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Magtrol 7500 SERIES User Manual

Manual is about: Power Analyzer

Summary of 7500 SERIES

  • Page 1

    7500 series power analyzer user’s manual.

  • Page 2

    1st edition – october 2017 while every precaution has been exercised in the compilation of this document to ensure the accuracy of its contents, magtrol, inc. Assumes no responsibility for errors or omissions. Additionally, no liability is assumed for any damages that may result from the use of the ...

  • Page 3: Safety Precautions

    I 1. Make sure that all magtrol dynamometers and electronic products are earth-grounded, to ensure personal safety and proper operation. 2. Securely ground the 7500 series power wattmeter case by connecting a good earth ground at the ground stud located on the rear panel of the unit. Use a number 12...

  • Page 4: Revisions to This Manual

    Ii the contents of this manual are subject to change without prior notice. Should revisions be necessary, updates to all magtrol user’s manuals can be found at magtrol’s web site at www.Magtrol.Com/support/manuals.Htm . Please compare the date of this manual with the revision date on the web site, t...

  • Page 5: Table of Contents

    Iii table of contents safety precautions .........................................................................................................................I revisions to this manual ..................................................................................................................

  • Page 6

    Iv magtrol 7500 series power wattmeter table of contents 3.3.7 special functions ............................................................................................................................... 31 4. Operating principles ...................................................................

  • Page 7

    V magtrol 7500 series power wattmeter table of contents 7. Troubleshooting .......................................................................................................................59 appendix a: schematics ...................................................................................

  • Page 8

    Vi magtrol 7500 series power wattmeter table of contents 4. Operating principles figure 4-1 peak example ..........................................................................................................................................39 figure 4–2 peak hold/inrush current example .............

  • Page 9: Preface

    Vii purpose of this manual this manual contains all the information required for the installation and general use of the 7500 series power analyzer. To achieve maximum capability and ensure proper use of the instrument, please read this manual in its entirety before operating. Keep the manual in a s...

  • Page 10

    Viii magtrol model 6530 three-phase power analyzer preface magtrol 7500 series power analyzer conventions used in this manual the following symbols and type styles may be used in this manual to highlight certain parts of the text: note: this is intended to draw the operator’s attention to complement...

  • Page 11: 1.   Introduction

    1 general informa tion 1. Introduction 2. Inspect the contents for any evidence of damage in shipping. In the event of shipping damage, immediately notify the carrier and magtrol’s customer service department. Note: save all shipping cartons and packaging material for reuse when returning the instru...

  • Page 16: 2.  Controls

    6 general informa tion 2. Controls 2.1 front panel the front panel provides a power switch, sixteen control buttons and a vacuum fluorescent display (vfd). Figure 2–1 front panel 2.2 front panel controls and buttons the front panel controls and buttons, from left to right, are: • powerswitch • tendo...

  • Page 17

    7 magtrol model 6530 three-phase power analyzer chapter 2 – controls general informa tion magtrol 7500 series power analyzer 2.2.1 e nabling s econdary f unctions to enable the secondary function of the double-function control buttons: 1. Press the blue shift button and release it. The word “shift” ...

  • Page 18

    8 magtrol model 6530 three-phase power analyzer chapter 2 – controls general informa tion magtrol 7500 series power analyzer 2.2.2.2 double-function buttons button to use function display press shift and release; then press this button. (for further instruction, see section 3.3.7.4 - custom display....

  • Page 19

    9 magtrol model 6530 three-phase power analyzer chapter 2 – controls general informa tion magtrol 7500 series power analyzer 2.3 vacuum fluorescent display (vfd) the vfd provides information about the control functions, phase voltages and currents. Top row bottom row current current range voltage vo...

  • Page 20

    10 magtrol model 6530 three-phase power analyzer chapter 2 – controls general informa tion magtrol 7500 series power analyzer sure the lowest possible setting is used to achieve desired result. Using a setting higher than necessary may cause display segments to burn-in over a period of time, resulti...

  • Page 21

    11 magtrol model 6530 three-phase power analyzer chapter 2 – controls general informa tion magtrol 7500 series power analyzer input module figure 2–5 input module voltage input connect wires to measure voltage across the load (parallel). C aution : v oltage should not exceed 750 v ac/dc terminal (v)...

  • Page 22

    12 magtrol model 6530 three-phase power analyzer chapter 2 – controls general informa tion magtrol 7500 series power analyzer connect pc usb cable here. Figure 2–7 usb interface use this socket for gpib cable (meets ieee-488 specifications). 24. Signal ground 23. Atn-com 22. Srq-com 21. Ifc-com 20. ...

