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Infratek SM201 User Manual Download Page 18

POWer:ACTive

 

<

F

>

 

Query or set field DC coupled power in Watt 

                         

:AC 

<

F

>

 

Query or set field AC coupled power in Watt 

 

 

 

 

:INT

 

<

F

>

 

Query or set field DC coupled average energy (short time 
integration) 

 

 

 

        :AC 

<

F

>

 

Query or set field AC coupled average energy (short time 
integration) 

          

 :APParent

 

<

F

>

 

Query or set field DC coupled apparent power 

 

 

             :AC 

<

F

>

 

Query or set field AC coupled apparent power 

 6-9 

6-10 

 

 

 

       :INT 

<

F

>

 

Query or set field DC coupled average apparent energy 
(short time integration) 

 

 

 

             :AC 

<

F

>

 

Query or set field AC coupled average apparent energy 
(short time integration) 

          

 :REActive

 

<

F

>

 

Query or set field DC coupled reactive power 

 

 

           :AC 

<

F

>

 

Query or set field AC coupled reactive power 

 

 

 

     

:INT 

<

F

>

 

Query or set field DC coupled average reactive energy 
(short time integration) 

 

 

 

            :AC 

<

F

>

 

Query or set field AC coupled average reactive energy 
(short time integration) 

           

:FFT 

<

F

>

:G

 

Set the field (0,1,...,9) for the power harmonic previously 
selected by the FORMat:START and FORMat:END 
command. Use the G argument instead of 

<

F

>

 to display 

FFT(p) in the display graphic zone. 

           

:FFT?    

Query all power harmonics in the range specified by the 
FORMat:STart and FORMat:END commands. 

           :

FACtor 

<

F

>

 

Query or set the field for the DC coupled power factor 

 

             :AC 

<

F

>

 

Query or set the field for the AC coupled power factor 

 

ENergy:ACTive 

<

F

>

 

Query or set field of energy (long time integration) 

            

 :APParent 

<

F

>

 

Query or set field of apparent energy (long time 
integration) 

            

 :REActive 

<

F

>

 

Query or set field or reactive energy (long time integration) 

             

:RESET

 

No query form, resets all energy values 

 

FREQuency 

<

F

>

 

Query or set field of current or voltage signal frequency. 
Depends on current or voltage synchronisation. 

 

IMPedance:MAGnitude 

<

F

>

 

Set the field for harmonic impedance previously selected 
by the FORMat:START command. 

                  

 :MAGnitude?

 

Query all harmonic impedances in the range specified by 
the FORMat:START and FORMat:END commands. 

                   

:ANGle 

<

F

>

 

Set the field for harmonic phase angle previously selected 
by the FORMat:START command. 

                   :ANGle?

 

Query all harmonic phase angles in the range specified by 
the FORMat:START and FORMat:END commands. 

 

ACQuire:RANge:VOLTage

 Auto 

 

 

 

   

600M    Query or set voltage range 

 

 

 

   

    2 

 

 

 

   

    6 

  Examples: 

 

 

 

   

  20 

  ACQ:RAN:VOLT AUTO  Voltage in autoranging. 

 

 

 

   

  60 

  ACQ:RAN:VOLT 200 

Selects 200V range. 

  

 

 

 

200 

  

 

 

 

600 

                                                2000 

 

ACQuire:RANge:CURRent 

Auto 

   

 

Query or set current input range 

                                                 15M 

1          60M 

(the valid option column is fixed 

                                                 50M 

3          200M 

by the active input, IN5, IN30,  

                                                 150M  10       600M 

and SHUNT) 

                                                 500M  30       2 
                                                 1.5 

100     6 

                                                 5 

         

                                                 15 
              

:INput

 IN5 

 

Query or set the current input or the shunt input. 

 

 

 

    IN30 

 

 

 

    SHunt 

 
             

 :MEAsuremo   

CURRent 

   

Query or set instrument measure mode. 

