waveform 2 and add a 10 spike see 4 6 2 1 From the WAVEFORM SETUP display press 2 to enter COPY WAVEFORM COPY WAVEFORM RANGE AMPLITUDE SCALE FACTOR 100 0 100 SOURCE WAVEFORM 1 1 22 DESTINATION WAVEFORM 2 2 22 Press 90 ENTER 1 ENTER ...

Страница 76: ...etained from the previous edit To create a waveform by Harmonic Synthesis a Specify the Waveform number that will hold the newly created waveform b After entering the Waveform number ZEROS will be displayed Press 0 to zero out any values presently in that waveform or press enter to continue editing the existing values c Press ENTER to move the cursor to each Magnitude and Phase Angle position Type...

Страница 77: ...inished waveform values Where n harmonic number αn harmonic amplitude of fundamental δ harmonic phase angle For example the above formula may use values from the following tables WAVEFORM 1 SINE WAVE n αn δ 1 100 0 THD 0 WAVEFORM 13 IEC 77A CLASS 1 n αn δ 1 100 0 3 8 0 5 9 0 7 5 0 11 2 0 13 2 0 THD 12 6 WAVEFORM 14 IEC 77A CLASS 2 n αn δ 1 100 0 3 6 0 5 8 0 7 7 0 11 7 0 13 6 0 THD 14 4 ...

Страница 78: ...ble or disable Continuous Self Calibration CSC set the Programmable Output Impedance Option set transition time and voltage and frequency limits From any METER display V I AMPS or POWER press the fn key to enter SETUP MODE From the SETUP display press 3 to enter GENERAL SETUP 1 From the GENERAL SETUP 1 display press 1 to enter UPC SETUP UPC SETUP SENSE INT CSC OFF PROG Zo Hit EDIT TRANSITION TIME ...

Страница 79: ...MINimum and MAXimum allowable voltage range This is useful for protecting delicate loads The voltage range is 0 150 Vac when the output is Direct Coupled and 0 150 x XFMR Ratio when XFMR Coupled 4 6 3 1 1 PROGRAMMABLE OUTPUT IMPEDANCE SETUP MENUS OPTION The Programmable Output Impedance Prog Zo option is used to compensate for dynamic regulation losses such as line resistance or output transformer...

Страница 80: ...ENU Press EDIT again while the PROG Zo menu is displayed PRESS ENTER TO LOAD PROG Zo CALIBRATION VALUES PRESS 0 TO RESET CALIBRATION VALUES TO FACTORY DEFAULTS Press ENTER to access the Prog Zo Calibration screens to enter special calibration values for the Prog Zo function Ø Z direct XFMR ratio Z xfmr 1 0 006 1 50 0 450 2 0 032 2 00 1 400 3 0 016 2 50 2 970 NOTE Each power source is pre calibrate...

Страница 81: ...sate for additional wiring fixtures magnetics etc follow the calibration procedure include the external devices in the measurements Calibration values for Direct coupled operation may be established via the following procedure 1 Turn CSC OFF Disable PROG Zo Execute a program in Direct coupled mode A Establish the difference in output voltage between no load and full load voltage B Divide the Volta...

Страница 82: ...rsion RS 232 SERIAL or GPIB interface status and other system settings It also allows the user to set the GPIB device address See section 10 if the RS 232 SERIAL REMOTE INTERFACE is installed The UPC SETUP menu is accessed from the General Setup menu fn 3 1 From any METER display V I AMPS or POWER press the fn key to enter SETUP MODE From the SETUP display press 3 to enter GENERAL SETUP From the G...

Страница 83: ...r the UPC The factory default address is 1 IFC Interface Clear This is displayed only if an IEEE 488 Interface Clear message is received while this status display is shown This display latches the IFC message Press CLEAR to clear this display and the IFC field It is used for troubleshooting the GPIB interface LAST DATA BYTE Same as LAST DATA BYTE above TRANSFORMER RATIO Output Transformer Ratio To...

Страница 84: ...ggles the Connector CMD signal state 4 6 3 5 RANGE CONTROL Some power source models support Range Control to achieve maximum efficiency by matching the internal power supply to the output voltage requirement The UPC allows selection of Range Control parameters even when it is not supported by the attached power source In this case the following screens have no effect The RANGE CONTROL SETUP menu i...

