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Yokogawa Electric Corporation

Digital Power Meter

IM253401-01E

3rd Edition

Содержание WT110

Страница 1: ...Yokogawa Electric Corporation Digital Power Meter IM253401 01E 3rd Edition ...

Страница 2: ...ATH function described in this manual apply to WT110 WT130 with ROM version 2 01 or later The contents of this manual 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...

Страница 3: ...e C2 RS 232 C interface Power voltage 0 100 120V 220 240V Power cord D Maximum rated voltage 125V Maximum rated current 7A F VDE Standard Power Cord Part No A1009WD Maximum rated voltage 250V Maximum rated current 10A J BS Standard Power Cord Part No A1023WD Maximum rated voltage 250V Maximum rated current 5A R SAA Standard Power Cord Part No A1024WD Maximum rated voltage 240V Maximum rated curren...

Страница 4: ...er Ferrite core A1179MN 1 for WT110 only 1 One of the power cords is supplied according to the instrument s suffix code 3 4 D F J R 2 5 6 Optional Equipment The following optional equipment is available Upon receiving any optional equipment make sure that all the items ordered have been supplied and they are in good condition If you have any questions regarding optional equipment or if you wish to...

Страница 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 fullowing 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...

Страница 6: ...t 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 power External Connection To ground securely connect...

Страница 7: ...ase angle Chapter 7 Integrating Explains the procedures for integration of active power and current Chapter 8 Using the Harmonic Analysis Function option Explains the procedures when using the harmonic analysis function Chapter 9 Storing Recalling Explains the procedures when storing or recalling measured data or setting parameters from the internal memory Chapter 10 Using External In Output Expla...

Страница 8: ... keys and indicators to carry out the operation Operating Procedure The procedure is explained by a flow diagram For the meaning of each operation refer to the example below The operating procedures are given with the assumption that you are not familiar with the operation Thus it may not be necessary to carry out all the steps when changing settings Explanation Describes settings and restrictions...

Страница 9: ... Selecting the Wiring Method for WT130 3 15 3 10 Improving the Measurement Accuracy 3 16 Chapter 4 Setting Measurement Conditions 4 1 Selecting the Measurement Mode 4 1 4 2 Turning the Filter ON OFF 4 3 4 3 Selecting the Measurement Range in case of Direct Input 4 4 4 4 Setting the Scaling Value when External PT CT is Used 4 6 4 5 Selecting the Measurement Range and Setting the Scaling Value when ...

Страница 10: ...onnector optional 10 1 10 2 Remote Control optional 10 2 10 3 D A Output optional 10 3 10 4 Comparator Function optional 10 7 10 5 Setting the Comparator Mode optional 10 9 10 6 Setting the Comparator Limit Values optional 10 10 10 7 Comparator Display optional 10 14 10 8 Turning the Comparator Function ON OFF optional 10 16 10 9 Outputting to an External Plotter Printer 10 17 Chapter 11 GP IB Int...

Страница 11: ...4 Total Harmonic Analysis Function optional 15 3 15 15 External Dimensions 15 4 Appendix 1 Communication Commands before the IEEE488 2 1987 Standard App 1 1 Commands App1 1 App 1 2 Sample Program App1 10 App 1 3 For Users Using Communication Commands of Digital Power Meter 2533E App1 15 Appendix 2 Communication Commands according to the IEEE488 2 1987 Standard App 2 1 Overview of IEEE 488 2 1987 A...

Страница 12: ... Command Group App2 33 App 2 4 Status Report App2 35 2 4 1 Overview of the Status Report App2 35 2 4 2 Status Byte App2 36 2 4 3 Standard Event Register App2 37 2 4 4 Extended Event Register App2 38 2 4 5 Output Queue and Error Queue App2 39 App 2 5 Sample Program App2 40 App 2 6 ASCII Character Codes App2 42 App 2 7 Communication related Error Messages App2 43 Index ...

Страница 13: ...t input circuit one shunt resistor is used to form a closed circuit The voltage between both ends of the shunt resistor is amplified and formalized by an operational amplifier and then sent 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 al...

Страница 14: ...er and this circuit configuration varies by phase and number of electrical wires model number of elements wiring method 253401 1 single phase two wire 1Φ2W 253502 2 single phase two wire 1Φ2W single phase three wire 1Φ3W three phase three wire 3Φ3W 253503 3 single phase two wire 1Φ2W single phase three wire 1Φ3W three phase three wire 3Φ3W three phase four wire 3Φ4W three voltage three current 3V3...

Страница 15: ...urrent Measuring range is from 10Hz to 50kHz however depending on the internal timing of the instrument measurement might be carried out in the range from 4Hz to 10Hz also Harmonic Analysis Function option This function enables computation of voltage current active power and so forth of up to the 50th order the relative harmonic content of harmonic orders and the phase angle of each order compared...

Страница 16: ... options DA4 DA12 are installed Outputs continuously from integration start through integration stop Communication Functions Either a GP IB or RS 232 C interface is provided as standard according to the custormer s preference Measured computed data of up to 14 channels can be output It is also possible to control this instrument from the personal computer Output Function to an External Plotter Pri...

Страница 17: ...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 Display C V RANGE 2 Display C A RANGE 2 When equipped with option EX1 Display C When equipped with option EX2 Display C 2 2 1 Voltage Range Setting 1 Current Range Setting Display C SETUP 2 Filter setting Averaging setting Scaling s...

Страница 18: ...IFT SETUP OUTPUT Display C 2 Setting comm plotter printer output Execute plotter printer output Setting D A output Comparator setting relay output setting 1 Setting Output SHIFT LOCAL INTERFACE Display C 2 Setting addressable mode A Setting addressable mode B Setting talk only mode Print mode setting setting plotter printer output 1 Setting Communication Interface GP IB Setting communication comma...

Страница 19: ... 2 2 function unit display page 3 9 3 10 External sensor input terminal power switch page 3 13 power connector page 3 12 power connector page 3 12 power fuse page 14 13 page 3 9 3 10 External sensor input terminal Voltage input terminal page 3 5 to 3 8 Voltage input terminal page 3 5 to 3 8 Current input terminal page 3 5 to 3 8 Current input terminal page 3 5 to 3 8 GP IB or RS 232 C connector ch...

Страница 20: ...he set range function value Moves the cursor of a value from left to right Moves the decimal point from left to right SHIFT SHIFT HOLD SHIFT HOLD SHIFT HARMONICS START SHIFT MEMORY STOP SHIFT MODE V RANGE A RANGE V RANGE Shows the voltage range setting menu page 4 4 Shows the current range setting menu page 4 4 4 8 Switches between modes page 4 1 AUTO indicator Lights up when range is AUTO FUNCTIO...

Страница 21: ...t 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 Ch 11 12 Shows the setting menu for communication output items D A output plotter printer output and comparator output Ch 10 to 12 For settings such as initializing settings filter average scaling and ext sensor input ...

Страница 22: ...ent 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 which is input to the elements Display in case the measurement value is too small In case either the measured voltage or measured current drops below 0 5 o...

Страница 23: ...over of this manual 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 Then turn off the power switch and unplug the pow...

Страница 24: ...rument 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 15 Specifications If the ambient humidity of the installation site is 30 or below use an anti static mat to prevent gener...

Страница 25: ...g it approx 10mm from the turning axes on both sides For the WT130 remove the handle by first removing the covers of the handle and then unfastening the screws WT110 253401 WT130 253502 253503 Turning axis Turn the handle to position 8 and remove it by pulling it approx 10 mm from the turning axes on both sides Cover Cover Handle For more detailed information regarding the rack mount procedure ref...

Страница 26: ...ety reasons make sure that the bare end of the measurement lead wire connected to each input terminal does not protrude from the terminal Also make sure that the measurement lead wires are connected to the terminals securely The voltage ratings across the measuring voltage and current input and the ground for this instrument varies under operating conditions When protective covers are used on GP I...

Страница 27: ...ire with sufficient current capacity must be used for these lines Wiring diagram for single phase two wire system 253401 253502 253503 SOURCE LOAD A V Input terminal ELEMENT SOURCE LOAD SOURCE LOAD V A A V LOAD V V A A SOURCE A V Input terminal ELEMENT Wiring diagram for single phase three wire system 253502 253503 SOURCE LOAD SOURCE LOAD V A A V V V A A N 1 3 1 3 N A V Input terminal ELEMENT1 A V...

