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14-46

IM 253421-01E

14.5 Sample Program

This section describes sample programs for a IBM PC/AT and compatible system with

National Instruments AT-GPIB/TNTIEEE-488.2 board. Sample programs in this manual

are written in Quick BASIC version 4.0/4.5.

'*************************************************************************
'* *
'* sample program 1 for the WT200 *
'* *
'*************************************************************************
'* *
'* Used to set measurement condition/ranges for normal mesurement mode, *
'* and read and display the following data each time measured/computed *
'* data is updated. *
'* *
'* Voltage(V), current(A), active power(W), voltage frequency(VHz) *
'* *
'*************************************************************************

REM $INCLUDE: 'qbdecl.bas'

DECLARE SUB gpiberr (msg$)
DIM D$(4)

CALL IBDEV(0, 1, 0, T10s, 1, 0, DEV%)
IF (DEV% <= 0) THEN CALL gpiberr("Ibdev error")

' interface clear
CALL IBCLR(DEV%)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibclr error")

' set measurement condition
WRT$ = "SAMPLE:HOLD OFF"
CALL IBWRT(DEV%, WRT$)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibwrt error")

WRT$ = "MODE RMS"
CALL IBWRT(DEV%, WRT$)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibwrt error")

WRT$ = "FILTER OFF"
CALL IBWRT(DEV%, WRT$)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibwrt error")

WRT$ = "SCALING OFF;AVERAGING OFF"
CALL IBWRT(DEV%, WRT$)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibwrt error")

' set measurement range
WRT$ = "VOLTAGE:RANGE 150V"
CALL IBWRT(DEV%, WRT$)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibwrt error")

WRT$ = "CURRENT:RANGE 5A"
CALL IBWRT(DEV%, WRT$)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibwrt error")

' set function/element of display C to measure frequency of element 1
WRT$ = "DISPLAY3:FUNCTION VHZ;ELEMENT 1"
CALL IBWRT(DEV%, WRT$)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibwrt error")

' set communication output items
' 1. V, A, W -> ON, others -> OFF
' 2. VHz -> ON
WRT$ = "MEASURE:ITEM:PRESET NORMAL"
CALL IBWRT(DEV%, WRT$)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibwrt error")

WRT$ = "MEASURE:ITEM:VHZ:ELEMENT1 ON"
CALL IBWRT(DEV%, WRT$)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibwrt error")

' set filter to detect completion of refreshing data
WRT$ = "STATUS:FILTER1 FALL"
CALL IBWRT(DEV%, WRT$)
IF (ibsta% AND EERR) THEN CALL gpiberr("Ibwrt error")

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Summary of Contents for WT200

Page 1: ...Digital Power Meter IM 253421 01E 1st Edition ...

Page 2: ...al are subject to change without prior notice Every effort has been made in the preparation of this manual to ensure the accuracy of its contents However should you have any questions or find any errors please contact your dealer or YOKOGAWA sales office Copying or reproduction of all or any part of the contents of this manual without YOKOGAWA s permission is strictly prohibited Trademarks Company...

Page 3: ...7 A F VDE Standard Power Cord Part No A1009WD Maximum rated voltage 250 V Maximum rated current 10 A R SAA Standard Power Cord Part No A1024WD Maximum rated voltage 240 V Maximum rated current 10 A Q BS Standard Power Cord Part No A1054WD Maximum rated voltage 250 V Maximum rated current 10 A Options Communication Interface C1 GP IB interface Select either one C2 RS 232 C interface External sensor...

Page 4: ...age ii 1 2 24 pin connector A1004JD 1 For remote D A output only provided with options DA4 or CMP 3 Rubber feet A9088ZM 1 set 4 User s Manual IM253421 01E 1 this manual 2 3 4 D F R Q 1 An appropriate power cord according to the instrument s suffix code is supplied Note We recommend you keep the packing box The box is useful when you need to transport the instrument Checking the Contents of the Pac...

Page 5: ...ual the protection provided by this instrument may be impaired Also YOKOGAWA Electric Corporation assumes no liability for the customer s failure to comply with these requirements The following symbols are used on this instrument To avoid injury death of personnel or damage to the instrument the operator must refer to an explanation in the User s Manual or Service Manual Danger risk of electric sh...

Page 6: ...might be defective Power Cord and Plug To prevent an electric shock or fire be sure to use the power cord supplied by YOKOGAWA The main power plug must be plugged in an outlet with protective grounding terminal Do no invalidate protection by using an extension cord without protective grounding Power Supply Ensure the source voltage matches the voltage of the power supply before turning ON the powe...

Page 7: ...r 8 Storing Recalling Measured Data and Setting Parameters from the Internal Memory Explains the procedures when storing or recalling measured data or setting parameters from the internal memory Chapter 9 Using External Input Output Explains the procedures for remote control D A output option external plotter printer output and comparator option Chapter 10 Using the GP IB Interface Optional Explai...

Page 8: ...ce WARNING Describes precautions that should be observed to prevent the danger of serious injury or death to the user CAUTION Describes precautions that should be observed to prevent the danger of minor or moderate injury to the user or the damage to the property Note Provides information that is important for proper operation of the instrument Displayed Characters on the 7 Segment LED In order to...

Page 9: ...an Operating Procedure 1 SHIFT SETUP OUTPUT ENTER 3 Display C Display C 2 ENTER 5 4 End of setting The items in this figure are obtained by the following setting procedures The blinking part of the display can be set 1 After pressing the SHIFT key and the SHIFT indicator is lit press the SETUP OUTPUT key The output setting menu will appear on display C 2 Select rELAY using the up down keys Pressin...

Page 10: ...hen Using the External Sensor 3 10 3 9 Turning the Power ON OFF Opening Messages 3 12 Chapter 4 Setting Measurement Conditions and Measurement Range 4 1 Selecting the Measurement Mode 4 1 4 2 Selecting the Measurement Synchronization Source 4 3 4 3 Turning the Filter ON OFF 4 4 4 4 Selecting the Measurement Range in case of Direct Input 4 5 4 5 Setting the Scaling Constant when External PT CT is U...

Page 11: ...omparator Mode optional 9 10 9 6 Setting the Comparator Limit Values optional 9 11 9 7 Comparator Display optional 9 15 9 8 Turning the Comparator Function ON OFF optional 9 17 9 9 Outputting to an External Plotter or Printer 9 18 Chapter 10 Using the GP IB Interface Optional 10 1 GP IB Interface Functions and Specifications 10 1 10 2 Responses to Interface Messages 10 3 10 3 Status Byte Format be...

Page 12: ...OMMunicate Group 14 15 14 3 4 CONFigure Group 14 17 14 3 5 DISPlay Group 14 21 14 3 6 HARMonics Group 14 22 14 3 7 INTEGrate Group 14 23 14 3 8 MATH 14 24 14 3 9 MEASure Group 14 25 14 3 10 RECall Group 14 32 14 3 11 RELay Group 14 33 14 3 12 SAMPle Group 14 35 14 3 13 STATus Group 14 36 14 3 14 STORe Group 14 37 14 3 15 Common Command Group 14 38 14 4 Status Report 14 41 14 4 1 Overview of the St...

Page 13: ...tions 16 6 16 7 Integrator Function 16 6 16 8 Internal Memory Function 16 7 16 9 D A Converter optional 16 7 16 10 External Input optional 16 7 16 11 Comparator Output optional 16 7 16 12 External Contorol and Input Signals in combination with the D A converter and comparator options 16 8 16 13 Total Harmonic Analysis Function optional 16 8 16 14 General Specifications 16 9 16 15 External Dimensio...

Page 14: ...rms a closed circuit The voltage across shunt resistor is amplified and normalized and then input to the A D converter This method enables switching of the current range without opening the current measurement circuit so the current range can be switched while electricitiy is supplied to the circuit This also enables remote control via communications outputs The output from the A D converter in th...

Page 15: ... at once Peak Measurement Function This function measures the peak values of the voltage and current This value is used to compute the crest factor MAX Hold Function This function holds the maximum values of the voltage current active power apparent power reactive power voltage peak and current peak It holds the maximum value that exists while the MAX hold function is enabled Computing Functions A...

Page 16: ... frequency of 50 or 60 Hz Frequency Measurement Function This function measures the frequency of the voltage and current Measuring range is from 10 Hz to 50 kHz however depending on the internal timing of the instrument measurement might be carried out in the range from 4 Hz to 10 Hz also Harmonic Analysis Function optional This function enables computation of voltage current active power and so f...

Page 17: ...o possible to control this instrument from the personal computer Output Function to an External Plotter and Printer Measured computed data can be printed on an external plotter or printer using the GP IB or RS 232 C interface Other Useful Functions Backup of Setting Parameters This instrument backs up the setting parameters including computed values in case power is cut off accidentally as a resul...

Page 18: ...F G H I J K L M N O P Q R S T Small c Small h Exponent U V W X Y Z Initial Menus Every function of this instrument can be set using the menus on the display The initial displays which appear when the operation keys are pressed are shown below 1 V RANGE 2 Display C Voltage Range Setting 1 A RANGE 2 2 2 A A A A A A mA mA mA A A A A A A mV mV mV A A A A A A V V V mA mA mA mA mA mA mA mA mA mA mA mA m...

Page 19: ...ime Integration type setting Display C Integration Setting SHIFT START HARMONICS Display C 2 1 Turning the Harmonic Analysis Function ON OFF Setting the element Setting PLL source Setting computation methood of harmonic distortion SHIFT STOP MEMORY Display C 2 Storing measurement data Recalling measurement data Storing setting parameters Recalling setting parameters 1 Storing Recalling to from Int...

Page 20: ...ng talk only mode 1 Setting Communication Interface GP IB Setting communication commands according to IEEE 488 2 1987 Print mode setting Setting plotter or printer output SHIFT LOCAL INTERFACE Display C 2 Setting normal mode Setting talk only mode 1 Setting Communication Interface RS 232 C Setting communication commands according to IEEE 488 2 1987 Print mode setting Setting plotter or printer out...

Page 21: ...slot Power switch page 3 12 Function Unit display Rear Panel page 3 10 External sensor input terminal Power connector page 3 7 Voltage input terminal page 3 8 to 3 11 Current input terminal page 3 8 to 3 11 GP IB or RS 232 C connector chapter 10 11 chapter 9 Ext I O connector Top View Ventilation slot Rear panel Front panel Chapter 2 Names and Uses of Parts and the Overrange and Error Displays ...

Page 22: ...g menu for harmonics ON OFF PLL source and element selection sections 7 2 and 7 3 Shows the setting menu for storing recalling measurement data and set up information chapter 8 When the REMOTE indicator is lit the remote function will be canceled When the REMOTE indicator is not lit the setting menu for communication printing will appear Shows the setting menu for communication printing sections 9...

Page 23: ...ltage or instantaneous current exceed approx 300 of the measurement range the V over or A over indicators at the front panel will light up V OVER A OVER Note The V over and A over indicators at the front panel will light up in case of overrange or peak over of any signal Display in case the measurement value is too small In case either the measured voltage or measured current drops below 0 5 of th...

Page 24: ... the part number of the appropriate power cord when placing an order General Handling Precautions Never place anything on top of the instrument especially objects containing water Entry of water into the instrument may result in breakdowns When Moving the Instrument first turn off the power of the objects to be measured and disconnect the connected cables such as for measurement and communication ...

Page 25: ...nt accuracy the instrument should only be used under the following conditions Ambient temperature 23 5 C Ambient humidity 30 to 75 RH no condensation When using the instrument in the temperature ranges of 5 to 18 or 28 to 40 C add the temperature coefficient to the accuracy as specified in chapter 16 Specifications If the ambient humidity of the installation site is 30 or below use an anti static ...