Страница 85: ...ave the parameter entries 4 6 3 6 SLEW RATE SETUP Selecting SLEW RATE SETUP from the General Setup menu fn 3 6 allows the slewing functions to transition at a predetermined rate From any METER display V I AMPS or POWER press the fn key to enter SETUP MODE From the SETUP display press 3 to enter GENERAL SETUP From the GENERAL SETUP 1 display press 6 to enter SLEW RATE SETUP SLEW RATE SETUP VOLTS SE...

Страница 86: ...lecting TRANSIENT WFs from the General Setup 2 menu fn 3 7 2 allows you to specify the voltage calculation method used during transients From any METER display V I AMPS or POWER press the fn key to enter SETUP MODE From the SETUP display press 3 to enter GENERAL SETUP From the GENERAL SETUP 1 display press 7 to enter More Options From the GENERAL SETUP 2 display press 2 to enter TRANSIENT WFs TRAN...

Страница 87: ...e using the 90 waveform and the transient will then be executed using that gain thereby maintaining sine wave continuity 4 6 3 9 INITIAL VOLTAGE Selecting INITIAL VOLTAGE from the General Setup 2 menu fn 3 7 3 allows you to specify the initial power up output voltage amplitude From any METER display V I AMPS or POWER press the fn key to enter SETUP MODE From the SETUP display press 3 to enter GENE...

Страница 88: ... 2 display press 4 to enter KEYBOARD LOCK KEYBOARD LOCK SETUP LOCK OFF Press Key to Toggle Selection Press ENTER or EXECUTE to Exit LOCK OFF or ON If OFF is chosen the keyboard is always enabled If ON is chosen the keyboard is locked and disabled after pressing the DISPLAY key Key presses are ignored when the keyboard is locked The only exceptions are the CLEAR key and OUTPUT ENABLE key To enable ...

Страница 89: ...in REMOTE CONTROL REMOTE CONTROL can only be initiated and maintained while the UPC is displaying a Metering display or while in the UPC STATUS display but not while editing any screen data All front panel programming and signal controls are disabled while REMOTE CONTROL is active but metering information is still accessible for viewing at the front panel display Status and metered data queries do...

Страница 90: ...488 2 commands do not have query counterparts unless explicitly shown with a question mark appended 8 IEEE 488 2 commands start with an asterisk and are not case sensitive 9 All required Functional Elements for devices are implemented Refer to IEEE 488 2 section 4 4 1 for more information 10 Refer to the ANSI IEEE 488 1 1987 and ANSI IEEE 488 2 1987 standards for more information These standards a...

Страница 91: ...ndicate a variable which is not known until actual time of use e g AMPS meter range might actually be 50 Units such as AAC Hz or shown after the angle bracketed value are not to be included inside the value but are shown as a reference to the units The angle brackets are not part of the value 18 The UPC data input buffer is 8k bytes as is its data output buffer No program message may exceed this l...

Страница 92: ... a single Command Query returns steady state values of selected program and segment values of most recently selected segment LAST is returned with segment data if the segment is the last segment in the program STEADY STATE OUTPUT PARAMETERS FORM n COUPLing s XFMRRATIO n nn FREQuency n VOLTage n see Convention 11 VOLTage1 n VOLTage2 n VOLTage3 n CURRent LIMit n PHASe2 n PHASe3 n WAVEFORM n see Conv...

Страница 93: ...ΦB of selected program n 0 to 150 or 150 x XFMRRATIO Volts VOLTage3 n sets Output VOLTAGE ΦC of selected program n 0 to 150 or 150 x XFMRRATIO Volts CURRent LIMit n sets Output Current Limit of selected program n 0 to AMPS meter range Amps PHASe2 n sets Output Φ angle B of selected program n 0 to 359 degrees PHASe3 n sets Output Φ angle C of selected program n 0 to 359 degrees WAVEFORM n sets Outp...

Страница 94: ...f selected segment n 0 to 150 or 150 x XFMRRATIO Volts VSEG3 n sets objective voltage ΦC of selected segment n 0 to 150 or 150 x XFMRRATIO Volts WFSEG n sets Waveform ΦA ΦB ΦC of selected segment n 1 to 22 WFSEG1 n sets Waveform ΦA of selected segment n 1 to 22 WFSEG2 n sets Waveform ΦB of selected segment n 1 to 22 WFSEG3 n sets Waveform ΦC of selected segment n 1 to 22 TSEG n sets execution time...