  • Page 23

    13 magtrol model 6530 three-phase power analyzer chapter 2 – controls general informa tion magtrol 7500 series power analyzer 6 warning: make sure that all magtrol dynamometers and electronic products are earth-grounded, to ensure personal safety and proper operation. Securely ground the 7500 series...

  • Page 24: 7500 Serial Keypad Rev Xx

    14 setup 3. Installation/configuration note: before installing the 7500, you should become familiar with the front and rear panels, as outlined in chapter 2 – controls. 3.1 powering up the 7500 warning! To reduce the risk of electric shock, make sure the 7500 is earth grounded before starting! 3.1.1...

  • Page 25: Magtrol 7500

    15 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer then an additional display will appear indicating the version of your magtrol 7500 series power analyzer. Current voltage power/pf magtrol 7500 fw rev: xx fpga rev: xx fig...

  • Page 26

    16 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer the custom menu can include up to 6 fields with selections dependent on the measurement mode. Current voltage power/pf figure 3–6 custom main menu 3.2 protecting your 7500...

  • Page 27

    17 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer single phase two-wire load three-phase load wye connected three-phase load delta connected low line line high (line) (load) (line 1) (load) neutral l3 l2 l1 1 3 mov > v v ...

  • Page 28

    18 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3.3 testing instrumentation setup before the 7500 can be utilized, it must be configured and connected to the devices intended for power measurement. 3.3.1 w iring m ode t...

  • Page 29

    19 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 1-phase, 2-wire • measuressingle-phasepower. • canbewiredonanyinputmodule. • thepowerfactorisderivedfromthefollowingequations: amps Σ = a x , volts Σ = v x active power = ...

  • Page 30

    20 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 1-phase, 3-wire • measuressingle-phasepower. • utilizesinputmodulesoneandthree. • thepowerfactorisderivedfromthefollowingequations: amps Σ = (a 1 + a 3 )/2, volts Σ = (v 1...

  • Page 31

    21 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3-phase, 3-wire • measuresthree-phasepower. • utilizesinputmodulesoneandthree. • thepowerfactorisderivedfromthefollowingequations: amps Σ = (a 1 + a 3 )/2, volts Σ = (v 1 ...

  • Page 32

    22 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3-phase, 4-wire • measuresthree-phasepower. • utilizesallthreephases. • thepowerfactorisderivedfromthefollowingequations: amps Σ = (a 1 + a 2 + a 3 )/3, volts Σ = (v 1 + v...

  • Page 33

    23 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3-volt, 3-amp • measuresthree-phasepower. • utilizesallthreephases. • thepowerfactorisderivedfromthefollowingequations: amps Σ = (a 1 + a 2 + a 3 )/3, volts Σ = (v 1 + v 2...

  • Page 34

    24 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3.3.1.2 softwareconfiguration to configure the 7500 to coincide with the wiring on the rear panel, complete the following steps utilizing the user menu located on the fron...

  • Page 35

    25 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3.3.3 e xternal s ensor if currents continuously reach above 20 amps, an external sensor must be used. 3.3.3.1 hardware connection in any of the wiring modes, any one of t...

  • Page 36

    26 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3.3.3.2 softwareconfiguration to configure the 7500 external sensor, complete the following steps utilizing the user menu located on the front panel of the unit. 1. Turn o...

  • Page 37

    27 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3.3.4 a mp s caling the current measurement range can be extended by using a current transformer. Frequency response will be determined by the characteristics of the trans...

  • Page 38

    28 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 8. To turn phase 2 scaling on, press the peak-cf button under off until on is reached. 9. To set the amp scaling for phase 3, press the avg button under a3 and use the pq...

  • Page 39: 1.0000

    29 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3.3.5 v olts s caling the voltage measurement range can be extended by using a potential transformer. Frequency response will be determined by the characteristics of the t...

  • Page 40

    30 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3.3.6 p hase s etup once the wiring mode, measurement filter, external sensor, amp scaling and volt scaling have been connected and configured, the unit is ready to be con...

  • Page 41

    31 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer a.2. A source now needs to be selected. Press shift button and release, then press source button. Keep repeating until desired source selection is reached. Selections incl...

  • Page 42

    32 magtrol model 6530 three-phase power analyzer chapter 3 – installation/configuration setup magtrol 7500 series power analyzer 3.3.7.3 peak hold • clearspeakhold/inrushreading. • toenable,pressshiftbuttonandrelease,thenpresspeakhold.Thedisplaywillflash the following, then return to the main menu. ...

