ZES ZIMMER LMG450 User Manual Download Page 293

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Z E S ZIMMER Electronic Systems GmbH Chapter 17

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17 Interface command index

*CLS........................................................................ 131

*ESE ........................................................................ 131

*ESR? ...................................................................... 132

*IDN?....................................................................... 132

*OPC ....................................................................... 132

*OPC?...................................................................... 133

*PRE........................................................................ 133

*RST........................................................................ 133

*SRE........................................................................ 134

*STB? ...................................................................... 134

*TRG ....................................................................... 134

*TST? ...................................................................... 134

*WAI ....................................................................... 135

/nquery/ .................................................................... 130

/qonly/ ...................................................................... 129

:CALCulate

:ENVironment ..................................................... 135

:FORMula

[:DEFine] ....................................................... 136

:LIMit

:CLASs........................................................... 136

:DMAX .......................................................... 137

:FCURrent...................................................... 137

:FVERsion...................................................... 137

:PFACtor ........................................................ 138

:POWer .......................................................... 138

:RSCE ............................................................ 138

:SYSTem........................................................ 138

:VERSion ....................................................... 139

:ZREF ............................................................ 139

:ZTESt............................................................ 139

:DISPlay

:CONTrast........................................................... 140

:RESet ................................................................. 140

:FETCh

[:SCALar]

:CURRent

:AC?.......................................................... 141

:CFACtor? ................................................. 141

:DC?.......................................................... 142

:FFACtor?.................................................. 142

:FSCale?.................................................... 142

:INRush? ................................................... 142

:MAXPk? .................................................. 143

:MINPk?.................................................... 143

:PHASe?.................................................... 143

:PPEak? ..................................................... 143

:RECTify? ................................................. 143

:RUSed? .................................................... 144

[:TRMS]? .................................................. 144

:CYCLe

:COUNt? ................................................... 144

:SNUMber? ............................................... 145

:TIME?...................................................... 145

:DINPut? ........................................................ 145

:ENERgy

:APPArent?................................................ 146

:CHARge? ................................................. 146

:REACtive? ............................................... 147

:TIME?...................................................... 147

[:ACTive]?................................................. 146

:FLICker

:LTRemain?............................................... 150

:PHWave?.................................................. 151

:SOURce

:APMoment?......................................... 151

:DC?..................................................... 152

:DELTat?.............................................. 152

:DMAX?............................................... 152

:DTMViolation? ................................... 152

:HWTRms?........................................... 153

:PLT? ................................................... 153

:PMOMentary? ..................................... 153

:PST?.................................................... 153

:RESult? ............................................... 154

:STATe? .................................................... 154

:STRemain?............................................... 154

[:EUTest]

:APMoment?......................................... 148

:DC?..................................................... 148

:DELTat?.............................................. 148

:DMAX?............................................... 148

:DTMViolation? ................................... 149

Summary of Contents for LMG450

Page 1: ...4 Channel LMG450 Power Meter User manual Status 2009 02 17...

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Page 3: ...il sales zes com Internet http www zes com No part of this document may be reproduced in any form or by any means without the permission in writing from ZES ZIMMER Electronic Systems GmbH Regard DIN 3...

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Page 7: ...It has left the factory in mechanically and electrically safe condition The measuring instruments tools and standards used in production adjustment and calibration are calibrated according to ISO9000...

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Page 9: ...strument free of charge I want to keep the actual implemented software version Note Calibration is only to proof the differences between the instrument and the true values Adjustment is to set up an i...

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Page 11: ...45 O6 40 3 3 4 Aron wiring 41 3 3 5 Measuring circuit for measuring efficiency of 3 3phase systems 42 3 3 6 Measuring circuit using an external current sensor 42 3 3 7 Measurement of high currents 43...

Page 12: ...oup A B tab 104 6 2 Measuring ranges Range 105 6 3 Definition of measuring values 105 6 4 Display of values 106 6 4 1 Default 107 6 4 2 Voltage 107 6 4 3 Current 107 6 4 4 Power 108 6 4 5 Long time ev...

Page 13: ...9 2 Measuring ranges Range 128 9 3 Display of values 128 9 3 1 Graphical display 128 9 4 Storage of values 128 10 Interfaces IEEE option L45 O1 129 10 1 Short syntax description 129 10 2 Commands 131...

Page 14: ...to PC programs 237 11 7 1 Data exchange via storage media 237 11 7 2 Data exchange via serial interface 238 11 7 3 Country dependent numbers 238 11 7 4 Reading data into EXCEL 238 11 8 Error messages...

Page 15: ...ystem design 265 14 1 Further connectors 265 14 1 1 External Synchronisation Sync 265 14 1 2 External Current Sensor 269 14 2 Functional block diagram LMG450 270 14 3 Functional block diagram voltage...

Page 16: ...re 21 Limit menu 58 Figure 22 Script editor 60 Figure 23 Measuring menu in normal mode 81 Figure 24 Range menu 81 Figure 25 Allocation of the different linked values 84 Figure 26 Default display with...

Page 17: ...tional block diagram LMG450 270 Figure 48 Functional block diagram voltage channels 271 Figure 49 Functional block diagram current channels 272 Figure 50 Functional block diagram computing unit 273 Fi...

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Page 19: ...external earth connector on the back of the instrument must not be used to earth other electrical equipment It is only intended to provide additional earthing of the instrument in case an error occurs...

Page 20: ...int When in use the unit must be securely earthed continuity of the mains earth connection should be checked Make sure that attention is paid to the following points Warning The green yellow safety ja...

Page 21: ...n The jack for the Sensor Input is not isolated against earth So it is not allowed to measure currents without an isolating sensor e g current clamps Shunt should not be used Attention Use only cables...

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Page 23: ...the LMG450 instrument suitable for almost all professional measurement applications such as converter fed alternating current machines and power and energy electronic applications Various wire and pha...

Page 24: ...ons with hard wired functions in the following characterised by italic style or by using softkeys bold style which will perform tasks that depend on a particular menu choice This approach makes it pos...

Page 25: ...ic components You get many values like phase angles and the power at each frequency Transient mode In this mode the LMG450 works as a transient recorder You can define special events when the storage...

Page 26: ...softkeys or you can cancel the action be pressing ESC List softkey After pressing this softkey you get a selection list You can choose one element of the list with the rotary knob and then you can co...

Page 27: ...e g in seconds without a hyphen or by values for hours minutes and seconds separated by a colon pressing the button Misc Confirm your choice by pressing the rotary knob or ENTER or you can cancel the...

Page 28: ...roup B at the second system Examples for this could be three phase converter from 50Hz to 60Hz Both groups are measured in 2 wattmeter method There are two possible applications You measure a 3phase 3...

Page 29: ...ing circuit see 3 3 1 Measuring circuit for typical line applications using the internal current path Wiring 3 1 Channels Display channel Group Meaning Header 1 A The values measured with the first me...

Page 30: ...set to on 1 A The values measured with the first measuring channel Chn1 U12 I1 A 1 2 A The values measured with the second measuring channel Chn2 U32 I3 A 2 3 B The values measured with the third meas...

Page 31: ...each load refer the following figure Figure 2 Allocations of the different linked values Important note You can only perform a star to delta conversion if this is physically possible For the calculat...

Page 32: ...alculated from display channel 1 to 3 U12 I12 Link123 U12 I12 A 5 6 A The values in delta circuit calculated from display channel 1 to 3 U23 I23 Link123 U23 I23 A 6 7 A The values in delta circuit cal...

Page 33: ...nnel U23 I2 Chn2 U23 I2 A 2 3 A The values measured with the third measuring channel U31 I3 Chn3 U31 I3 A 3 4 B The values measured with the fourth measuring channel Chn4 B 4 5 A The values in star ci...

Page 34: ...in delta circuit calculated from display channel 3 to 4 U12 I12 Link34 U12 I12 B 10 11 B The values in delta circuit calculated from display channel 3 to 4 U23 I23 Link34 U23 I23 B 11 12 B The values...

Page 35: ...calculated from display channel 1 to 2 U3 I3 Link12 U3 I3 A 9 10 B The values in star circuit calculated from display channel 3 to 4 U1 I1 Link34 U1 I1 B 10 11 B The values in star circuit calculated...