Страница 95: ...lected program is specified by previous PROGram NAME nn command Query returns the number of the currently executing program If no program is executing query returns 1 PROGram EXECute TRANS Command No query executes pre processed Transient portion of selected Program Pre processing is performed by executing a Program Transient terminates upon receipt of any data byte DAB from the IEEE 488 Bus Devic...

Страница 96: ...d frequency execution t 0 to 300 seconds in increments as small as 0002 Sec SOURce FREQuency SPAN n sets Output Frequency Span n 150 300 600 Hz After sending this command an 8 second delay is required before sending any additional command or query Allows UPC to restart This setting changes the resolution of the output signal metering and Harmonic Analysis option See 2 1 1 and 4 3 1 1 SOURce FREQue...

Страница 97: ...uery returns the maximum allowable impedance SOURce IMPEDance CAL z1 z2 z3 x1 z4 x2 z5 x3 z6 Calibrates the optional Programmable Output Impedance function with values for Description x values z values Direct Coupled 1Φ z1 Ω Direct Coupled 2Φ z2 Ω Direct Coupled 3Φ z3 Ω XFMR Coupled Ratio X x1 1 z4 Ω XFMR Coupled Ratio Y x2 1 z5 Ω XFMR Coupled Ratio Z x3 1 z6 Ω x values are transformer ratios Rela...

Страница 98: ...ENABLE value NOTE Setting the OUTPUT POWER ON AUTO OFF switch front panel of the power source to OFF overrides the OUTPUT ENABLE command 5 4 3 WAVEFORM CONTROL PROGRAM NAME WFnn selects waveform nn for loading or data query nn 1 22 for data query or 2 22 for data defining loading PROGram SELected DEFine data loads selected waveform 2 22 with data from the IEEE 488 Bus The number of data elements m...

Страница 99: ...e CURRent RANGe Query AMPS meter range Returns 0 to AMPS meter range RMS Amps 5 5 2 METERED DATA QUERIES Measurement occurs once per MEASure command AC measurements are assumed The SCPI AC keyword following MEASure is optional and is not shown here The is optional MEASure implies a query Values following a command are ignored Multiple keyword queries may be performed to obtain values of simultaneo...

Страница 100: ...k MEASure CURRent PEAK2 Query metered peak current ΦB Returns 0 to current meter range AAC Peak MEASure CURRent PEAK3 Query metered peak current ΦC Returns 0 to current meter range AAC Peak MEASure CURRent CREST1 Query metered current Crest Factor ΦA Returns 0 to 1000 MEASure CURRent CREST2 Query metered current Crest Factor ΦB Returns 0 to 1000 MEASure CURRent CREST3 Query metered current Crest F...

Страница 101: ...e The 2 nd element is the 2 nd harmonic etc The accuracy of harmonics may be limited by the FREQUENCY SPAN setting See para 4 3 1 1 and 5 4 1 MAG returns each magnitude as a percent of the fundamental ABS returns absolute magnitude MEASure SPECTrum PHASe option Harmonic Analysis and Synthesis Query phase angles in degrees for the most recent harmonics data Returns a data set of 51 NR2 type numbers...

Страница 102: ...TATUS BYTE REGISTER STB STATUS conditions reported by the STATUS BYTE may be queried via the IEEE 488 Bus Serial Poll function or read directly using STB The SRQ function will be invoked to signal the Bus controller that service is requested when an unmasked STATUS BYTE bit goes true Note that no SRQ is generated while in LOCAL CONTROL CLS clears the ESR and the STB Refer to fig 5 1 The IEEE 488 2...

Страница 103: ...2 SRE 1 0 SQS 3 MAV EEQ 2 1 0 FIGURE 5 1 STATUS BYTE MODEL SERVICE REQUEST GENERATION L O G I C A L O R QUEUE NOT EMPTY OUTPUT QUEUE READ BY ADDRESSIN G UPC AS A TALKER RESERVED SHUTDOWN READ BY SERIAL POLL STATUS BYTE REGISTER READ BY STB SERVICE REQUEST ENABLE REGISTER ...

Страница 104: ...ommand with data received 3 DDE DEVICE DEPENDANT ERROR indicates UPC not properly configured 2 QYE QUERY ERROR indicates cannot respond with data 1 RQC REQUEST CONTROL not used 0 OPC OPERATION COMPLETE indicates previous operation complete Setting an EVENT STATUS ENABLE ESE bit true unmasks the EVENT bit in the ESR Also see SYSTem ERRor query for corresponding information 3 DDE 3 DDE PON 7 URQ 6 E...

