Pacific UPC-12 Operation Manual Download

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SECTION 8

CALIBRATION

109

R70

J2A METERING

J2A

J3A

R24

R64

J5A

R70

J3A

J5A

J5 AUX I/O

J3A

J4A

J4 IEEE-488

FIGURE 8.2

GAIN CONTROL LOCATIONS

METER GAIN

CURRENT LIMIT ADJUST

C OSC.

GAIN

B OSC.

GAIN

A OSC.

GAIN

METERING

CABLE

AUXILLARY

I/O

CABLE

IEEE-488

(GPIB)

CABLE

Summary of Contents for UPC-12

Page 1: ...UPC 32 UPC 12 PROGRAMMABLE CONTROLLERS FIRMWARE V2 53 AND LATER OPERATION MANUAL PACIFIC POWER SOURCE δ ...

Page 2: ......

Page 3: ...MODEL 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 THIRD EDITION COPYRIGHT C PPSI MARCH 2004 ...

Page 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 ...

Page 5: ...CIFICATIONS 10 2 1 5 OUTPUT POWER FORM CONTROL SPECIFICATIONS 12 2 1 6 PHASE ANGLE CONTROL SPECIFICATIONS 12 2 1 7 WAVEFORM SYNTHESIS SPECIFICATIONS 12 2 2 METERING SPECIFICATIONS 13 2 2 1 VOLTMETER SPECIFICATIONS 13 2 2 2 AMMETER SPECIFICATIONS 13 2 2 3 kVA METER SPECIFICATIONS 13 2 2 4 KILOWATT METER SPECIFICATIONS 14 2 2 5 POWER FACTOR METER SPECIFICATIONS 14 2 2 6 FREQUENCY DISPLAY SPECIFICATI...

Page 6: ...NNECT INPUT SERVICE 28 4 FRONT PANEL OPERATION 30 4 1 GUIDE TO QUICK OPERATION 30 4 1 1 QUICK OVERVIEW 30 4 1 2 QUICKLY PUTTING THE UNIT TO USE 33 4 2 FRONT PANEL CONTROLS AND INDICATORS 35 4 2 1 POWER SOURCE FRONT PANEL 35 4 2 2 UPC FRONT PANEL 36 4 3 MANUAL MODE 38 4 3 1 METERING DISPLAYS 38 4 3 2 VOLTAGE ENTRY 41 4 3 3 FREQUENCY CONTROL 41 4 4 PROGRAM OPERATE MODE 41 4 4 1 PROGRAM EXECUTION 42 ...

Page 7: ...ES 87 5 5 2 METERED DATA QUERIES 87 5 5 3 EVENT and STATUS REPORTING 90 5 6 DEVICE CONTROL 96 5 6 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 EXAMP...

Page 8: ...ALIBRATION 110 8 3 EXTERNALLY REFERENCED CALIBRATION 111 8 3 1 K FACTORS DISPLAY 114 9 USER DIAGNOSTICS 115 10 RS 232 SERIAL REMOTE INTERFACE OPTION 119 10 1 GENERAL 119 10 2 SERIAL PORT SPECIFICATIONS 119 10 3 INSTALLATION 120 10 4 SETUP 120 10 5 OPERATION 120 10 5 1 COMMUNICATION MONITORING AID 121 10 5 2 FUNCTIONAL EXCEPTIONS 121 10 5 3 FUNCTIONAL ADDITIONS 121 10 6 PHYSICAL CONNECTIONS 122 10 ...

Page 9: ...GURE 3 4 1 TRANSFORMER AND AMPS TO VOLTS RATIO DIP SWITCH 27 FIGURE 3 4 4 UPC INTERFACE DIP SWITCH 27 FIGURE 3 5 INSTALLATION 29 FIGURE 4 1 POWER SOURCE FRONT PANEL 35 FIGURE 4 5 2 1 MIL STD 704D UNDERVOLTAGE TRANSIENT 57 FIGURE 4 5 2 2 SPIKE TRANSIENT 60 FIGURE 4 6 2 1 EDITED WAVEFORM 66 FIGURE 5 1 STATUS BYTE MODEL 91 FIGURE 5 2 STANDARD EVENT REGISTER MODEL 92 FIGURE 5 3 SCPI STATUS REGISTERS M...