 

 

 

                 VOLTage 

 

 

 

                  POWer 

 

 

 

                  BURSTIi 

 

 

 

                  BURSTUu 

 

 

 

                  FLicker 

 
              

:APERture

  100M 

 

Query or set the minimal averaging time 

 

 

 

             250M 

 

 

 

             500M 

 

Example: 

 

 

 

             1 

 

ACQ:APER 500m         Sets  minimal  averaging  time  to 
500ms. 

 

 

 

             2 

 

 

 

             IEC555-2 

 
               

:Hold   

 Run 

 

Query or set acquisition subsystem. 

 

 

 

       Stop 

 

Display data are held. 

               

:QUality?  

Query overload and underload of current and voltage 
inputs. An integer is returned. The integer indicates the 
state during the previous query 
(VOLT:,CURR:,POW:,EN:, or FREQ:). For more details 
refer to overload and underload register definition. 

 
 
 

Summary of Contents for SM201

Page 1: ...UAL SM201 SPECTRAL MULTIMETER Copyright 2001 by Infratek AG Infratek AG Weingartenstrasse 6 CH 8707 Uetikon am See Phone 41 1 920 50 05 Fax 41 1 920 60 34 www infratek ag com E Mail info infratek ag com Infratek ...

Page 2: ...AND STOPPING 5 12 SCALING OF CURRENT AND VOLTAGE INPUTS 5 13 PRINTING DATA 5 14 THIS IS HOW YOU SAVE YOUR DESIRED INSTRUMENT SETTINGS 5 14 1 THIS IS HOW THE SM201 STARTS UP IN THE DESIRED CONFIGURATION 5 15 MEASUREMENT TECHNIQUES USING THE SPECTRAL MULTIMETER 6 OPERATING THE SPECTRAL MULTIMETER USING THE COMPUTER INTERFACE 6 1 INTRODUCTION 6 2 LOCAL AND REMOTE OPERATIONS 6 3 COMPUTER INTERFACES 6 ...

Page 3: ...and voltage test leads must form 4 windings through ferrite torroid Philips Type 4322 020 9720 or equivalent Interface inputs outputs must be shielded 1kV burst test use shielded input and output cables The Spectral Multimeter complies with the safety standards IEC 1010 1 EN 61010 1 1 1 WARNINGS Before reading the manual or before using this instrument read carefully the warnings below and make su...

Page 4: ...es with the 488 1 and the 488 2 1987 standard Option 03 contains the RS 232 serial interface the Centronics printer output the IEEE 488 interface four programmable 5V analog outputs and eight analog inputs Option 04 contains a current sensor module supplied by the SM201 Current ranges are 0 25A up to 0 1000A Option 07 contains an operating software under Windows Option 08 contains an external TTL ...

Page 5: ...ms Vrms Power Factor Add accuracy percentage figures PF W VA Crest Factor CF Ap Arms Vp Vrms Form Factor FF At Arms Vt Vrms of values involved in comput Impedance Z Vrms Arms Total Harm Dist THD Irms 2 IFund 2 1 2 Irms Flicker Pst Plt ation Integrator Energy Accuracy 50Hz Wh VAh Varh Basic accuracy of integrated quantity 1s measurement time Harmonic Frequency range of fundamental 5Hz 60kHz Analysi...

Page 6: ...ng time Flicker Plt NOTE RMS rectified mean mean maximum minimum and peak to peak value apply to current and voltage Energies apply to real apparent and reactive power Charge applies to rectified mean current only Total harmonic distortion applies to current and voltage Flicker applies to voltage only Burst duration B_dur 4 GETTING STARTED This section explains how to prepare the Spectral Multimet...

Page 7: ...ts start up configuration with all values set to zero for about 2 seconds while the instrument performs an internal self test After this self test the instrument assumes its initial setting The initial setting is determined by the instrument setting recall number 00 to 20 It is factory set to recall number 00 which assumes the following state The first line of the display number field shows the RM...

Page 8: ... select the correct input on the Spectral Multimeter front panel IN 5A or IN 30A 4 7 TAKING SOME BASIC MEASUREMENTS WARNING Read the Spectral Multimeter safety before operating this instrument The following procedures describe the basics of taking common measurements operating the Spectral Multimeter from the front panel These procedures are provided for the user who needs to get started quickly W...