Страница 105: ...PC Operation complete query 5 5 3 2 SCPI STATUS REPORTING The following lists the SCPI Commands for Status Reporting from the UPC Refer to the SCPI 1992 standard for more information Query commands are explicitly shown in this section for clarity Refer to figure 5 3 See section 5 2 Conventions regarding SCPI SYSTem ERRor Query system error Returns one of the following types of messages with detail...

Страница 106: ...own for reference and may be used for future product enhancements The PROGram running bit 14 in the STATus OPERation registers indicates a stored program PROGRAM 1 99 is running STATus OPERation CONDition present condition query STATus OPERation ENABle enables events to be reported in the SOS bit in the STB STATus OPERation ENABle STAT OPER ENABLE register query STATus OPERation EVENt latched cond...

Страница 107: ...Ting RANGing SWEeping MEASuring waiting for TRIGger summary waiting for ARM summary CORRection not assigned not assigned not assigned not assigned not assigned INSTrument Summary PROGram running NOT USED ERROR EVENT QUEUE Queue Not Empty To EEQ bit of STATUS BYTE bit 2 To SQS bit of STATUS BYTE bit 3 Logical OR Logical OR To SOS bit of STATUS BYTE bit 7 SYSTem ERRor Æ FED INTO OUTPUT QUEUE QUEStio...

Страница 108: ... at the EXTernal Sense point at the load The third set of 3 values are Currents measured to the load NOTE If FORM 1 is currently selected meter_Ia is the Phase 1 current Loading a value of 0 will cause that metering parameter to be uncalibrated although it will still be functional See Externally Referenced CALIBRATION para 8 3 for more details CALibrate KFACTORS k_int_Va k_int_Vb k_int_Vc k_ext_Va...

Страница 109: ...ss 0 30 SR1 Service request Serial Poll functions SPE Serial Poll Enable SPD Serial Poll Disable RL1 Local Remote functions GTL Go To Local LLO Local Lockout DC1 Device clear functions DCL causes a hardware RESET of the UPC SDC Same as DCL but device must be addressed DT1 Device Trigger function GET Group Execute Trigger message executes Transient Events if any of currently executed program PP0 No...

Страница 110: ... 120º PHASE ANGLE C 240º PROG Zo OFF RANGE CONTROL AUTO SENSE INTERNAL TRANSITION TIME 0 WAVEFORM ΦA 1 WAVEFORM ΦB 1 WAVEFORM ΦC 1 NOTE Stored programs are not erased FREQUENCY SPAN is not changed TST Query Self test Test validity of non volatile RAM Returns 0 if no error WAI Command Wait to continue Only useful following the PROG EXEC TRANS or TRG commands All other commands are executed sequenti...

Страница 111: ... have been omitted throughout this section for clarity The command strings may contain spaces NOTE Un address means to send the UNTALK and UNLISTEN messages This is only applicable for the GPIB NOT the RS 232 option With many programming languages that support GPIB communications listener and talker addressing and un addressing is handled automatically and is transparent to the user Check your pro...

Страница 112: ...his is one continuous string of commands and parameters NOTE Only commas may separate the values NO Carriage Returns or Line Feeds may separate the values as transmitted PROGram DEFine FORM 3 COUPLing DIRECT XFMRRATIO 1 0 FREQuency 60 VOLTage1 115 VOLTage2 115 VOLTage3 115 CURRent LIMit 10 PHASe2 120 PHASe3 240 WAVEFORM1 1 WAVEFORM2 1 WAVEFORM3 1 EVENTS 0 OPTIONAL TRANSIENT PARAMETERS SEGment 1 FS...

Страница 113: ...ing NOTE Only commas separate the values NO Carriage Returns or Line Feeds separate the values as received STEADY STATE OUTPUT PARAMETERS returned FORM 3 COUPLing DIRECT XFMRRATIO 1 0 FREQuency 60 VOLTage1 115 VOLTage2 115 VOLTage3 115 CURRent LIMit 10 PHASe2 120 PHASe3 240 WAVEFORM1 1 WAVEFORM2 1 WAVEFORM3 1 EVENTS 0 NOTE 1 To select a transient segment for query send PROGram DEFine SEG n eos whe...