Страница 28: ...r wire system 253503 A V Input terminal ELEMENT3 LOAD SOURCE LOAD A A A A 1 3 R S T SOURCE S R T N V V 1 V V 3 V V 2 A A 2 N A V Input terminal ELEMENT1 A V Input terminal ELEMENT2 Wiring diagram for three voltage three current system 253503 LOAD SOURCE LOAD A A A A 1 3 R S T SOURCE S R T V V 1 V V 3 V V 2 A A 2 A V Input terminal ELEMENT3 A V Input terminal ELEMENT1 A V Input terminal ELEMENT2 3 ...

Страница 29: ... 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 20A connect an external current transformer CT and connect the secondary side of the CT to the current input terminals Wiring diagram for single phase two wire system with PT and CT connected 253401 253502 253503 SOURCE LOAD L CT PT ...

Страница 30: ...PT and CT connected 253503 SOURCE LOAD S T R L l CT PT V v L l CT PT V v L l CT PT V v N A V Input terminal ELEMENT1 A V Input terminal ELEMENT2 A V Input terminal ELEMENT3 Wiring diagram for three voltage three current system with PT and CT connected 253503 SOURCE LOAD S T R L l CT PT V v L l CT PT V v L l CT PT V v A V Input terminal ELEMENT1 A V Input terminal ELEMENT2 A V Input terminal ELEMEN...

Страница 31: ...measures since voltages will be present at the bare wires which constitutes a hazard CAUTION A load current flow in the thick lines shown in the diagrams therefore a wire with sufficient current capacity must be used for these lines Note The external sensor must be selected carefully and its frequency and phase characteristics taken into account The external sensor must be wired so that the area b...

Страница 32: ...ty when applying the clamp to the measurement circuit Using the scaling function enables direct reading of measured values on the display Refer to section 4 5 on page 4 8 Wiring diagram for single phase two wire system with external shunt connected 253401 253502 253503 SOURCE LOAD Connection side Ext shunt A OUT L OUT H Ext sensor input terminal EXT A V Input terminal ELEMENT Wiring diagram for si...

Страница 33: ...ystem with external shunt connected 253503 SOURCE LOAD A OUT L OUT H A OUT L OUT H R S T N A OUT L OUT H Ext sensor input terminal EXT A V Input terminal ELEMENT3 Ext sensor input terminal EXT A V Input terminal ELEMENT1 Ext sensor input terminal EXT A V Input terminal ELEMENT2 Wiring diagram for three voltage three current system with external shunt connected 253503 SOURCE LOAD A OUT L OUT H A OU...

Страница 34: ... since this will invalidate the protection feature 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 terminal only Rated su...

Страница 35: ...dresses may be found on the back cover of this 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 14 4 page 14 11 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 T...

Страница 36: ...ng on specs and options For WT110 For 253502 E 1 E 2 1 Display B Display C No display Version No display Only 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 2 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 va...

Страница 37: ...ENT1 ELEMENT3 1Φ3W 3Φ3W 3Φ4W 3V3A 1Φ3W Single phase three wire system 3Φ3W Three phase three wire system In case of a measurement circuit of single phase two wire system and having selected either element 1 or 3 selecting any of the above mentioned wring methods will result in correct measurement computation However the measurement computation results in case element Σ has been selected lose the p...

Страница 38: ...en if the input voltage is 600V iV becomes approx 0 3mA 600V 2MΩ If the instrumental error is assumed to be lower than 0 1 the measured current iL will be 300mA or higher load resistance is 2kΩ or lower If the input voltage is 10V iL is 5mA or higher The relationship between the input voltage and the measured current in cases where instrumental error is within 0 1 and 0 01 is given below as a refe...

Страница 39: ...t The initial value is RMS Indicator Voltage Current RMS Measures and displays true Measures and displays true RMS RMS value value 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...

Страница 40: ...tification 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 2π When duty D is applied 4 1 Selecting t...

Страница 41: ... ENTER Display C 4 2 5 End Perform operations following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want to leave the current menu during operation press the key described under step 1 The confirmed settings made until that point will be kept Explanation Filter Function The instrument will perform measurements after synchronizing to the cycle o...

Страница 42: ...tor Operating Procedure Display C 1 V RANGE ENTER 3 2 ENTER 3 Display C 1 A RANGE 2 End End Voltage Range Setting Current Range Setting Perform operations following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want to leave the current menu during operation press the key described under step 1 The confirmed settings made until that point will be...

Страница 43: ...the minimum range by pressing the key On the other hand when the range is set to the minimum you cannot move to auto range by pressing the key When the range is set to auto the range may be adjusted frequently if a waveform such as a pulse is input In such a case set the range manually Power Range The measuring range for active power apparent power and reactive power is determined as follows Wirin...

Страница 44: ...fer to section 2 2 page 2 2 2 3 Displays relevant keys and indicator Operating Procedure 1 Setting the Scaling Value Perform operations following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want to leave the current menu during operation press the key described under step 1 The confirmed settings made until that point will be kept ENTER 3 SETUP...

Страница 45: ...ld only be applied to element 1 EL2 Select this when the scaling values should only be applied to element 2 This selection will not appear on model 253502 EL3 Select this when the scaling values should only be applied to element 3 End Select this when you finished the setting or when you want to abort the setting Setting the Scaling Value The scaling values are set in the following order The setti...

Страница 46: ...ing Procedure SETUP ENTER 3 Select the external sensor function Display C 2 4 ENTER 5 ENTER 13 End ENTER 5 Select the setting function Display C Select all Display C Set element 1 Display A ENTER 9 6 7 8 Set element 2 Display B ENTER 11 Set element 3 Display C ENTER 9 End 6 up down 7 cursor shift 8 decimal point shift SHIFT SHIFT Same as step 6 to 8 mentioned above 10 Same as step 6 to 8 12 Same a...

Страница 47: ...lection will not appear on model 253502 The scaling value set at display C will be applied to element 3 only After having selected ALL or EACH and entered the scaling values press the ENTER key to end this scaling setting Selecting the Measurement Range Current with Scaling function ON After having set the scaling values select the menu for the current measurement range Select the rated output of ...

Страница 48: ... the WT130 For the differences between WT110 and WT130 refer to section 2 2 page 2 2 2 3 Displays relevant keys and indicator Operating Procedure Selecting the averaging function Display C ENTER 3 SETUP ENTER 7 Selecting the type Display B 2 6 4 Display C ENTER 5 8 Selecting the sample number Display C ENTER 9 End 1 Setting Averaging Perform operations following the thick line in the below menu Pr...

Страница 49: ...g 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 the measurement ...

Страница 50: ... 2 5 Perform operations following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want to leave the current menu during operation press the key described under step 1 The confirmed settings made until that point will be kept for WT130 only End Display C Selecting the four arithmetical operations function Display C Explanation Four Arithmetical Oper...

Страница 51: ...isplay A Display B Display C Wiring method W1 W2 or W3 W1 W2 Any or W1 W3 W1 W2またはW3 Converter Power loss Displays the result of display A display B Computation example 1 Display A Display B Display C Wiring method W1 W3 W1 W3 Any W3 W1 Converter Computation example 2 Display A Display B Display C Wiring method W W1 W3 W2 W W2 3Φ3W W2 W1 W3 Converter Computation example 3 Display A Display B Displ...

Страница 52: ...three phase wiring Displays the result of display A display B Computation example Display A Display B Display C Wiring method V1rms A3rms V1rms 3Φ3W A3rms A1rms A3rms A1rms A3rms V1 SOURCE LOAD V3 A1 A3 Impedance resistance and reactance Displays the result of display A display B 2 Computation example Display A Display B Display C Wiring method VA1 A1rms Z VA1 Any A1rms 2 W1 A1rms R W1 A1rms 2 Var...

Страница 53: ...key to confirm the selection or setting When you want to leave the current menu during operation press the key described under step 1 The confirmed settings made until that point will be kept Selecting the four arithmetical operations function Display C Display C for WT130 only End Explanation Crest factor computation The crest factor is determined by peak value rms value The crest factors for vol...