  • Page 43: 4.  Operating Principles

    33 theor y 4. Operating principles 4.1 analog processing 4.1.1 v olts the volts signal is brought in through a precision voltage divider of 2 m and 2.4 k resistors. The gain is 0.0012. This signal is buffered (gain = 1) and passed into a programmable gain section. The gains for the voltage ranges ar...

  • Page 44

    34 magtrol model 6530 three-phase power analyzer chapter 4 – operating principles theor y magtrol 7500 series power analyzer 4.1.2 a mps the amps signal is brought in through a precision shunt of 0.012 ohms. This signal is amplified by 2 and passed into a programmable gain section. The gains for the...

  • Page 45

    35 magtrol model 6530 three-phase power analyzer chapter 4 – operating principles theor y magtrol 7500 series power analyzer 4.1.3 e xternal s hunt the external shunt signal is brought in through a precision voltage divider of 9.1 k and 9.1 k resistors. The gain is 0.50. This signal is buffered and ...

  • Page 46

    36 magtrol model 6530 three-phase power analyzer chapter 4 – operating principles theor y magtrol 7500 series power analyzer 4.2.1 ac d etails 4.2.1.1 interrupt driven the power analyzer will automatically update its data every 4.469 microseconds by completing the following sequence of events: • the...

  • Page 47

    37 magtrol model 6530 three-phase power analyzer chapter 4 – operating principles theor y magtrol 7500 series power analyzer 4.2.1.2 fpga program the program reads that a sample is ready. Divide the v² register by 256. Store v² in a 32-bit register. The result is appended to a 32 word circular buffe...

  • Page 48

    38 magtrol model 6530 three-phase power analyzer chapter 4 – operating principles theor y magtrol 7500 series power analyzer 4.2.2 dc d etails 4.2.2.1 interrupt driven the power analyzer will automatically update its data every 4.469 microseconds by completing the following sequence of events: • the...

  • Page 49

    39 magtrol model 6530 three-phase power analyzer chapter 4 – operating principles theor y magtrol 7500 series power analyzer volts vs. Angle -100 -50 0 50 100 150 200 250 0 50 100 150 200 250 300 350 volts peak figure 4-1 peak example.

  • Page 50

    40 magtrol model 6530 three-phase power analyzer chapter 4 – operating principles theor y magtrol 7500 series power analyzer 4.3.2 p eak h old / i nrush c urrent peak hold/inrush current allows the 7500 to store the highest value read in a designated period of time, the designated period of time bei...

  • Page 51

    41 magtrol model 6530 three-phase power analyzer chapter 4 – operating principles theor y magtrol 7500 series power analyzer 4.3.4 rms see section 4.2.1 – ac details 4.3.5 c rest f actor the crest factor measurement is determined by dividing the peak measurement by the rms measurement. See the follo...

  • Page 52

    42 opera tion 5. Computer controlled operation using the 7500 with a personal computer (pc) enables the unit to perform at its full capacity. 5.1 about the gpib interface magtrol prefers the gpib (general purpose interface bus)/ieee-488 standard for computer-to- instrument interfacing because: • the...

  • Page 53

    43 magtrol model 6530 three-phase power analyzer chapter 5 – computer controlled operation opera tion magtrol 7500 series power analyzer complete the following instructions utilizing the user menu control buttons. 1. Press enter. 2. Use the  and  buttons until i/o is reached. 3. Press enter. 4. Us...

  • Page 54

    44 magtrol model 6530 three-phase power analyzer chapter 5 – computer controlled operation opera tion magtrol 7500 series power analyzer 4. Locate 7500.Driver.Msi and double click 7500.Drivers.Msi. The following window will pop up. 5. Ignore the warning and click yes to continue installation..

  • Page 55

    45 magtrol model 6530 three-phase power analyzer chapter 5 – computer controlled operation opera tion magtrol 7500 series power analyzer 6. This successfully installs the virtual com port drivers to your 7500. 5.3 ethernet connection you may use labview or any other programming language to write a c...

  • Page 56

    46 magtrol model 6530 three-phase power analyzer chapter 5 – computer controlled operation opera tion magtrol 7500 series power analyzer 3. Issue output data command “*idn?” and read 32 characters according to the instructions for your gpib interface or serial. 5.5 data format • allmeasurementvalues...