Page 10: ...MONIC SPECTRUM 4 3 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 RS 232 SERIAL INTERFACE 10 4 SET DISPLAY B...

Page 11: ... 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 SELF C...

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

Page 13: ...es immediately following the Table of Contents as it may be helpful 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 Series of equipment controls the AMX ASX MS and G Series o...

Page 14: ... 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 BREAKERS 4 SERVICE OTHER THA...

Page 15: ...tile one two or three phase signal generator It is designed to be installed into Pacific Power Source s AMX 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 R...

Page 16: ...output voltage 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 loss...

Page 17: ...SECTION 1 GENERAL 5 PACIFIC Figure 1 3a SCU UPC 32 Figure 1 3b UPC 32 Figure 1 3c UPC 12 ...

Page 18: ...nal generator designed to plug in to any PACIFIC AMX ASX Series chassis which is 1Φ 2Φ 3Φ capable The UPC 12 is identical in characteristics to the UPC 32 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 1 3 3 SCU DESCRIPTION The System Control Unit is a 19 inch wide 5 25 inch high 7 inch deep rack mounted box w...

Page 19: ...nging these ranges as the UPC auto ranges based on the selected frequency RANGE RESOLUTION 20 00 99 99 Hz 0 01 Hz 100 0 999 9 Hz 0 1 Hz 1000 5000 Hz 1 0 Hz 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 MANUAL MODE...

Page 20: ...ult value may be overridden by entering a new 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 amb...

Page 21: ...ries anywhere from 1 ms to 1 second 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 The CSC circuit does NOT function during t...

Page 22: ...stored program and specifying the waveform number for each phase within that program If the ERASE ALL RAM AND RESET CPU function is selected waveforms 17 32 are subsequently copied as defaults to waveforms 1 16 respectively as shown in the following table EDITABLE WAVEFORM EPROM WAVEFORM DESCRIPTION 1 17 SINE WAVE 2 18 TRIANGLE 12 7 THD 3 19 SQUARE 38 6 THD 4 20 PULSE 30º WIDTH 153 Avg THD 5 21 FL...

Page 23: ...ber αn harmonic amplitude of fundamental δ harmonic phase angle As an 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 ...

Page 24: ... angle displacement of the UPC 32 oscillator output may be independently programmed for ΦB and ΦC The ΦA output is always defined as the 0º reference The phase relationship between the three output vectors can be controlled from 0º to 359º in 1º increments Range 0 359 º Resolution 1º Accuracy 0 5º 2 1 7 WAVEFORM SYNTHESIS SPECIFICATIONS Option Harmonic Analysis and Synthesis HARMONIC RANGE 2 throu...

Page 25: ...isplayed 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 XX XX 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 50 500 Hz 0 25 of reading 0 1 F S 25ºC Accuracy 20 5000 Hz 0 5 F S 2...

Page 26: ...ed on the selected frequency Range 20 00 5000 Hz 10 00 to 99 99 Hz 0 01 Hz 100 0 to 999 9 Hz 0 1 Hz Resolution 1000 to 5000 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 voltage or curren...

Page 27: ... 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 at one location t...

Page 28: ... power source EXT SENSE CMD External metering command XFMR CPLD CMD Transformer coupled output command OUTPUT ON CMD Close output relay command 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 to the CONNECTOR CMD connection SHUTDO...

Page 29: ... 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 ...

Page 30: ...d 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 150 x XFMRratio x 1 414 The maximum voltage is limited by the output voltage range of the power source NOTE Attempting to drive the OUTPUT VOLTAGE beyond the voltage range of the power source will resu...

Page 31: ...TRANSIENT PEDESTAL 3 LV COMMON 16 DRM 4 LV COMMON 17 SYNC OUT 5 F1 18 F2 6 F3 19 F4 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 ...

Page 32: ...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 NO CONNECTION 9 LV COMMON 22 NO CONNECTION 10 LV COMMON 23 NO CONNECTION 11 LV COMMON 24 15 V 12 LV COMMON 25 15 V 13 Figure 2 3 8 J2 METERING INPUTS ...

Page 33: ...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...

Page 34: ...return the product to the factory should a controller or power source upgrade be desired however the following information is provided for reference Refer to the power source manual for installation into a Pacific Power Source Inc power source system Should a question arise call Pacific Power Source toll free at 1 800 854 2433 Installation of an UPC into a SCU consists of the following steps STEP ...