Страница 54: ... of the WT130 For the differences between WT110 and WT130 refer to section 2 2 page 2 2 2 3 Displays relevant keys and indicator Operating Procedure ENTER 3 SETUP 1 ENTER 4 2 5 Perform operations following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want to leave the current menu during operation press the key described under step 1 The confirm...

Страница 55: ... the three phase four wire system 253503 Converter Primary side W1 Secondary side W3 Output side Computing equation Efficiency µ W3 W1 100 When the input is two wire and the output is three wire Select 1Φ2W 1Φ3W 3Φ3W or 3V3A for the wiring method This only applies to model 253503 Converter Primary side W2 Secondary side W1 Output side W3 Computing equation Efficiency µ W1 W3 W2 100 4 9 Computing t...

Страница 56: ...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 1 Displayed on WT110 WT130 with ROM version 2 01 or later A W V Hz A Hz Wh Ah Ah Wh Wh Ah FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION V A 1 V 1 1 2 Selecting the Input Element S...

Страница 57: ...will be displayed A current will be displayed W power will be displayed Selecting the Input Element The type of input element which can be selected depends on the model number Make your selection after having verified your model number 1 2 3 Displays the measurement values of element 1 2 3 Displays according to the wiring method and is as follows ΣV ΣA ΣW 1Φ3W 2 V1 V3 V1 V3 2 A1 A3 W1 W3 W1 W3 W1 ...

Страница 58: ...ssing the ELEMENT key of display C The operation is the same as the one described on page 5 1 Explanation Measurement Range The measurement range lies from 10 to 50kHz Depending on the internal timing however measurements can be done in the range from 4 to 10Hz At 100Hz 1kHz 10kHz 100kHz the measurement range is auto range Maximum Reading of the Display and Units Maximum reading 9999 Units Hz Pref...

Страница 59: ...ON FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION V A 1 V 1 1 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 1 Displayed on WT110 WT130 with ROM version 2 01 or later 2 Selecting the Input Element To measure or display the peak value press...

Страница 60: ...the order by first pressing the SHIFT key followed by the FUNCTION key 2 Selecting the Input Element Select the input element by pressing the ELEMENT key of display A or B The operation is the same as the one described on page 5 1 Explanation Maximum Reading of the Display and Units Maximum reading of apparent and reactive power 9999 Display range of power factor 1 000 to 1 000 when the computed r...

Страница 61: ...ion is the same as the one described on page 5 1 Explanation Display Range and Units Display range 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 Selecting the Input Element The type of input element which can be selected depends on the model number Make your selection after having verified you...

Страница 62: ... integrated value reaches the maximum of 999999MWh MAh or when the integrated value of negative polarity reaches 99999MWh MAh when the integration elapsed time reaches the maximum of 999 hours and 59 minutes Integration holds the integration elapsed time and integrated values at the point where integration stopped will be held until the RESET key is pressed Max integrated value 999999 MWh MAh Inte...

Страница 63: ... MAh Integration holds the integration elapsed time 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 Integration time Start Reset Hold Integration timer preset time Stop Hold Integration timer preset time Integration timer preset time Integration Methods Each display update ...

Страница 64: ...itive and negative watt hour values Wh 1 RMS VMEAN DC positive watt hour value Wh 1 RMS VMEAN DC negative watt hour value Ah RMS VMEAN total ampere hour values DC both positive and negative ampere hour values Ah 2 RMS VMEAN total ampere hour values same as Ah DC positive ampere hour value Ah 2 RMS VMEAN 0 DC negative ampere hour value 1 When the Wh function is selected pressing the FUNCTION key on...

Страница 65: ...press the key described under step 1 The confirmed settings made until that point will be kept hour min 1 SHIFT RESET INTEG SET ENTER 3 Display C Setting the timer Display A 2 ENTER 6 4 Up down 5 Cursor shift SHIFT End Setting the Integration Timer Explanation Selecting the Measurement Mode The following selections are available The initial value is nor nor Select this for manual or standard integ...

Страница 66: ...TION FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION V A 1 V 1 1 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 1 Displayed on WT110 WT130 with ROM version 2 01 or later 2 Selecting the Input Element Select the input element by pressing the ELEMENT key on display C The operation is the same as...

Страница 67: ...play function TIME is selected on display A there is no element function available on display A Pressing the ELEMENT key on display A will result in an error code 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 regardi...

Страница 68: ...sults of the time of cancellation ON HOLD OFF Displayed value Integration preset time Dotted line shows integrated value START STOP RESET 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 di...

Страница 69: ...tegration start Integration stop Integration reset Harmonic analysis function option Store recall START Indicator STOP Indicator Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Settings can be changed 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 Ο Ο Store possible Ο Store possible Settings cannot be chang...

Страница 70: ...der shown on display A Displays the relative 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...

Страница 71: ... 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 the upper limit after having set the order at display A When the display function is set to relative harmonic con...

Страница 72: ...e WT130 For the differences between WT110 and WT130 refer to section 2 2 page 2 2 2 3 Displays relevant keys and indicator Operating Procedure SHIFT START HARMONICS ENTER 3 Display C 2 Setting the element Display C 4 ENTER 5 End 1 Setting the Element Perform operations following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want to leave the curr...

Страница 73: ...ommended to turn ON the filter in cases where the fundamental frequency is 300Hz or less and high frequency components are present If the amplitude of the input signal selected as the PLL source is smaller than the rated range value PLL synchronization may sometimes fail In this case it is suggested that a suitable measurement range be selected so that the input level exceeds 30 of the rated range...

Страница 74: ... following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want to leave the current menu during operation press the key described under step 1 The confirmed settings made until that point will be kept Explanation Turning the Harmonic Analysis Function ON OFF on Pressing the ENTER key after selecting on will result in starting of the harmonic analy...

Страница 75: ...rmonics Order 1 Light up the display function indicator of display A Display A Light up display function V A W FUNCTION FUNCTION FUNCTION FUNCTION 2 Set the harmonics order Display A Displaying the Values of Harmonic Analysis Displays each analysis value after having set the display function of either display B or C FUNCTION V A W PF FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION V A W Vdeg A V Adeg...

Страница 76: ...ntent of the current corresponding to the order shown on display A The display range is 0 00 to 99 99 and 100 0 to 999 9 W Shows the relative harmonic content of the active power corresponding to the order shown on display A The display range is 0 00 to 99 99 and 100 0 to 999 9 V deg In case the fundamental 1st order is shown on display A Shows the phase angle between the 1st order of the current ...

Страница 77: ... is 40 to 440Hz However depending on internal timing there are cases where measurements in the 20 to 700Hz range can be performed A Hz Shows the fundamental frequency of the current of the PLL source The rest is the same as in case of V Hz Note In case you select an input element using the ELEMENT key which is not the assigned element for the harmonic analysis or you selected a display function wh...

Страница 78: ...ta 1 SHIFT STOP MEMORY ENTER 3 Selecting the store function Display C 2 Setting interval Display C hour min sec ENTER 8 End Display C 4 ENTER 5 6 Up down 7 Shift cursor SHIFT Perform operations following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want to leave the current menu during operation press the key described under step 1 The confirmed...

Страница 79: ...en storing harmonic analysis data harmonic analysis function is turned ON Setting range 00 00 00 0hrs 0min 0sec to 99 59 59 99hrs 59min 59sec Initial value 00 00 00 When the setting ranges from 00 00 00 to 00 00 03 the interval will become 3s from 00 00 04 to 00 00 06 the interval will become 6s from 00 00 07 to 00 00 09 the interval will become 9s in other cases the set interval will be valid Sto...

Страница 80: ...data the interval will become 1s when the setting is 00 00 00 Recalling ON OFF After having set the recalling interval select the recall menu once again The initial value is oFF on Recalling will start by pressing the ENTER key after selecting on the RECALL indicator will light while recalling is in progress oFF Recalling will stop by pressing the ENTER key after selecting oFF the RECALL indicator...

Страница 81: ...icator Operating Procedure 1 SHIFT STOP MEMORY ENTER 3 Selecting storage of set up parameters Display C 2 Select file for storage Display B 4 ENTER 5 End Storing Set up Parameters Perform operations following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want to leave the current menu during operation press the key described under step 1 The conf...

Страница 82: ...er output settings store recall settings and communication 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 Set up parameters are saved in another internal memory than measured data Saved set up parameters are backed up by the lithium battery in the same way as mea...