Страница 114: ...ess UPC 5 7 5 EXAMPLE OF DIRECTLY CHANGING THE OUTPUT PARAMETERS Change Frequency and Volts for all phases then ENABLEs the OUTPUT Step A Address the UPC as a listener FREQuency 50 eos Step B Change Frequency to 50 Hz VOLTage 117 eos Step C Change Volts to 117 VAC RMS for all phases OUTPut ON eos Step D ENABLES the OUTPUT The OUTPUT POWER switch must be in the ON AUTO position to allow power to be...

Страница 115: ...oad Current A B C for AC RMS query by sending the following command MEAS VOLT1 VOLT2 VOLT3 CURR1 CURR2 CURR3 eos NOTE eos is a LINE FEED 0Ahex 10dec All parameters will be measured simultaneously upon receipt of the MEAS command This may take several hundred milliseconds depending upon Frequency and other factors The values are not stored in the UPC and another MEAS command will re measure the val...

Страница 116: ...ers will be measured simultaneously upon receipt of the FETCH query This may take several hundred milliseconds depending upon Frequency and other factors The values are not stored in the UPC and another FETCH command will re measure the values Step C Address the UPC as a talker The UPC returns a string representing the last metered waveform data Each waveform consists of a string of NR2 type numbe...

Страница 117: ...6 MAINTENANCE 105 SECTION 6 MAINTENANCE 6 MAINTENANCE No maintenance is required for the UPC controller See the AMX ASX G or MS series power source Operator s Manual for proper maintenance of the power systems ...

Страница 118: ...viceable components in the UPC assembly Pacific Power Source maintains a staff of highly trained technicians which are able to assist with diagnosing abnormal operation of the UPC If questions arise please call the factory at 1 800 854 2433 8am to 5pm PST California U S A ...

Страница 119: ... UPC installed in a Power Source 1 Digital Voltmeter 4 Digit True RMS responding 1200 Hz bandwidth min 2 Frequency counter 5 digit counter min 3 Oscilloscope Optional 4 High current load capable of 60 Peak rated output current of power source 5 Ammeter probe Shunt type preferred or ammeter capable of reading RMS amps 8 2 EXTERNALLY REFERENCED CALIBRATION The UPC is designed to be easily calibrated...

Страница 120: ...s performed with output settings of 60 Hz and 120 volts Because of the precision and stability of the system the calibration factors are the same for all other values of volts and frequency For convenience or if precision at a particular setting is needed the system may be calibrated at any frequency voltage and current desired Calibration of current metering is based on the Load Current set by th...

Страница 121: ...Operate the power source in FORM 2 to calibrate Ia and Ib single split phase UPC 3 Operate the power source in FORM 1 to calibrate I1 single phase b Operate the power source in FORM 3 to calibrate Ia Ib and Ic three phase Only the phases existent need to have values entered If a phase parameter is not used or is not available as in the case of a 1 or 2 phase power source the phase C parameters sho...

Страница 122: ... C 1 0000 Kin are the kFactors for internal voltage sensing of phase A B and C Kex are the kFactors for external voltage sensing of phase A B and C Ki are the kFactors for current sensing of phase A B and C Ko are the oscillator gain kFactors To manually calculate and enter a particular kFactor 1 observe the UPC meter display value 2 use the following equation to calculate the new kFactor test equ...

Страница 123: ...his function To prevent the UPC from executing program parameters upon power up hold the fn key down while applying power with the INPUT POWER switch You may then press fn again to enter the SETUP mode If after Reset the unit functions properly but the problem recurs after being powered down the battery probably needs to be replaced PROBLEM LCD Display not readable PROBABLE CAUSE Battery backed RA...

Страница 124: ...ing to XFMR coupled with a higher voltage range VR or change the selected waveform either by editing the Waveform or selecting a Waveform with a greater RMS content See section 4 6 2 1 to edit a Waveform For this problem with transient segments you may have to reduce the voltage in the segment prior to the one indicated as having the error as well as the one indicated as having the error PROBLEM K...

Страница 125: ...vice address within the UPC You may also use the UPC STATUS display to verify receipt of an INTERFACE CLEAR IFC by the UPC from a GPIB controller Refer to section 4 6 3 3 UPC STATUS display for usage of the IFC field The LAST DATA BYTE field indicates the data byte received by the UPC from the GPIB when the UPC was addressed as a listener Normally if a properly terminated command string was receiv...

