User`s manual
Contents
1. Handling of over data gt When the measured result is OVER 99999E 99 gt When the measured result is OVER 99999E 99 2 10 Communication Commands 2 10 1 Setting the LOG Range Setting mode setting SR p1 p2 p3 p4 p5 p6 p7 p8 p9 lt terminator gt gt pt Channel number 001 to 048 p2 Setting type Log p3 Measurement range 20 mV 60 mV 200 mV 2 V 6 V 20 V or 50 V p4 Span lower limit p5 Span upper limit p4 lt p5 p6 Lower limit of exponent 15 to 15 p7 Upper limit of exponent 15 to 15 p6 lt p7 and p7 p6 lt 15 p8 Decimal place fixed to 0 Decimal place of the exponent p9 Unit up to 6 characters VV VV VV V WV 2 10 2 Specifying the Number of Displayed Mantissa Digits Basic setting mode setting QA p1 lt terminator gt gt p4 Number of displayed digits 2 2 digits or 3 3 digits 2 11 Manual Sample Function Stored data when a channel set to LOG is assigned gt The data is stored in the same format as with the digital value display mantissa exponent Events that cause the manual sampled data to be divided gt Ifthe number of displayed mantissa digits of the LOG input range is changed the data file is divided the next time manual sample is executed 3 Accuracy and Display Resolution 3 1 Measurement and Display Accuracy Digital Display Computing method of the display value accuracy gt gt gt gt _ Input voltage X Lower limit of d2. Function 4 You can freeze or activate the display using the event action function gt The Display Freeze Activate action can be specified only when the event is set to Remote The Display Freeze Activate action operates as a level action gt The display freeze action is executed when an open to close event rising edge is detected gt The display activate action normal operation is executed when a close to open event falling edge is detected close open ee Normal operation Display freeze Normal operation pe 12 Event action functions that do not operate while the display is frozen gt See Table 4 1 gt Ifa level action such as Memory start stop is executed due to a level event such as remote while the display is frozen the DX operation may become mismatched with the event state e Example If Memory start stop using remote is specified and the remote control input is switched from closed to open while the display is frozen the memory stop operation is not executed If display freeze is released in this condition the remote control input terminal will be open even though the memory is in a start condition Table 4 1 Event Action Functions That Do Not Operate While the Display Is Frozen Memory start stop Does not operate while the display is frozen Operates after the display freeze is released Memory start Does not operate while the display is frozen Operates after the display freeze i
3. Value Mark FUNCTION ccccccceecceeeeeeeeeeceeeseeeeseeeseteesteeneeeseees 19 Ale SPECE Saina a a tieie lwo eioeaaneeie on 19 4 5 2 Setting the Channel Display of the Current Value Mark ccccecceeeeeees 20 4 5 3 Communication COMMANAS ccccceccceeceeeeeee cece eeseeeceeeeseeeseueesueeaeeesaeesaues 20 1 Foreword Thank you for purchasing the DX1000 N DX2000 DXAdvanced This user s manual describes the functions listed below For a description of other standard functions see the DX1000 N or DX2000 Users Manual IM04L41B01 01E or IM04L42B01 01E and the Communication Interface User s Manual IM04L41B01 17E LOG input function Simulation function Note The Configurator on the accompanying software application DAQSTANDARD for DXAdvanced does not support the setup items of these TOKUCHU functions Note that proper settings will not be applied or the setup file will not be loaded even if you attempt to load the setup file created using the DX1000 N or DX2000 with this special specifications 2 LOG Input Specifications 2 1 Display Trend display logarithmic scale Digital display Converting the LOG Input Relationship between the Input Voltage and Digital Displays the input voltage on a logarithmic scale Displays the result obtained by converting the input voltage using the equation below gt The relationship between the input voltage of special LOG range and
4. digital display value is shown below Input voltage X Lower limit of display span VL Scale lower limit SL VL Input X v A 1 0E Y Digital display value Y 10 Upper limit of display span VU Scale upper limit SU VU 1 0E SU SL X VL VU VL SL 2 2 LOG Input Mode ge a E This mode allows you to measure the DC voltage input DCV 20 mV 60 mV 200 mV 2 V 6 V 20 V and 50 V convert to logarithmic scale and display the data Selectable span range Same range as the DC voltage input gt Span Lower must be less than Span Upper Selectable scale range 1 0E 15 to 1 0E 15 15 decades maximum gt Scale Lower must be less than Scale Upper Select two or three digits for the mantissa You can set the unit 2 2 1 Setting the LOG Input Press MENU switch to the setting mode Select Meas channel gt Range Alarm Select the channels in First CH and Last CH Set Mode to Log Set the measurement range the span and the exponents of the scale lower and upper limits LOG Input Setup Screen Example DX1000 N Example GROUP 1 5 206 03 23 09 45 02 Aa IT First CH 1 Last CH Ea Range Hode Range Span_l Span_u 24 2 aaaa 2 0008 Scale_b Scale_Uo Unit 1 086 a 1 86 15 Alarm 1 Of f 2 Of f 4 Off d Table 2 1 Log Input Mode Settings Selectable Items Description ee enerne O Range Same as the DCV Sets the range Sa a na Span Lower Varies depending on the Se