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Page 37: ...ust never be operated in excessively dusty or moist spaces To ascertain sufficient air circulation the instrument should be operated in a horizontal position or tilted only to the degree possible by o...

Page 38: ...n this circuit we measure with the first three channels the voltage current and power of the three phase system With the fourth channel we measure additionally the current in the neutral wire and the...

Page 39: ...he one phase power of the system The frequencies of group A and B can be different You can use this circuit also in the other direction when you have a one phase source and a 3 phase load e g solar pa...

Page 40: ...e measured voltages U12 U23 and U31 belong not to the currents I1 I2 and I3 The power values are a mix from star and delta values But with the star to delta conversion you can either transform the vol...

Page 41: ...out a neutral conductor This circuit should be measured with wiring 2 2 Channels Here current and voltage are measured with transformers to enlarge the ranges e g for measuring in middle or high volta...

Page 42: ...A and B can be different This is a double aron circuit This circuit should be measured with wiring 2 2 Channels If you have the option L45 O6 star to delta conversion implemented you can also use the...

Page 43: ...itional 9 pin SUB D connector for an external supply for example PSU S6 This has also to be connected In this monophase application you could use every wiring 3 3 7 Measurement of high currents L O A...

Page 44: ...ircuit for measuring in middle and high voltage systems This is the measuring circuit for measuring in middle and high voltage systems You can see that there is no PE conductor For very high currents...

Page 45: ...uit for measuring in middle and high voltage sytems without N Using artificial midpoint This is the measuring circuit for measuring in middle and high voltage systems without the neutral N You can see...

Page 46: ...igh voltage sytems without N Using star to delta conversion This is the measuring circuit for measuring in middle and high voltage systems without the neutral N You can see that there is no PE conduct...

Page 47: ...nt measurements Stop This key is used to stop time dependent measurements Save Recall The actual menu is stored to the memory card Print Log The actual menu is send to the printer output or logger Fre...

Page 48: ...ction of this keys is to enter the digits from 0 to 3 and and when in a number entering mode 6 ESC key This key is used cancel an entering mode and to quit an error message 7 Rotary knob This knob is...

Page 49: ...th same sockets like first channel 9 Mains Fused chassis plug with holder for fuses Mains voltage 85 264V 47 440Hz about 45W 2 fuses T1A 250V 5x20mm IEC127 2 3 10 PE Connector for additional earthing...

Page 50: ...Status line In this line you can see the most important status information of the instrument This line is always visible In the main display the different menues are displayed This can be measuring v...

Page 51: ...n t change until Active is chosen again key Freeze The remote indicator Rem indicates that the instrument is remote controlled by a PC Some setting can now only be done by the PC but not at the front...

Page 52: ...he measured triangle voltage But the power measuring channel sees both signals at the same time and calculates a power for them the phantom power Z Adj allows you to adjust the zero point of the instr...

Page 53: ...l times IF IO to reach the IF IO menu By pressing IF you can set up the remote device You have several available profiles from which you can select one with Dev These profiles are predefined but they...

Page 54: ...he software exists Most parameters are fixed EOS lf Echo off Protocol RTS CTS and you can just modify the baudrate Default value is 38400 baud ComA Custom If you want to implement the LMG into your ow...

Page 55: ...o the remote state 4 4 2 2 Processing signal interface option L45 O3 With IO you reach the set up menus for the processing signal interface With the rotary knob you can select four tabs A_In A_Out D_I...

Page 56: ...be output See chapter 4 5 Entering identifiers for details Zero Here you set up which value of Value will result an output of 0V FS Here you set up which value of Value will result an output of 10V Fi...

Page 57: ...ction To change the scaling press the rotary knob and Scl A or Scl B for the card B Figure 20 Digital inputs Pressing the rotary knob returns you to the tab selection 4 4 2 2 4 Digital Outputs tab If...

Page 58: ...ce state is recognized as no alarm deactive 4 4 2 3 Options key If you press on the softkey with the key symbol you get an actual software key which represents all installed options in your instrument...

Page 59: ...ith Load you can recall a previously saved menu from memory card or floppy if installed You have to select a filename from the list 4 4 3 2 Vars tab In the Vars tab you see all variables By default th...

Page 60: ...efined font for the display With Copy menu you create a copy of the complete tab which can then be modified With Del menu you can remove the complete tab In a pop up menu you have to confirm this a se...

Page 61: ...will NOT end the comment The instruction v0 Utrms Itrms is identical to v0 Utrms Itrms or v0 Utrms Itrms deletes the character left of the cursor If the cursor is at the first position of a line it j...

Page 62: ...e else part is optional Condition instructions can be nested for example to realise a logical AND if expression1 if expression2 Instruction 1 Instruction n fi fi Example if Utrms 227 5 dout_off 1 dout...

Page 63: ...ew identifier is 10 characters In Example 2 the identifier Uhigh replaces the identifier var0 and Ulow replaces var1 As you can see the identifiers are replaced in the order of the occurrence If you p...

Page 64: ...radiant asin x arcus sine of x result in radiant bell generates a short sound with the internal speaker btst x bit_no Returns true if in variable x bit number bit_no is set The bits are counted from...

Page 65: ...le_u chn x Scale the voltage input chn is the number of the channel x the scaling factor sin x sine of x argument in radiant sqrt x The square root of x start Same like pressing Start stop Same like p...

Page 66: ...xample 5 Switching digital outputs depending on harmonics Only the first is important the other don t care 4 4 4 2 10 Example 1 Freeze at limit violation If the 23rd harmonic of voltage of channel 1 i...

Page 67: ...You want to measure the total distortion factor including noise THD N of the voltage of channel 2 THDN sqrt Utrms 2 2 Uh 2 1 2 Uh 2 1 2 Please note that this will only work in the harmonic mode becaus...

Page 68: ...4 4 Speed and torque calculation option MotorTorque SOFT This option provides two functions which calculate the values speed and torque from motor current and voltage The motor must be a three phase a...

Page 69: ...inal line line voltage of the motor in V In Nominal current in A pfn Nominal power factor pz Number of poles twice the number of pole pairs Rk Stator line line copper resistance in mk No load torque c...

Page 70: ...ke range settings scripts and measuring settings are restored The actual settings are lost In the field Active configuration mod you see now the name of the selected configuration If mod is displayed...

Page 71: ...Misc IF IO f f f f q Aver Env abs Ain Iac Iac OvrU P EP DisCyc var0 11 acos DigFrq Icf Icf Uac PF EQ Cycle asin Zero Idc Idc Ucf PHI Et Mtime bell Idcn Idcn Udc Q ES Rcyc cos Idcp Idcp Udcn Rser tsec...

Page 72: ...DigFrq Imav Imav Uthd Pav asin Zero Iav Iav UL PFm bell Ifm Ifm UMax Qh cos Ithd Ithd UP Sh digin IL IL OvrU P dout_on Im Im Utrms PF dout_off IP IP RngU Q freeze Ipohl Ipohl Rser isrun Ph Ipohc S iss...

Page 73: ...er asin Zero dmaxl dmaxs dmaxl PF Pltl bell Pltl Plts Pltl Q Pmoml cos Pmoml Pms Pmoml Rser Pstl digin Pml Pmoms Pml S Upkph dout_on Phw Uhws Phw Xser dout_off Uhwl Psts Uhwl Z freeze Pstl Ithd Pstl i...

Page 74: ...54e 12 0 Xser Z Select one value with the rotary knob and press Enter or the rotary knob to copy the list item into the edit line If you have a multi channel value e g analogue inputs you have to ente...

Page 75: ...can insert a linefeed if you have a multi line input box Especially in conjunction with the script editor you can reach a list of useful functions and operators by pressing Misc Finally close you inpu...

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Page 77: ...ed values The cycle time has always to be bigger or same like the fundamental or basic period time of the signal Aver Here you can setup how many measuring cycles are averaged for the display For exam...

Page 78: ...Hz Low Pass Filter Only the signal components below 80Hz are used LP 300Hz Low Pass Filter Only the signal components below 300Hz are used This is very useful when measuring frequency converters with...

Page 79: ...evel of 100V and a Hyst of 5V If your signal comes from a value smaller than 95V it has to climb up to 105V to get a positive crossing If it comes from a value greater than 105V it has to fall below 9...

Page 80: ...Hz Additionally to the HF rejection filter a digital Low Pass Filter with a cut off frequency of about 2 8kHz is used 6kHz Additionally to the HF rejection filter a digital Low Pass Filter with a cut...