Page 26: ...y 10 mm Turning axis Turn the handle to position 8 and remove it by pulling it approx 10 mm from the turning axes on both sides 2 Remove the feet from the instrument 3 Remove the seals covering the mounting holes from the front side of the instrument 4 Mount the rack mount brackets 5 Mount the instrument in the rack For more detailed information regarding the rack mount procedure refer to the inst...

Page 27: ...A range Peak value of 30 A or RMS value of 20 A whichever is less In case you are using an external potential transformer PT or current transformer CT use one which has a sufficient withstand voltage against the voltage to be measured a withstand voltage of 2E 1000 V is recommended where E is the measurement voltage Also be sure not to allow the secondary side of the CT to go open circuit while po...

Page 28: ... that contain high frequency components wiring should be made with special attention paid to possible mutual interference and noise problems Keep the lead wires short as possible For current circuits indicated by thick lines in the wiring diagrams shown in section 3 4 and later use thick lead wires appropriate for the current to be measured The lead wire to the voltage input terminal should be con...

Page 29: ...less the effect of the voltage measurement circuit on the measurement accuracy is less than or equal to 0 01 As another example if the input signal is 200 V and 10 A iV 0 1 mA 200 V 2 MΩ The effect on the measurement accuracy is 0 001 0 1 mA 10 A in this case SOURCE LOAD V A iV iL SOURCE LOAD A V Input terminal WT200 The following figure shows the relationship between the voltage and current that ...

Page 30: ...t protective earth ground This act will invalidate the protection Connecting Procedure 1 Make sure that the power switch of the instrument is turned OFF 2 Connect the accessory power cord to the power connector on the back of the instrument 3 Insert the power cord to the power outlet which conforms to the following specifications Make sure that you use an outlet with a protective grounding termina...

Page 31: ...input terminal when connected CAUTION A load current flows in the thick lines show in the diagrams therefore a wire with sufficient current capacity must be used for these lines Wiring diagram SOURCE LOAD SOURCE LOAD V A A V LOAD V V A A SOURCE A V SOURCE LOAD A V Input terminal Input terminal Note The wire connected from the source the current terminal must be routed as close as possible to the g...

Page 32: ...exceeds the maximum measuring range If the maximum voltage of the object to be measured exceeds 600 V connect an external potential transformer PT and connect the secondary side of the PT to the voltage input terminals If the maximum current of the object to be measured exceeds 20 A connect an external current transformer CT and connect the secondary side of the CT to the current input terminals W...

Page 33: ...e when power is applied to the circuit under measurement that is connected to the external sensor input terminal the voltage of the circuit appears across the current input terminals The connector to the input terminal for the external sensor should not have bare wires protruding make sure to make connections to this terminal according to safety measures since voltages will be present at the bare ...

Page 34: ...sensor to the non earth side use a wire that is thicker than AWG18 conductive cross sectional area of approx 1 mm2 between the sensor and the instrument to reduce the effects of common mode voltage Take safety and error reduction in consideration when constructing an external sensor cable LOAD V A Voltage input terminal Current input terminal Ext sensor input terminal External shunt If the measure...

Page 35: ... manual When contacting your representative inform him of the name suffix and No code as on the right side panel and of the displayed error code s Note In case of an error code refer to section 15 4 Error Codes and Corrective Actions for a description and corrective action A warm up time of approx 30 minutes is required before all spesifications of the instrument can be met Turning the Power OFF W...

Page 36: ...y for EX1 EX2 Only for HRM option For DA option For CMP option GPIB mode GPIB address RS 232 C mode RS 232 C handshake RS 232 C format RS 232 C baud rate All specs option have been displayed Ready for measurement 1 Displays the setting valid before the power was turned OFF Any of Addr A Addr b tonLY Print can be displayed 2 Displays the setting valid before the power was turned OFF Any of nor tonl...

Page 37: ...lue V MEAN Displays rectified mean value Measures and displays calibrated to the RMS value true RMS value DC Displays DC value obtained by Displays DC value obtained by averaging the input averaging the input signal signal Theoretical Equations RMS This mode is selected to display input voltage or current as a true RMS value 1 T 0 T f t 2 dt f t input signal T one period of the input signal V MEAN...

Page 38: ...n Linear averaging Sinewave Half wave rectification Full wave rectification Direct current Triangular wave Square wave Pulse Pulse RMS V MEAN DC Ep 2 Ep 2 Ep 2 Ep Ep 3 Ep D Ep τ 2π Ep 2 π Ep Ep π 2 π Ep Ep Ep 2 Ep D Ep τ 2π Ep Ep 2 Ep 2 2 Ep 2 π 2 2 Ep π 4 2 Ep π 2 2 Ep π τ 4π 2 Ep πD 2 2 Ep D Ep τ 2π Ep 2 π Ep 0 0 Ep π 0 2π Ep π 0 2π Ep π 0 2π Ep Ep π 0 2π Ep π 0 2π Ep 0 2π Ep τ Ep π 0 Display τ ...

Page 39: ...anation Function used to select the measurement synchronization source The instrument determines the measured value by averaging the sampled data averaging process over the period synchronized to the input signal period The input signal period is detected from the voltage and current signals and you can select which signal period to use to perform the averaging process The initial setting is A A P...

Page 40: ...f the operation press the key indicated in step 1 The confirmed settings up to that point are kept ENTER 3 SETUP 1 ENTER 4 2 5 Select the filter Display C Display C End Explanation Filter Function The instrument will perform measurements after synchronizing to the cycle of the input signal Consequently the frequency of the input signal can be measured properly The filter at a cut off frequency of ...

Page 41: ...LOCAL SETUP STOP RESET AUTO FUNCTION FUNCTION m V PF M W k A m V VA V MEAN RMS A OVER V OVER SAMPLE A B C MODE Displays relevant keys and indicator Procedure Operate the instrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up t...

Page 42: ...l be selected at the end of the current measurement cycle Range down A lower range is selected if the measured voltage or current drops below 30 of the rated value However even when the measured voltage or current drops below 30 of the rated value range down will not be done when this would result in waveforms with a high crest factor causing peak over Verifying the Range To verify the current ran...

Page 43: ...to five one digit is added to the lowest digit of the values in the table For selecting the number of displayed digits see section 4 12 Voltage Range Current Range 15 V 30 V 60 V 150 V 300 V 600 V 15 00 V 30 00 V 60 00 V 150 0 V 300 0 V 600 0 V 5 mA 75 00 mW 150 0 mW 300 0 mW 750 0 mW 1 500 W 3 000 W 5 000 mA 10 mA 150 0 mW 300 0 mW 600 0 mW 1 500 W 3 000 W 6 000 W 10 00 mA 20 mA 300 0 mW 600 0 mW...

Page 44: ...nstrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept ENTER 3 SETUP 1 4 ENTER 5 ENTER 9 ENTER 11 ENTER 13 2 End 6 Set value 7 Move across digits 8 Shift decimal point SHIFT SHIFT ENTER 3 SETUP 1 4 Displa...

Page 45: ...C W F Power scaling constant Reactive power var F P C var Apparent power VA F P C VA Setting the Scaling Constant The scaling constants are set in the following order The setting ranges from 0 001 to 9999 The initial value is 1 000 P Sets the PT ratio on display A C Sets the CT ratio on display B F Sets the power coefficient on display C Turning Scaling ON OFF Select the scaling menu once again af...

Page 46: ...keys and indicator Procedure Operate the instrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept 1 SETUP ENTER 3 2 ENTER 7 4 5 6 SHIFT SHIFT Display C Set value Move across digits Shift decimal point End ...

Page 47: ...edure on the previous page Scaling of the external sensor input will start as soon as you press the ENTER key after selecting Scaling will stop as soon as you select a measurement range other than external sensor input from the menu Setting Example of Scaling Constants for External Sensor Input In case the rated specs of the external sensor are 50 A 50 mV measurement range is 50 mV then 50 A 50 mV...

Page 48: ... Displays relevant keys and indicator Procedure Operate the instrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept ENTER 3 SETUP 1 ENTER 7 2 6 4 ENTER 5 ENTER 3 SETUP 1 2 4 ENTER 5 Select the averaging f...

Page 49: ...n Moving averaging is expressed by the following equation Dn Mn m 1 Mn m 2 Mn 2 Mn 1 Mn m where Dn the value at the n th display Mn m 1 the measurement value at m 1 display before the n th display Mn m 2 the measurement value at m 2 display before the n th display Mn 2 the measurement value at two displays before the n th display Mn 1 the measurement value at one display before the n th display Mn...

Page 50: ...indicated in step 1 The confirmed settings up to that point are kept ENTER 3 SETUP 1 ENTER 4 2 5 Select MAX hold function Display C Display C End Explanation MAX hold function The maximum values MAX of V voltage A current W active power VA apparent power var reactive power Vpk voltage peak and Apk current peak can be held while the MAX hold function is enabled The initial setting is oFF on The MAX...

Page 51: ... A RANGE V RANGE START LOCAL SETUP STOP RESET AUTO FUNCTION FUNCTION m V PF M W k A m V VA V MEAN RMS A OVER V OVER SAMPLE A B C MODE Displays relevant keys Procedure Operate the instrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed sett...

Page 52: ...nction is displaying INTEG TIME elapsed time of integration the computation result displays no data If the value of display B function is less than 0 0001 of the rating the computation result displays oF Application Example Displays the result of display A display B Computation example This function is valid when display A is set to some function other than VA apparent power and you wish to displa...

Page 53: ... display B 2 Computation example The impedance Z resistance R and reactance X can be computed Display A Display B Display C VA Arms Z VA Arms 2 W Arms R W Arms 2 Var Arms X Var Arms 2 V A SOURCE LOAD Displays the result of display A 2 display B Computation example The resistance can be computed Display A Display B Display C Vrms W R Vrms 2 W V A SOURCE LOAD ...

Page 54: ... below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept ENTER 3 SETUP 1 ENTER 4 2 5 Select the four arithmetical operations function Display C Display C End Explanation Crest factor computation The crest factor is determined by peak value rms value When d...

Page 55: ... in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept ENTER 3 SETUP 1 ENTER 4 2 5 Select the four arithmetical operations function Display C Display C End Explanation Function used to compute the average active power during integration This function computes the average active power within the integration period It is derived by dividing...

Page 56: ...d Explanation Function used to select the number of displayed digits You can select the maximum number of displayed digits for values such as V voltage A current W active power VA apparent power var reactive power Vpk voltage peak Apk current peak PF power factor VHz voltage frequency AHz current frequency four arithmetical operation values crest factor and harmonic analysis values voltage current...

Page 57: ...relevant keys and indicator Procedure 1 Selecting the Display Function Select either V voltage A current or W power by pressing the FUNCTION key Display A FUNCTION V A W VA var TIME V A W PF deg FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION Wh and Ah will light twice and are displayed on the top of display C You can reverse the order by first pressing th...

Page 58: ...s is 5 Units V voltage A current W power Prefix m k or M Selecting the Display Function The following selections are available V voltage will be displayed A current will be displayed W power will be displayed Note The measurement results may differ even on a same signal if the measurement mode is changed For details related to the measurement mode see section 4 1 The displayed values of V voltage ...

Page 59: ...d Units Maximum reading of apparent and reactive power 99999 when the number of displayed digits is 5 Display range of power factor 1 0000 to 1 0000 1 0000 if the computed result between 1 0001 and 2 0000 PFErr if it is greater than 2 0000 1 0000 if it is between 1 0001 and 2 0000 PFErr if it is less than 2 0000 Units VA apparent power var reactive power power factor no unit Prefix m k or M Select...