Page 35: ... J5 from the rear panel of the SCU Reattach mounting hardware to J5 Remove J6A of the SCU from P6A of the UPC INTERFACE 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 CONFI...

Page 36: ... SWITCH on the UPC METERING PCB See figure 3 4 1 The Dip switches S2 8 and S1 1 thru S1 8 are binary weighted RATIO DIP SWITCH SETTING S1 8 S1 7 S1 6 S1 5 S1 4 S1 3 S1 2 S1 1 S2 8 WEIGHTING VALUE 2 56 1 28 64 32 16 08 04 02 01 NO XFMR OFF OFF OFF OFF OFF OFF OFF OFF OFF 0 50 OFF OFF OFF ON ON OFF OFF ON OFF 1 00 OFF OFF ON ON OFF OFF ON OFF OFF 1 50 OFF ON OFF OFF ON OFF ON ON OFF 2 00 OFF ON ON O...

Page 37: ...Power Source model The ratio is set by the AMPS TO VOLTS RATIO SWITCH on the UPC METERING PCB figure 3 4 1 The 4 LSB s of the Dip switch are binary weighted See section 3 4 4 for information on configuration switch S2 7 Shown below are sample settings Note that not all allowable values are shown DIP SWITCH SETTING S2 6 S2 5 S2 4 S2 3 S2 2 S2 1 WEIGHT X100 X10 8 4 2 1 RATIO NA DO NOT USE OFF OFF OF...

Page 38: ...1 on the UPC INTERFACE PCB figure 3 4 4 and SWITCH S2 on the UPC METERING PCB figure 3 4 1 DIP SWITCH CONFIGURATION SETTINGS PCB FIGURE Switch Position Description INTERFACE 3 4 4 S1 1 ON Current transformer on primary side of XFMR S1 1 OFF Current transformer on secondary side of XFMR INTERFACE 3 4 4 S1 2 ON 1 PA installed S1 2 OFF See METERING PCB SW2 7 below INTERFACE 3 4 4 S1 5 ON RS 232 INTER...

Page 39: ...R60 R19 U4 R15 R16 R10 R11 R9 R12 C32 U5 C5 R22 R21 R23 R24 C38 R20 C31 C37 C34 R13 R14 C4 C35 C33 C36 R17 R18 R31 R32 R26 R28 R27 R25 C39 C40 C7 R29 R30 C41 C42 C6 FIGURE 3 4 1 UPC METERING DIP SWITCHES TRANSFORMER RATIO AND AMPS TO VOLTS RATIO SWITCH LOCATION C10 C13 C16 U13 U16 R14 U10 P7 C24 C5 U5 U24 P1 P4A SN NO IWA NO ASSY NO U12 C12 C25 U11 P8 S1 5 6 7 8 3 2 1 4 C23 U23 C11 U4 C4 METER ØB ...

Page 40: ...wing installation issue if the UPC is packaged with a power source Connect J2A of the UPC to P2A of the SCU Connect J3A of the UPC to P3A the LED PCB Connect J3B of the SCU to P3B of the LED PCB Attach J4 from the UPC to the rear panel of the SCU Attach J5 from the UPC to the rear panel of the SCU Connect J6A of the SCU to P6A of the UPC INTERFACE PCB Place the top cover on top and install six scr...

Page 41: ...LATION 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 METERING CPU DRM OSC A OSC B OSC C INTER FACE ...

Page 42: ...n in depth The UPC is operable either from its front panel keyboard LOCAL CONTROL operation or by its Data Bus REMOTE CONTROL operation IEEE 488 GPIB or RS 232 serial 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 REM...

Page 43: ...an 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 one in which the operator can 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 ...

Page 44: ...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 toggle CSC on or off ...

Page 45: ...r 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 the voltage selected 5 TO CHANGE FREQUENCY Light the F LED by pressing the F key Now pe...

Page 46: ...SECTION 4 OPERATION 34 PA CIFIC FIGURE 4 1 POWER SOURCE FRONT PANEL ...

Page 47: ...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...

Page 48: ...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 ...

Page 49: ...ut 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 When in LIQUID CRYSTAL DISPLAY SETUP display adjusts view a...