Page 9: ... current input Now the current ranges are 15mA 50mA 150mA 500mA 1 5A 5A and 15A and the current display is scaled correctly Similarly you select the 30A input with ranges 1A 3A 10A 30A and 100A Finally selecting the current shunt input will set the input ranges to 60mV 60mV 10 600mV 600mV 10 and 6V with a sensitivity of 1A 60mV Using the scaling capabilities of the Spectral Multimeter will give yo...

Page 10: ... function is combined with the energy reset Therefore you should display an energy value in a number field To RESET FLICKER and energy move the cursor to the energy value and press the RESET key to set PST and PLT to zero 5 6 SELECTING THE MEASUREMENT TIME The measurement time sets the minimum time for signal averaging as well as the time for display update It can be varied from 100ms 250ms 500ms ...

Page 11: ... the cursor to the current range annunciator and press the menu control key M2 To select voltage autoranging move the cursor to the voltage range annunciator and press the menu control key M2 5 9 3 SELECTING THE SIZE OF THE GRAPHIC AREA The number field and the graphic area of the Spectral Multimeter can be increased or decreased using the menu SPLIT M4 Press the menu control key M4 to enter the m...

Page 12: ...ress the SET key again By this time you are back in the number field The menu at the bottom of the display shows HOLD ACT APP REA RESET and gives you the choice of active apparent and reactive power To place active power in this number field press M2 the annunciator ACT in the annunciator field indicates the type of energy Similarly you proceed to place apparent energy in another number field that...

Page 13: ...Select the attributes of the displayed quantities such as AC or DC coupling or integration Also configure the RS 232 the IEEE 488 interface and set the scaling factors To save the complete setting under setting number 12 you proceed by selecting the SETUP menu M6 Move the cursor to Setup Save No 00 Press the SET key to advance the save number When set to 12 press ESCape M1 This will store the comp...

Page 14: ...ccordingly section 5 14 In order for the Spectral Multimeter and the host to communicate through the interface the communication parameters of the Spectral Multimeter must match those of the host 6 5 CABLING THE SPECTRAL MULTIMETER TO A HOST Turn Spectral Multimeter off When cabling is complete turn power on again The RS 232 interface on the Spectral Multimeter rear panel uses a DB 9 connector Its...

Page 15: ...tring to be sent the lower case letters are optional No space is allowed except for the selector at the end of a command where a space is mandatory RULE 1 Every command must be closed by a terminator The maximum length must not exceed 32 characters You can not pack two commands into one an error would be generated RULE 2 Read Spectral Multimeter s output only once for each query command The output...

Page 16: ...equested service Below the registers are summarized STATUS AND EVENT REGISTER DEFINITION Power ON User ReQuest not used CoMmand Error Execution Error Device Dependant Error Query Error not used ReQuest Control not used Operation complete ESR ESR Event Status Read only PON URQ CME EXE DDE QYE RQC OPC 7 6 5 4 3 2 1 0 Register Logical AND ESE ESE 0 255 Event Status ESE PON URQ CME EXE DDE QYE RQC OPC...

Page 17: ...for AC coupled RMS voltage RECT F Query or set field for rectified mean voltage MEAN F Query or set field for arithmetic DC voltage MIN F Query or set field for negative peak voltage MAX F Query or set field for positive peak voltage PEAK F Query or set field for peak to peak voltage FFT F G Set the field 0 1 9 for voltage harmonic previously selected by the FORMat START command Use the G argument...

Page 18: ...or reactive energy long time integration RESET No query form resets all energy values FREQuency F Query or set field of current or voltage signal frequency Depends on current or voltage synchronisation IMPedance MAGnitude F Set the field for harmonic impedance previously selected by the FORMat START command MAGnitude Query all harmonic impedances in the range specified by the FORMat START and FORM...