Page 81: ...up A and B are identical so they are just described once A M With A M the automatic or manual range setting is selected This is only possible in the normal measuring mode In all other modes the manual...

Page 82: ...e connected you get automatically a new list of current ranges depending on the connected sensor Use allows you to activate or deactivate an external sensor You have to select the sensor with the rota...

Page 83: ...neous value if the current used for calculation T The time of an integer number of the periods of the synchronisation signal The integer factor depends on the chosen measuring cycle time This time can...

Page 84: ...in the column Measuring channel numbers define the internal calculation of the DSPs the numbers are the numbers of the measuring channels The column Circuit number defines the physical values of your...

Page 85: ...2 Measuring circuit for measuring efficiency of 3 1phase systems Wiring 3 1 U I U I Measuring channel numbers Circuit numbers Display channel u t i t U I 1 u1 t i1 t U12 I1 2 u2 t i2 t U23 I2 3 u3 t i...

Page 86: ...5 O6 Wiring 2 2 U I U I Measuring channel numbers Circuit numbers Display channel u t i t U I 1 u1 t i1 t U13 I1 2 u2 t i2 t U23 I2 3 u3 t i3 t U13 I1 4 u4 t i4 t U23 I2 5 u1 t u2 t i1 t i2 t U12 I3 6...

Page 87: ...t i4 t U2 I2 12 3 t u t u 2 3 4 i4 t U3 I3 For circuit see 3 3 5 Measuring circuit for measuring efficiency of 3 3phase systems For further information about the tables see also chapter 2 5 Linked val...

Page 88: ...This decision is only done under following conditions 0 999 105 12 105 12 1 and Uff and Iff and f kHz This means that voltage and current are nearly sinusoidal In all other cases there is neither i no...

Page 89: ...g cycle number n N Is the number of measuring cycles for the integration This number depends on the real measuring times and on the desired integration time Energy active energy EP P T n n n N 0 react...

Page 90: ...4 The group concept and 2 5 Linked values for details Following values are calculated for the total values display channels all other values are invalid collective sum voltage U U s n f l TRMS nTRMS 2...

Page 91: ...u can select the total values of the group over several channels Displ Here you can setup if you want to see few values in a big font or more values in a smaller font This softkey may be inactive if y...

Page 92: ...ch is calculated from values of channel 1 and 2 The displayed values represent U12 and I3 of your circuit It belongs to group B and has the display channel number 6 Example Sum 1 2 A 13 This is the su...

Page 93: ...ing please see the general description in chapter 5 4 Display of values With the Inrsh key you can reset the last measured inrush current to 0 This softkey is only available when the manual measuring...

Page 94: ...ed With the start of this measurement the values are automatically reset to 0 interval After the integration is started it measures continuously until the interval DUR is over With the start of this m...

Page 95: ...f integration e g pressing the Start button until the physical start of integration which is always the begin of the next cycle Run This is displayed while the physical integration is running Stop Thi...

Page 96: ...tkey you get a small symbol for the rotary knob in the softkey This means that from now the rotary knob is used for the moving By pressing this softkey several times you can choose if you want to chan...

Page 97: ...5 4 6 2 Plot function Figure 28 The plot display split off In this menu all measured values can be displayed over the time in one or four plots On the left side the information segment the following s...

Page 98: ...f the y axis value of the centre line Example If you select y0 200V and y div 10V the you will see a window from 180V to 220V on the screen Each setting is confirmed with Enter and rejected with Esc y...

Page 99: ...of voltage and current Fresnel diagramm In the lower left corner you see the amplitude and the phase angle of the selected signal In the upper right corner you see the rotating direction of the vector...

Page 100: ...the fundamentals When using the HARM100 measuring mode this problems will not occur 3 In Aron circuit the calculation of the power factors is in general wrong this is a disadvantage of this circuit S...

Page 101: ...sfer the sample values to a PC and you want to make evaluations in the frequency domain e g digital filtering or FFT please make sure that the sampling record rate is bigger than twice the bandwidth d...

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Page 103: ...al is judged according class A of EN61000 3 2 1995 or EN61000 3 2 2006 Class B The signal is judged according class B of EN61000 3 2 1995 or EN61000 3 2 2006 Class C 1 The signal is judged according c...

Page 104: ...measurement There are several possible values 220V 50Hz 230V 50Hz 240V 50Hz 220V 60Hz 230V 60Hz 240V 60Hz 120V 50Hz 120V 60Hz The system is required for example for checking the correct frequency of t...

Page 105: ...imits For this purpose we recommend to use a special test and evaluation software like for the SYS61K system Class C With PF and Curr you can enter the power factor and the fundamental current Class D...

Page 106: ...g a DFT algorithm The limit values Limit n are calculated according to IEC61000 3 2 Power active power cases other in dt t i t u T P EN if I U dt t i t u T P T t T t 0 0 1 2008 7 4 61000 0 0 1 reactiv...

Page 107: ...nisation source Below the softkeys you see the result of the complete voltage judgement a 9 indicates that all requirements of the standard are met A 8 indicates a fault measuring result This result i...

Page 108: ...ost important power values of the instrument For the handling please see the general description in chapter 5 4 Display of values 6 4 5 Long time evaluation In this menu you see the result of the long...

Page 109: ...n this menu we have the group concept With the rotary knob you can select different tabs Spectrum A and Spectrum B 6 4 6 1 Spectrum A B The settings in group A and B are identical so they are just des...

Page 110: ...the values If you have too much in the cup you have a problem Zoom Allows you to zoom the signals in y direction Move Allows you to move the cursor to another position Split You can have one graph in...

Page 111: ...e in this menu are printed out In the menues with harmonic values you get all harmonics not only the ones you see 6 6 Precompliance tests according EN61000 3 2 For tests according to this standard you...

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Page 113: ...s the dmax limit for the measuring This value has to be taken out of the standard depending on the measuring requirements EN Defines the standard which should be used 3 95 4 15 EN61000 3 3 1995 with E...

Page 114: ...values for dc dmax Pst and Plt are recalculated as described in EN61000 3 11 2000 7 2 Measuring ranges Range The settings are the same like in 5 2 Measuring ranges Range Please note that the standard...

Page 115: ...sing a flickermeter according to EN61000 4 15 dc and dmax are calculated according to EN61000 3 3 Power active power P T u t i t dt t T 1 0 reactive power Q S P 2 2 apparent power S Utrms Itrms power...

Page 116: ...ual flicker level Pmom the relative steady state voltage change dc the maximum relative voltage change dmax the remaining long term time the remaining short term time and the state of the flicker meas...

Page 117: ...u Here you can setup your own menus calculate formulas and execute programs See 4 4 3 Custom menu and 4 4 4 Script Formula editor 7 5 Storage of values First you have to change to the menu you want to...

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Page 119: ...known setting menu with the three tabs Globals Group A and Group B opens Globals Here you can set up the wiring in which is measured Group A B For the settings in this menu refer 5 1 2 Group A B tab...

Page 120: ...utomatically selected filter 640 1280 16 1 HF Rejection 320 640 8 1 HF Rejection 160 320 4 1 HF Rejection 80 160 2 1 18kHz 40 80 2 2 6kHz 20 40 2 4 2 8kHz 10 20 2 8 1 4kHz 5 10 2 16 700Hz 2 5 5 2 32 3...

Page 121: ...pedances apparent impedance Z Utrms Itrms active impedance Rser P Itrms 2 reactive impedance Xser Q Itrms 2 8 4 Display of values For the display of the values you can choose several menues Harmonic v...

Page 122: ...he time window is the reference With the softkey Link the harmonics of the linked values will be shown Using the rotary knob you can scroll through the list to see all harmonics 8 4 3 Current With Cur...

Page 123: ...l display and 6 4 6 1 Spectrum A B Figure 38 Graphical display of harmonics 8 4 6 Custom menu With Custom you see the custom menu Here you can setup your own menus calculate formulas and execute progr...

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Page 125: ...set this value to 5ms and check for an over limit the signal has to be over the limit for 5ms until the event is generated TRec This is the recording time The signal is recorded for this time to the...

Page 126: ...is used ChnI The current signal is used Line The line signal is used Extn The signal at the external synchronisation jack is used Coupl Selects how the voltage or current signal is coupled to the foll...