Page 60: ...nge G180 0 to d180 0 G meaning phase lag d meaning phase lead Unit deg Selecting the Display Function When you select deg the phase angle will be displayed Note Changing the measurement mode might result in different computed results even when the input signal is the same For details on the measurement mode refer to section 4 1 When either the voltage or current drops below 0 5 of the measurement ...

Page 61: ... V PF M W k A m V VA V MEAN RMS A OVER V OVER SAMPLE A B C MODE Displays relevant keys and indicator deg Procedure Selecting the Display Function Select either V Hz voltage frequency or A Hz current frequency by pressing the FUNCTION key of display C Display C A W V Hz A Hz Wh Ah Ah Wh Wh Ah FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION...

Page 62: ...w below approx 7 or when the frequency is smaller than the measurement range the display will show ErrLo When the frequency is larger than the measurement range the display will show ErrHi This instrument measures the frequency after synchronizing to the cycle of the input signal We recommend to turn ON the filter when measuring an inverted waveform or a waveform with high noise However depending ...

Page 63: ...N FUNCTION FUNCTION V A V Wh and Ah will light twice and are displayed on the top of display C You can reverse the order by first pressing the SHIFT key followed by the FUNCTION key A Hz V Hz Explanation Displaying the peak value is displayed first on display C followed by the value If the unit display shows V the value is a voltage peak If it shows A the value is a current peak Displaying the res...

Page 64: ...e maximum of 999999 MWh MAh or when the integrated value of negative polarity reaches 99999 MWh MAh when the elapsed time of integration reaches the maximum of 10000 hours 00 minutes 00 seconds Integration holds the elapsed time of integration and integrated values at the point where integration stopped will be held until the RESET key is pressed Max integrated value 999999 MWh MAh Integrated valu...

Page 65: ...arity reaches 99999 MWh MAh Integration holds the elapsed time of integration and integrated values at the point where they reached the maximum or at the point where the STOP key was pressed will be held until the RESET key is pressed Integrated value Start Reset Hold Integration timer preset time Stop Hold Integration timer preset time Integration timer preset time Elapsed time of integration Int...

Page 66: ...he FUNCTION key once or twice will result in Wh Pressing the FUNCTION key once will result in displaying the positive watt hour value whereas pressing the FUNCTION key twice will result in displaying the negative watt hour value In case of the negative watt hour value will appear in front of the value 2 When the Ah function is selected pressing the FUNCTION key once or twice will result in Ah Pres...

Page 67: ...lowing the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept 1 SHIFT RESET INTEG SET ENTER 3 ENTER 5 2 4 ENTER 5 4 1 SHIFT RESET INTEG SET ENTER 3 2 1 SHIFT RESET INTEG SET ENTER 3 2 ENTER 6 4 5 SHIFT ENTER 9 7 8 ENTER 12 10 1...

Page 68: ...ype for intermittent signals with a frequency of 50 or 60 Hz Note Select integration type Ad when integrating the power of devices that are controlled through intermittent signals or devices on which the amplitude of the voltage or current changes drastically If the load fluctuation is large the value obtained on this instrument may differ from that obtained on other instruments using a different ...

Page 69: ...TION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION V A V Wh and Ah will light twice and are displayed on the top of display C You can reverse the order by first pressing the SHIFT key followed by the FUNCTION key 2 Starting Integration Press the START key The START indicator lights the integrated value appears on display C and the elapsed time o...

Page 70: ...re hour values separataly The average active power during integration is displayed if the function is specified in the computation settings see section 4 11 Update Hold Function Although the held values will not be updated integration continues When hold is being cancelled the integration results values and time corresponding to the point of cancellation will be displayed For details regarding the...

Page 71: ... 10 00 0 to 99 59 5 10 s 100 hours to 999 hours 59 minutes 59 seconds 100 00 to 999 59 1 min 1000 hours to 9999 hours 59 minutes 59 seconds 1000 0 to 9999 5 10 min 10000 hours 10000 1 hour For details related to Wh Wh Ah and Ah see page 6 3 For details related to the average active power during integration see section 4 11 The displayed values of V voltage A current W active power VA apparent powe...

Page 72: ...f the time of cancellation ON HOLD OFF Displayed value Dotted line shows integrated value START STOP RESET Elapsed time of integration Even when stopping integration while the hold function is on the displayed integrated value will remain unchanged However as soon the hold function is turned off or a trigger is activated the integrated results of the time when integration was stopped will be displ...

Page 73: ...compensation START Indicator STOP Indicator no no no no yes no yes yes yes yes yes no no no no yes no yes yes yes yes yes yes Settings can be changed no Settings cannot be changed Attempts will result in an error code When integration is started during auto range the measurement range will change to manual range Settings cannot be changed but can be displayed Settings cannot be changed but can be ...

Page 74: ...ve harmonic content of the current of the order shown on display A Displays the relative harmonic content of the active power of the order shown on display A In case the 1st order fundamental is shown on display A Displays the phase angle between the voltage of the first order and the current of the first order In case the order 2 to 50 is shown on display A Displays the phase angle between the vo...

Page 75: ...e display will show dots in any of the following cases When there are no more analysis data to be displayed during harmonic analysis Soon after the harmonic analysis function has been turned ON When the PLL synchronization is being re established Until the initial analysis data are obtained after having changed the settings When the analysis order which depends on the fundamental frequency exceeds...

Page 76: ...VA V MEAN RMS A OVER V OVER SAMPLE A B C MODE Displays relevant keys and indicator Procedure Operate the instrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept 1 SHIFT START HARMONICS ENTER 3 2 4 ENTER 5...

Page 77: ...case it is suggested that a suitable measurement range be selected so that the input level exceeds 30 of the rated range value Setting the Computation Method of Harmonic Distortion The computation method of harmonic distortion can be selected from the following two In the following explanation a maximum of 50 analysis orders is assumed In case of a maximum less than 50 computation display will be ...

Page 78: ... The confirmed settings up to that point are kept 1 SHIFT START HARMONICS 2 ENTER 3 Turning the Harmonic Analysis Function ON OFF End Display C Explanation Turning the Harmonic Analysis Function ON OFF on Pressing the ENTER key after selecting on will result in starting of the harmonic analysis and the HARMONICS indicator will light up The harmonic order will be displayed on display A oFF Pressing...

Page 79: ...is function is turned ON Setting the Harmonics Order 1 Turn off the display function indicator of display A Display A Display function turns off V A W FUNCTION FUNCTION FUNCTION FUNCTION You can reverse the order by first pressing the SHIFT key followed by the FUNCTION key 2 Set the harmonics order Display A Displaying the Values of Harmonic Analysis Displays each analysis value after having set t...

Page 80: ... 999 9 A Shows the harmonic distortion of the current followed by the character t Two computation methods are available See section 7 2 for details The display range is 0 00 to 99 99 and 100 0 to 999 9 V Shows the relative harmonic content of the voltage corresponding to the order shown on display A The display range is 0 00 to 99 99 and 100 0 to 999 9 A Shows the relative harmonic content of the ...

Page 81: ...This frequency applies only to the element selected as PLL source For details regarding the PLL source setting see section 7 2 The measurement range is the same as in case of normal measurement The range of fundamental frequencies in case of harmonic analysis is 40 to 440 Hz However depending on internal timing there are cases where measurements in the 20 to 700 Hz range can be performed A Hz Show...

Page 82: ...e middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept Setting the Storage Interval for Measurement Data 1 SHIFT STOP MEMORY ENTER 3 Select the store function Display C 2 Set interval Display C hour min sec ENTER 8 End Display C 4 ENTER 5 6 Up down 7 Shift cursor SHIFT 1 SHIFT STOP MEMORY ENTER 3 Select the store function Display C 2 Display C ...

Page 83: ... described blocks are full When during the storage process oFF is selected at the store ON OFF setting Setting the Storage Interval Sets the time during which storage will be carried out When storing normal measured data harmonic analysis function is turned OFF Setting range 00 00 00 0 hrs 0 min 0 sec to 99 59 59 99 hrs 59 min 59 sec Initial value 00 00 00 When the setting is 00 00 00 the interval...

Page 84: ...t the PLL source the harmonic distortion factor computation method nor can scaling averaging and filter settings be changed nor integration mode integration time and storage interval If you press the HOLD key while storing data the measurement operation and the counting operation of the store interval are suspended The storage operation itself is also suspended However if integration is in progres...

Page 85: ...ange will become as those of the data being recalled After recalling finishes the original measurement conditions will return Measurement range measurement mode filter ON OFF scaling ON OFF scaling constants averaging ON OFF averaging mode averaging constants integration mode integration type integration time harmonic analysis function ON OFF PLL source computation method of harmonic distortion fa...

Page 86: ... the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept 1 SHIFT STOP MEMORY ENTER 3 Select storage of setting parameters Display C 2 Select file for storage Display B 4 ENTER 5 End Storing Setting Parameters When setting parame...

Page 87: ...cation settings When data are saved in a file and you want to save data in the same file display C will show SAVEd Pressing the ENTER key will result in overwriting the previously saved data Setting parameters are saved in another internal memory than measured data Saved setting parameters are backed up by the lithium battery in the same way as measured data Recalling Setting Parameters When setti...

Page 88: ...No Signal Output Output Output Output Input Input Input Input Input Output No Connection No Connection No Connection No Connection No Connection No Connection No Connection No Connection No Connection 0 01 µF 5 V L H 5 V 10 kΩ 100 Ω 100 Ω 0 to 0 8 V 2 0 to 5 V L H 0 to 0 4 V 8 mA 2 4 to 5 V 400 µA Remote control input circuit TTL level TTL level Remote control output circuit WARNING The connectors...

Page 89: ... key 5 ms min Display hold EXT HOLD To hold the display update apply the EXT HOLD signal according to the timing chart below Updating Display Data which has been held same function as TRIG key Measurement start EXT TRIG 5 ms min 250 ms min Display update EXT TRIG 5 ms min Display update 5 ms min 3 s min Measurement start Update timing during normal measurement integration Update timing while harmo...

Page 90: ...e the instrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept Setting D A Output 1 SHIFT SETUP OUTPUT ENTER 3 Select D A output function Display C 2 4 Select output format Display C ENTER 5 End Select def...

Page 91: ... which channel is described below ch1 W ch2 Wh ch3 Ah ch4 Hz Output Channel Output Item If either one of the display functions V Hz or A Hz is turned on the frequency of the corresponding function is output If both functions are turned OFF the frequency of the function that was lighted last will be output Selecting the Desired Item of the Output Format The items to be output are set per each outpu...

Page 92: ...ent W active power VA apparent power var reactive power Vpk voltage peak and Apk current peak while the MAX hold function see section 4 8 is enabled will be the maximum values MAX that are held The values for D A output are also set to the maximum values MAX that are held The D A output of each output item is adjusted so that 5 0 V is output when the value corresponding to the range rating of the ...

Page 93: ...Other items Displayed value D A output Approx 7 5 V Approx 7 0 V 5 0 V 5 0 V Approx 7 0 V Approx 7 5 V Displayed value 140 100 0 100 140 Output Approx 7 0 V 5 0 V 0 V 5 0 V Approx 7 0 V However for PF and deg points in the range from 5 to 7 V and from 5 to 7 V are not output If there is an error the output will be about 7 5 V For Vp and Ap the output will be 5 V when the value is three times the r...

Page 94: ... time less than 500 ms Note Since this relay is subject to wear it is excluded from the 3 year warranty CAUTION Damage to the relays may occur when a voltage or current exceeding the specified range is applied to the contact output terminal Comparator Mode The following two comparator modes are available Single Mode If the measured computed integrated analysis values exceed the previously set limi...