Страница 83: ...DA 7ch DA 5ch DA 3ch DA 1ch DIGITAL COM EXT TRIG EXT STOP INTEG BUSY DA COM DA 12ch DA 10ch DA 8ch DA 6ch DA 4ch DA 2ch Pin No Signal Pin No Signal Output Output Output Output Output Output Output Output Output Output Output Output Input Input Input Output Input Input No Connection CMP specifications for WT110 130 253401 253502 253503 remote control 4 channel D A output 4 channel comparator output...

Страница 84: ...OLD key 5ms 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 5ms min 250ms min Display update EXT TRIG 5ms min Display update 5ms min 3s min Measurement start Update timing during normal measurement integration Update timing while harmonic...

Страница 85: ...Display C ENTER 5 End Selecting default setting Selecting output channel Display B 6 12 ENTER 7 Selecting output item Display C 8 ENTER ENTER 13 End 11 1 ENTER 2 8 Sets the A column 9 Moves to the B column 10 Select from 1 to 4 3 SHIFT Select desired item Perform operations following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want to leave the...

Страница 86: ...ither the function indicator of V Hz or A Hz is lit the frequency corresponding to the lit function indicator will be output When neither indicator is lit the frequency of the last used function indicator will be output The frequency of the last assigned element will be output The number corresponds to input element 1 2 or 3 2 2 V1 A1 W1 Hz 1 V1 A1 W1 Hz 1 2 2 Output channel dFLt i integration mea...

Страница 87: ...e set 1 For details concerning the positive value of the ampere hour refer to page 7 3 2 Available on WT110 WT130 with ROM version 2 01 or later Setting the element corresponds to colum B in the operating procedure WT110 253401 no such element setting available WT130 253502 element can be selected from 1 3 or 4 WT130 253503 element can be selected from 1 2 3 or 4 The element number 4 represents No...

Страница 88: ... Displayed value D A output Approx 7 5V Approx 7 0V 5 0V 5 0V Approx 7 0V Approx 7 5V Displayed value 140 100 0 100 140 Output Approx 7 0V 5 0V 0V 5 0V Approx 7 0V 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 If the MATH setting is set to efficiency the output will be 5 V for 100 For Vp and Ap the outp...

Страница 89: ...nse time less than 500ms 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 li...

Страница 90: ...s set to 3A Current Time Upper limit Hi Lower limit Lo 3A 1A Limit of ch2 is set to 1A Limit of ch1 is set to 3A Current Time Upper limit Hi Lower limit Lo 3A 1A Limit of ch2 is set to 1A Limit of ch1 is set to 3A GO determination area NO GO determination area NO GO determination area Note In the dual mode the combinations ch1 ch2 and ch3 ch4 are fixed The combinations ch1 ch3 and ch2 ch4 are not ...

Страница 91: ...ion or setting When you want to leave the current menu during operation press the key described under step 1 The confirmed settings made until that point will be kept Explanation Setting the Comparator Mode The following two settings are available For details refer to pages 10 7 10 8 The initial value is SinGL SinGL the comparator mode will be set to single mode duAL the comparator mode will be se...

Страница 92: ...UT ENTER 3 Selecting the comparator function Display C Display C 2 4 ENTER 5 Relay setting Display C 6 18 ENTER 7 Setting type of limit Display A ENTER 19 End 1 8 ENTER 11 Setting limit value Display B ENTER 15 Setting exponent Display C ENTER 17 16 12 Up down 13 Shift cursor 14 Shift decimal point SHIFT SHIFT 8 Sets the A column 9 Moves to the B column 10 Select from 1 to 4 SHIFT 2 Perform operat...

Страница 93: ... the A column 9 Moves to the B column 10 Select from 1 to 3 11 Moves to the C column 12 Select from 01 to 50 2 3 ENTER 1 When you press the key at step 19 the output channel displayed at display C will change to the next channel i e from ch1 to ch2 and so forth 2 Depends on the model number Refer to the specifications section for more details 3 As the maximum order of harmonic analysis data varies...

Страница 94: ...ltage limit of element 1 for channel 1 ch2 A type 1 element 20 00 value E 0 exponent 20 00A current limit of element 1 for channel 2 ch3 P type 1 element 1 200 value E 3 exponent 1 2kW active power limit of element 1 for channel 3 ch4 PF type 1 element 1 000 value E 0 exponent Power factor 1 limit of element 1 for channel 4 Setting the exponent The following selections are available The initial va...

Страница 95: ... PF type 1 element 1 000 value E 0 exponent Power factor 1 limit of element 1 for channel 4 Setting the exponent The following selections are available The initial value is as described above E 3 10 3 E 0 100 E 3 103 E 6 106 Note When you use limit values based on harmonic analysis data make sure to set the harmonic analysis function to ON page 8 5 before you set the comparator function ON page 10...

Страница 96: ...NCTION ELEMENT 1 2 3 FUNCTION ELEMENT 1 2 3 Shows the operation panel of the WT130 For the differences between WT110 and WT130 refer to section 2 2 page 2 2 2 3 Displays relevant keys and indicator Operating Procedure 1 SHIFT SETUP OUTPUT ENTER 3 Selecting the comparator function Display C Selecting the display function Display C 2 4 ENTER 5 6 Display C ENTER 7 End Perform operations following the...

Страница 97: ... k m M Applies to each corresponding display Unit Corresponding to the relay on displayA Input element Corresponding to the relay on displayA Measurement computation analysis data Corresponding to the relay on displayA and B Limit value Displays the limit value of ch2 or ch4 by 1 1 1 The limit values on display A and B will show the pairs of ch1 ch2 and ch3 ch4 alternately by pressing the keys Com...

Страница 98: ... the selection or setting When you want to leave the current menu during operation press the key described under step 1 The confirmed settings made until that point will be kept 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 select...

Страница 99: ...ng the output Mode Display C Communication setting 1 End End 2 Setting 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 12 4 Set the relevant parameters such as the handshaking method format and baud rate then press the ENTER key to complete the settings If the co...

Страница 100: ...cal values 1 and the graph of the phase angle between each voltage of the 2nd to 50th order and the fundamental 1st order G Ad Prints the numerical values 1 and the graph of the phase angle between each current of the 2nd to 50th order and the fundamental 1st order CG V Prints the numerical values 1 and the graph of the relative harmonic content of voltage CG A Prints the numerical values 1 and th...

Страница 101: ...53503 HRM V Range 60V A Range 1A Function V 1 Sync PLL V1 Freq V1 60 00 Hz V1 rms 49 98 V A1 rms 0 002 A W1 0 02 W DEG1 LEAD 50 1 deg PF1 0 641 V1 THD IEC 12 01 A1 THD IEC 95 58 Harmonic Voltage List Or Volt V Cont Or Volt V Cont 1 49 62 3 5 50 11 09 5 1 99 4 01 7 1 01 2 03 9 0 62 1 24 11 0 41 0 82 13 0 30 0 60 15 0 22 0 45 17 0 17 0 35 19 0 14 0 28 21 0 12 0 23 23 0 09 0 19 25 0 08 0 16 27 0 07 0...

Страница 102: ... CT Ratio Elem 2 1 000 Scaling Factor Elem 2 1 000 PT Ratio Elem 3 1 000 CT Ratio Elem 3 1 000 Scaling Factor Elem 3 1 000 Averaging Off Averaging Type Liner Averaging Coefficient 8 Integrate Mode Manual Integrate Timer 000 00 Rated Time DA 001 00 Store Off Store Interval 00 00 00 Recall Off Recall Interval 00 00 00 Sync Source PLL V1 Harmonics Off Display A Order 01 Harmonics Element Element 1 Di...

Страница 103: ...t to any length This mode is useful when the instrument is connected to a listener only device such as a printer Print Mode This mode is useful when harmonic analysis data are output to the external plotter printer For details refer to page 10 17 GP IB Interface Specifications Electrical mechanical specifications conforms to IEEE st d 488 1978 Functional specifications refer to the table below Cod...

Страница 104: ...ute 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 Set up parameres entered in the local mode will be retained When...

Страница 105: ... occurs this 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 i...

Страница 106: ... arithmetic operations can be output on WT110 WT130 with ROM version 2 01 and later However different instruments have different restrictions on the output of these parameters h4 Element 1 Element 1 2 Element 2 3 Element 3 4 h1 h4 data type only when the computing equation is A B2 or A2 B on WT110 WT130 with ROM version 2 01 or later A B2 display A display B 2 A2 B display A 2 display B h5 Data st...