Page 127: ...bigger than 3 bit you would get an event But from several sources you have a small noise on the signal This would cause fail events To prevent this you can use the parameter overx With it you can defi...

Page 128: ...ching a transient you see the record time in the status line The bar below blinks 9 2 Measuring ranges Range The settings are the same like in 5 2 Measuring ranges Range Only manual range is possible...

Page 129: ...etween SCPI and SHORT command set see also 10 2 4 FETCh and READ commands The general syntax for both command sets is identical The most important syntax rules are A message to the instrument has to b...

Page 130: ...CPI commands for reading the TRMS value of the 1st measuring channel FETCh CURRent TRMS FETC CURR TRMS FETC CURR TRMS1 As SHORT command it would be ITRMS or ITRMS1 Please note that there is no space b...

Page 131: ...ommand has no value at all Or it is a float number with all valid codes according IEEE754 The titles of the useable commands are in a box There you find from left to right SCPI command SHORT command a...

Page 132: ...elds separated by commas Field 1 Manufacturer Field 2 Model Field 3 Serial number Field 4 Firmware level 10 2 1 5 IST IST SCPI IST qonly SHORT IST qonly ID n a Mode all Type long int Suffix n a Value...

Page 133: ...a Value n a List n a Unit n a Group n a This performs a device reset A lot of internal settings like measuring mode ranges are set to their default values In this chapters the default value is indica...

Page 134: ...s the Status Byte Register 10 2 1 12 TRG TRG SCPI TRG nquery SHORT TRG nquery ID n a Mode all Type n a Suffix n a Value n a List n a Unit n a Group n a Triggers the same action that happens when progr...

Page 135: ...d It has been implemented to follow the standard IEEE488 2 10 2 2 CALCulate commands Here you find commands which influence the script editor formulas or limits CALCulate ENVironment DISPlay FORMula F...

Page 136: ...al variable a to 1 10 2 2 3 LIMit CALCulate ENVironment DISPlay FORMula FETCh LIMit CLASs FORMat DMAX INITiate FCURrent INPut PFACtor INSTrument POWer MEMory SYSTem READ VERSion SENSe SOURce STATus SY...

Page 137: ...cker mode 10 2 2 3 3 FCURrent ISO SCPI CALCulate LIMit FCURrent NRf SHORT ISO NRf ID n a Mode prCE Type float Suffix 1 4 Value n a RST default value 1 0 List n a Unit A Group n a Sets or reads the fun...

Page 138: ...Unit W Group n a Sets or reads the power for the EN61000 3 2 2006 limit calculation in the CE mode 10 2 2 3 7 RSCE RSCE SCPI CALCulate LIMit RSCE NRf SHORT RSCE NRf ID n a Mode prCE Type float Suffix...

Page 139: ...2006 and EN61000 4 7 1993 3 EN61000 3 2 2006 and EN61000 4 7 2008 4 EN61000 3 12 2005 and EN61000 4 7 2008 10 2 2 3 10 ZREF ZREF SCPI CALCulate LIMit ZREF NRf SHORT ZREF NRf ID n a Mode Flicker Type i...

Page 140: ...Unit n a Group n a Resets the display to the default values e g small fonts 10 2 4 FETCh and READ commands These both commands are used to get measuring values from the instrument With FETCh you get t...

Page 141: ...ormed So if you want to perform the last example with SHORT commands you have to enter INIM UDC IDC 10 2 4 1 SCALar 10 2 4 1 1 CURRent CALCulate DISPlay FETCh SCALar CURRent AC FORMat CYCLe CFACtor IN...

Page 142: ...URRent FFACtor qonly SHORT IFF qonly ID Iff Mode Normal Type float Suffix 1 12 Value n a List n a Unit n a Group n a Reads the form factor of the current 10 2 4 1 1 5 FSCale FSI SCPI FETCh SCALar CURR...

Page 143: ...roup n a Reads the smallest sample value of the current 10 2 4 1 1 9 PHASe IPHI Iphi SCPI FETCh SCALar CURRent PHASe qonly READ SCALar CURRent MINPk qonly SHORT IPHI qonly ID n a Mode Normal Type floa...

Page 144: ...1 13 TRMS ITRMS Itrms SCPI FETCh SCALar CURRent TRMS qonly READ SCALar CURRent TRMS qonly SHORT ITRMS qonly ID Itrms Mode All Type float Suffix 1 14 Value n a List n a Unit A Group n a Reads the TRMS...

Page 145: ...runs up to 231 1 and starts then again at 0 See also 10 2 10 14 5 SCTRigger SCTT 10 2 4 1 2 3 TIME CYCR Mtime SCPI FETCh SCALar CYCLe TIME qonly READ SCALar CYCLe TIME qonly SHORT CYCR qonly ID Mtime...

Page 146: ...SCALar ENERgy ACTive qonly SHORT EP qonly ID EP Mode Normal Type float Suffix 1 14 Value n a List n a Unit Wh Group n a Reads the active energy integrated active power 10 2 4 1 4 2 APParent ES ES SCPI...

Page 147: ...ong int Suffix 1 14 Value 0 2 31 1 List n a Unit ms Group n a Reads the time of the running integration 10 2 4 1 5 FLICker 10 2 4 1 5 1 EUTest Selects the equipment under test measuring results They a...

Page 148: ...ds the dc value of the equipment under test 10 2 4 1 5 1 3 DELTat FLDT dtl SCPI FETCh SCALar FLICker EUTest DELTat qonly list READ SCALar FLICker EUTest DELTat qonly list SHORT FLDT qonly list ID dtl...

Page 149: ...list SHORT FLRM qonly list ID Uhwl Mode Flicker Type float Suffix 1 4 Value n a List 0 31 Unit V Group n a Reads the half wave TRMS values of the equipment under test After each measuring cycle over...

Page 150: ...x 1 4 Value n a List n a Unit n a Group n a Reads the result of the flicker measuring at the equipment under test Bit 0 Set if the total evaluation of the flicker fails if any of the sub evaluation fa...

Page 151: ...current input jacks CALCulate DISPlay FETCh SCALar CURRent FORMat CYCLe INITiate DINPut INPut ENERgy INSTrument FLICker EUTest MEMory FREQuency LTRemain READ HARMonics PHWave SENSe POWer SOURce APMome...

Page 152: ...alues 10 2 4 1 5 4 4 DMAX FSDX dmaxs SCPI FETCh SCALar FLICker SOURce DMAX qonly READ SCALar FLICker SOURce DMAX qonly SHORT FSDX qonly ID dmaxs Mode Flicker Type float Suffix 1 4 Value in List n a Un...

Page 153: ...Type float Suffix n a Value n a List n a Unit n a Group n a Reads the Plt value of the source 10 2 4 1 5 4 8 PMOMentary FSMS Pms SCPI FETCh SCALar FLICker SOURce PMOMentary qonly list READ SCALar FLI...

Page 154: ...he measuring interval cleared otherwise Bit 3 Set if dmax was bigger than limit cleared otherwise Bit 4 Set if d t was 3 for more than allowed time cleared otherwise Bit 5 Set if dc was 3 cleared othe...

Page 155: ...q Mode All Type float Suffix 1 2 Value n a List n a Unit Hz Group n a Reads the value of frequency input of the processing signal interface 10 2 4 1 6 2 SAMPle SMPL SCPI FETCh SCALar FREQuency SAMPle...

Page 156: ...a Mode prCE Type float Suffix 1 4 Value n a List n a Unit n a Group n a Reads the maximum smoothed power factor of the harmonic measuring 10 2 4 1 7 2 AMPower HPM SCPI FETCh SCALar HARMonics AMPower...

Page 157: ...red otherwise Bit 2 Set if the current was for 95 of time under the negative special envelop cleared otherwise Bit 3 Set if P 600W cleared otherwise Bit 4 Set if the total class C evaluation failed if...

Page 158: ...HARMonics CURRent AAMPlitude qonly list SHORT HIAV qonly list ID Iaver Mode prCE Type float Suffix 1 4 Value n a List 0 40 for harmonic order Unit A Group n a Reads the average amplitude of the harmon...

Page 159: ...qonly list ID n a Mode prCE Type long int Suffix 1 4 Value 0 2 41 1 List 0 1 for array element Unit n a Group n a Reads the long time result of the fluctuating harmonics of the current This is an arra...