Page 95: ...ll be ditermined and the circuit becomes closed When the current value lies below 1 A or exceeds3 A NO GO will be determined and the circuit becomes open Current Time Upper limit Hi Lower limit Lo 3 A 1 A Limit of ch2 is set to 1 A Limit of ch1 is set to 3 A Current Time Upper limit Hi Lower limit Lo 3 A 1 A Limit of ch2 is set to 1 A Limit of ch1 is set to 3 A Current Time Upper limit Hi Lower li...

Page 96: ...h these control signals with other equipments to eliminate erroneuous control Displayed error Relay status oL over range The NC contact is closed oF over flow The NC contact is closed dEGEr phase angle error The NC contact is closed PFErr power factor error The NC contact is closed ErrLo frequency error The NC contact is closed ErrHi frequency error The NO contact is closed for this case only FrqE...

Page 97: ...mode Display C ENTER 7 End Explanation Setting the Comparator Mode The following two settings are available For details related to the mode see section 9 4 The initial value is SinGL SinGL the comparator mode will be set to single mode duAL the comparator mode will be set to dual mode Note When you change the comparator mode after having set the comparator limit See section 9 6 and the following s...

Page 98: ... lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept Setting the Comparator Limit Values in case of Normal Measurement 1 SHIFT SETUP OUTPUT ENTER 3 Select the comparator function Display C Display C 2 4 ENTER 5 Relay setting Display C...

Page 99: ... SHIFT SHIFT A SHIFT 8 Sets the A column 9 Moves to the B column 10 Select from 1 to 3 2 ENTER 3 1 When you press the key in step 17 the output channel displayed on display C changes to the next channel from ch1 to ch2 for example 2 Because the maximum order of harmonic analysis varies depending on the fundamental frequency the analysis data may not be available up to 50th order bar display in som...

Page 100: ...tial setting The limit item limit value exponent of the limit value see next section are initialized for each channel ch1 V1 600 0 E 0 set 600 V of voltage to ch1 ch2 A1 20 00 E 0 set 20 00 A of current to ch2 ch3 P1 1 200 E 3 set 1 2 kW of active power to ch3 ch4 PF1 1 000 E 0 set a power factor of 1 to ch4 Setting the exponent The following selections are available The initial value is as descri...

Page 101: ...as described above E 3 10 3 E 0 100 E 3 103 E 6 106 Note The values of V voltage A current W active power VA apparent power var reactive power Vpk voltage peak and Apk current peak while the MAX hold function see section 4 8 is enabled will be displayed according to the maximum values MAX that are held The values that are compared against the limit values are also the maximum values MAX that are h...

Page 102: ... FUNCTION FUNCTION m V PF M W k A m V VA V MEAN RMS A OVER V OVER SAMPLE A B C MODE Displays relevant keys and indicator Procedure Operate the instrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept 1 SHI...

Page 103: ...layA and B Limit value Displays the limit value of ch2 or ch4 by The limit values on display A and B will show the pairs of ch1 ch2 and ch3 ch4 alternately by pressing the keys Comparator Display Function ON OFF This setting allows you to turn the above described display function ON or OFF oN The comparator display will appear by pressing the ENTER key after selecting on oFF The normal measurement...

Page 104: ...UTPUT ENTER 3 Select the comparator function Display C Display C 2 ENTER 5 4 End Explanation Turning the Comparator Function ON OFF After having set all the items described on the previous pages turn the comparator function ON on The comparator function will start by pressing the ENTER key after selecting on oFF The comparator function will stop by pressing the ENTER key after selecting oFF CAUTIO...

Page 105: ... the key indicated in step 1 The confirmed settings up to that point are kept 1 SHIFT LOCAL INTERFACE ENTER 3 2 ENTER 5 4 Set the output Mode Display C Communication setting End End Set plotter or printer Display C Setting the Output Mode If the communication interface that you purchased is an RS 232 C the menu proceeds to the Selecting handshaking method menu of page 11 3 Set the relevant paramet...

Page 106: ...armonic content of the voltage A Prints the numerical values of the analysis value and relative harmonic content of the current P Prints the numerical values of the analysis value and relative harmonic content of the active power dEG Prints the numerical values of the phase angle G V Prints the numerical values and the graph of the analyzed voltage values G A Prints the numerical values and the gr...

Page 107: ... and dEG data as well When the output item to be sent by communication is set to G V to CG P the output data will not be the graph but the numerical values The orders are printed up to the maximum analysis order When the fundamental frequency lies outside the measurement range of the harmonic analysis display B will show FrqEr an attempt to output will result in an error code When no analysis data...

Page 108: ... 0 03 0 06 43 0 03 0 05 45 0 02 0 05 47 0 02 0 05 49 0 02 0 04 2 4 0 01 0 02 6 0 02 0 03 8 0 01 0 01 10 0 00 0 01 12 0 00 0 01 14 0 00 0 00 16 0 00 0 01 18 0 00 0 01 20 0 00 0 00 22 0 00 0 01 24 0 00 0 01 26 0 00 0 01 28 0 01 0 01 30 0 00 0 01 32 0 00 0 01 34 0 00 0 01 36 0 00 0 01 38 0 00 0 00 40 0 01 0 01 42 0 00 0 01 44 0 00 0 01 46 0 00 0 01 48 0 00 0 01 50 0 00 0 01 0 03 0 06 Harmonic Spectru...

Page 109: ...000 CT Ratio Elem 1 1 000 Scaling Factor Elem 1 1 000 Averaging Off Averaging Type Linear Averaging Coefficient 8 Integrate Mode Manual Integrate Timer 00000 00 00 Integrate Type Standard Rated Time DA 001 00 Store Off Store Interval 00 00 00 Recall Off Recall Interval 00 00 00 Sync Source V1 Max Hold Off Harmonics Sync Off Harmonics Off Display A Order 01 Harmonics Element Element 1 Distortion Fo...

Page 110: ...e Mode A Data is output when the data output request command OD is received This mode enables transmission of data at a specified time Addressable Mode B This mode does not require a measured data inquiry command When data is requested by the controller personal computer etc the data is output as the display is updated when measurement is completed Therefore if an attempt is made to transmit data ...

Page 111: ...isten Address talk only capability listener L4 Basic listener capability nonlistener to MTA My Talk Address no listen only capability service request SR1 full service request capability remote local RL1 full remote local capability parallel poll PP0 no parallel polling capability device clear DC1 full device clear capability device trigger DT1 full device trigger capability controller C0 no contro...

Page 112: ...ly GET Group Execute Trigger Same function as the TRIG key LLO Local Lockout Invalidates the LOCAL key on the front panel to inhibit transfer from remote control to local control Switching between Remote and Local Mode When switched from local to remote mode The REMOTE indicator will light up and all panel keys except the LOCAL key cannot be operated Setting parameters entered in the local mode wi...

Page 113: ...his bit is set to 1 and the SRQ is set to True STORE RECALL BUSY DIO 5 This bit is set to 1 when storing recalling of data is in progress This bit cannot be disabled by the IM command since it is a status bit Even if this bit is set to 1 SRQ will not be affected OVER DIO 4 This bit is set to 1 and SRQ is set to True when an overrange occurs in the measured data However this is not valid if the bit...

Page 114: ...Positive watt hour Wh Negative watt hour Ah Positive ampere hour Ah Negative ampere hour HMS Elapsed time of integration MEM Data number in case of recalling CV1 V1 crest factor CA1 A1 crest factor A B display A display B A B display A display B A B display A display B A B display A display B h4 Element 1 Element 1 h1 h4 data type only when the computing equation is A B2 A2 B or average active pow...

Page 115: ... d11 exponent E 3 m E 0 E 3 k E 6 M Data state in case of an overrange is being displayed h1 h2 h3 h4 I _ _ 9 9 9 9 9 9 E 3 Data state in case of a computation overflow is being displayed h1 h2 h3 h4 O _ _ 8 8 8 8 8 8 E 0 Data state in case of no data when the display is I becomes E for data during overrange Elapsed time of integration H M S _ _ _ d1 d2 d3 d4 d5 d7 d8 d10 d11 d1 to d5 Hour d7 to d...

Page 116: ... the ch 2 on line 1 is set to no output data of ch 1 will be followed by data of ch 3 Output Format in case of Normal Measurement Line 1 Line 2 Line 3 Line 4 Line 5 Line 6 Data number Terminator The data number will only be output in case of recall V1 data Terminator Terminator Terminator Terminator Terminator A1 data W1 data Frequency END Display C Note When the frequency is set by either of the ...

Page 117: ... command by the DC or EC command After setting the measurement object of frequency even changing the display C to something different than VHz or AHz will not result in changing the object of measurement of frequency When selecting the output items yourself and you set a frequency item which is not object of measurement 999999 E 03 will be output The displayed values of V voltage A current W activ...

Page 118: ... source THD Harmonic distortion either IEC or CSA CNT Relative harmonic content MEM Data number in case of recalling h4 Element 1 Element 1 h5 Data state N normal I Overrange O Computation overflow P Peak overflow E No data h6 h7 Order 01 to 50 Order of fundamental or higher harmonic up to the maximum analysis order __ space will be assigned in case of frequency harmonic distortion power factor or...

Page 119: ...monic Relative harmonic content for 50th harmonic Power factor In case of phase angle Terminator END Terminator Line 1 Line 2 Line 3 Line 50 Line 51 Phase angle between fundamentals of voltage and current Frequency Phase angle between fundamental and 2nd harmonic of current Terminator Phase angle between fundamental and 2nd harmonic of voltage Terminator Phase angle between fundamental and 3rd har...

Page 120: ... C MODE Displays relevant keys and indicators Procedure Operate the instrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept 1 SHIFT LOCAL INTERFACE ENTER 3 Set the mode Display C 2 ENTER 6 Set the address...

Page 121: ...g the address setting Talk only Function This function only allows the instrument to send data to other devices If talk only is off the instrument can both send and receive data In talk only mode the instrument cannot be controlled by the controller Terminator When this instrument is used as a listener Use CR LF LF or EOI as the receiving terminator When this instrument is used as a talker The sen...

Page 122: ...llowing the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept SHIFT SETUP OUTPUT ENTER 3 Select communication Display C Select normal Display C 2 ENTER 5 4 Select output format Display C ENTER 7 End 6 Set output channel Displa...

Page 123: ...ysis 1 SHIFT SETUP OUTPUT ENTER 3 Display C Display C 2 ENTER 5 4 Set output item Display C ENTER 7 End 6 Even if graph printing is specified as an output item only the numerical values of the relevant function are output via communications 10 6 Setting the Output Items ...

Page 124: ... Any of the following items can be selected The initial value is V V voltage A current P active power VAr reactive power VA apparent power PF power factor VFrq voltage frequency 1 AFrq current frequency 1 Ph total watt hour Wh Ah total ampere hour dEG phase angle VP peak value of voltage AP peak value of current MATH computation t1 elapsed integration time Ph positive watt hour Wh Ph negative watt...

Page 125: ...ets computing equation Measurement SN m sets measurement synchronization source synchronization source MAX hold KH m sets MAX hold Number of DS m Display reSolution sets number of displayed digits displayed digits Zero level ZC Zero Calibration performs zero level compensation compensation Integration IS Integrate Start starts integration IP Integrate stoP stops integration IR Integrate Reset rese...

Page 126: ...lt output items RT m1 m2 m3 integrate Rated Time sets integration time CMP YO m relaY On sets comparator function ON OFF YM m relaY Mode sets comparator mode DY m Display relaY sets display relay ON OFF for comparator YC m relaY Channel sets the relay channel OY m1 m2 m3 m4 m5 sets the output relay function for normal Output relaY function measurement OYH m1 m2 m3 m4 m5 m6 sets the output relay fu...