Page 50: ...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 ...

Page 51: ...h 5th 6 th CONTENT 1 0 0 0 0 ΦANGLE 0º 0º 0º 0º 0º 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 percentage of the amplitude of the fundamental ΦANGLE is displaye...

Page 52: ... 32 4 sec 32 16 16 2 sec 16 8 8 1 sec Press ENTER after typing this number to store the value Press ENTER again to process new data The default is 128 That allows a full display of 51 harmonics with minimum processing time Values of 256 or 512 will increase accuracy of the displayed harmonics at a cost of processing time Lower values 64 32 16 calculate faster but have decreased resolution The LCD ...

Page 53: ...0 4 3 3 FREQUENCY CONTROL To achieve MANUAL MODE and change frequency from any meter display light the F LED by pressing that key Pressing an ARROW key 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 last entered frequency For example to change to 60 50 Hz light the F LED...

Page 54: ... 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 i...

Page 55: ... 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 overvoltage transient Program 101 is a MIL STD 704D undervoltage t...

Page 56: ...ed for the transient voltage excursion to occur on all phases simultaneously MIL STD 704D allows for the transient to occur on a single phase or on any combination of phases To exclude a phase from the transient excursion simply change the appropriate Va Vb or Vc field in Segment 1 and 2 to remain the same as the steady state voltage UNDER VOLTAGE TRANSIENT Program 101 The power source will produc...

Page 57: ...red for a voltage range of at least 115Vrms to perform this test INITIAL CONDITIONS fo 407 Hz Va Vb Vc 115 VAC Nominal Steady State 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 Va 115 Vb 115 V...

Page 58: ...ured for a voltage range of at least 115Vrms to perform this test INITIAL CONDITIONS fo 393 Hz Va Vb Vc 115 VAC Nominal Steady State 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 390 Va 115 Vb 115 ...

Page 59: ...3 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 wil...

Page 60: ...the selected waveform 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...

Page 61: ...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...

Page 62: ...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...

Page 63: ...mber 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 Transient sequences can be repeated from single events to endless looping terminated by the operator There is a limit of 1000 transient segment storage in the UPC It is not possible to have 99 Programs with each having a 99 segment transient Transien...

Page 64: ...f the output waveform This is useful for substituting different waveforms on a cycle by cycle basis 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 volts rms in steps of 0 1 volts Transformer coupled output 0 to 375 volts rms in steps of 0 5 volts XFMR Ratio is 2 5 FREQ Any desired output frequency ...

Page 65: ...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 of 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...

Page 66: ...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...

Page 67: ... 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...

Page 68: ... 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 ...

Page 69: ...lect 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 caus...

Page 70: ... 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 ...

Page 71: ...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 ...

Page 72: ... Memory Set Amps to Volts Current Metering Ratio Define Current Transformer Location Set Output Range for power sources that support it Display 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 SETUP PRES...

Page 73: ...is a MIL STD 704D undervoltage 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 PROGRA...

Page 74: ... RAM This is the same as a power own power up 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 a...

Page 75: ...ause 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 WF...

Page 76: ...the starting and ending phase angles EDIT WAVEFORM NUMBER 2 RANGE 2 16 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...

Page 77: ...SECTION 4 OPERATION 65 90 0 100 0 85 95 100 90 FIGURE 4 6 2 1 EDITED WAVEFORM ...

Page 78: ...be copied to and edited Example To put a 10 spike on a sine wave Copy WF 1 to WF 2 at a 90 scale factor allowing 10 more voltage to accommodate the spike Edit WF 2 adding 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 32 DESTINATION WAVEFORM 2 2 16 Press 90 ENTER 1 ENTER 2 to select ampl...

Page 79: ...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 the value fo...

Page 80: ...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 ...

Page 81: ...INimum 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 ...

Page 82: ...ure is listed below Form 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 Form column indicates the Power Form of operation 1 2 or 3 phase Z direct column accepts the Direct coupled impedance of the power source per phase for each Power Form listed on the far left During DIRECT coupled operation the proper Z direct value is used to calibrate the PROG Zo function ...