Page 160: ...of defined fundamental current Cleared otherwise Bit 10 Set if any harmonic is 150 of limits Cleared otherwise Bit 11 Set if the THD condition of EN61000 3 12 failed Cleared otherwise 10 2 4 1 7 6 7 I...

Page 161: ...the current This is an array of 4 long numbers so that you get two 64 bit results if you read out the elements 0 1 or 2 3 For array element 2 3 each bit from 0 to 40 indicates if the corresponding ha...

Page 162: ...qonly READ SCALar HARMonics CURRent SAVerage qonly SHORT HIAS qonly ID n a Mode prCE Type float Suffix 1 4 Value n a List n a Unit A Group n a Reads the smoothed averaged TRMS current 10 2 4 1 7 6 15...

Page 163: ...c HTHC Ithc SCPI FETCh SCALar HARMonics CURRent THARmonic qonly READ SCALar HARMonics CURRent THARmonic qonly SHORT HTHC qonly ID Ithc Mode prCE Type float Suffix 1 4 Value n a List n a Unit A Group n...

Page 164: ...RT HPAM qonly list ID Ph Mode HARM100 Type float Suffix 1 12 Value n a List 0 99 for order Unit W Group n a Reads the harmonics of the active power 10 2 4 1 7 8 2 APParent HSAM Sh SCPI FETCh SCALar HA...

Page 165: ...Uh SCPI FETCh SCALar HARMonics VOLTage AMPLitude qonly list READ SCALar HARMonics VOLTage AMPLitude qonly list SHORT HUAM qonly list ID Uh Mode prCE HARM100 Type float Suffix 1 4 prCE 1 12 HARM100 Val...

Page 166: ...alf wave number Unit n a Group n a Reads the voltage crest factor of the half waves After each measuring cycle over 16 periods you can get 32 values 10 2 4 1 7 9 4 IAMPlitude HUZA SCPI FETCh SCALar HA...

Page 167: ...MX UMax SCPI FETCh SCALar HARMonics VOLTage MAMPlitude qonly list READ SCALar HARMonics VOLTage MAMPlitude qonly list SHORT HUMX qonly list ID UMax Mode prCE Type float Suffix 1 4 Value n a List 0 40...

Page 168: ...I FETCh SCALar HARMonics VOLTage OLIMit qonly list READ SCALar HARMonics VOLTage OLIMit qonly list SHORT HUOV qonly list ID n a Mode prCE Type long int Suffix 1 4 Value 0 2 41 1 List 0 3 for array ele...

Page 169: ...ong int Suffix 1 4 Value 0 2 5 1 List n a Unit n a Group n a Reads the actual result of the voltage check Bit 0 Set if the total voltage evaluation failed if any of the sub evaluation failed Cleared o...

Page 170: ...SCALar POWer AACTive qonly READ SCALar POWer AACTive qonly SHORT PM qonly ID Pm Mode Normal Type float Suffix 1 14 Value n a List n a Unit W Group n a Reads the average active power 10 2 4 1 8 2 AAPPa...

Page 171: ...Type float Suffix 1 14 Value n a List n a Unit var Group n a Reads the average reactive power 10 2 4 1 8 6 FSCale FSP SCPI FETCh SCALar POWer FSCale qonly READ SCALar POWer FSCale qonly SHORT FSP qonl...

Page 172: ...PHI qonly ID PHI Mode Normal Type float Suffix 1 12 Value n a List n a Unit Group n a Reads the phase angle in degree between current and voltage 10 2 4 1 8 10 REACtive Q Q SCPI FETCh SCALar POWer REA...

Page 173: ...ly SHORT Z qonly ID Z Mode Normal prCE Flicker Type float Suffix 1 12 Value n a List n a Unit Group n a Reads the impedance apparent resistance 10 2 4 1 9 3 RSIMpedance XSER Xser SCPI FETCh SCALar RES...

Page 174: ...n array 10 2 4 1 12 VNAMe NVAR SCPI FETCh SCALar VNAMe qonly string program data READ SCALar VNAMe qonly string program data SHORT NVAR qonly string program data ID Mode All Type float Suffix n a Valu...

Page 175: ...y ID Ain Mode All Type float Suffix 1 8 Value n a List n a Unit V Group n a Reads the voltage of the analogue input of the processing signal interface 10 2 4 1 13 3 CFACtor UCF Ucf SCPI FETCh SCALar V...

Page 176: ...a Mode All Type float Suffix 1 12 Value n a List n a Unit V Group n a Reads the full scale value of the voltage 10 2 4 1 13 7 MAXPk UMAX Upkp SCPI FETCh SCALar VOLTage MAXPk qonly READ SCALar VOLTage...

Page 177: ...l Type float Suffix 1 12 Value n a List n a Unit V Group n a Reads the peak peak value of the voltage 10 2 4 1 13 11 RECTify UREC Urect SCPI FETCh SCALar VOLTage RECTify qonly READ SCALar VOLTage RECT...

Page 178: ...ue 1 or PACKED for a packed output In the packed output format the data are transmitted as defined length arbitrary block response data If the available buffer memory size is too small for the amount...

Page 179: ...ith TRIGger ACTion or ACTN The programmer should only use FETCh commands because when CONT is switched to ON automatically an INITiate IMMediate is executed at the end of each cycle Parameter ON or 1...

Page 180: ...from another copy of the values This copy is updated whenever the INITiate IMMediate or INIM command is executed By this it is sure that all values read with sequential FETCh commands are from one me...

Page 181: ...ect MODE SCPI INSTrument SELect NRi SHORT MODE NRi ID n a Mode All Type long int Suffix n a Value 0 4 List n a Unit n a Group n a Sets or reads the measuring mode 0 or NORML for normal measuring mode...

Page 182: ...has too much memory so it can t be copied each cycle into a separate buffer For this reason you should set FRZ to ON when you want to readout the sample values of the scope Parameter ON or 1 activate...

Page 183: ...ue 10 List n a Unit n a Group n a Sets or queries the setting of the full scale of the analogue inputs 10 2 10 1 2 ZERO AILO SCPI SENSe AINPut ZERO NRf SHORT AILO NRf ID n a Mode All Type float Suffix...

Page 184: ...SWEep TRANsient VOLTage WAVeform WIRing ZPReject 10 2 10 3 1 COUNt AVER Aver SCPI SENSe AVERage COUNt NRf SHORT AVER NRf ID Aver Mode Normal Type float Suffix n a Value 1 999 RST default value 1 List...

Page 185: ...rnal shunt current input RST default value 1 or EXT for external shunt input voltage input 10 2 10 4 2 IDENtify IDNI SCPI SENSe CURRent IDENtify qonly SHORT IDNI qonly ID n a Mode All Type string Suff...

Page 186: ...qonly ID n a Mode All Type float Suffix 1 4 Value n a List n a Unit A Group n a Reads a list with the available ranges You get several numbers which are separated by colons The first number defines t...

Page 187: ...al NRi 0 A 1 B Reads and sets the anti aliasing filter settings 0 Anti aliasing filter manual setable via FILT 1 Anti aliasing filter selection automaticaly RST default value 10 2 10 5 2 LPASs CALCula...

Page 188: ...pass 2 8kHz on 8 Low pass 1 4kHz on 9 Low pass 700Hz on 10 Low pass 350Hz on 11 Low pass 175Hz on 12 Low pass 87 5Hz on 13 Low pass 30Hz on 10 2 10 6 FINPut CALCulate DISPlay FETCh FORMat INITiate IN...

Page 189: ...er PERiods HARMonics STIMe INTegral SWEep TRANsient VOLTage WAVeform WIRing ZPReject 10 2 10 7 1 PERiods FLPS FlkPer SCPI SENSe FLICker PERiods NRf SHORT FLPS NRf ID FlkPer Mode Flicker Type float Suf...

Page 190: ...IV NRf NRi SHORT FDIV NRf NRi ID n a Mode HARM100 Type float Suffix n a Value 1 50 RST default value 1 List n a Unit n a Group optional NRi 0 A 1 B Reads and sets the frequency divider ratio 10 2 10 8...

Page 191: ...urce as reference 10 2 10 8 4 SMOoth SMOO SCPI SENSe HARMonics SMOoth NRi SHORT SMOO NRi ID n a Mode prCE Type long int Suffix n a Value 0 1 List n a Unit n a Group n a Reads and sets the state of the...