5. values below the one hundredths place e Since the true value is Y 1 0 10 the error is 2 digits e Therefore the hardware error of the display value is given by Y 2 digits Display value accuracy of the mantissa e As afinal error we add the software error to the hardware error e Software error Hardware error 1 1 1 digit e Display value accuracy 2 digits 1 1 1 digit 3 2 digits e The fraction is rounded up When the mantissa is 2 digits the display accuracy is 4 digits 11 4 Simulation Function 4 1 Display Freeze Function 4 1 1 Specifications A function used to stop the updating of the time trend digital values and bar graph gt The display freeze function is controlled through the event action function or communication commands gt Alarm summary message summary and various log displays are also not updated if they are displayed While the display is frozen display data is also not updated Key operation is possible while the display is frozen gt Display operations such as switching the display group are possible When recovering from the display freeze condition to normal operation the trend display is resumed from where it left off gt Screen image of the operation epee os Close to Open The time display can be enabled or disabled in the basic setting mode gt For details see section 4 4 Enabling Disabling the Time Display 4 1 2 Event Action
6. User s manual IM DX1K S2E Ed 01 1 2 3 4 Contents FORGO euor E E S 2 LOG Mp tSpecMcaloNS aa a a aac aniseed eae 3 2 1 Converting the LOG Input Relationship between the Input Voltage and Digital BIE E Ea A EE tga cet eR E NE E EE E E eee ee E 3 Za OC INDUE MORE airada a a a N eeeiaaas 4 22A Seting the LOG MUT seriean EN E i 4 2 2 2 Setting the Number of Displayed Mantissa Digits ccccceccseeceeeeeseeeeees 5 23 Alaf E EEE 6 24s Computation FUNCIOM ODTION erae a ateeau ses T 20 REDON FUNCTION rerien OE E E E S T 2 6 Functions That Cannot Be USed cece ccccccececeeeeeeeeseeeceeeseueeeeeesaueeseeaeeeseeeeaes T 2 7 Number of Grids Number of Divisions of the Scale Display cccecceecceeeeee ee T 2 8 Communication Output and Binary Data Output Format ccccceeceeeceeeeeeeeeeees 8 2 9 Communication Output and ASCII Data Output Format onseneeneeneennenonneneerrennnns 8 2 10 COMMUNICATION Commands sesseiorisre iiia a aa e a E a S E 9 2 10 1 Setting the LOG Range cc ccccecccccccceeecneeceeeseeeceeeeseeseeessaeeseeeseuessaseneeees 9 2 10 2 Specifying the Number of Displayed Mantissa Digjts ccccccceeeeeeeees 9 221 Manual Sample FUN CUON tacics erates ev usseetserGccee EN a oud 9 Accuracy and Display Resolution cccccccseecececeeeceeceseceeeceeceeeseeesaeeceeseeeseeeseeeaaes 10 3 1 Measurement and Display Accuracy Digi
7. and Trend Clear Function Press MENU switch to the setting mode Select Timer Event action gt Event action Set the Logic box number Event set to Remote and Remote number In the Action box press the MemClear soft key Setup Screen Example for the Memory and Trend Clear Function DX1000 N Example GROUP 1 e A a e Logic box number l Event Remote Remote number l Action Hemoryl lear seze Membtlear Next 575 Communication Commands The same command is used to control the display freeze function and memory and trend clear function QB p1 lt terminator gt gt p41 Switch the screen operation and clear the memory 0 to 2 e 0 Normal operation e 1 Freeze the display e 2 Clear the internal memory and trend display 16 4 4 Enabling Disabling the Time Display 4 4 1 Specifications 4 A function used to disable the time display on the operation display Displays on which the time display is disabled gt See Table 4 2 Displays on Which the Time Display Is Enabled Disabled and the Description Table 4 2 Displays on Which the Time Display Is Enabled Disabled and the Description Time display Trend display Circular display Historical trend display Alarm time Written time Memory information Start time and stop time Batch comment time Cursor time display Cursor time Summary display Memory summary Start Stop time Manual sample data time Report data time Alarm time Written t