  • Page 57

    47 magtrol model 6530 three-phase power analyzer chapter 5 – computer controlled operation opera tion magtrol 7500 series power analyzer 5.5.2 oe e xample total = 43 characters outputstring: (1-42)=measurementvaluefloatenotation(ansi) data position: ax, vx, wx (where x = requested phase) 5.5.2.1 goo...

  • Page 58

    48 magtrol model 6530 three-phase power analyzer chapter 5 – computer controlled operation opera tion magtrol 7500 series power analyzer 5.7 7500 mag.Net commands ieee-488 address: 0-15 terminator: carriage return followed by a line feed usb terminator: carriage return followed by a line feed when e...

  • Page 59

    49 magtrol model 6530 three-phase power analyzer chapter 5 – computer controlled operation opera tion magtrol 7500 series power analyzer command code function explanation meas:amps , returns amp measurement value at current instant. Indicates input phase. Valid values for are: 0 sum of amp phases 1 ...

  • Page 60

    50 magtrol model 6530 three-phase power analyzer chapter 5 – computer controlled operation opera tion magtrol 7500 series power analyzer command code function explanation meas:watts , returns the power measurement at the current instant. Indicates input phase. Valid values for are: 0 sum of watts ph...

  • Page 66: 6.  Calibration

    56 maintenance 6. Calibration 6.1 closed-box calibration the 7500 features closed-box calibration. The advantage of closed-box calibration is that the user does not have to disassemble the case or make mechanical adjustments. 6.2 calibration schedule calibrate the 7500: • afteranyrepairsareperformed...

  • Page 67

    57 magtrol model 6530 three-phase power analyzer chapter 6 – calibration maintenance magtrol 7500 series power analyzer 6.4 basic calibration process earth figure 6–1 calibration/verification test setup the 7500 must be used with a personal computer to complete the calibration process. 1. Begin the ...

  • Page 68

    58 magtrol model 6530 three-phase power analyzer chapter 6 – calibration maintenance magtrol 7500 series power analyzer where xx.Xx is the voltage/current on the inputs (full scale). 10. Repeat steps 5 through 9 for all ranges. 11. Remove amp and voltage inputs. 12. Attach external input to calibrat...

  • Page 69: 7.  Troubleshooting

    59 maintenance 7. Troubleshooting if you require additional assistance, please contact magtrol customer service at 1-716-668-5555. Problem reason solution no gpib communication. Setup error and/or hardware fault. Check: •gpibaddressofpower analyzer. •gpibcable-shouldbe functioning and attached to po...

  • Page 70: Appendix A:  Schematics

    60 appendices appendix a: schematics a.1 block diagram.

  • Page 71

    61 appendices appendix b: compatible command sets b.1 configuration commands command code function explanation *idn? Returns magtrol device identification,serialnumbers andfirmwareandfpga revisions magtrol,75x0,serial#####,firm,fpga where x is the channel count (1,2,3,4) where serial##### is the ser...

  • Page 72

    62 magtrol model 6530 power analyzer appendix a: schematics appendices magtrol 7500 series power analyzer appendix b: compatible command sets command code function explanation mam1,m2 sets the rms or dc measurement mode of amps phases. "m1" indicates the input phase. Values for m1 are: 0 = all phase...

  • Page 73

    63 magtrol model 6530 power analyzer appendix a: schematics appendices magtrol 7500 series power analyzer appendix b: compatible command sets command code function explanation rvm1,m2 sets voltage range. "m1" indicates the input phase. Values for m1 are: 0 = all phases 1 = phase 1 2 = phase 2 3 = ph...

  • Page 74

    64 magtrol model 6530 power analyzer appendix a: schematics appendices magtrol 7500 series power analyzer appendix b: compatible command sets b.2 data output commands command code function explanation oam1,m2 requests amp measurement value. "m1" indicates the input phase. Values for m1 are: 0 = sum ...

  • Page 76: Service Information

    66 service information returning magtrol equipment for repair and/or calibration before returning equipment to magtrol for repair and/or calibration, please visit magtrol’s web site at http://www.Magtrol.Com/support/rma.Htm to begin the return material authorization (rma) process. Depending on where...

  • Page 77

    Www.Magtrol.Com testing, measurement and control of torque-speed-power • load-force-weight • tension • displacement magtrol inc 70 gardenville parkway buffalo, new york 14224 usa phone: +1 716 668 5555 fax: +1 716 668 8705 e-mail: magtrol@magtrol.Com magtrol sa route de montena 77 1728 rossens / fri...