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Newtons4th PSM3750 NumetriQ Startup Manual Download Page 10

PSM3750 Quick User Guide

 

 

 

Page 8 

 

 

4.   Front Panel Layout 

 

1.

 

 Display Screen 

2.

 

 Screen Display Function Buttons 

3.

 

 PSM Function Mode Buttons 

4.

 

 Handle 

5.

 

 Measurement Control Function Keys 

6.

 

 Rubber Feet 

7.

 

 Menu Selection and Cursor Controls 

8.

 

 Measurement Settings Buttons 

9.

 

 Front USB Port 

  

10. Power On / Off Button

 

 

                                             

 

 

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2 

      

3

           

                                                                 

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Summary of Contents for PSM3750 NumetriQ

Page 1: ...PSM3750 START UP GUIDE Firmware v1_27 23rd February 2016...

Page 2: ......

Page 3: ...ed Pages 26 27 7 2 Zoom Functions Pages 28 29 7 3 7 4 Measurement Options Acquisition Page 30 Pages 30 33 7 5 Sweep Pages 34 37 7 6 FRA Pages 38 39 7 7 7 8 8 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 Trim Comms...

Page 4: ...ssing or damaged during transportation immediately contact your local sales distributor or N4L office MODEL Mains Lead Voltage Probe 4mm Black Lead 4mm Red Lead Black Croc Clip Red Croc Clip N4L 2GB M...

Page 5: ...below the line of sight The design also allows storage under the unit without obstruction of the rubber feet so that instruments can be stacked and is easily removed to allow the connection of rack m...

Page 6: ...front of the instrument Pic 3 Also a correctly fitted handle will allow storage under the unit Pic 4 Incorrect 1 Incorrect 2 Fitting the handle from the bottom of the unit as shown here is wrong Inco...

Page 7: ...ly grounded supply The inputs and outputs must not be connected to common mode signals greater than 500V peak The inputs must not be connected to signals greater than 500V peak Keep the ventilation ho...

Page 8: ...power cord or cables Doing so may cause an electric shock or a fire Do not place any object on this instrument Do not use this instrument if faulty If you suspect the instrument to be faulty contact...

Page 9: ...button then the Left Arrow If the problem cannot be resolved directly then you will be given an RMA number and asked to return the unit The instrument will be repaired or replaced at the sole discreti...

Page 10: ...ay Screen 2 Screen Display Function Buttons 3 PSM Function Mode Buttons 4 Handle 5 Measurement Control Function Keys 6 Rubber Feet 7 Menu Selection and Cursor Controls 8 Measurement Settings Buttons 9...

Page 11: ...minal size of the window and therefore the update rate and time constant of the filter Greater stability is achieved at a slower speed at the expense of a slower update rate Very Slow Update rate 10s...

Page 12: ...ed in smoothing is reset in response to a significant change in data This speeds up the response of the instrument to changing conditions Fixed Time Auto reset can be disabled so that the filtering ha...

Page 13: ...0 steps Steps Log Set to view the resultant data in a Logarithmic format Linear Set to view the resultant data in a Linear format Sweep Select between either a single or repeating sweep Graph 1 Scalin...

Page 14: ...hange the format to which the instrument responds to future commands via Comms interface Normal Data resolution set to 5 decimal points High Data resolution set to 6 decimal points Binary Data transmi...

Page 15: ...old Zoom 1 Zoom 1 parameter selected for alarm threshold Zoom 2 Zoom 2 parameter selected for alarm threshold Zoom 3 Zoom 3 parameter selected for alarm threshold Zoom 4 Zoom 4 parameter selected for...

Page 16: ...amplitude in dBm with reference to 600 load Amplitude Manually enter the amplitude Vpk value to be applied To the DUT Amplitude Step Size Manually enter a value by which the amplitude will increase de...

Page 17: ...ranging Full Autorange Default setting Full autoranging will be selected and implemented within the instrument Range up Only Selecting this option will allow the test being carried out to find the hig...

Page 18: ...being carried out to find the highest range via peak detection and hold on this range Once this value has been found another test can be carried out by pressing the Trigger button which will restart...