Страница 126: ... that of host computer See section 10 3 10 4 PROBLEM UPC displays TRANSITION IN PROGRESS for an extended length of time upon power up PROBABLE CAUSES A long Transition time was programmed into the UPC The UPC may execute the previously executed Program parameters or MANUAL MODE parameters upon power up depending on the INITIAL VOLTAGE setting SUGGESTED CURE If it is desired to terminate the Transi...

Страница 127: ...SPECIFICATIONS The RS 232 Remote Interface of the UPC is compatible with the ANSI IEEE 488 2 SCPI and RS 232C standards It loosely adheres to the RS 232C standard as some interfacing requirements of that standard are not necessary This Remote Interface of the UPC has the following communication characteristics 1 Selectable BAUD RATES of 38400 BAUD 19200 BAUD default 9600 BAUD 4800 BAUD 2400 BAUD 1...

Страница 128: ...tilizing the same commands available for the IEEE 488 interface see Section 5 except as noted in the following paragraphs NOTE Normally the UPC is in the LISTENER mode When the UPC is Queried for information the UPC automatically enters the Talker mode until the response data is sent or another command is sent from the Host 10 4 1 COMMUNICATION MONITORING AID The UPC STATUS Display fn 3 3 displays...

Страница 129: ... IEEE 488 2 Common Commands and fall into the category of DEVICE CONTROL COMMANDS see section 5 6 2 of the UPC Manual DCL DEVICE CLEAR Causes a Hardware RESET of the UPC LLO LOCAL LOCKOUT Puts the UPC into REMOTE with LOCAL LOCKOUT state GTL GOTO LOCAL Restores LOCAL mode 10 5 PHYSICAL CONNECTIONS Connection to the UPC RS 232 interface is made via a DB 25 connector on the rear panel of the UPC SCU...

Страница 130: ... 1 stop 1 start bit using a terminal emulation program Ensure the UPC is configured the same see paragraph 10 3 of this manual for setup Leave the EOS set to CR LF 3 Enter the UPC STATUS display of the UPC fn 3 3 do NOT press EDIT this time See paragraph 10 4 1 for info on the COMMUNICATION MONITORING AID 4 Send Executable commands from the PC such as SYST BEEP VOLTS 100 FREQ 50 and verify that th...

Страница 131: ...2 44 80 81 86 98 112 cpu 10 14 59 111 Crest Factor 12 35 88 CSC 4 8 9 66 69 86 98 107 current 6 12 14 19 25 35 36 67 69 71 74 87 89 96 108 110 current limit 9 45 80 81 84 98 damage 1 3 23 68 data 20 26 36 70 71 77 79 83 86 89 92 96 104 113 118 data buffer 79 97 DDE 92 delete 58 83 diagnostic 72 111 114 digital outputs 15 17 display 4 33 111 112 key 35 37 76 driver 77 99 edit 34 44 48 60 62 EEQ 90 ...

Страница 132: ...ee Form phase angle 1 14 45 60 64 65 89 98 PON 92 power 13 14 29 32 35 68 92 Program 3 28 29 34 38 40 44 48 57 59 63 79 80 83 86 94 98 102 111 Prog Zo output impedance 6 66 69 85 query 78 90 92 94 96 98 116 queue 90 93 QYE 92 Remote 20 33 112 Interface 12 15 70 77 97 98 115 117 118 Sense 66 REN 20 77 99 112 REQUEST 20 90 92 93 97 116 RESET 10 59 83 97 98 111 117 Impedance 85 Resolution Control 7 9...

Страница 133: ...time base 50 53 56 waveform calc WFs 74 75 85 trigger 97 98 TST 98 URQ 92 virtual instrument 77 Voltage 2 4 8 9 13 17 30 38 44 45 60 78 80 81 83 86 112 calibration 96 107 110 initial 75 84 98 114 input 23 limits 67 84 meter 12 35 36 87 89 transient 48 49 74 75 82 VOLTage 79 81 83 84 86 87 VSEG 80 82 warranty inside title page waveform 3 4 7 10 14 17 45 59 70 78 80 81 83 84 86 89 98 104 analysis 13...

Страница 134: ...NOTES 122 NOTES ...

Страница 135: ...MODIFCATIONS 123 MODIFICATIONS MODIFICATIONS This section is reserved for any modifications that may be made ...

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