Страница 107: ...e followed by data of ch 3 Output Format in case of Normal Measurement WT110 253401 V1 data Terminator A1 data Terminator W1 data Terminator Frequency Display C Terminator END Terminator 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 WT130 253502 V1 data V3 data SV data Terminator A1 data A3 data SA data Terminator W1 data W3 ...

Страница 108: ...ntegration time Terminator END Terminator 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 WT130 253502 W1 data W3 data SW data Terminator Wh1data Wh3data SWhdata Terminator Ah1data Ah3data SAhdata Terminator END Terminator Line 1 Line 2 Line 3 Line 4 Line 5 Line 6 Data number Terminator The data number will only be output in ca...

Страница 109: ...tent MEM Data number in case of recalling h4 Element 1 Element 1 2 Element 2 3 Element 3 4 Not applicable 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 in case of all computed values of...

Страница 110: ...c 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 harmonic of voltage Terminator Phase angle between ...

Страница 111: ... that point will be kept Same as step 4 to 5 mentioned above Select this when setting commands according to IEEE 488 2 1987 Note that this menu only appears in case of version 1 11 and later Refer to page 3 14 to confirm your version Explanation Mode Setting Refer to page 11 1 for details Address Setting A particular address is assigned to each device connected to the GP IB interface so that each ...

Страница 112: ...ting communication Display C Selecting normal Display C 2 ENTER 5 4 Selecting output format Display C ENTER 7 End 6 Setting output channel Display C 8 14 ENTER 9 Setting output item Display C 10 ENTER ENTER 15 End 13 1 ENTER 10 Sets the A column 11 Moves to the B column 12 Select from 1 to 4 SHIFT Selecting desired item Selecting default setting 1 When you press the key at step 13 the output chann...

Страница 113: ... will output the item Setting the output item corresponds to column A in the operating procedure 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 AFrq current frequency Ph total watt hour Wh Ah total ampere hour dEG phase angle VP peak value of voltage 2 AP peak value of ...

Страница 114: ...ts storage SRm1 m2 m3 Store inteRval sets storage interval Data recalling ROm Recall On starts recalling RRm1 m2 m3 recall inteRval sets recalling interval Set up parameters SLm panel Setting Load recalling set up parameters SSm panel Setting Save storing set up parameters RC Reset Command initialize set up parameters Communication CMm Communication coMmand sets command group to be used commands O...

Страница 115: ... only mode of the GP IB function Only measured data can be output and commands cannot be received There is no equivalent to the addressable mode B of the GP IB function Print Mode This mode is useful when harmonic analysis data are output to the external plotter printer For details refer to page 10 17 RS 232 C Interface Specifications Electrical characteristics conforms to EIA RS 232 C Connection ...

Страница 116: ...ection 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 when transmitting data...

Страница 117: ...3 114 115 118 119 120 121 122 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 se...

Страница 118: ...elevant keys and indicator Operating Procedure 1 SHIFT LOCAL INTERFACE ENTER 3 Setting the mode Display C 2 ENTER 9 hour min sec ENTER 14 END ENTER 5 ENTER 7 4 6 8 Selecting handshaking method Display A Selecting data format Display B Setting baud rate Display C SHIFT Perform operations following the thick line in the below menu Press the ENTER key to confirm the selection or setting When you want...

Страница 119: ...X on is sent when received data buffer becomes 1 4 full CD DTR 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 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 Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Ο Mode selection no Precautio...

Страница 120: ...line or the start bit the next data solid line The table below shows the 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 ca...

Страница 121: ... assigned to the following commands at the RS 232 C interface ESC S 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 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 the ESC code...

Страница 122: ...ation mode Integration timer preset time Integration value Integration elapsed time 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 i...

Страница 123: ...A Display function V element 1 Display B Display function A element 1 Display C Display function W element 1 Filter OFF Measurement range Auto range Measurement mode RMS Wiring method only WT130 1F3W Hold OFF PC CT scaling value P 1 000 C 1 000 F 1 000 scaling ON OFF OFF External sensor scaling value 50 00A Averaging Averaging type exponential attenuation constant 8 Averaging ON OFF OFF MATH compu...

Страница 124: ...d 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 adjustment However since the adjustments will not be displayed turn the power OFF and ON again RESET Returns to normal measurement However all adjusted data will become invalid A RANGE Pre...

Страница 125: ... in a stabilized condition drifting within 1 digit limit may occur 5 Display B will change to 10 00 A 6 Set the output of the standard to 10 000A 7 Press the ENTER key after the value on display C stabilizes Even in a stabilized condition drifting within 1 digit limit may occur 8 Turn the output of the standard OFF 9 Press the SHIFT key and display C will change to rAnGE This completes the range a...

Страница 126: ...ompletes the D A output adjustments When you press the RESET key instead of the SHIFT key the carried out adjustments will become invalid After Finishing Adjustments After having finished all adjustments turn the power OFF and ON again Communication Commands to Carry Out Adjustments Command Description CAL1 Enters the range adjustment mode CAL2 Enters the external input range adjustment mode CAL3 ...

Страница 127: ...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 In case of the WT130 voltages are connected parallel and currents in series DC voltage standard H L DC Amp H L V A EUT V A V A DC voltage standard EUT H L EXT A EXT A EXT A EUT Equipment under test External sens...

Страница 128: ... the voltage standard so that the voltage or current value displayed 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 ...

Страница 129: ...the AC voltage and AC current standard as follows AC voltage standard H L H L AC voltage standard V A EUT V A V A V A Digital power meter Synchronizer AC voltage standard EUT H L EXT A EXT A EXT A EUT Equipment under test Direct input External sensor input equipped with option EX1 Change as follows for wiring currents only Synchronizer ...

Страница 130: ...d value The product of the voltage value and the current value is the reference value of the power 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 ...

Страница 131: ...ify all channels 8 Turn the output 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 15V 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 th...

Страница 132: ...standard to 900Hz the output voltage to 15V 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 In case of the WT130 verify each element 1 2 and 3 6 If required change the ch1 setting of the synchronizer and the frequency of the current standard and ve...

Страница 133: ...or WT130 only Is there a possibility of noise Are measurement leads connected correctly Is the filter OFF Are the ambient temperature and humidity within the allowed range Is the REMOTE indicator LED off Does the GP IB address specified in the program match the address set up in the instrument Does the interface meet the IEEE standard 488 1978 electrical and mechanical requirements Are the instrum...

Страница 134: ...monic analysis was being performed or was interrupted that cannot be executed or received in such a state Print output time out No data to be printed or not in the printing mode Attempted to execute a key operation or received a communications command while storing recalling of data being performed Invalid file data File is damaged No data stored in the internal memory No space to store data in th...

Страница 135: ...s required 64 EEPROM D A board failure Service is required 65 A D converter element 1 failure Service is required 66 A D converter element 2 failure Service is required 67 A D converter element 3 failure Service is required 68 Data file failure File will be initialized measurement data set up parameter file failure automatically 69 Lithium battery voltage drop Service is required 71 DSP communicat...

Страница 136: ...VDE Parts number A1346EF Replacing Procedure Replace the fuse as follows 1 Turn the power switch OFF 2 Unplug the power cord from the power connector 3 Place the tip of a flat blade screwdriver in to the slot of the fuse holder and move the screwdriver in the direction of the arrow to remove the fuse holder 4 Remove the blown fuse 5 Insert a new fuse into the holder then install the holder in plac...

Страница 137: ... Direct input Large binding posts External input Safety terminals 15 2 Measurement Functions Item Method Frequency range Crest factor Display accuracy Accuracy within 3 months after calibration Conditions Temperature 23 5 C Humidity 30 to 75 R H Supply voltage Specified Voltage 5 Input waveform Sine wave Common mode voltage 0 V DC Filter ON at 200 Hz or less Scaling OFF This accuracy are guarantee...

Страница 138: ... in the voltage and current ranges Reassign ratio 0 001 to 1000 Averaging function The following two algorithms can be selected Exponential averaging Moving averaging Response can be set for exponential averaging the attenuation constant can 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 val...