Page 19: ...80 Commonly used in circuit analysis 0 to 360 Commonly used in power applications 0 to 360 Select as required Phase Reference Phase Reference Sine or Cosine only changes the phase of a harmonic you wi...

Page 20: ...ocessing release version FPGA Release Field Programmable Gate Array release version Boot Release Release version of instruments boot up firmware Last Calibration Instruments last calibration date Auxi...

Page 21: ...illoscope The PSM3750 provides a storage oscilloscope function in order to view the waveforms being measured PROG Recall Store Delete of non volatile programs Memory Program store recall options Inter...

Page 22: ...set START Start button will commence any frequency sweep Is also the button used to initialise a screen dump of any data displayed onto a USB memory stick STOP Stop button will stop any frequency swe...

Page 23: ...PSM3750 Quick User Guide Page 21 5 Rear Panel Layout 1 Input Connections 2 Output Connections 3 Mains Supply Inlet 4 Communication Ports 5 Auxiliary Ports 6 IAI2 Connection Port 1 2 6 5 4 3...

Page 24: ...TTING THE TIME Power Analyzer Default Screen Appears Press SYS Key System Option Screen Opens Press Key Flashing Red Cursor will surround Hrs Use Numerical Keys Set Hours within cursor Press Enter Key...

Page 25: ...r Opens Press Key Select Month to be entered Press Enter Key Month will be set Press Key Flashing Red Cursor moves to Year Use Numerical Keys Set Year within Cursor Press Enter Key Date will now be Se...

Page 26: ...ess Key Red cursor moves to supervisor access Press Key Changes between Enable Disable option Press Enter Key Supervisor access selected Press Key Red cursor moves to User Data Use Numerical Keys On t...

Page 27: ...o the signal generator output The output is fully isolated from earth to 600Vpk cat II PSM3750 has two or three isolated high bandwidth voltage inputs which use direct digital analysis at low frequenc...

Page 28: ...the instrument before commencing any tests to ensure accurate readings Default screen FRA will be displayed after initialisation Due to the fact that the PSM3750 generator is switched off by default...

Page 29: ...e 27 The display should now indicate a magnitude value of about 1 4V on all channels each of which should indicate the 3V range having been selected Check that the gain reads 0 000dB 0 010dB and that...

Page 30: ...will flash around currently selected zoom parameters Press DELETE Red Boxes will disappear replaced by 1 white flashing box Press Keys Move Box to desired measurement parameter to be zoomed Press ENTE...

Page 31: ...resolution 6 digits this can be displayed when enabled in ZOOM level 2 or 3 To set ZOOM 2 or 3 to high resolution access the SYSTEM OPTIONS menu and scroll down to zoom 2 high resolution as shown Pre...

Page 32: ...equivalent to a first order RC low pass filter There are 5 pre set speed options that adjust the nominal size of the window and therefore the update rate and the time constant of the filter Greater st...

Page 33: ...lly input using the numerical keypad and pressing ENTER There are two time constants for the smoothing filter Normal or Slow or the filter can be deselected The filter applies an auto reset function t...

Page 34: ...pressing TRIGGER When the PSM3750 s own generator is not used and so the measurement is synchronised to the input frequency measured on CH1 there is a low frequency option that extends the frequency...

Page 35: ...dwidth of the instrument usually set to auto can be forced to wide or low When not in auto selection heterodyning is disabled and the bandwidth is either 5MHz wide or 100 KHz low to minimise noise whe...

Page 36: ...sing the PSM3750 can be swept across a frequency range The start frequency stop frequency and number of steps up to 2000 can be entered manually by the user Setting the steps parameter to log or linea...

Page 37: ...le results from a sweep set to Linear Graph and Table results from a sweep set to Log To view the Graph or Table data as displayed above either during or upon the completion of a sweep push the approp...

Page 38: ...be configured to be left in auto scaling mode or be set manually by the operator When graph 1 or graph 2 scaling is set to manual the user will have the opportunity to manually enter the upper and lo...

Page 39: ...g each scale as in the earlier screenshot we are then able to view this data as a plotted graph Displayed right is the graph with the appropriate scaling as set earlier Also displayed is a frequency m...