Page 192: ...e for an energy measurement Example INTD 2003 02 09 sets the date to the 9th February 2003 10 2 10 9 2 INTerval INTI SCPI SENSe INTegral INTerval NRi SHORT INTI NRi ID n a Mode Normal Type long int Su...

Page 193: ...f NRf NRf SHORT INTT NRf NRf NRf ID n a Mode Normal Type n a Suffix n a Value n a List n a Unit n a Group n a Reads and sets the start time for an energy measurement Example INTT 19 26 49 sets the tim...

Page 194: ...ycle SCPI SENSe SWEep TIME NRf SHORT CYCL NRf ID Cycle Mode Normal Type float Suffix n a Value 0 0 05 60 RST default value 0 5 List n a Unit s Group n a Reads and sets the cycle time 10 2 10 12 TRANsi...

Page 195: ...ition is checked if bit is set Bit 3 Limit1 condition is checked if bit is set Bit 4 Limit1 condition is checked if bit is set Bit 5 Limit2 condition is checked if bit is set Bit 6 Limit2 condition is...

Page 196: ...ype float Suffix n a Value 2 10 5 10 RST default value 2 10 5 List n a Unit s Group optional NRi 0 A 1 B Reads and sets the duration of the event 10 2 10 12 6 OCRegister TOCR SCPI SENSe TRANsient OCRe...

Page 197: ...ist n a Unit s Group n a Reads and sets the record time 10 2 10 12 9 SIGNal TSRC SCPI SENSe TRANsient SIGNal NRi NRi SHORT TSRC NRi NRi ID n a Mode Transient Type long int Suffix n a Value 1 3 5 7 RST...

Page 198: ...a Mode Transient Type float Suffix n a Value 1 15 RST default value 1 List n a Unit n a Group optional NRi 0 A 1 B Reads and sets the slew rate over x value 10 2 10 13 VOLTage 10 2 10 13 1 IDENtify ID...

Page 199: ...r AUTO for automatic range selection RST default value 10 2 10 13 2 2 LINTern UILS SCPI SENSe VOLTage RANGe LINTern qonly SHORT UILS qonly ID n a Mode All Type float Suffix 1 4 Value n a List n a Unit...

Page 200: ...INSTrument MEMory READ SENSe AINPut SOURce ARON STATus AVERage SYSTem CURRent TRIGger FILTer FINPut FLICker HARMonics INTegral SWEep TRANsient VOLTage WAVeform CYCLes WIRing IUPDate ZPReject SATRigger...

Page 201: ...up optional NRi 0 A 1 B Reads how many sample values are available after the trigger event See also SENS WAV IUPD for further information 10 2 10 14 4 SBTRigger SBTR SCPI SENSe WAVeform SBTRigger qonl...

Page 202: ...SSAMples NRi SHORT SSAM NRi ID n a Mode All Type long int Suffix n a Value see below List n a Unit n a Group n a Reads and sets which sample values are stored in the memory See also SENS WAV IUPD for...

Page 203: ...tar to delta conversion 0 Wiring 4 0 1 Wiring 3 1 RST default value 2 Wiring 2 2 3 Wiring 3 1 U I U I 4 Wiring 3 1 U I U I 5 Wiring 3 1 U I U I 6 Wiring 2 2 U I U I 7 Wiring 2 2 U I U I 10 2 10 16 ZPR...

Page 204: ...e long int Suffix 1 8 Value 0 3 List n a Unit n a Group n a Sets or queries the condition of the digital outputs Possible parameters are 0 off RST default value 1 on 2 3 10 2 11 1 2 LIMit DOLI SCPI SO...

Page 205: ...URce DIGital STATus VOLTage SCALe FSCale SYSTem VALue ZERO TRIGger 10 2 11 2 1 1 FSCale AOHI SCPI SOURce VOLTage SCALe FSCale NRf SHORT AOHI NRf ID n a Mode All Type float Suffix 1 8 Value n a RST def...

Page 206: ...ulate DISPlay FETCh FORMat INITiate INPut INSTrument MEMory READ SENSe SOURce STATus OPERation CONDition SYSTem PRESet ENABle TRIGger QUEStionable EVENt NTRansition PTRansition 10 2 12 1 1 CONDition S...

Page 207: ...sets the Operation Status Negative Transition Register 10 2 12 1 5 PTRansition SOPT SCPI STATus OPERation PTRansition NRi SHORT SOPT NRi ID n a Mode All Type long int Suffix n a Value 0 65535 List n a...

Page 208: ...n a Value 0 65535 List n a Unit n a Group n a Reads the Questionable Status Condition Register 10 2 12 3 2 ENABle SQEN SCPI STATus QUEStionable ENABle NRi SHORT SQEN NRi ID n a Mode All Type long int...

Page 209: ...SQPT SCPI STATus QUEStionable PTRansition NRi SHORT SQPT NRi ID n a Mode All Type long int Suffix n a Value 0 65535 List n a Unit n a Group n a Reads and sets the Questionable Status Positive Transiti...

Page 210: ...ger ACTion not allowed 6 Action Buffer Overrun Too many commands after the TRIGger ACTion command 5 Command header error or maybe wrong path before Not existing or misspelled command or wrong SCPI pat...

Page 211: ...ou want to change to the not existing measuring mode 27 other Illegal error please inform your supplier An error in the internal error handling Please contact ZES CALCulate DISPlay FETCh FORMat INITia...

Page 212: ...ue n a List n a Unit n a Group n a Reads the oldest entry from the error event queue including error code and error description separated by colons 10 2 13 4 HELP CALCulate DISPlay FETCh FORMat INITia...

Page 213: ...HORT headers This list is a defined length arbitrary block response data Because this command has a very special output format it should only be used stand alone If the optional NRi is 0 then the outp...

Page 214: ...T LANG nquery NRi ID n a Mode All Type long int Suffix n a Value 0 1 List n a Unit n a Group n a Changes the command set to be used Parameter can be 0 or SCPI to go to the SCPI command set 1 or SHORT...

Page 215: ...y disk drive Bit 6 Processing signal interface 1 Bit 7 Processing signal interface 2 Bit 8 Flicker Bit 9 Harm100 Bit 10 Transients Bit 11 Extended memory Bit 16 Linked values 10 2 13 8 PHEader PHDR SC...

Page 216: ...Trument MEMory READ SENSe SOURce STATus SYSTem TRIGger ACTion ICURrent INTerval SEQuence 10 2 14 1 ACTion ACTN SCPI TRIGger ACTion nquery SHORT ACTN nquery ID n a Mode All Type n a Suffix n a Value n...

Page 217: ...uring of the inrush current The value for the inrush current is reset to 0 See also 10 2 4 1 1 6 10 2 14 3 INTerval CALCulate DISPlay FETCh FORMat INITiate INPut INSTrument MEMory READ SENSe SOURce ST...

Page 218: ...ime dependent measuring e g energy flicker 10 2 14 4 SEQuence CALCulate DISPlay FETCh FORMat INITiate INPut INSTrument MEMory READ SENSe SOURce STATus SYSTem TRIGger ACTion ICURrent INTerval SEQuence...

Page 219: ...ICURrent INTerval SEQuence COUPle EXTend FILTer SOURce HYSTeresis LEVel SOURce 10 2 14 5 1 FILTer TRDF SCPI TRIGger SEQuence EXTend FILTer NRi NRi SHORT TRDF NRi NRi ID n a Mode Normal HARM100 Transi...

Page 220: ...nded trigger 10 2 14 5 3 LEVel TRDL SCPI TRIGger SEQuence EXTend LEVel NRf NRi SHORT TRDL NRf NRi ID n a Mode Normal HARM100 Transient Type float Suffix n a Value n a List n a Unit n a Group optional...

Page 221: ...ed trigger 10 2 15 Special commands 10 2 15 1 GTL GTL SCPI GTL nquery SHORT GTL nquery ID n a Mode All Type n a Suffix n a Value n a List n a Unit n a Group n a Sets the instrument back to the local s...

Page 222: ...ad character from interface IF a CHR 10 THEN If it is not the EOS character answer answer a add character to answer string END IF LOOP WHILE a CHR 10 Loop until EOS is reached readans answer return an...