Страница 139: ... VA maximum Power supply 100V External dimensions WT110 Approx W H D 213 88 350 mm 8 3 8 3 1 2 13 3 4 inch WT130 Approx W H D 213 132 350 mm 8 3 8 5 3 16 13 3 4 inch Weight WT110 Approx 3 0 kg 6 6 lbs WT130 Approx 5 0 kg 11 0 Lbs Accessories Power cord UL CSA VDE SAA or BS standard 1 pc Spare fuse for WT130 only 24 pin connector User s Manual Rubber feed Emission Complying Standard EN55011 Group1 ...

Страница 140: ...24 5 485 462 11 6 8 480 460 88 44 5 21 8 6 8 485 463 88 44 5 21 8 6 8 Unit mm Rear JIS rack mount 20 Protruding from rack 20 Protruding from rack EIA rack mount 20 Protruding from rack 20 Protruding from rack Unless other wise specified tolerance is 3 However tolerance is 0 3mm when below 10mm Chapter 15 Specifications ...

Страница 141: ...0 21 8 6 8 89 132 5 480 460 24 5 6 8 17 149 100 213 13 132 20 23 356 Unit mm Rear JIS rack mount 20 Protruding from rack 20 Protruding from rack EIA rack mount 20 Protruding from rack 20 Protruding from rack Unless other wise specified tolerance is 3 However tolerance is 0 3mm when below 10mm Chapter 15 Specifications ...

Страница 142: ... m is set to an illegal value While recalling or storing is in progress execution error 19 will occur AV AV Sets the voltage auto range ON or OFF inquires about the voltage setting Syntax AVm terminator m indicates auto range ON OFF m 0 auto range OFF fixed range 1 auto range ON Query AV terminator Example AV0 Description Auto range is not allowed while integration is in progress execution error 1...

Страница 143: ... current setting Syntax DFm terminator m indicates the computation method for harmonic distortion refer to page 8 4 m 0 IEC 1 CSA Query DF terminator Example DF0 Description Parameter error 12 will occur if m is set to an illegal value While recalling or storing is in progress execution error 19 will occur DL DL Sets the terminator for communication output data inquires about the current setting S...

Страница 144: ...tarted when the harmonic analysis function is in progress error 16 will occur While recalling or storing is in progress execution error 19 will occur HE HE Determines the element of the harmonic analysis function inquires about the current setting Syntax HE m terminator m indicates the element of the harmonic analysis function m 1 Element 1 2 Element 2 for model 253503 only 3 Element 3 for WT130 o...

Страница 145: ...nt 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 inquires about the current setting Syntax MTm terminator m indicates the computing equation m 0 Efficiency available only on the WT130 1 Crest factor of the voltage input waveform of input el...

Страница 146: ...n irregularity 42 Attempt made to start integration during integration 43 Measurement stopped due to overflow during integration or due to a power failure 44 Attempt made to stop integration while integration was interrupted 45 Attempt made to reset integration while integration was in progress 46 Attempt made to start integration when peak overflow was detected 51 Measurement data overflow occurr...

Страница 147: ...sis value and relative harmonic content as a numerical value 4 deg outputs the phase angle between the first order voltage current and the 2nd to 50 or 30 th voltage current as a numerical value 5 GV outputs voltage analysis value and relative harmonic content as numerical value 6 GA outputs current analysis value and relative harmonic content as numerical value 7 GW outputs active power analysis ...

Страница 148: ...our Ah Applies to WT110 WT130 with ROM version 2 01 or later m3 indicates element m 1 Element 1 2 Element 2 for model 253503 only 3 Element 3 for WT130 only 4 for WT130 only m4 indicates setting value 0 000 m4 9999 m5 indicates prefix m5 0 m E 3 1 E 0 2 k E 3 3 M E 6 Query OY1 terminator Example OY1 1 1 600 0 1 Description Parameter error 12 will occur if m is set to an illegal value No output and...

Страница 149: ...0 m1 99 m2 indicates the minutes 0 m2 59 m3 indicates the seconds 0 m3 59 Query RR terminator Example RR0 0 0 Description Parameter error 12 will occur if an illegal value is set When the recall interval is set to 0hrs 0min 0sec the interval will be 250msec in case of normal measurement and 1s in case of harmonic analysis While recalling or storing is in progress execution error 19 will occur RT R...

Страница 150: ...an be stored All set up parameters which can be output by the OS command Information related to 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 inquires about the current setting Syntax TM m1 m2 terminator m1 indicates hour and must be set within the following range 0 m1 999 m2 indicates minute and must be...

Страница 151: ...ricals are in ASCII code Terminator In case of 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 Refer to page App1 2 In case of RS 232 C Refer to page 12 7 and App1 2 Sending Several Commands You can express several commands on one line In such a c...

Страница 152: ...play A V1 CALL IBWRT WT CMD GOSUB ERRCHK CMD DB2 EB1 Display B A1 CALL IBWRT WT CMD GOSUB ERRCHK CMD DC3 EC1 Display C W1 CALL IBWRT WT CMD GOSUB ERRCHK CMD RV7 RA7 Measurement range 150V 5A CALL IBWRT WT CMD GOSUB ERRCHK CMD MN0 Measurement mode RMS CALL IBWRT WT CMD GOSUB ERRCHK Output items for comm default setting for normal measurement CMD OFD0 CALL IBWRT WT CMD GOSUB ERRCHK Delimiter for Com...

Страница 153: ...AL1 CALL IBWRT WT CMD GOSUB ERRCHK DO CLS PRINT Range adjustment PRINT PRINT 1 30 00 V range PRINT 2 300 0 V range PRINT 3 1 000 A range PRINT 4 10 00 A range PRINT S Adjustment values will be kept PRINT C Adjustment values will not be kept PRINT Command LINE INPUT C IF C 1 THEN CMD CR0 CALL IBWRT WT CMD GOSUB ERRCHK GOSUB ODDISP ELSEIF C 2 THEN CMD CR1 CALL IBWRT WT CMD GOSUB ERRCHK GOSUB ODDISP ...

Страница 154: ... updated and kept PRINT C Adjustment values of this range will not be kept DO CMD OD CALL IBWRT WT CMD GOSUB ERRCHK LOCATE 15 1 BUF SPACE 255 DO CALL IBRD WT BUF GOSUB ERRCHK PRINT LEFT BUF IBCNT 2 LOOP WHILE LEFT BUF 3 END FOR J 0 TO 500 C INKEY IF C THEN PRINT C EXIT FOR NEXT J IF C S THEN CMD ENT CALL IBWRT WT CMD GOSUB ERRCHK CMD END CALL IBWRT WT CMD GOSUB ERRCHK EXIT DO ELSEIF C C THEN CMD C...

Страница 155: ...CMD CAN CALL IBWRT WT CMD GOSUB ERRCHK EXIT DO ELSE CH VAL CH IF CH 1 AND CH 12 THEN GOSUB DACH END IF END IF LOOP PRGEND CALL IBLOC WT END DACH CH STR CH CMD CH CH CALL IBWRT WT CMD GOSUB ERRCHK CMD DO0 CALL IBWRT WT CMD GOSUB ERRCHK PRINT PRINT 5V has been output to CH channel PRINT Measure CH channel s voltage PRINT Measurement value LINE INPUT D CMD CD CH D CALL IBWRT WT CMD GOSUB ERRCHK FOR I...

Страница 156: ... the CM command However in this case the OL command can be used instead WR WR Sets the wiring system inquires about the current setting Syntax WRm terminator m stands for wiring system m 0 3Φ3W for 253502 253503 only 1 3Φ4W for 253503 only 3 1Φ3W for 253502 253503 only 4 3V3A for 253503 only Query WR terminator Example WR0 Description Parameter error 12 will occur if m is set to an illegal value D...

Страница 157: ... hour 24 Wh positive watt hour 3 W power 10 Ah ampere hour 25 Wh negative watt hour 4 var reactive power 11 DEG phase angle 26 Ah positive ampere hour 5 VA apparent power 12 Peak voltage value Vpk 27 Ah negative ampere hour 6 PF power factor 13 Peak current value Apk 7 HzV voltage frequency 14 Computation result MATH Applies to WT110 WT130 with ROM version 2 01 or later Note If 15 is set to h3 and...