Page 40: ...from the signal can increase the resolution of signal measurements as shown in the following screenshots Signal generator set as below with a 100mVpk sinewave and a 5V dc offset connected across the...

Page 41: ...easurement from the 100mV input whilst ignoring the 5V dc offset with the autoranging now set onto the 300mV range Accuracy for the RMS mode 0 075 range 0 075 reading 0 05mV 10 kHz So the greater accu...

Page 42: ...oop control of the generator amplitude It will allow a specific measurement on CH1 CH2 or CH3 if fitted to be set and the generator output will be adjusted to maintain this fixed voltage or current Vi...

Page 43: ...TROL display This will now be the maintained measured voltage or current and will allow a much more controlled level over changing levels such as a frequency sweep At each measurement point the measur...

Page 44: ...nt data will be displayed within the data resolution parameter and change the format to which the instrument responds to future commands via a Comms interface For further information on each parameter...

Page 45: ...lating to the IAI can be found within section 7 2 PSM3750 IAI OUT The OUT mode refers to the PSM3750 output generator Information relating to all of the outputs parameters can be found in section 4 1...

Page 46: ...meter the user can select which measurement function they wish to select from the drop down menu These are also available via the direct function button on the PSM3750 s front panel Except Harmonic An...

Page 47: ...de by pressing the FRA button Use the arrow until the red box surrounds the gain phase margins parameter now press arrow to enable this function these parameters will now be displayed within the graph...

Page 48: ...hange the output to ON Within the CH1 CH2 menu set the coupling to ac only as described in an earlier section called FRA Sweep with ac Coupling Pressing will take you directly to the CH2 display Chann...

Page 49: ...data but as a bode plot presentation it can be noticed that a cursor is also present on the graph at the same frequency point as we saw in the table display above using the arrows will move the curso...

Page 50: ...se referred to CH1 the reference input The individual components are filtered separately to minimise the effects of noise which would have random phase and would therefore be filtered out The true rms...

Page 51: ...until the red box surrounds the null meter parameter press the arrow to open up the drop down menu as shown Select either auto or manual range Selecting manual will allow the user to set their own up...

Page 52: ...nge as the signal varies When manually ranging ZOOM and ZOOM adjust the range by a decade There is a phase offset option that applies a vector rotation of a user selectable phase shift to the CH2 inpu...

Page 53: ...r in sweep mode each result comprises a single window without any filtering The ZOOM function can be used to select up to four parameters from the display when in real time mode It has no function fol...

Page 54: ...ich they are used In many cases components are used under conditions where the parasitic effects of the component become critical and must be measured reliably over a wide range of operating condition...

Page 55: ...BNC leads from the BNC connectors on the rear of the IAI2 OUT CH1 and CH2 to the corresponding isolated BNC connectors on the PSM3750 above it Connect the ribbon cable from the extension port on the...

Page 56: ...750 Quick User Guide Page 54 Front View Connect the Red Kelvin Lead to the Signal and Sense BNC connectors on the front of the IA2 and connect the Black Kelvin Lead to the Sense and Signal BNC connect...

Page 57: ...he RMS Voltmeter display unless a program has been stored within PROG 1 Configuration of PSM3750 IAI2 Press the AUX key on the PSM3750 The auxiliary device will appear as shown from the dropdown menu...

Page 58: ...ear but all 4 led s remain illuminated and flashing then check that the IAI2 is correctly connected to the supply switched on at the rear and the fuse is intact To test that the IAI2 is responding con...

Page 59: ...rrent through the DUT SHUNT VALUE LOW 5 NORMAL 50 HIGH 5k VERY HIGH 500k When the Shunt is selected on the instrument via the AUX menu as described earlier the resistance value is automatically entere...

Page 60: ...obtained with impedances within a factor of 100 of the shunt value It is necessary to take great care in order to achieve the best accuracy of measurement The leads of the component must be scrupulou...

Page 61: ...OW 50 10MHz NORMAL 50m to 50k all HIGH 5 to 5M all VERY HIGH 1M 1kHz Of course this table is only a guide and each shunt can be used beyond the limits quoted Automatic shunt selection can be configure...