Page 223: ...Start you terminal program and set it up to 9600Baud 8Data Bit 1Stop Bit No Parity and No Protocol Select the correct com port of your computer If you now type in IDN and press Return the status bar o...

Page 224: ...ame result 4a read volt trmsn rea d curr trmsn 220 21 0 6437 Waits until the end of the measuring cycle copies the values of channel n to the interface buffer and outputs the actual voltage Then the i...

Page 225: ...15 217 Activates this continuous output of the values defined with actn until the CONT OFF command 8c init cont off stops the continuous output 9a mem fre on freezes the scope memory 9b sens wav iupd...

Page 226: ...asuring cycle copies the values of channel n to the interface buffer and outputs the actual voltage 4c utrmsn 220 34 No values of channel n were copied to the interface buffer so you get the same resu...

Page 227: ...e interface buffer and outputs the amplitudes of the current harmonics of order 3 to 5 All are from the same measuring cycle 8c mode norml opc switch back to the normal measuring mode 9a actn utrmsn p...

Page 228: ...Together with the BMP2PC software available from our homepage you can also get screen shots via the serial interface onto your PC With the same speed you can also remote control the instrument send c...

Page 229: ...this bus a standard for complex measuring systems This port has the pinout defined in the standard IEEE488 You can use the standard cables 10 3 3 Parallel Port Whenever you want to print out data dire...

Page 230: ......

Page 231: ...utput device and its most important setting For storage media this is the file name for the printer the printer type and for the interfaces the baud rate This and other settings you can change at any...

Page 232: ...he extension is always AT Some examples for filenames are the number is generated by the LMG LOG00 DAT LOG01 DAT MYDAT05 DAT MOTOR_01 DAT MOTOR_02 DAT If you want to know which files already exist on...

Page 233: ...ct almost every printer For a graphical output you have to setup the correct printer type Due to the growing number of printers it s not possible to write a driver for each type So we implemented 5 ge...

Page 234: ...Functions 11 4 Output formats Output as displayed As default the values are output in the same position like at the display A one time output of default menu 1st channel could look like this Itrms 1...

Page 235: ...tart of logging When editing this field see 11 3 Logging profiles output devices you can use a pre defined example with Exmp You can modify and delete this example by Edit If you have finished press E...

Page 236: ...transfer rate is just about 20kbyte per second if you use a blank formatted disk If you want to store harmonic values you get about 100 harmonics for 4 channels for each measuring cycle That are 400 v...

Page 237: ...m Cruzer Such an OS must be removed before the usage The stick must not have more than one partition After calling the log dialog it can take several seconds until the structure of the memory stick is...

Page 238: ...ports cable and all settings Check also that Hyperterm is on line If not open the connection 7 Hyperterm receives correct data You can save the following data into a file via menu transfer and save te...

Page 239: ...the storage media Operation not permitted An error occurred while storing For example the storage media was removed Output device too slow stopped The chosen output device is too slow to handle the d...

Page 240: ......

Page 241: ...range 1 2A peak range 3 75A 0 25000 f 50 0000Hz P 54 625W range 300W peak range 1500W AC coupling mode for the signal From the table for the general accuracies the following errors for voltage and cu...

Page 242: ...times better The relative measuring errors are U U U measure 137 0 I I I measure 247 0 P P P measure 16 1 measure 78 0 To get the real error the inaccuracy of display 1 digit has to be taken into acc...

Page 243: ...DC 0 013V you get a total error of W mV V mW W U V mW P P DC tot 638065 0 13 5 638 0 5 For the apparent power you get S S U U S I I VA mA V V A I U U I S 83975 0 35 2 230 315 0 95 0 Please note that i...

Page 244: ...of frequency component U mV f Hz U V Error in of U Error U mV 100 4 501 0 1 4 501 300 1 500 0 1 1 500 500 0 900 0 1 0 900 700 0 636 0 1 0 636 900 0 499 0 1 0 499 1100 0 408 0 2 0 816 1300 0 346 0 2 0...

Page 245: ...ter 12 245 On the attached CD you find a tool called LMG CONTROL One feature of this tool is that it can store all measuring values and a complete configuration in a report file You can also use this...

Page 246: ...____ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________...

Page 247: ...ms ________ Itrms ________ P ________ Uac ________ Iac ________ Q ________ Udc ________ Idc ________ S ________ Upp ________ Ipp ________ PF ________ Upkp ________ Ipkp ________ f ________ Upkn ______...

Page 248: ..._____ Ipp ________ PF ________ Upkp ________ Ipkp ________ f ________ Upkn ________ Ipkn ________ Z ________ Urect ________ Irect ________ Rser ________ Ucf ________ Icf ________ Xser ________ Uff ___...

Page 249: ...Z E S ZIMMER Electronic Systems GmbH Chapter 12 249 You can directly print out this menus Please sketch also the wiring of LMG450 and equipment under test measuring signals...

Page 250: ...es the so called calibrator The reference instrument may be traceable for voltage and current but it is very rare that it is traceable for active AC power with the required accuracy Nevertheless it is...

Page 251: ...the instrument and switch to the normal measuring mode Now short circuit the voltage input U and U Short circuit means not to connect the inputs with any wire but to connect them as short as possible...

Page 252: ...homepage http www zes com or directly by ZES You need a PC and a serial cable to connect COM1 of your PC to COM A of the LMG450 It has to be a 1 1 cable without any crossings or null modem functions w...

Page 253: ...vironmental condition Indoor use altitude up to 2000m temperature 5 C to 40 C maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C Mains supply...

Page 254: ...splayed with 5 digits The position of the decimal point is set to the position which is required to display the maximum allowed TRMS value If the TRMS value of a measuring channel is lower than 1 5 of...

Page 255: ...ies in the 6V range without HF Rejection filter 50Hz 0V 5kHz 0 01V 10kHz 0 02V 20kHz 0 05V 100kHz 0 12V Common mode error measured with 100V common mode signal at different frequencies in the 6V range...

Page 256: ...will cause following errors in the adjoining current channels without HF Rejection filter 10kHz 0mA 20kHz 0 6mA 100kHz 2 0mA Connecting 100V common mode signal at different frequencies to a voltage ch...

Page 257: ...The values are in of measuring value of measuring range Frequency Hz DC 1Hz 1kHz 1kHz 5kHz 5kHz 20kHz Voltage 0 2 0 2 0 1 0 1 0 2 0 2 0 3 0 4 Current via direct input 0 4 0 4 0 15 0 1 0 2 0 2 0 5 0 5...

Page 258: ...0 02 of range All other conditions from the last chapter are still valid With this option the phase error between voltage and current channel is 0 012 at 50Hz Without this option the phase error is 0...

Page 259: ...0 01 Frequency range from DC to several hundred kHz Current range from 1A up to several kA For the exact specifications of all this sensors you find a detailed manual on the CD which is delivered toge...

Page 260: ...o get for example interharmonics and components with higher frequencies which are not captured by the harmonics So it is not possible to compensate the influence of the filters for this values For the...

Page 261: ...th each measuring cycle for normal values The four analogue outputs have one common ground AOut_GND which is isolated from all other grounds Four analogue inputs with 10V This values are displayed aft...

Page 262: ...ues see 4 4 2 2 Processing signal interface 13 9 1 Analogue inputs Resolution 16Bit Accuracy 0 05 of measuring value 0 05 of full scale Input signal 12V Overload capability 25 25V Input resistance 100...

Page 263: ...e Output high impedance max 30V 100 A Output low impedance max 1 5V 100mA 13 9 6 Auxiliary supply Output voltage 5V 10 50mA 13 9 7 Frequency direction input Incremental sensors without direction infor...

Page 264: ...ng and the internal clock has an accuracy of 25ppm 13 11 Frequency measuring 0 05Hz 20kHz 100ppm of measuring value 13 12 Scope memory Size 65536 words 1 3 of this for each power channel This 1 3 is f...

Page 265: ...pin configuration is necessary Pin Meaning Pin Meaning 1 Cycle out 9 Control out 2 Frequency out 10 Trigger out 3 Ground 11 Ground 4 Do not connect 12 5V 100mA 5 Do not connect 13 Ground 6 Ground 14 C...

Page 266: ...ly at transitions from low to high The functionality of the transitions high low start key low high stop key Control out Status of the energy measurement high level if the integration is stopped low l...