Страница 158: ...in this document This appendix describes these points 1 Subsets supported by IEEE 488 1 interface functions Refer to the specifications on page 11 1 2 Operation of device when the device is assigned to an address other than one of the addresses 0 to 30 This instrument does not allow assignment to an address other than 0 to 30 3 Reaction when the user initializes address settings Change of the curr...

Страница 159: ...s commands 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 refer to the explanation given further below Example CONFIGURE MODE RMS FILTER ON PMT Unit Unit PMT PMT is a terminator used to terminate each program message The following three types of terminator are available NL New Line Sa...

Страница 160: ...t there are some queries which return more than one response message unit The first response message unit always responds to the first query but it is not always true that the n th unit always responds to the n th query Therefore if you want to make sure that a response is made to each query the program message must be divided up into individual messages Points to Note concerning Message Transmiss...

Страница 161: ...e preceding command Example DISPLAY1 FUNCTION V SAMPLE HOLD ON PMT In Case of Consecutive Common Commands Common commands defined in IEEE 488 2 1987 are independent of hierarchical level Thus it is not necessary to add a colon before a common command Example DISPLAY1 FUNCTION V CLS ELEMENT 1 PMT When Separating Commands by PMT If a terminator is used to separate two commands each command is a sepa...

Страница 162: ...1 100 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 or v...

Страница 163: ... to indicate options and is chosen from the character strings given in For interpretation rules refer to Header Interpretation Rules on page App2 5 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 Boolea...

Страница 164: ...ded event register Changes in the condition register are reflected in the extended event register page App2 38 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 from 1 to...

Страница 165: ...ing ELEMent x Sets queries the scaling values for the external sensor for each element App 2 15 CONFigure CURRent RANGe Sets queries the current range App 2 15 CONFigure FILTer Sets queries the filter ON OFF App 2 15 CONFigure MODE Sets queries the measurement mode App 2 15 CONFigure SCALing Queries all settings related to the scaling function App 2 16 CONFigure SCALing PT CT SFACtor Queries all s...

Страница 166: ...t item of harmonic analysis ON OFF App 2 22 MEASure HARMonics VALue Queries harmonic analysis data set by commands other than MEASure HARMonics ITEM App 2 22 MEASure NORMal Queries all settings related to normal measured computed data App 2 22 MEASure NORMal ITEM Queries all settings related to the output items of normal measured computed data App 2 23 MEASure NORMal ITEM PRESet Sets the ON OFF pa...

Страница 167: ...tended event register App 2 31 STATus EESR Queries the contents of the extended event register and clears it App 2 31 STATus ERRor Queries the occurred error code and message App 2 31 STATus FILTer x Sets queries the transit filter App 2 31 STATus QMESsage Sets queries whether or not to apply the corresponding message to the query STATus ERRor App 2 31 STATus SPOLl Serial Poll Executes serial poll...

Страница 168: ...Tput Example AOUTPUT Æ AOUTPUT CHANNEL1 V 1 CHANNEL2 V 2 CHANNEL3 V 3 CHANNEL4 V SIGMA CHANNEL5 A 1 CHANNEL6 A 2 CHANNEL7 A 3 CHANNEL8 A SIGMA CHANNEL9 W 1 CHANNEL10 W 2 CHANNEL11 W 3 CHANNEL12 W SIGMA AOUTPUT IRTIME 1 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 3 SIGMa OFF x 1 to 12 in case...

Страница 169: ...on This command is used for the RS 232C interface COMMunicate REMote Function Sets remote ON or local mode OFF Syntax COMMunicate REMote Boolean COMMunicate REMote Example COMMUNICATE REMOTE ON COMMUNICATE REMOTE COMMUNICATE REMOTE 1 Description This command is used for the RS 232C interface COMMunicate Function Queries all the communication settings Syntax COMMunicate Example COMMUNICATE COMMUNIC...

Страница 170: ...ONFIGURE VOLTAGE RANGE 150 0E 00 or in abbreviated form for example VOLT RANG 150 0E 00 or queries the current setting Syntax COMMunicate VERBose Boolean COMMunicate VERBose Example COMMUNICATE VERBOSE ON COMMUNICATE VERBOSE COMMUNICATE VERBOSE 1 COMMunicate WAIT Function Waits until one of the specified extended event occurs Syntax COMMunicate WAIT Register Register 0 to 65535 For a description o...

Страница 171: ...nge and external sensor scaling values 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 ALL Space NRf ELEMent x Space NRf FILTer Space OFF ON NRf SCALing STATe Space OFF ON NRf PT ALL Space NRf ELEMent x Sp...

Страница 172: ...ll scaling values for the external sensor Syntax CONFigure CURRent ESCaling Example CONFIGURE CURRENT ESCALING CONFIGURE CURRENT ESCALING ELEMENT1 50 00E 00 ELEMENT2 50 00E 00 ELEMENT3 50 00E 00 CONFigure CURRent ESCaling ALL Function Sets the scaling values for the external sensor for all elements at once Syntax CONFigure CURRent ESCaling ALL NRf NRf 0 001 to 1000 Example CONFIGURE CURRENT ESCALI...

Страница 173: ...FIGURE SCALING PT ELEMENT1 1 000 CONFIGURE SCALING PT ELEMENT1 CONFIGURE SCALING PT ELEMENT1 1 000E 00 Description Setting values differ as described at CONFigure CURRent ESCaling ALL CONFigure SCALing STATe Function Sets scaling ON OFF queries the current setting Syntax CONFigure SCALing STATe Boolean CONFigure SCALing STATe Example CONFIGURE SCALING STATE OFF CONFIGURE SCALING STATE CONFIGURE SC...

Страница 174: ...isplays 1 to 3 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 C Example DISPlay1 DISPLAY1 MODE VALUE FUNCTION V ELEMENT 1 DISPlay x ELEMent Function Sets the element to be displayed queries the current setting Syntax DISPlay x ELEMent NRf SIGMa DISPlay x ELEMent x 1 to 3 1 Display A 2 Display B 3 Display C NRf 1 WT11...

Страница 175: ...unction Sets the computation method for harmonic distortion THD for harmonic analysis queries the current setting Syntax HARMonics THD IEC CSA HARMonics THD Example HARMONICS THD IEC HARMONICS THD HARMONICS THD IEC HARMonics Function Queries all settings relating to harmonic analysis Syntax HARMonics Example HARMONICS HARMONICS STATE 0 ELEMENT 1 SYNCHRONIZE V 1 THD IEC DISPLAY ORDER 1 HARMonics DI...

Страница 176: ...NORMAL TIMER 0 0 INTEGrate MODE Function Sets the integration mode queries the current setting Syntax INTEGrate MODE NORMal CONTinuous INTEGrate MODE Example INTEGRATE MODE NORMAL INTEGRATE MODE INTEGRATE MODE NORMAL INTEGrate RESet Function Resets the integrated values Syntax INTEGrate RESet Example INTEGRATE RESET INTEGrate STARt Function Starts integration Syntax INTEGrate STARt Example INTEGRA...

Страница 177: ...METIC ADD Description If MATH TYPE is not set to ARIThmetic this command will be meaningless The computing equation selections are as follows ADD display A display B SUB display A display B MUL display A X display B DIV display A display B DIVA display A display B 2 DIVB display A 2 display B MATH CFACtor Function Sets queries the computing equation of the crest factor Syntax MATH CFACtor V A NRf ...

Страница 178: ...ysis function to be able to use the related commands Setting the output items for measurement computation data is only valid in the communication mode MEASure NORMal VALue ITEM PRESet Space NORMal INTEGrate CLEar ALL Space OFF ON NRf ELEMent x Space OFF ON NRf SIGMa Space OFF ON NRf TIME Space OFF ON MATH NRf HARMonics VALue ITEM PRESet Space VPATtern ALL CLEar Space OFF ON NRf SYNChronize Normal ...

Страница 179: ... OFF DPATtern SYNChronize VDEG ADEG ON others OFF ALL all items ON CLEar all items OFF MEASure HARMonics ITEM SYNChronize harmonic analysis function Function Sets the communication output item of harmonic analysis ON OFF queries the current setting Syntax MEASure HARMonics ITEM SYNChronize harmonic analysis function Boolean MEASure HARMonics ITEM SYNChronize harmonic analysis function harmonic ana...