Page 83: ...ulation prior to entering the Z XFMR value into the UPC A good approximation of transformer impedance can be estimated by measuring the DC resistance of each XFMR secondary tap That value may be entered for Z XFMR as an alternative to using the above procedure for measuring XFMR impedance NOTE XFMR impedances may vary greatly with temperature 4 6 3 2 LIQUID CRYSTAL DISPLAY SETUP LIQUID CRYSTAL DIS...

Page 84: ...OS CR LF To change any of these settings press ENTER to move the cursor to each data field Press EDIT when the cursor is positioned on the value to be changed Type the new value then press ENTER to continue editing or STORE to save and exit GPIB ADDRESS 0 to 30 This is the IEEE 488 device address for the UPC To change the address press EDIT enter a valid number then press ENTER or STORE The factor...

Page 85: ...The factory default Serial port End Of String character s value is CR LF 4 6 3 4 POWER SOURCE STATUS POWER SOURCE STATUS indicates the state of internal control signals between the UPC and the Power Source circuits See para 2 3 4 OUTPUT CONTROL and para 2 3 5 INPUT CONTROL for a description of these signals This display is only used for technical diagnostics From any METER display V I AMPS or POWE...

Page 86: ...ault mode Pressing the key when the cursor is in the MODE field toggles between AUTO and MANUAL MODE When MANUAL MODE is selected an OUTPUT RANGE may be set SELECT OUTPUT RANGE 1 2 3 4 The following ranges are applicable PROGRAMMED OUTPUT AC VOLTS RANGE 110 1 110 120 9 2 121 130 9 3 131 4 NOTE The above Output voltages are for Single phase operation If split 2 phase operation is used the listed Ou...

Page 87: ...s be open at power up unless an Auto Start option has been installed NOTE The default factory setting for INITIAL VOLTAGE is 0 4 6 3 8 KEYBOARD LOCK Selecting KEYBOARD LOCK from the General Setup 2 menu fn 3 7 2 allows you to control the keyboard lock feature 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 al...

Page 88: ...mine that the voltage peaks must be higher than a normal sine wave in order to maintain the specified 120 Vrms If DISABLED the RMS calculation of substituted waveforms does not occur The amplitude of all waveforms used in the transient will then be based on the system gain factor for each phase as calculated for the Program which contains the transient This facilitates constant amplitude transient...

Page 89: ...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 not place the UPC...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 16 WFSEG1 n sets Waveform ΦA of selected segment n 1 to 16 WFSEG2 n sets Waveform ΦB of selected segment n 1 to 16 WFSEG3 n sets Waveform ΦC of selected segment n 1 to 16 TSEG n sets execution time...

Page 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...

Page 96: ...to 16 SOURce WAVEFORM2 n sets Output Waveform ΦB n 1 to 16 SOURce WAVEFORM3 n sets Output Waveform ΦC n 1 to 16 SOURce RAMP t sets Output TRANSITION TIME of voltage and frequency execution t 0 to 300 seconds in increments as small as 0002 Sec SOURce FREQuency LIMit MAXimum n sets Output Frequency max limit n 20 00 to 5000 Hz SOURce FREQuency LIMit MINimum n sets Output Frequency min limit n 20 00 ...

Page 97: ...ance 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 Relation to unity 1 is assumed For a 2 5 1 step up transforme...

Page 98: ...8 64 32 16 default is 128 OUTPut STATE b Command OUTPUT ENABLE opens or closes the power source output relay b OFF or 0 ON or 1 Query returns actual state of output relays 0 OFF or 1 ON not the OUTPUT 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 f...

Page 99: ...Rent 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 as MEASure implies a query Values following a command are ignored Multiple keyword queries may be performed to obtain values of simultaneous...

Page 100: ...C Peak 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 Cr...

Page 101: ...the magnitude of the fundamental for reference The 2nd element is the 2nd harmonic etc Each magnitude is a percent of the fundamental The number of harmonics is defined by SENSe SPECTrum RANGe See para 4 3 1 1 and 5 4 2 MEASure SPECTrum PHASe option Harmonic Analysis and Synthesis Query phase angles in degrees for the most recent harmonics data Returns a data set of up to 256 NR2 type numbers comm...

Page 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...

Page 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 ...

Page 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...

Page 105: ... OPC 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 deta...

Page 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...

Page 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...

Page 108: ...of 3 values are Voltages measured at the EXTernal Sense point at the load The third set of 3 values are Currents measured to the load 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 NOTE The values available apply only to the presently active output FORM If FORM 1 is curr...