Page 62: ...ple connections to a discrete component The Kelvin Leads can be clipped onto the body of the DUT as close as possible to the component For accurate measurements it is essential that the component lead...

Page 63: ...ht finger pressure To insert a component push up the upper contact plate so that the legs of the component can be inserted If necessary push up the upper contact plate on one side first and then the o...

Page 64: ...d At higher frequencies it is almost always necessary to compensate for stray effects unless using the HF component fixture connected to the front of the IAI2 There are 2 forms of compensation 1 Short...

Page 65: ...CUIT CONNECTION Compensation Menu Settings With the PSM3750 set in LCR mode press the ZERO button to display the LCR compensation screen as shown below Select the compensation parameter to correspond...

Page 66: ...y default then sweep compensation will be carried out on each individual shunt in turn over the sweep parameters set earlier Note When undertaking open compensation it is advisable to use a solid piec...

Page 67: ...measurement settings to be made as shown below Parameter setting If the parameter option within the LCR menu is set to auto the PSM3750 will display capacitance or inductance according to the phase of...

Page 68: ...alternatively it can sweep a range of frequencies and present the results as a table or graph Before performing a sweep either series circuit or parallel circuit must be selected from within the LCR...

Page 69: ...digital filter in sweep mode each result comprises a single window without any filtering unless repeat sweep is selected External frequency Reference Although it is most unusual not to use the PSM375...

Page 70: ...will then adjust the generator output level until the measured voltage across the component is as specified NOTE AC level and tolerance parameters are set for screenshot purposes only The optimum tes...

Page 71: ...es shown are for illustration purposes only The peak measurement is simply the value with the largest magnitude Positive and Negative peaks are independently filtered then the result with the largest...

Page 72: ...hen data is missed is when an autozero measurement is requested this can be disabled within the SYSTEM menu if required The ZOOM function can be used to select any combination of up to four parameters...

Page 73: ...ories from N4L Current Transformers and clamps may be used if fitted with a suitable burden resistor The power meter will operate either from its own generator or more normally will use the frequency...

Page 74: ...the display The timebase may be set to any real value between 15 s div to 5s div Pressing the arrows on the main panel will adjust the timebase by a factor of 2 Trigger Reference The data source for...

Page 75: ...set to ON a low pass filter is applied to the trigger data to stabilise the trace with noisy signals The filter only influences the trigger detection and does not change the data displayed Pretrigger...

Page 76: ...ith Dual cursors configured From the screenshot above output set to 50Hz 2Vpk the display shows all fundamental measurements from the position of cursor 1 Also displayed is the time difference between...

Page 77: ...eal time The settings for the harmonic analyzer are configured from within the MODE function as there is no direct button to press Press MODE and select harmonic analyzer from the dropdown menu within...

Page 78: ...ose of this manual the output signal was generated using the PSM3750 s own generator as shown within the next screenshot where it can be seen that the output frequency was set to 1 kHz From the real t...

Page 79: ...he signal being received as shown Here we are able to view the squarewave signal that was previously set within the OUTPUT menu screen and which was being analyzed for this guide NOTE If the SCOPE but...

Page 80: ...fety isolated For easy configuration of the PSM3750 refer to the N4L website in order to download a PSM3750 BATT470 configuration file This is available within the applications section Battery Cell El...

Page 81: ...6 Connect DUT ve to GEN ve 7 Connect GEN ve to BATT470 AHi 8 Connect DUT ve to BATT470 ALo 9 Connect PSM CH1 across DUT ve 10 Set SW1 SW2 to TEST 11 Wait 1 minute for settling 12 Perform Test Note 1 E...

Page 82: ...mal points plus any exponent eg 1 2345 E00 Selecting High will set the Data Resolution to 6 decimal points plus any exponent eg 1 23456 E00 For higher speed transfer a proprietary binary format can be...

Page 83: ...drop down menu Default Setting is 19200 To use a USB lead to connect set the interface parameter to read USB Configuring the interface to LAN will then display the IP address applicable to your instru...