Page 127: ...computed and analysis data output setting parameter output error code output status byte output Talk only mode Transmission measured computed and analysis data output Normal Mode This mode is equivalent to the the addressable mode A of the GP IB function and enables reception of commands and transmission of data Measured data is output on reception of the OD command 488 2 Mode This mode allows rec...

Page 128: ...rol Software handshaking User can select whether to control only transmission or both transmission and reception using X on and X off signals X on ASCII 11H X off ASCII 13H Receive buffer size 64 bytes WARNING The connectors used in this function have protective covers When the covers are removed or when using connectors the voltage ratings across the measuring input and the ground become as follo...

Page 129: ...nal computer Signal direction output 3 BB RXD Received Data Data received from personal computer Signal direction input 4 CA RTS Request to Send Signal used to handshake when receiving data from personal computer Signal direction output 5 CB CTS Clear to Send Signal used to handshake when transmitting data to personal computer Signal direction input 6 CC DSR Data Set Ready Signal used to handshake...

Page 130: ...18 119 120 121 122 Protective ground Signal ground Transmitted data Received data Request to send Clear to send Data set ready Data terminal ready Ring indicator Data channel received carrier detect Data signal quality detect Data signal rate select Transmitter signal element timing Receiver signal element timing Secondary transmitted data Secondary received data Secondary request to send Secondar...

Page 131: ... 6 5 1 2 3 20 7 6 5 1 2 3 4 5 7 6 1 2 3 4 5 7 6 WT200 WT200 WT200 WT200 WT200 Remove the wiring from FG 1 when erroneous operation occurs due to noise or other interference The wiring of PC ER and WT200 CS are not necessary However we recommend that you wire so that the cable can be used in either direction Remove the wiring from FG 1 when erroneous operation occurs due to noise or other interfere...

Page 132: ...edure Operate the instrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that point are kept 1 SHIFT LOCAL INTERFACE ENTER 3 Set the mode Display C 2 ENTER 9 hour min sec ENTER 14 END ENTER 5 ENTER 7 4 6 8 Select handshakin...

Page 133: ... data buffer becomes 3 4 full and is set to True when received data buffer becomes 1 4 full CA RTS is set to False when received data buffer becomes 3 4 full and is set to True when received data buffer becomes 1 4 full No handshake 0 1 2 3 4 5 6 7 yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes Mode selection no Handshaking method combinations a circle indicates that the function ...

Page 134: ... data format combinations supported Preset value 0 1 2 3 Start bit 1 1 1 1 Data length 8 7 7 7 Parity No Odd Even No Stop bit 1 1 1 2 Baud Rate The baud rate can be selected from 75 150 300 600 1200 2400 4800 or 9600 About the Terminator Data can be received with either CR LF or LF terminator For transmission terminator you can select from CR LF LF and CR Interval In case of the talk only mode thi...

Page 135: ...to the following commands at the RS 232 C interface ESC S terminator Equivalent to GP IB s serial poll function Status byte is output when the S command is received following reception of the ESC code 1BH ESC R terminator Equivalent to GP IB s remote local control function The instrument is placed in remote status and panel keys become invalid when the R command is received following reception of ...

Page 136: ...tion timer preset time Integration value Elapsed time of integration Data stored in internal memory Storage interval Recalling interval Output items for plotter communication Harmonic analysis ON OFF only when equipped with the harmonic analysis option PLL source only when equipped with the harmonic analysis option D A output items only when equipped with the D A output option D A rated integratio...

Page 137: ...TUP STOP RESET AUTO FUNCTION FUNCTION m V PF M W k A m V VA V MEAN RMS A OVER V OVER SAMPLE A B C MODE Displays relevant keys and indicator Procedure Operate the instrument by following the thick lines in the menu below Press the ENTER key to confirm a selection or setting To leave the current menu in the middle of the operation press the key indicated in step 1 The confirmed settings up to that p...

Page 138: ...omputing equation WT200 Voltage crest factor Frequency VHz Integration Reset condition integration mode manual integration type standard Integration preset time 0 hr 0 min 0 s Harmonic analysis option PLL source V1 harmonic distortion factor computation format IEC Harmonic analysis function ON OFF OFF Storage recalling Interval 0hr 0min 0sec storage recalling ON OFF OFF D A output option Output it...

Page 139: ...o zero level Zero level compensation must be performed to meet the specifications of this instrument see chapter 16 Press the SHIFT key to turn ON the indicator to the left of the SHIFT key and then press the ENTER key to perform zero level compensation Zero compensation is also performed the first time a measurement is made after changing the measurement range Note For making accurate measurement...

Page 140: ...lue The output format of the WT200 is the same for m 0 or 1 Chapter 13 Communication Commands 1 System of Commands before the IEEE 488 2 1987 Standard AA AA Sets the current auto range ON or OFF or queries the current setting Syntax AA m terminator m indicates auto range ON OFF m 0 auto range OFF fixed range 1 auto range ON Query AA terminator Example AA0 Description Parameter error 12 will occur ...

Page 141: ...e 23 Phase angle between each current of the 2nd to 50 or 30 th order and the fundamental 1st order current Query DB terminator Example DB1 Description Parameter error 12 will occur if m is set to an illegal value DC DC Sets the function for display C inquires about the current setting Syntax DC m terminator m indicates one of the following functions During normal measurement m 1 voltage V 2 curre...

Page 142: ...m terminator m indicates element m 1 Element 1 Query EB terminator Example EB1 Description Parameter error 12 will occur if m is set to an illegal value EC EC Sets the element for display C or queries the current setting Syntax EC m terminator m indicates element m 1 Element 1 Query EC terminator Example EC1 Description Parameter error 12 will occur if m is set to an illegal value E ST interface m...

Page 143: ...urrent setting Syntax IG m terminator m indicates the integration type m 0 Standard 1 Advanced Query IG terminator Example IG0 Description Parameter error 12 will occur if m is set to an illegal value Cannot be changed while integration is in progress Execution error 13 will occur While recalling or storing is in progress execution error 19 will occur IM IM Specifies which causes will be allowed t...

Page 144: ...rameter error 12 will occur if m is set to an illegal value Changing of the measurement mode is not allowed while integration is in progress execution error 13 will occur While recalling or storing is in progress execution error 19 will occur MT MT Sets the computing equation of MATH function or queries the current setting Syntax MT m terminator m indicates the computing equation m 1 Crest factor ...

Page 145: ...n printing mode or no data available 019 Attempted to execute commands while recalling storing is in progress 030 File data failure 031 File is damaged 032 Not stored in internal memory 033 No data to be stored in internal memory 041 Attempted to start integration when integration had been stopped due to an irregularity 042 Attempt made to start integration during integration 043 Measurement stopp...

Page 146: ...graph 8 GVD outputs the phase angle between the 2nd to 50 or 30 th order voltage and the fundamental 1st order as numerical value and graph 9 GAD outputs the phase angle between the 2nd to 50 or 30 th order current and the fundamental 1st order as numerical value and graph 10 CGV outputs the relative harmonic content of voltage as numerical value and graph 11 CGA outputs the relative harmonic cont...

Page 147: ...g setting AT1 AC1 terminator Line 10 Integration setting IC0 TM0 0 terminator Line 11 Storing recalling setting SO0 SR0 0 0 RO0 RR0 0 0 terminator Line 12 Command group used CM0 terminator Line 13 Measurement synchronization source integration type MAX hold SN0 IG0 KH0 DS1 terminator Line 14 Output end END terminator Description The number of lines varies depending on the options used When the har...

Page 148: ...element order or setting value so in case the OYH command is set set these all to 1 as a dummy PF VTHD and ATHD are not related to any order so in case the OYH command is used set 1 as a dummy PS PS Sets the input as the PLL source or queries the current setting Syntax PS m terminator m indicates the input as the PLL source m 1 V1 2 A1 Query PS terminator Example PS1 Description Parameter error 12...

Page 149: ... 4 30 V range 5 60 V range 7 150 V range 8 300 V range 9 600 V range Query RV terminator Example RV9 Description Parameter error 12 will occur if an illegal value is set Changing of the voltage range is not allowed while integration is in progress execution error 13 will occur While recalling or storing is in progress execution error 19 will occur SA SA Sets the external sensor scaling constant or...

Page 150: ... communications GP IB RS 232 C etc While recalling or storing is in progress execution error 19 will occur TM TM Sets integration preset time or queries the current setting Syntax TM m1 m2 m3 terminator m1 indicates hour and must be set within the following range 0 m1 10000 m2 indicates minute and must be set within the following range 0 m2 59 m3 indicates second and must be set within the followi...

Page 151: ...ent setting Syntax YO m terminator m indicates whether the comparator function is ON OFF m 0 OFF 1 ON Query YO terminator Example YO1 Description Parameter error 12 will occur if m is set to an illegal value ZC Performs zero level compensation Description When integration is in progress execution error 13 will occur While recalling is in progress execution error 19 will occur ...

Page 152: ...mand Parameters Characters or numericals are in ASCII code Terminator For GP IB When this instrument is set to listener mode either CR LF LF or EOI can be used as the terminator When this instrument is set to talker mode the terminator set using the DL command becomes valid See page 13 2 For RS 232 C See page 11 8 and 13 2 Sending Several Commands You can express several commands on one line In su...

Page 153: ...wrt error set displaying data WRT DA1 DB2 DC3 CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error set voltage range WRT RV7 CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error set current range WRT RA7 CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error set measurement mode WRT MN0 CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error set t...

Page 154: ...gpiberr Ibwrt error statusbyte initialize CALL IBRSP DEV SPR IF ibsta AND EERR THEN CALL gpiberr Ibrsp error FOR J 1 TO 10 SBWAIT MASK H4800 CALL IBWAIT DEV MASK IF ibsta AND EERR THEN CALL gpiberr Ibwait error read status byte CALL IBRSP DEV SPR IF ibsta AND EERR THEN CALL gpiberr Ibrsp error IF SPR H41 GOTO SBWAIT read mesurement data WRT OD CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr...

Page 155: ...HEN GOSUB RANGE GOTO RESTART IF C 2 THEN GOSUB SHUNT GOTO RESTART IF C 0 THEN END RESTART GOTO MENU END STOP END display measured data for adjust normal mesurement range ODDISP PRINT 1 refresh adjusted data PRINT 0 back to previous display WRTDATA WRT OD CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error LOCATE 15 1 RDDATA RD SPACE 255 CALL IBRD DEV RD IF ibsta AND EERR THEN CALL g...

Page 156: ...berr Ibwrt error WRT END CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error RTN 1 GOTO ENDODDISPEX ELSEIF C C THEN WRT CAN CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error RTN 1 GOTO ENDODDISPEX END IF GOTO WRTDATAEX ENDODDISPEX RETURN adjust normal mesurement range RANGE WRT CAL1 CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error RANGESEL CLS PRIN...

Page 157: ... WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error GOTO ENDRANGE ELSEIF C C THEN WRT CAN CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error GOTO ENDRANGE END IF GOTO RANGESEL DISPDATA GOSUB ODDISP IF RTN 0 THEN GOTO RANGESEL IF RTN 1 THEN GOTO ENDRANGE ENDRANGE RETURN adjust sensor range SHUNT CAL2WRT WRT CAL2 CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error GOS...

Page 158: ...DACAL STOP END subroutine to adjust DA output DACAL WRT CAL3 CALL IBWRT DEV WRT IF IBSTA AND EERR THEN CALL gpiberr Ibwrt error display main menu RESTART CLS CH PRINT DA output adjust PRINT PRINT 1 12 Specify DA channel PRINT S Save adjusted data PRINT C Cancel Not save adjusted data PRINT Command LINE INPUT CH IF CH S THEN WRT END CALL IBWRT DEV WRT IF IBSTA AND EERR THEN CALL gpiberr Ibwrt error...