Page 19: ...and terminating characters LF CRLf HANDshakes None Query or set handshake mode Xon GPIB ADDRess 0 30 Query or set GPIB address ESE 0 255 Query or set the Event Status Enable register SRE 0 255 Query or set the Service Request Enable register STB Query the STatus Byte register IEEE 488 only ESR Query the Event Status Register IEEE 488 only RST Resets instrument OPC Set ISR bit 0 if no printing AND ...

Page 20: ...ttempts to place a new message onto the instruments output queue but there was still an old message waiting on the queue This results in information loss The query answer is replaced by 350 and ESR bit 3 is set Device Dependant Error 2200 Input signal over and underload One or more current or voltage inputs were in over or underload during the last query VOLT CURR POW EN FREQ ESR bit 4 is set Over...

Page 21: ...bolts on the Processor Assembly Connect the option output cables J37 printer output J38 RS 232 output J36 IEEE 488 J39 Analog in and analog output All these cables go from the Option Assembly over the Separator Figure 7 1 along the right hand side panel to the rear panel The clips supplied are used to hold the cables above the main supply Keep the cables 1cm away from any part of the main supply F...

Page 22: ... P L Y A S S E M B L Y LINE POW ER J20 K E Y B O A R D A S S E M B L Y J21 D I S P L A Y A S S E M B L Y F L L a m p E1118 FL Driver D C D C C O N V E R T E R A S S E M B L Y J41 J42 J43 J40 Isolated Supplies 3 pole cable soldered P11 P12 P13 PU3 PU2 PU1 to U1 to U3 to U2 to I1 to I3 to I2 Shunt blue 30A Lo 5A red blk Fold 24 pol flat ribbon cable Mount flat ribbon cable along the top edge Adhesiv...

Page 23: ... Bit 1 4 Data Bit 2 5 Data Bit 3 6 Data Bit 4 7 Data Bit 5 8 Data Bit 6 9 Data Bit 7 8 Acknowledge 9 Busy 10 Paper Empty 11 Select 12 NC 13 Error 14 NC 15 NC 18 25 Ground Any one of the eight analog inputs can be displayed in any display number field To display for example AN3 in display number field 0 top left move the cursor to this field and press SET From the selection table you select Aninp a...

Page 24: ... by connecting the 25 pol D Sub connector to the rear panel analog In out connector Voltage rms rectified mean max min ptp FFT current Power Pactiv FFT PF The current sensor outputs are connected to the 0 5A Spectral Multimeter input Scaling the current yields actual current readings All other quantities are scaled accordingly Specifications Current range 25A 1000A Accuracy 0 5 2Hz 200Hz 1 200Hz 1...

Page 25: ... CYCLE We recommend to verify calibration once a year The user must be aware that occasional overloads voltage and current will degrade accuracy In such cases calibration should be checked more frequently 8 2 EQUIPMENT NEEDED A calibrator that will supply voltages 0 3V 600V and currents 15mA 2A at 60Hz with 0 02 accuracy will suffice 8 3 PREPARING FOR CALIBRATION Remove the hood of the Spectral Mu...

Page 26: ... 3A 50mA IN30A 3A adjust I1 for 2 0000A 3 0000A IN5A 50mA adjust I2 for 50 000mA Repeat above steps at least once before proceeding to the steps below 15mA 150mA 1 5A IN5A IN5A 15mA adjust I3 for 15 000mA 150mA adjust for 150 00mA IN5A 1 5A adjust I5 for 1 5000A Spectral Multimeter Rear Panel Amplifier I6 I2 I5 I3 I4 I1 Idc I7 8 4 3 VOLTAGE CALIBRATION Select Mode U Select 20V range and apply 20V ...

Page 27: ...er nomativen Dokument en übereinstimmt to which this declaration relates is in conformity with the following standard s or other normative document s auquel se réfère cette déclaration est conforme à la aux norme s ou autre s document s normatif s EN 50081 1 EN 50082 2 CEI IEC 1010 1 Amendment 1 2 __________________________________________________________________________________ Titel und oder Num...

Page 28: ......

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