Page 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...

Page 110: ...0 PHASE ANGLE B 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 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 sequentially as the Pro...

Page 111: ...e 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 program...

Page 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...

Page 113: ...se string NOTE Only commas separate the values NO Carriage Returns or Line Feeds separate the values 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 where n i...

Page 114: ...ent Step E Un address 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...

Page 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...

Page 116: ...the MEASure command example shown below NOTE All parameters will be measured simultaneously upon receipt of the FETCH command 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 data wav...

Page 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 ...

Page 118: ... serviceable 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 call the factory at 1 800 854 2433 8am to 5pm PST California U S A ...

Page 119: ...cedure must be performed in order for the CSC Continuous Self Calibration function to operate accurately The Manual calibration procedure is not necessary for CSC to operate accurately if EXTERNALLY REFERENCED CALIBRATION is performed as accurate metering assures that the CSC function will track the programmed value 8 1 CALIBRATION INTERVAL Accurate control and measurement requires calibration eve...

Page 120: ...tput depending on system gain See Fig 8 2 for control location To set this level 1 Remove top cover of the chassis 2 Turn on the system Load and Execute a program with the following parameters PROGRAM 1 FORM 3 COUPLING DIRECT FREQ 60 Va 125 0 Vb 125 0 Vc 125 0 WFa 1 WFb 1 WFc 1 SEGS 0 Ilim 50 PHb 120º PHc 240º 3 Φ A Oscillator Measure the power source Phase A output voltage to Neutral using the 4 ...

Page 121: ...R24 R64 J5A J5A R70 R70 J3A J3A J3A J5A J5A J5 AUX I O J1 J1 J1 J1 J3A J1 J1 J1 J4A J4 IEEE 488 FIGURE 8 2 GAIN CONTROL LOCATIONS METER GAIN CURRENT LIMIT ADJUST ΦC OSC GAIN ΦB OSC GAIN ΦA OSC GAIN METERING CABLE AUXILLARY I O CABLE IEEE 488 GPIB CABLE ...

Page 122: ...ter Only one meter circuit is used for all voltage current and power measurements If other metering functions are out of specification after calibrating the Phase A voltmeter return the unit for repair The Output Voltmeter is calibrated as follows Refer to Figure 8 2 for control locations 1 Remove top cover of the chassis 2 Turn on the system Load and Execute a program with the following parameter...

Page 123: ...e voltages and currents on all phases using an external Voltmeter and Current Meter that have been calibrated to a traceable standard i e NBS NIST and are at least 2x as accurate as the UPC metering see Section 2 SPECIFICATIONS 3 Enter the measured values into the UPC via the keyboard or Remote Interface The UPC then creates calibration factors kFactors for the metering functions and stores them i...

Page 124: ...CIRCUIT BREAKERS AND THEN REMOVING THEINPUT SERVICE To calibrate the UPC metering 1 Apply power to the power source and UPC 2 Press fn to invoke the SETUP menu 3 Press 4 to select the CALIBRATION menu CALIBRATION MENU PRESS 1 RESERVED 2 FOR EXTERNALLY REFERENCED METER CALIB 3 FOR Kfactor DISPLAY 4 Press 2 to select EXTERNALLY REFERENCED METER CALIBRATION Φ INT V SENSE EXT V SENSE I1 0 00 A 0 000 0...

Page 125: ... case of a 1 or 2 phase power source the phase C parameters should be set to 0 Entering 0 for a parameter causes the correction factor kFactor for that parameter to be set to the system default value 1 0000 NOTE Only I1 or Ia Ib and Ic can be entered depending upon the power form currently in use NOTE Voltages are to be entered as AC RMS LINE TO NEUTRAL only for voltages Currents are to be entered...

Page 126: ...s 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 1P is the kFactor for single phase current sensing To manually calculate and enter a particular kFactor 1 observe the UPC meter display value 2 use the following equation to calculate the new k factor test equipment value ...

Page 127: ... 3 to perform this 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 the problem recurs after power down the battery which maintains the RAM data may need to be replaced PROBLEM LCD Display not readable PROBABLE CAUSE Battery backed RAM information ...

Page 128: ...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...

Page 129: ...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...