Page 159: ...LL gpiberr Ibwrt error FOR I 0 TO 2000 NEXT I WRT ENT CALL IBWRT DEV WRT IF IBSTA AND EERR THEN CALL gpiberr Ibwrt error 5V output on selected channel WRT DO1 CALL IBWRT DEV WRT IF IBSTA AND EERR THEN CALL gpiberr Ibwrt error PRINT PRINT 5V output is doing on channel CH PRINT Please measure voltage of channel CH PRINT measurement data LINE INPUT D WRT CD CH D CALL IBWRT DEV WRT IF IBSTA AND EERR T...

Page 160: ...ter EOI output timing This command is used with the 2533E but cannot be used with the WT200 even if the 2533E group is selected by the CM command MN MN Sets the measurement mode inquires about the current setting Syntax MN m terminator m stands for measurement mode m 0 RMS 1 V MEAN 2 DC Query MN terminator Example MN0 Description Parameter error 12 will occur if m is set to an illegal value OL Req...

Page 161: ... h12 h1 to h2 Output channel DA ch1 DB ch2 DC ch3 h3 to h4 Data type 1 V voltage 7 HzV voltage frequency 13 Peak current value Apk 2 A current 8 HzA current frequency 14 Computation result MATH 3 W power 9 Wh watt hour 15 HMS elapsed time of integration 4 var reactive power 10 Ah ampere hour 24 Wh positive watt hour 5 VA apparent power 11 DEG phase angle 25 Wh negative watt hour 6 PF power factor ...

Page 162: ...2 1987 Standard 13 3 For Users Using Communication Commands of Digital Power Meter 2533E Output Section d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d1 Polarity _ space or minus d2 to d9 Mantissa floating decimal of max 7 digits d10 to d12 Exponent E 3 m E 0 E 3 k E 6 M for efficiency EFF ...

Page 163: ... Command Group The GP IB interface provided with this instrument conforms to IEEE 488 2 1987 This standard requires the following 23 points be stated in this document This chapter describes these points 1 Subsets supported by IEEE 488 1 interface functions See the specifications on page 10 2 2 Operation of device when the device is assigned to an address other than one of the addresses 0 to 30 Thi...

Page 164: ... out whether each command is performed in parallel or sequentially See section 14 2 6 Synchronization with the Controller and section 14 3 23 Functions performed until a message indicating completion of the command is displayed See the function description of each command in section 14 3 and the corresponding chapters ...

Page 165: ...This instrument executes commbìts one by one according to the order in which they are received Program message units are delimited by a For a description of the format of the program message unit see the explanation given further below Example Unit Unit CONFIGURE MODE RMS FILTER ON PMT PMT PMT is a terminator used to terminate each program message The following three types of terminator are availa...

Page 166: ... are used they must be separated by a comma Example Data Header Data 500 0E 03 RMT CONFIGURE MODE RMS RMT If a program message contains more than one query responses are made in the same order as the queries Normally each query returns only one response message unit but there are some queries which return more than one response message unit The first response message unit always responds to the fi...

Page 167: ...s shown below An asterisk must always be attached to the beginning of a command Mnemonic An example of a common command CLS Compound Header Commands designed to be used only with this instrument are classified and arranged in a hierarchy according to their function The format of a compound header is illustrated below A colon must be used when specifying a lower level header Mnemonic An example of ...

Page 168: ... query groups comprising more than three hierarchical levels can output all their lower level settings Example INTEGRATE PMT INTEGRATE MODE NORMAL TIMER 0 0 0 In reply to a query a response can be returned as a program message to this instrument Header Interpretation Rules This instrument interprets the header received according to the following rules Mnemonics are not case sensitive Example FUNCt...

Page 169: ...EMENT1 100 Voltage Current Physical value Example Voltage range CONFigure VOLTage RANge 150V Register Register value expressed as either binary octal decimal or hexadecimal Example Extended event register value STATus EESE HFE Character data Specified character string mnemonic Can be selected from Example Selecting measurement mode CONFigure MODE RMS VMEan DC Boolean Indicates ON OFF Set to ON OFF...

Page 170: ...o indicate options and is chosen from the character strings given in For interpretation rules see Header Interpretation Rules on page 14 6 Form Example RMS VMEan DC RMS As with a header the COMMunicate VERBose command can be used to return a response message in its full form Alternatively the abbreviated form can be used The COMMunicate HEADer command does not affect character data Boolean Boolean...

Page 171: ...he extended event register Changes in the condition register are reflected in the extended event register section 14 4 Example STATus FILTer1 FALL STATus EESE 1 EESR SRE8 CONFigure VOLTage RANGe 60V PMT Service request is awaited MEASure NORMal VALue PMT STATus FILTer1 FALL indicates that the transit filter is set so that bit 0 is set to 1 when bit 0 FILTer 1 of the condition register is changed f...

Page 172: ...4 18 CONFigure CURRent AUTO Sets queries the current auto range ON OFF 14 18 CONFigure CURRent ESCaling Queries all settings related to the external sensor 14 18 CONFigure CURRent ESCaling ELEMent x Sets queries the scaling constants for the external sensor 14 18 CONFigure CURRent RANGe Sets queries the current range 14 19 CONFigure FILTer Sets queries the filter ON OFF 14 19 CONFigure MHold STATe...

Page 173: ...mputing equation of the crest factor 14 24 MATH TYPE Sets queries the computing equation 14 24 MEASure Group MEASure Queries all settings related to measurement computation data 14 26 MEASure HARMonics Queries all settings related to harmonic analysis data 14 26 MEASure HARMonics ITEM Queries all settings related to the output items of harmonic analysis data 14 26 MEASure HARMonics ITEM PRESet Set...

Page 174: ...tput in case of normal measurement 14 34 RELay NCHannel x THReshold Sets queries the threshold level for the relay output item 14 34 RELay STATe Sets queries the comparator function ON OFF 14 34 SAMPle Group SAMPle Queries all settings related to sampling 14 35 SAMPle HOLD Sets queries to hold the output of data display communication 14 35 STATus Group STATus Queries all settings related to the st...

Page 175: ...zes the present settings 14 39 SRE Sets queries the value of the service request enable register 14 39 STB Queries the value of the status byte register 14 40 TRG Executes the same operation as the TRIG SHIFT HOLD key 14 40 TST Executes a self test and queries the results 14 40 WAI This command is not supported by this instrument 14 40 Note In the following pages the character strings used in the ...

Page 176: ...yntax AOUTput Example AOUTPUT AOUTPUT CHANNEL1 V 1 CHANNEL2 A 1 CHANNEL3 W 1 CHANNEL4 VHZ 1 IRTIME 1 0 0 AOUTput CHANnel x Function Sets the D A output item or queries the current setting Syntax AOUTput CHANnel x normal measurement function NRf ELEMent 1 OFF x 1 to 4 for DA4 normal measurement function V A W VA VAR PF DEGRee VHZ AHZ WH WHP WHM AH AHP AHM MATH VPK APK Example AOUTPUT CHANNEL1 V 1 A...

Page 177: ...ries all the communication settings Syntax COMMunicate Example COMMUNICATE COMMUNICATE HEADER 1 VERBOSE 1 COMMunicate HEADer Function Determines whether a header is to be added for example CONFIGURE VOLTAGE RANGE 150 0E 00 or not for example 150 0E 00 when sending a response to a query or queries the current setting Syntax COMMunicate HEADer Boolean COMMunicate HEADer Example COMMUNICATE HEADER ON...

Page 178: ... 1 COMMunicate WAIT Function Waits until one of the specified extended event occurs Syntax COMMunicate WAIT Register Register 0 to 65535 For a description of the extended event register see page 14 41 Example COMMUNICATE WAIT 65535 Description For a description of synchronization using COMMunicate WAIT see page 14 9 COMMunicate WAIT Function Generates a response when one of the specified extended ...

Page 179: ...for PnLrSt on the front panel The external sensor input range and external sensor scaling constants are only vald if equipped with the external sensor option EX1 or EX2 CONFigure WIRing Space P1W2 P1W3 P3W3 P3W4 V3A3 MODE Space RMS VMEan DC VOLTage RANGe Space AUTO Space OFF ON NRf CURRent RANGe Space EXTernal AUTO Space OFF ON NRf ESCaling ELEMent x Space NRf FILTer Space OFF ON NRf SCALing STATe...

Page 180: ...EAR 8 CONFIGURE AVERAGING TYPE CONFIGURE AVERAGING TYPE LINEAR 8 CONFigure CURRent Function Queries all setting values relating to the current range external sensor range Syntax CONFigure CURRent Example CONFIGURE CURRENT CONFIGURE CURRENT RANGE 20 0E 00 AUTO 1 ESCALING ELEMENT1 50 00E 00 CONFigure CURRent AUTO Function Sets the current auto range ON OFF or queries the current setting Syntax CONFi...

Page 181: ... 000E 00 CONFIGURE SCALING CT ELEMENT1 1 000E 00 CONFIGURE SCALING SFACTOR ELEMENT1 1 000E 00 CONFigure SCALing PT CT SFACtor Function Queries all scaling constants related to voltage current power Syntax CONFigure SCALing PT CT SFACtor Example CONFIGURE SCALING PT CONFIGURE SCALING PT ELEMENT1 1 000E 00 CONFigure SCALing PT CT SFACtor ELEMent x Function Sets the scaling constant for voltage curre...

Page 182: ... 150 300 600V Example CONFIGURE VOLTAGE RANGE 600V CONFIGURE VOLTAGE RANGE Æ CONFIGURE VOLTAGE RANGE 600 0E 00 CONFigure WIRing Function Sets the wiring method queries the current setting Syntax CONFigure WIRing P1W2 CONFigure WIRing Example CONFIGURE WIRING P1W3 CONFIGURE WIRING Æ CONFIGURE WIRING P1W3 Description The wiring method is as follows P1W2 Single phase two wire method 14 3 Commands ...

Page 183: ...es the current setting Syntax DISPlay x RESolution HIGH Low DISPlay x RESolution x 1 to 3 1 Display A 2 Display B 3 Display C Example DISPLAY1 RESOLUTION LOW DISPLAY1 RESOLUTION DISPLAY1 RESOLUTION LOW Description x will be ignored The contents of all the displays A to C will be received DISPlay x Function Queries all the display settings Syntax DISPlay x x 1 to 3 1 Display A 2 Display B 3 Display...

Page 184: ...ARMONICS DISPLAY ORDER 1 HARMonics DISPlay ORDer Function Sets the order of the harmonic component to be shown on display B queries the current setting Syntax HARMonics DISPlay ORDer NRf HARMonics DISPlay ORDer NRf 1 to 50 Example HARMONICS DISPLAY ORDER 1 HARMONICS DISPLAY ORDER HARMONICS DISPLAY ORDER 1 HARMonics ELEMent Function Sets the element for harmonic analysis queries the current setting...

Page 185: ...tax INTEGrate STARt Example INTEGRATE START INTEGrate STOP Function Stops integration Syntax INTEGrate STOP Example INTEGRATE STOP INTEGrate TIMer Function Sets the integration timer queries the current setting Syntax INTEGrate TIMer NRf NRf NRf S t r i n g NRf NRf NRf 0 0 0 to 10000 0 0 String HHHHH MM SS HHHHH hours MM minutes SS seconds Example INTEGRATE TIMER 10 0 0 INTEGRATE TIMER 10 00 00 IN...

Page 186: ...command is void if MATH TYPE AVERage is not specified MATH CFACtor Function Sets queries the computing equation of the crest factor Syntax MATH CFACtor V A NRf ELEMent x x 1 MATH CFACtor Example MATH CFACTOR V 1 MATH CFACTOR MATH CFACTOR V 1 Description If MATH TYPE is not set to CFACtor this command will be meaningless MATH TYPE Function Sets queries the computing equation Syntax MATH TYPE CFACto...