Page 267: ...ut In 2 8 Frequency Out In 9 14 Control Out In 10 15 Trigger Out In 7 1 Cycle In Out 8 2 Frequency In Out 14 9 Control In Out 15 10 Trigger In Out Ground and Screen are connected to pin 3 of both plug...

Page 268: ...rgy measurement This stage has no master slave functionality but a control of a master LMG is recommended if existing from the last top The energy measurement of both meters has to be set to the same...

Page 269: ...ed in which we have stored the name scaling ranges adjustment and delay time of the sensor The LMG450 recognises automatically which ZES sensor is connected and sets up the range menu Further on we co...

Page 270: ...System design LMG450 270 14 2 Functional block diagram LMG450 Figure 47 Functional block diagram LMG450...

Page 271: ...Z E S ZIMMER Electronic Systems GmbH Chapter 14 271 14 3 Functional block diagram voltage channels Figure 48 Functional block diagram voltage channels...

Page 272: ...System design LMG450 272 14 4 Functional block diagram current channels Figure 49 Functional block diagram current channels...

Page 273: ...s GmbH Chapter 14 273 14 5 Functional block diagram computing unit Figure 50 Functional block diagram computing unit The labels in the circles define the signals you can select in different menus for...

Page 274: ...System design LMG450 274 14 6 Functional block diagram processing signal interface Figure 51 Functional block diagram processing signal interface...

Page 275: ...g Nyquist Shannon theorem bandwidth sampling frequency This can be prevented by using Anti Aliasing Filter Allowed limits Limits which are declared in standards AM Amplitude modulation one signal is m...

Page 276: ...of the values symbolised by bars A typical bargraph is the spectrum display Basic wave The signal part with the lowest frequency in the signal except DC part Baud rate Transfer speed of the bits in a...

Page 277: ...lfilled Constant Value which will not change over time Continuous measuring Measuring without any gaps Core parameter measuring circuit The core parameters like hysteresis and magnetic flux can be det...

Page 278: ...set by the user Device Every meter or equipment take place in the measurement Printer PC Device under test D U T DFT algorithm Discrete Fourier transformation operation with discrete values using the...

Page 279: ...high currents to lower ones External shunt Changes currents into voltage with defined ratio External synchronisation jack Input for an external synchronisation source F Falling edge Opposite of rising...

Page 280: ...order Describes which order the harmonic has e g of a 50Hz signal the order of the 100Hz harmonic is 2 its the second harmonic High impedance state The digital output has a high impedance the transist...

Page 281: ...between two devices Interharmonic Sinusoidal components with a frequency which is not an integer time of the fundamental Internal beeper Like the PC speaker to signalise errors Interval Fixed time pe...

Page 282: ...random signals with a high bandwidth which are superposed to the useful signal Nondecimal numeric program data Data which can be represented as string instead of a number e g Cont on instead of Cont 1...

Page 283: ...ode the integration interval is repeated periodically Phase Conductor of the high potential typically marked with L Phase angles Usually the angle between current and voltage Phase error The error in...

Page 284: ...n the LMG are two resolutions important the analogue to digital converter has 16bit resolution the display has 5 or 6 digit resolution Rise time Time in which the signal rises from zero to the maximum...

Page 285: ...Software options Options which can be installed with software Software update Updates your software of the LMG Available on the homepage www zes com Status byte register Register in which several flag...

Page 286: ...signal Signal which gives the trigger event TRMS True root mean square True root mean square The average of a squared signal V Variables Values calculated by Formula Editor Visual display Display what...

Page 287: ...basic wave 120 battery 252 BMP2PC 233 C calculating the measuring error 241 calculation of measuring values 83 105 114 120 calibration 250 capacitance against earth 255 capacitance between U and I 256...

Page 288: ...external current sensor 269 External Synchronisation Sync 265 F factory settings 37 fans 251 faq 241 features and application areas 23 filter 79 104 126 259 hf rejection 259 flicker 116 flicker mode...

Page 289: ...111 117 123 128 231 logging profiles 232 long term flicker 114 long time evaluation 104 108 M maintenance 250 Master Slave 267 measure 48 Measurement of high currents 43 Measurements at middle and hig...

Page 290: ...2 power factor 88 90 prCE harmonic measuring mode 103 print log 47 printer 50 229 231 233 printing scripts 68 processing signal interface 55 261 Pst 115 Q qonly 129 R range 81 105 114 120 128 auto 81...

Page 291: ...a 253 testing the interface 223 tests according EN61000 3 2 111 tests according EN61000 3 3 117 text 70 time setup of 51 Timebase 264 torque calculation 68 total harmonic distortion 106 total values 9...

Page 292: ......

Page 293: ...9 ZREF 139 ZTESt 139 DISPlay CONTrast 140 RESet 140 FETCh SCALar CURRent AC 141 CFACtor 141 DC 142 FFACtor 142 FSCale 142 INRush 142 MAXPk 143 MINPk 143 PHASe 143 PPEak 143 RECTify 143 RUSed 144 TRMS...

Page 294: ...age AMPLitude 165 GFResult 165 HWCFactor 166 LIMit 166 LTResult 167 MAMPlitude 167 MAXCfactor 167 MAXPhi 167 MINCfactor 168 MINPhi 168 OLIMit 168 PHASe 168 PPHase 169 STATe 169 THDistort 169 POWer AAC...

Page 295: ...150 RESult 150 FREQuency FINPut 155 SAMPle 155 SSOurce 155 HARMonics AMPFactor 156 AMPower 156 APFactor 156 APOWer 157 CDResult 157 CURRent AAMPlitude 158 AFUNdamental 158 AMPLitude 158 FPRotz 159 FR...

Page 296: ...t SCALe 188 FLICker PERiods 189 STIMe 189 HARMonics FDIV 190 ISTart 190 REFerence 190 SMOoth 191 TIME 191 INTegral DATE 192 INTerval 192 MODE 192 STATe 193 TIME 193 RPValues 193 SWEep TIME 194 TRANsie...

Page 297: ...oltage 175 action 216 active energy 146 power 170 active power harmonics 164 active serial resistance 173 actualisation measuring values 179 180 AIHI 183 AILO 183 Ain 175 AIVA 175 amplitude current ha...

Page 298: ...s limit 160 harmonics maximum duration 159 harmonics result 161 inrush 142 interharmonics 160 maximum 143 maximum averaged fundamental 158 minimum 143 partial odd harmonic 161 peak peak 143 phase angl...

Page 299: ...131 Event Status Enable Register 131 Register 132 example basic 221 SCPI 223 SHORT 225 execution continuous 179 extended trigger filter 219 hysteresis 220 level 220 source 220 external shunt input 185...

Page 300: ...f wave crest factor 166 half wave power 151 half wave TRMS 149 153 harmonic limit partial odd 162 harmonic limits fundamental current 137 power 138 power factor 138 rsce 138 harmonic standard version...

Page 301: ...trigger 220 I Iac 141 IAC 141 IAM 186 Iaver 158 Icf 141 ICF 141 Idc 142 IDC 142 identification 132 Identify current sensor 185 Identify voltage sensor 198 IDNI 185 IDNU 198 IEXT 185 Iff 142 IFF 142 I...

Page 302: ...ring cycle real time 145 measuring cycle counter 144 measuring mode 181 measuring time harmonics 191 short term flicker 189 measuring values actualisation 179 180 memory size 182 minimum current 143 v...

Page 303: ...ve 172 smoothed 157 power factor 172 harmonic limits 138 maximum smoothed 156 smoothed 156 PRES 207 Preset operation and query registers 207 pretrigger transients 197 printer header 215 processing sig...

Page 304: ...check 159 162 harmonics voltage check 165 169 voltage harmonics 167 168 RLS 173 RngI 186 RngU 199 RSCE 138 Rser 173 RSER 173 running integration time 147 S S 171 S 171 SACT 201 sample counter trigger...

Page 305: ...UR 196 TDX 198 test impedance 139 THD current 163 voltage 169 time 215 cycle 194 measuring harmonics 191 running integration 147 short term flicker measuring time 189 start energy 193 system 215 time...

Page 306: ...165 harmonics limit 166 harmonics phase 168 harmonics result 167 168 interharmonics 166 maximum 176 maximum crest factor 167 maximum harmonics amplitude 167 maximum phase 167 minimum 176 minimum cres...

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