Page 130: ...ection 10 3 10 4 Verify handshake signals are connected properly See section 10 5 1 for additional help 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 is designed to execute the previously executed Program parameters or MANUAL MODE parameters upon power up SUGGESTED CURE If it is de...

Page 131: ... 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 1200 BAUD 300 BAUD 2 Selectable PARITY of ODD EVEN or NONE default 3 Selectable EOS End Of String Terminator CR LF or CR LF default Sets the EOS sent from the UPC The UPC accepts any of the above combinations when receivi...

Page 132: ...ically selected from the list above Then press ENTER 3 Select the PARITY by pressing the key until the desired selection NONE ODD or EVEN is shown Then press ENTER 4 Select EOS End Of String Terminator by pressing the key until the desired selection CR LF LF or CR is shown Then press ENTER 5 Press STORE NOTE Incorrect communication parameters may result in the UPC displaying a PARITY ERROR FRAMING...

Page 133: ...t updated as fast as serial communications can occur therefore sudden changes on the Serial Interface may not be seen on the UPC display 10 5 2 FUNCTIONAL EXCEPTIONS Some functions applicable with the IEEE 488 interface are NOT applicable with the RS 232 interface Specifically they are the following 1 All IEEE 488 1 interface functions see UPC MANUAL sect 5 6 1 2 IEEE 488 2 commands SRE and SRE ar...

Page 134: ...C to HOST PIN 6 DSR Data Set Ready from UPC to HOST PIN 7 SIGNAL GROUND PIN 8 DCD Data Carrier Detect from UPC to HOST PIN 20 DTR Data Terminal Ready from HOST to UPC Pinouts for IBM PC DB 9 are listed below for reference PIN 1 DCD Data Carrier Detect from UPC to HOST PIN 2 RxD RECEIVE DATA from UPC to HOST PIN 3 TxD TRANSMIT DATA from HOST to UPC PIN 4 DTR Data Terminal Ready from HOST to UPC PIN...

Page 135: ...inal emulation program Ensure the UPC is configured the same see section 10 4 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 section 5 1 of the Manual Insert for info on the COMMUNICATION MONITORING AID Verify that RTS is displayed on the UPC STATUS display 4 Send Executable commands from the PC such as SYST BEEP...

Page 136: ...11 current 5 6 13 14 20 25 38 39 69 71 73 87 89 96 103 104 111 113 114 current limit 9 31 48 81 84 98 110 damage 1 3 28 70 data 72 77 79 83 86 89 92 96 103 104 117 119 121 123 data buffer 79 97 DDE 92 delete 61 83 device 83 90 2 93 96 98 121 diagnostic 73 115 118 digital outputs 16 18 DIP switch 27 72 87 120 display 4 36 39 71 75 114 116 driver 77 99 edit 10 31 32 36 40 43 47 53 57 61 72 75 117 12...

Page 137: ...8 116 121 maintenance 2 105 MANUAL MODE 30 33 36 38 41 56 58 61 74 79 83 MAV 90 MEASure 84 87 89 104 message 78 80 83 90 97 102 104 116 121 meter ing 4 7 9 13 16 20 25 32 36 39 68 73 77 86 89 96 103 104 107 110 114 METER PCB assy 8 13 24 27 MIL STD 704D 43 45 53 56 59 61 Modification 128 modulate 3 18 MSS 90 OHD 14 39 89 OPC 83 92 93 output amplitude 3 9 18 48 75 81 83 analog 15 coupling 3 8 35 47...

Page 138: ... 93 Register 90 91 93 94 95 SCPI 93 95 UPC 72 73 77 117 120 121 123 STB 90 92 94 121 STORE key 32 37 43 48 52 61 67 71 120 SYSTem 90 92 93 96 temperature 7 71 terminator eos 117 119 120 test 107 123 THD 10 11 14 39 89 TIME segment 51 52 82 transformer 4 8 16 24 35 47 48 52 69 current 26 73 87 impedance 71 ratio 8 23 24 27 48 73 85 transient cycle base 43 52 57 59 segment 51 58 76 80 82 83 100 101 ...

Page 139: ...NOTES 127 NOTES ...

Page 140: ...MODIFICATIONS 128 MODIFICATIONS MODIFICATIONS This section is reserved for any modifications that may be made ...

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