Page 187: ...elated commands Settings related to the measurement computation data output items and the data format output format are valid only when the communication mode is set to 488 2 The settings related to the communication output items of measurement and computation data are retained independently from the settings of items used when the communication mode is set to some other mode than 488 2 MEASure NO...

Page 188: ...AL ITEM V ELEMENT1 1 MEASURE NORMAL ITEM A ELEMENT1 1 MEASURE NORMAL ITEM W ELEMENT1 1 MEASURE NORMAL ITEM VA ELEMENT1 0 MEASURE NORMAL ITEM VAR ELEMENT1 0 MEASURE NORMAL ITEM PF ELEMENT1 0 MEASURE NORMAL ITEM DEGREE ELEMENT1 0 MEASURE NORMAL ITEM VHZ ELEMENT1 0 MEASURE NORMAL ITEM AHZ ELEMENT1 0 MEASURE NORMAL ITEM WH ELEMENT1 0 MEASURE NORMAL ITEM WHP ELEMENT1 0 MEASURE NORMAL ITEM WHM ELEMENT1 ...

Page 189: ... 0 MEASURE NORMAL ITEM VAR ELEMENT1 0 MEASURE NORMAL ITEM PF ELEMENT1 0 MEASURE NORMAL ITEM DEGREE ELEMENT1 0 MEASURE NORMAL ITEM VHZ ELEMENT1 0 MEASURE NORMAL ITEM AHZ ELEMENT1 0 MEASURE NORMAL ITEM WH ELEMENT1 0 MEASURE NORMAL ITEM WHP ELEMENT1 0 MEASURE NORMAL ITEM WHM ELEMENT1 0 MEASURE NORMAL ITEM AH ELEMENT1 0 MEASURE NORMAL ITEM AHP ELEMENT1 0 MEASURE NORMAL ITEM AHM ELEMENT1 0 MEASURE NORM...

Page 190: ...VALue Function Queries normal measured computed data set by commands other than MEASure NORMal ITEM Syntax MEASure NORMal VALue Example MEASURE NORMAL VALUE 10 04E 00 10 02E 00 10 03E 00 49 41E 00 Description The renewal of normal measured computed data output here occures when bit0 UPD of the condition register see section 14 4 changes from high to low For details see 14 2 6 Synchronization with ...

Page 191: ...d by a space In case of overrange or computation over 9 9E 37 will be output i e in case the display shows oL oF PFErr dEGEr ErrLo or ErrHi In case no data is present i e the display shows 9 91E 37 NAN will be output The elapsed time of integration is output as hours minutes seconds in the NR1 format Example 999 59 59 Output Format of Normal Measured Computed Data The communication output is set O...

Page 192: ...t data or frequency of PLL source SYNChronize are output according to the following order of priority Besides in case of recalling normal measurement or integration data the data number will be output in NR1 format as well 0 Data number in case of recalling 1 Frequency of PLL source SYNChronize 2 VTHD 3 V 4 VCON 5 ATHD 6 A 7 ACON 8 PF 9 W 10 WCON 11 VDEG 12 ADEG Harmonic analysis data will be outp...

Page 193: ...00 0 62E 00 0 00E 00 0 41E 00 0 00E 00 0 30E 00 0 00E 00 0 22E 00 0 00E 00 0 17E 00 0 00E 00 0 14E 00 0 00E 00 0 12E 00 0 00E 00 0 09E 00 0 00E 00 0 08E 00 0 00E 00 0 07E 00 0 01E 00 0 06E 00 0 00E 00 0 05E 00 0 00E 00 0 04E 00 0 00E 00 0 05E 00 0 00E 00 0 03E 00 0 00E 00 0 03E 00 0 01E 00 0 03E 00 0 00E 00 0 03E 00 0 00E 00 0 02E 00 0 00E 00 0 02E 00 0 00E 00 0 02E 00 0 00E 00 0 06E 00 11 09E 00 ...

Page 194: ...the interval becomes 250ms in case of normal measurement and 1s in case of harmonic analysis RECall PANel Function Retrieves the setting parameters file Syntax RECall PANel NRf NRf 1 to 4 file number Example RECALL PANEL 1 RECall STATe Function Turns recalling ON OFF queries the current setting Syntax RECall STATe Boolean RECall STATe Example RECALL STATE ON RECALL STATE RECALL STATE 1 14 3 10 REC...

Page 195: ...to the comparator function Syntax RELay Example RELAY RELAY STATE 0 MODE SINGLE NCHANNEL1 FUNCTION V 1 THRESHOLD 600 0E 00 RELAY NCHANNEL2 FUNCTION A 1 THRESHOLD 20 00E 00 RELAY NCHANNEL3 FUNCTION W 1 THRESHOLD 1 200E 03 RELAY NCHANNEL4 FUNCTION PF 1 THRESHOLD1 000E 00 RELAY HCHANNEL1 FUNCTION V 1 1 THRESHOLD 600 0E 00 RELAY HCHANNEL2 FUNCTION A 1 1 THRESHOLD 20 00E 00 RELAY HCHANNEL3 FUNCTION W 1...

Page 196: ...our significant digits RELay MODE Function Sets the mode of the comparator function queries the current setting Syntax RELay MODE SINGle DUAL RELay MODE Example RELAY MODE DUAL RELAY MODE RELAY MODE DUAL 14 3 Commands RELay NCHannel x Function Queries all settings related to the relay output items in case of normal measurement Syntax RELay NCHannel x x 1 to 4 Example RELAY NCHANNEL2 RELAY NCHANNEL...

Page 197: ...D Function Sets to hold the output of data display communication queries the current setting Syntax SAMPle HOLD Boolean SAMPle HOLD Example SAMPLE HOLD ON SAMPLE HOLD SAMPLE HOLD 1 14 3 Commands 14 3 12 SAMPle Group The commands in the SAMPle group are used to make settings relating to and inquiries about sampling You can make the same settings as when using the HOLD key on fhe front panel SAMPle ...

Page 198: ... settings relating to and inquiries about the communication status There is no corresponding operation using the front panel See sectiono 14 4 for status reports STATus CONDition EESE Space Register EESR ERRor FILTer x Space RISE FALL BOTH NEVer QMESsage Space OFF ON NRf SPOLl STATus EESE Function Sets the extended event register queries the current setting Syntax STATus EESE Register STATus EESE ...

Page 199: ...ing data Syntax STORe Example STORE STORE STATE 0 INTERVAL 0 0 0 STORe INTerval Function Sets the interval for storage queries the current setting Syntax STORe INTerval NRf NRf NRf String STORe INTerval NRf NRf NRf 0 0 0 to 99 59 59 String HH MM SS HH hour MM min SS sec Example STORE INTERVAL 0 0 0 STORE INTERVAL 00 00 00 STORE INTERVAL STORE INTERVAL 0 0 0 Description If the storage interval is s...

Page 200: ...rring the standard event enable register see section 14 4 14 3 15 Common Command Group The commands in the common command group are independent of the instrument s functions and are specified in IEEE 488 2 1987 There is no front panel key that corresponds to this group CLS ESE Space NRf ESR CAL IDN OPT PSC Space NRf RST SRE Space NRf STB TRG WAI OPC OPC TST CAL Function Performs zero level compens...

Page 201: ...stalled OPT must always be the last query in program message If there is another query after this an error will occur 14 3 Commands PSC Function Selects whether or not to clear the following registers when turning ON the power or queries the current setting The registers are the standard event enable register the extended event enable register and the transition filter However they cannot be clear...

Page 202: ...e status byte register see section 14 4 TRG Function Executes the same operation as the TRIG SHIFT HOLD key on the front panel Syntax TRG Description Executes the same operation as when using the multi line message GET Group Execute Trigger TST Function Executes a self test and queries the result All internal memory boards are tested Syntax TST Example TST 0 Description 0 will be returned when the...

Page 203: ...in IEEE 488 2 1987 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Condition filter Transit filter Extended event register 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Extended event enable register 7 6 5 4 3 2 1 0 Standard event register 7 6 5 4 3 2 1 0 Standard event enable register OR OR 7 6 ESB MAV EES EAV 1 0 Status byte MSS RQS Outpu...

Page 204: ...d the ESR query is used to check whether bits in that register are set to 1 or 0 For details of these commands see section 14 3 14 4 2 Status Byte Overview of Status Byte 7 6 ESB MAV EES EAV 1 0 RQS MSS Bits 0 1 and 7 Not used always 0 Bit 2 EAV Error Available Set to 1 when the error queue is not empty i e when an error occurs For details see page 14 45 Bit 3 EES Extended Event Summary Bit Set to...

Page 205: ...s a result the corresponding bits in the status byte are cleared except bit 4 MAV since the output queue cannot be emptied by the CLS command However the output queue will also be cleared if the CLS command is received just after a program message terminator 14 4 3 Standard Event Register Overview of the Standard Event Register URQ 6 PON 7 5 4 3 2 1 0 CME EXE DDE QYE RQC OPC Bit 7 PON Power ON Bit...

Page 206: ...r is as follows Bit 0 UPD Updating Set to 1 during updating of measurement data Bit 1 ITG Integrate busy Set to 1 during integration See figure on the next page Bit 2 ITM Integrate timer busy Set to 1 during the integration timer is being operated See figure on the next page Bit 3 OVRS Σ results overflow Set to 1 when the integration results of Σ overflow Display shows oF Bit 4 FOV Frequency over ...

Page 207: ...uired waveform the response data will be stored in the output queue until it is read out The example below shows that data is stored record by record in the output queue and is read out oldest item first newest item last The output queue is emptied in the following cases in addition to when read out is performed When a new message is received from the controller When dead lock occurs page 14 5 Whe...

Page 208: ...ALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error WRT FILTER OFF CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error WRT SCALING OFF AVERAGING OFF CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error set measurement range WRT VOLTAGE RANGE 150V CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error WRT CURRENT RANGE 5A CALL IBWRT DEV WRT IF ...

Page 209: ...of refreshing data WRT COMMUNICATE WAIT 1 CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error request output of measured data WRT MEASURE VALUE CALL IBWRT DEV WRT IF ibsta AND EERR THEN CALL gpiberr Ibwrt error read measured data RD SPACE 128 CALL IBRD DEV RD IF ibsta AND EERR THEN CALL gpiberr Ibrd error C RD FOR J 0 TO 3 L INSTR C B INSTR C IF B 0 THEN B INSTR C CHR 10 LF D J LEFT...

Page 210: ...IBSTA AND EERR THEN CALL gpiberr Ibwrt error WRT MEASURE HARMONICS ITEM SYNCHRONIZE ON ATHD ON A ON CALL IBWRT DEV WRT IF IBSTA AND EERR THEN CALL gpiberr Ibwrt error set filter to detect completion of refreshing data WRT STATUS FILTER1 FALL CALL IBWRT DEV WRT IF IBSTA AND EERR THEN CALL gpiberr Ibwrt error read display measured data PRINT FOR I 1 TO 10 clear extended event register WRT STATUS EES...

Page 211: ...1987 Standard 14 display analyzed data PRINT V1 FREQ D 0 PRINT A1 THD IEC D 1 PRINT A1 RMS D 2 FOR J 1 TO 50 STEP 2 PRINT A1 Order STR J D J 2 PRINT A1 Order STR J 1 D J 3 NEXT J PRINT NEXT I Call the IBONL function to disable the hardware and software CALL IBONL DEV 0 END 14 5 Sample Program ...

Page 212: ...6F 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114...