Страница 180: ...anings of the symbols of functions see Note on page App2 11 MEASure NORMal ITEM normal measurement function ALL Function Sets the communication output concerning all elements or ON OFF at once Syntax MEASure NORMal ITEM normal measurement function ALL Boolean Example MEASURE NORMAL ITEM V ALL ON MEASure NORMal ITEM normal measurement function ELEMent x Function Sets the communication output concer...

Страница 181: ... Normal Measured Computed Data The communication output is set ON by any of the commands starting with MEASure NORMal ITEM and the normal measured computed data or integration elasped time 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 Data will be output in the followi...

Страница 182: ...onize 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 output for all applicable elements To find out to which element the data correspond use the HARMonics ELEMent command Frequency of PLL Source SYNChronize 1 data Outputs the fundamental frequency VHZ AHZ of the voltage current for which the PLL source has been set The input of the PLL source ca...

Страница 183: ... 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 0 02E 00 4 01E 00 0 03E 00 2 03E 00 0 01E 00 1 24E 00 0 01E 00 0 82E 00 0 01E 00 0 60E 00 0 00E 00 0 45E 00 0 01E 00 0 35E 00 0 01E 00 0 28E 00 0 00E 00 0 23E 00 0 01E 00 0 19E 00 0 01E 00 0 16E 00 0 01E 00 0 14E 00 0 01E 00 0 11E 00 0 01E 00 0 10E 00 0 01E 00 0 08E 00 0 01E 00 0 09E 00 0 01E 00 0 07E 00 0 00E 00...

Страница 184: ... INTerval Function Sets the recalling interval queries the current setting Syntax RECall INTerval NRf NRf NRf String RECall INTerval NRf NRf NRf 0 0 0 to 99 59 59 String HH MM SS HH hour MM minutes SS seconds Example RECALL INTERVAL 0 0 0 RECALL INTERVAL 00 00 00 RECALL INTERVAL RECALL INTERVAL 0 0 0 Description Even when the interval has been set to 0 0 0 the interval becomes 250ms in case of nor...

Страница 185: ... to be displayed queries the current setting Syntax RELay DISPlay NRf CHANnel 1 4 OFF RELay DISPlay NRf 1 to 4 channel Example RELAY DISPLAY 1 RELAY DISPLAY RELAY DISPLAY 1 RELay HCHannel x Function Queries all settings related to relay output items in case of harmonic analysis Syntax RELay HCHannel x x 1 to 4 Example RELAY HCHANNEL1 RELAY HCHANNEL1 FUNCTION V 1 1 THRESHOLD 600 0E 00 RELay Functio...

Страница 186: ...he current setting Syntax RELay MODE SINGle DUAL RELay MODE Example RELAY MODE DUAL RELAY MODE RELAY MODE DUAL 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 NCHANNEL2 FUNCTION A 1 THRESHOLD 20 00E 00 RELay NCHannel x FUNCtion Function Sets the function of the relay output...

Страница 187: ...e same settings as when using the HOLD key on fhe front panel SAMPle HOLD Space OFF ON NRf SAMPle Function Queries all settings related to sampling Syntax SAMPle Example SAMPLE SAMPLE HOLD 0 SAMPle HOLD 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 ...

Страница 188: ...ded event register queries the current setting Syntax STATus EESE Register STATus EESE Register 0 to 65535 Example STATUS EESE 257 STATUS EESE STATUS EESE 257 Description Refer to App 2 4 for details on the extended event register STATus EESR Function Queries the contents of the extended event register and clears it Syntax STATus EESR Example STATUS EESR 1 Description Refer to App 2 4 for details ...

Страница 189: ...r 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 set to 0 0 0 the storage interval becomes 250ms in case of normal measurement For the storage interval in case...

Страница 190: ...to 1 even if a query error occurs Default is ESE 255 i e all bits are enabled The standard event enable register will be cleared when an inquiry is made using ESE For details referring the standard event enable register refer to page App2 36 ESR Function Queries the value of the standard event register and clears it at the same time Syntax ESR Example ESR 32 Description Each bit is expressed as a ...

Страница 191: ...status byte register will not be set to 1 even if the output queue is not empty However bit 6 MSS of the status byte register is the MSS bit so it will be ignored Default is SRE 255 i e all bits are enabled The service request enable register will not be cleared even if a query is made using SRE For details of the service request enable register refer to page App2 36 STB Function Queries the value...

Страница 192: ...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 Output queue Error queue...

Страница 193: ...or 0 and the ESR query is used to check whether bits in that register are set to 1 or 0 For details of these commands refer to Appendix 2 3 2 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 refer to page App2 39 Bit 3 EES Extended Event ...

Страница 194: ...esult the corresponding bits in the status byte are cleared except bit 4 MAV since the output queue cannot be emptied by the CLScommand However the output queue will also be cleared if the CLScommand is received just after a program message terminator 2 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 7 PON P...

Страница 195: ...condition register 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 below Bit 2 ITM Integrate timer busy Set to 1 during the integration timer is being operated See figure below Bit 3 OVRS results overflow Set to 1 when the integration results of overflow Display shows oF Bit 4 FOV Frequency over Set to 1 ...

Страница 196: ...ata 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 App2 4 When a device clear command DC...

Страница 197: ...er to measure the voltage frequency of element 1 CMD DISPLAY3 FUNCTION VHZ ELEMENT 1 CALL IBWRT WT CMD GOSUB ERRCHK Sets the communication output items V1 A1 W1 VHz1 ON all others OFF CMD MEASURE ITEM PRESET CLEAR CALL IBWRT WT CMD GOSUB ERRCHK CMD MEASURE ITEM V ELEMENT1 ON CALL IBWRT WT CMD GOSUB ERRCHK CMD MEASURE ITEM A ELEMENT1 ON CALL IBWRT WT CMD GOSUB ERRCHK CMD MEASURE ITEM W ELEMENT1 ON ...

Страница 198: ...NICS ITEM SYNCHRONIZE ON ATHD ON A ON CALL IBWRT WT CMD GOSUB ERRCHK Sets the filter to detect the end of data updating CMD STATUS FILTER1 FALL CALL IBWRT WT CMD GOSUB ERRCHK Reads the analysis data and displays them 10 times FOR I 1 TO 10 CMD STATUS EESR Clears the extended event register CALL IBWRT WT CMD GOSUB ERRCHK BUF SPACE 255 CALL IBRD WT BUF GOSUB ERRCHK Waiting until data are finished up...

Страница 199: ... 68 69 6A 6B 6C 6D 6E 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 1...

Страница 200: ...Header suffix out of range Check the header App 2 3 120 Numeric data error Mantissa must be entered before the numeric value in NRf format App2 6 123 Exponent too large Use a smaller exponent in NR3 format App2 6 App 2 3 124 Too many digits Limit the number of digits to 255 or less App2 6 App 2 3 128 Numeric data not allowed Enter in a format other than NRf format App2 6 App 2 3 131 Invalid suffix...

Страница 201: ...ecified in IEEE488 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 App2 3 420 Query UNTERMINATED Check transmission reception order App2 3 430 Query DEADLOCKED Limit the length of the program message including PMT to App2 4...

Страница 202: ...cs analysis 8 2 computing function 1 2 condition register App2 36 App2 38 connector RS 232 C 12 2 connector s pin sequence 10 1 contact relay output 10 7 content 8 continous integration mode 7 2 continuous maximum allowable input 5 2 controlling 10 2 corrective action 14 11 CPU 1 1 crest factor 1 3 4 15 5 4 CT 4 7 current display 5 1 current frequency display 5 3 current integration 7 1 current in...

Страница 203: ...rement range 4 4 messages App2 2 mnemonic App2 4 model 2 moving averaging 4 11 N NC normally closed 10 7 NO normally open 10 7 normal mode 12 1 notes 1 O operating restriction integration 7 8 option 2 optional equipment 3 output printing mode 10 18 output format D A output 10 4 output format error code 11 8 output format harmonic analysis data 11 7 App2 25 output format model 2533 App1 16 output f...

Страница 204: ...ntial command App2 7 service request enable register App2 36 setting the comparator limit values 10 12 setting the comparator mode 10 9 signal direction 12 2 signal names RS 232 C 12 2 single mode 10 7 specifications 15 1 SRQ 11 3 standard accessories 3 standard event enable register App2 36 App2 37 standard event register App2 36 App2 37 standard integration mode 7 1 starting of the harmonic anal...

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