Page 84: ...nominated program within the PROG settings To recall a Comms configuration set the recall option to ON then recall the appropriate program Remember to set this first before recalling your saved progr...

Page 85: ...B Memory Stick The following section explains the procedure for storing a Frequency Sweep onto USB memory stick 1 Setup Sweep Parameters SWEEP MENU 2 Press START to commence Sweep 3 Insert Memory Stic...

Page 86: ...s for ease of identification Select execute and press enter to transfer data to memory stick 5 Message will appear on screen writing to USB please wait 6 Data will be transferred onto the memory stick...

Page 87: ...de Page 85 11 File location box will appear as below 12 Click on and open the dropdown menu box showing All Excel Files and change to All Files 13 Locate saved txt file from folders 14 Double click on...

Page 88: ...ill appear as shown below now change file type from Fixed width to Delimited 16 With Delimited selected click on Next 17 Delimiters screen will appear as shown within the next screenshot 18 Make sure...

Page 89: ...PSM3750 Quick User Guide Page 87 19 New screen will appear then click on Finish Data will be exported into an Excel spreadsheet as shown...

Page 90: ...ure for storing recalling or deleting a program to or from the instruments internal memory or USB memory Stick 1 Press PROG button to open up program store recall mode 2 Select memory type to be used...

Page 91: ...PSM3750 Quick User Guide Page 89 4 Select the action to be taken in association with the data selected...

Page 92: ...on 0 FACTORY DEFAULT and cannot be changed Location 1 Upon start up should any program be stored within program 1 then the PSM will automatically recall this program 6 Enter a name within this paramet...

Page 93: ...PSM3750 Quick User Guide Page 91 7 Upon implementing any of the above actions then remember to scroll down to EXECUTE and press ENTER to validate your selection action...

Page 94: ...section on the main header then clicking on the go to downloads link at this point you will be asked to login or register Once your registration has been authorised you will then be authorised to visi...

Page 95: ...wn Connect a double BNC connector to the OUTPUT BNC then run 2 separate BNC leads from the output connecting to CH1 BNC and to CH2 BNC 2 Make sure program 0 factory default is set within the PROG menu...

Page 96: ...the front panel this button is a direct button to set this parameter as MEGA Hertz press ENTER 10 000MHz will now be set Use the arrow to scroll to steps enter 500 from the numerical keypad and press...

Page 97: ...accumulated across the full frequency range Sweep will cease upon the completion of 500 steps which will be at a frequency of 10MHz 7 Store Results Upon completion of your sweep press the PROG button...

Page 98: ...Page 96 Upon completion of the top 5 parameters use the arrow until the red box surrounds execute Press ENTER a message will appear underneath execute as shown Use the to move the red box to the new...

Page 99: ...memory stick and an onscreen message will be displayed upon completion Inserting the memory stick into your PC you will now find 2 files a txt and N4L file as shown below save these to a location on...

Page 100: ...ibrated annually Contact details 1 Newtons4th Ltd 1 Bede Island Road Leicester LE2 7EA United Kingdom Tel 0116 230 1066 International 44 116 230 1066 Fax 0116 230 1061 International 44 116 230 1061 E...

Page 101: ...table from 0 2 seconds Phase Angle Voltmeter Measurement In Phase Quadrature Tan Magnitude Phase in phase ratio rms rms ratio LVDT differential LVDT ratiometric Frequency Range 10 Hz 50MHz Basic Accur...

Page 102: ...urrent Shunt External Current Accuracy As Voltage External Shunt Tolerance Watts Accuracy 0 1 VA range 0 1 reading External Shunt Tolerance Signal Generator Type Fully Isolated 10Vrms output protected...

Page 103: ...lyser Interface PSM3750 3CH IAI2 3 Channel PSM3750 Impedance Analyser Interface IAI2 Impedance Analyser Interface Specification Frequency Range 10 Hz to 50MHz Measurement Parameters L C R Phase QF Tan...

Page 104: ...ons user selectable Datalog Window From 10ms with no gap between each log Memory RAM or Non Volatile Memory up to 16 000 records General Display 480X272 dot full colour TFT White LED backlit Dimension...

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