Page 213: ... 14 3 114 Header suffix out of range Check the header Section 14 3 120 Numeric data error Mantissa must be entered before the numeric value in NRf format 14 7 123 Exponent too large Use a smaller exponent in NR3 format 14 8 Section 14 3 124 Too many digits Limit the number of digits to 255 or less 14 8 Section 14 3 128 Numeric data not allowed Enter in a format other than NRf format 14 8 Section 1...

Page 214: ...EEE488 2 278 Macro header not found Does not conform to the macro definition specified in IEEE488 2 Error in communication query 400 to 499 Code Message Action Reference Page 410 Query INTERRUPTED Check transmission reception order 14 4 420 Query UNTERMINATED Check transmission reception order 14 4 430 Query DEADLOCKED Limit the length of the program message including PMT to 14 5 1024 bytes or les...

Page 215: ...Then let the instrument warm up for at least 30 minutes Preparing the AC voltage current standard and DMM 4 Allow a warm up time of at least one hour for the AC voltage current standard and if necessary DMM Operating Keys The keys to be used for carrying out adjustments are as follows ENTER Press this key to confirm every adjustment of each range SHIFT Returns to the previous screen when aborting ...

Page 216: ...play C stabilizes 5 Display B will change to 1 000 A 6 Set the output of the standard to 1 000 A 7 Press the ENTER key after the value on Display C stabilizes 8 Display B will change to 10 00 A 9 Set the output of the standard to 10 000 A 10 Press the ENTER key after the value on display C stabilizes 11 Turn the output of the standard OFF 12 Press the SHIFT key and display C will change to rAnGE T...

Page 217: ...m that point a voltage of approx 5 V will be output from the connector 2 Press the V RANGE or A RANGE key to move the blinking digit of display C Then using the or key adjust the blinking value to the value displayed at the DMM 3 After having adjusted all digits of display C press the ENTER key 5 000 V will appear on display C and a voltage of approx 5 V will be output from the connector 4 Carry o...

Page 218: ...A output adjustment mode m 1 to 4 n actual output value DO0 Outputs 5 V in D A output adjustment mode DO1 Outputs 5 V in D A output adjustment mode OD Requests the output of measurement data and sets the output format to normal measurement default ENT Corresponds to the ENTER key operation confirming the adjustment value CAN Corresponds to the RESET key operation ignoring the adjustments END Corre...

Page 219: ...200A 5220A Digital Power Meter recommended Yokogawa WT2000 or 2531 2ch Synchronizer recommended Yokogawa FG120 Calibration of DC Voltage Current and Power Wiring Connect the DC voltage and DC current standard as follows H L H L V A H L EXT A EUT Equipment under test Direct input DC voltage standard DC Amp External sensor input equipped with option EX1 EUT DC voltage standard H L EXT A External sen...

Page 220: ...on this instrument shows the rated range 5 Read the output voltage or current setting value of the voltage standard and treat this as the reference 6 Verify that the power factor value displayed on this instrument shows the rated value The product of the voltage setting value and the current setting value of the voltage standard is the calibrated power factor value Note Before carrying out the cal...

Page 221: ...as follows H L H L V A V A EUT H L EXT A Direct input EUT Equipment under test AC voltage standard Synchronizer Digital power meter AC voltage standard External sensor input equipped with option EX1 Change as follows for wiring currents only Synchronizer AC voltage standard EUT H L EXT External sensor input equipped with option EX2 Change as follows for wiring currents only Synchronizer AC voltage...

Page 222: ... Note Before starting the above described calibration verify that the accuracy of this instrument lies within the specifications Adjust the output of the standard to the rated range value of this instrument then read the displayed voltage or current value on this instrument and verify that this value lies within the specifications Slightly change the phase angle of ch2 of the synchronizer current ...

Page 223: ...put of the voltage standard OFF Verifying the Comparator Output Function Preparation 1 Connect the voltage standard to the voltage terminal of this instrument 2 Set the range of this instrument to 15 V 3 Set the comparator output to V1 for each channel 4 Set the comparator setting value to 10V for each channel Calibrating 1 Set the output of the voltage standard so that the displayed value on this...

Page 224: ... voltage standard to 900 Hz the output voltage to 15 V and output the voltage 4 Set the displayed number on display A of this instrument to 15 5 Set the display function of display B to V and verify that the displayed value lies within the specifications 6 If required change the ch1 setting of the synchronizer and the frequency of the current standard and verify another number 7 Turn the output of...

Page 225: ...s turned ON of this instrument and the AC outlet Is the input power voltage within the allowed range Displayed data is odd Is there a possibility of noise 3 2 Are measurement leads connected correctly 3 3 to 3 8 Is the filter OFF 4 3 Are the ambient temperature and humidity within the allowed range 16 2 Keys do not function properly Is the REMOTE indicator LED off 10 2 Instrument cannot be control...

Page 226: ...memory Store data in the internal Ch 8 memory or select the proper file to be stored 33 No space to store data in the internal memory 8 1 41 Attempted to start integration while there is Reset integration 6 3 an overflow condition Attempted to start integration after integration time has reached its preset value 42 Attempted to start integration while integration is 6 4 in progress 43 Measurement ...

Page 227: ...munications failure Service is required 75 DSP1 program RAM failure Service is required 76 DSP2 program RAM failure Service is required 77 DSP3 program RAM failure Service is required 79 ROM checksum error Service is required 80 RAM read write check error Service is required 81 DSP1 data RAM error Service is required 82 DSP2 data RAM error Service is required 83 DSP3 data RAM error Service is requ...

Page 228: ...nside the case If you believe the fuse inside the case is blown contact your nearest YOKOGAWA dealer as listed on the back cover of this manual The ratings of the fuse that is used inside the case are shown below Location Max Rated Voltage Max Rated Current Type Approved Standard Part No Main board 250 V 1 A Time lag UL VDE S9564VK ...

Page 229: ...ts Name Specifications and Recommended Replacement Period Current input relay This is the relay used to switch the current input circuit The specifications of the relay are as follows Rated contact capacity 250 VAC 25 A resistive load Electric switching life Approx 100 000 times at rated capacity Mechanical life Approx 5 000 000 times Comparator function relay This relay operates in the comparator...

Page 230: ...ge maximum ratio at 600 Vrms between Voltage input terminals short input terminals and case Reference value 50 kHz max maximum range rating range rating 0 001 f of range or less 0 01 or more the unit f kHz Input terminals Binding posts A D conversion Simultaneous sampling of voltage and current inputs Resolution 12 bits Maximum conversion rate approx 22 µs approx 45 kHz Range switching Range can b...

Page 231: ...mum 600 Vrms when the protective cover for the output connector is used CAT II common mode voltage 400 Vrms when the protective cover for the output connector is removed CAT II at 50 60 Hz Common mode rejection 50 60 Hz better than 80 dB 0 01 of range maximum ratio at 600 Vrms between Current input terminals open input terminals and case Reference value 50 kHz max 0 001 f of rng Maximum range rati...

Page 232: ...eference value Supply voltage 20 kHz f 50 kHz 0 5 of rdg 0 5 of rng 0 15 f 10 of rdg Specified Voltage 5 Input waveform Sine wave Common mode voltage 0 VDC Filter ON at 200 Hz or less Scaling OFF This accuracy are guaranteed by YOKOGAWA calibration system Note The unit f in accuracy expressions is kHz Effective input range With the input range at 10 to 110 the above specified accuracy is valid Wit...

Page 233: ...s Scaling OFF This accuracy are guaranteed by YOKOGAWA calibration system Note The unit f in accuracy expressions is kHz Effect of power factor cosϕ 0 45 Hz f 66 Hz add 0 25 of range Reference data up to 50 kHz add 0 23 0 4 f kHz of range 1 cosϕ 0 add the product of tanϕ and the effect on cosϕ 0 Note The ϕ is the phase angle between the voltage and current and the f is frequency Effective input ra...

Page 234: ...2 Reactive Power var Power Factor PF Phase Angle deg W VA Computating range Depends on the selected V and A ranges Depends on the selected V and A ranges Same as apparent power var 0 1 to 0 to 1 180 to 0 to 180 Computing accuracy for the value operated from the measured value 0 005 of VA range 0 005 of var range 0 0005 Resolution power factor 0 0005 99999 99999 99999 1 0000 180 0 W VA Display reso...

Page 235: ...an be selected and for moving averaging the number of averages N can be set to 8 16 32 or 64 Peak over range display The alarm LED will light up when the RMS value is greater than 140 of the range or the peak value is greater than 300 of the range 16 7 Integrator Function Item Specification Display resolution Depending on elapsed time value the resolution will be changed Maximum display 99999 to 9...

Page 236: ... 4 when the DA4 option is installed Output current 1 mA Output data selection Can be selected for each channel Accuracy Display accuracy 0 2 of range Update rate Identical to display update interval Temperature coefficient 0 05 of rng C 16 10 External Input optional Item Specification Either EX1 or EX2 can be selected as a voltage output type current sensor EX1 10 V 5 V 2 5 V EX2 200 mV 100 mV 50 ...

Page 237: ... be analyzed V A W deg Each harmonic components Total Vrms Total Arms Total effective power PF of the fundamental Phase angle of fundamental For each harmonic phase angle related to the fundamental Total harmonic distortion ratio in and contents ratio in However a simultaneous analysis can be made for a specified input module Sampling speed method The sampling speed depends on the fundamental freq...

Page 238: ...150 Hz sweep all 3 directions for 1 minute Endurance test Frequency 16 7 Hz all 3 directions amplitude of 4 mm for 2 h Impact condition Impact test Acceleration at 490 m s2 all 3 directions Free fall test Height 100 mm 1 time for each 4 sides Power consumption 25 VA maximum Power supply 120 VAC 35 VA maximum Power supply 240 VAC External dimensions Approx W H D 213 88 350 mm 8 3 8 3 1 2 13 3 4 inc...

Page 239: ...ck Protruding from rack Protruding from rack 20 20 20 250 213 179 88 19 73 23 356 480 460 99 50 24 5 99 50 24 5 485 462 480 460 485 463 88 44 5 21 8 88 44 5 21 8 20 11 6 8 11 6 8 6 8 6 8 Unless other wise spcified tolerance is 3 However tolerance is 0 3 mm when below 10 mm 0 3 0 0 2 1 1 1 1 1 1 1 1 0 2 0 2 0 2 0 3 0 0 3 0 0 3 0 ...

Page 240: ...egister 14 44 external dimensions 16 9 16 10 external sensor input 4 11 external sensor input terminal 2 1 Symbols 24 pin connector iii 2533E commands 13 21 2533E setting command 13 1 488 2 mode 10 1 11 1 A A D converter 1 1 accessories standard iii accuracy of D A converter 16 7 accuracy of frequency 16 4 accuracy of harmonics 16 8 accuracy of integrator 16 6 accuracy of power 16 4 accuracy of vo...

Page 241: ...ode 6 5 integration time 6 5 integration timer 6 5 interruption during measurement 2 3 interval 8 2 8 3 11 8 K keys 2 2 L limit item 9 13 limit value 9 13 listener 10 1 M malfunction check items during 15 11 manual integration 6 1 MAX hold 1 2 4 14 maximum allowable input 5 2 maximum order 7 7 measurement circuit 3 8 3 9 3 10 measurement interruption during 2 3 measurement mode 4 1 measurement ran...

Page 242: ...integration 6 2 replacement parts 15 15 replacement period 15 15 Response data 14 4 Response header 14 4 response messages 14 4 RS 232 C connector 2 1 RS 232 C interface specifications 11 2 Rubber feet iii S safety standard 16 9 sample program 13 13 14 46 scaling 4 9 4 11 sensor input 4 11 setting parameters backup 1 4 signal names 11 3 single mode 9 7 standard accessories iii standard event regis...

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