8. et to LOG gt Measured data output FD command gt FIFO data output FF command Example If the input is 3 000 V measuring in the 6 V range the binary data is 10000 0x2710 4 Ifthe measured result is OVER the value is set to 0x8001 If the measured result is OVER the value is set to Ox 7FFF lt note gt Converting from binary data to LOG value 1 The binary data is output in A D normalized value The A D normalized value is a scaled value taking the full span value of the range to be 20000 The full span value of the range is the maximum value that can be set in the range It is 6 V in the 6 V range For example the A D normalized values in the 6 V range are as follows 6 V 20000 6 V 20000 1 V 20000 1 6 3333 3 2 The A D normalized value is converted to voltage using the following equation Voltage A D normalized value full span value of the range 20000 3 The voltage is converted to a LOG value using the equation given in section 2 1 Converting the LOG Input 2 9 Communication Output and ASCII Data Output Format Measured computed data gt DDDDD E AA e DDDDD Data mantissa sign 5 digits e AA Data exponent sign 2 digits Value with the number of displayed mantissa digits corrected with respect to the exponent of the display data gt Example When the number of displayed mantissa digits is 3 and the measured result display value is 3 16E 02 the ASCII output is equal to 00316E 02
9. hrough remote control the display freeze function is released even if there is no change in the remote state remains at the closed state The automatic display revert function does not operate gt The automatic revert timer is restarted when the display freeze function is released 14 4 2 Memory and Trend Clear Function 4 2 1 Specifications A function used to clear the internal memory and the trend gt Clears the data area of the internal memory data files that have been created are not cleared gt Can be executed while memory sample is in progress gt If you carry out the clear operation on the historical trend display the display retains the condition before the operation gt If you execute memory and trend clear on a display other than the operation display the screen automatically returns to the operation display Methods for clearing the internal memory and trend display gt Event action function gt Communication command e For details see section 4 3 Communication Commands 4 2 2 Event Action Function You can use the event action function to clear the internal memory and trend display gt The Clear the internal memory and trend display action can be specified only when the event is set to Remote The Clear the internal memory and trend display action is executed only when an open to close event rising edge is detected 15 4 3 PPDPP 4 2 3 Setting the Memory
10. ime Report data display Start time Log display Login log 17 4 4 2 Enabling Disabling the Time Display Press MENU switch to the setting mode Hold down FUNC for 3 s to switch to the basic setting mode Select Environment gt Digits Time indicate Set Time indicate on off to On or Off oe Setup Screen Example for Enabling Disabling the Time Display DX1000 N Example Basic Setting Hode Display digits Digits 2 Time indicate on off cay Table 4 3 Setting the Time Display Time display Enables disables the time display Off Disable On Enable 4 4 3 Communication Commands QC p1 lt terminator gt gt p1 Enables disables the time display On Off e On Enable e Off Disable 18 4 5 Special Current Value Mark Function 4 5 1 Specifications A function used to display the channel using two digits for the current value mark see Fig 4 1 Current Value Mark that is displayed in the scale display position on the trend historical trend display gt For the channel display see Table 4 4 gt If you set the display to two digits you will not be able to distinguish between measurement computation and external input channels In addition the external input channels will overlap Fig 4 1 Current Value Mark VVVUVUUVSYU 8 9 Q Table 4 4 Channel Display of the Current Value Mark Channel Type Channel Display of the Current Value Mark Three Digits Standard Two Digits S
11. isplay span VL Upper limit of display span VU Scale lower limit SL Scale upper limit SU Digital display value Y Converting equation for the input voltage setting o Y 1 SU SLI VLIVU VL SL Measurement accuracy of input voltage X uses the negative side due to the LOG characteristic Xer X measurement accuracy of the voltage range Hardware error of the display value o Y Y Yer e The difference from the true value Y is hardware error Y when display value Yer Corresponds to input voltage Xerr Display accuracy of the mantissa e Display accuracy Y 1 1 1 digit 10 Computing example of the display value accuracy gt gt gt 1 Integration time 50 Hz 2 V range Voltage span 0 0000 to 1 0000 V LOG span 2 to 3 Determine the converting equation for the setting o Y 106U SHX VL VU VL SL 106 427 X 0 1 0 2 19 2 Determine the measurement error with respect to the input voltage e Measurement accuracy of the 2 V range 0 05 of rdg 12 digits 0 0005 10000 12 17 digits e Therefore for an input voltage of 1 V the value will fall within the range between 0 9983 V and 1 0017 V e Since the computation is performed on the negative side with large error in the LOG characteristics we obtain Xer 0 9983 V Determine the hardware error of the display value e Substitute Xer the value determined in 2 into the equation of 1 Yer 10 9 0 9983 2 9 8 10 truncate
12. le of Alarm Values Span Span Lower Limit Upper Limit of Alarm Value Lower Upper of Exponent Exponent Equivalent Voltage Display Equivalent 2 4 Computation Function Option When a channel set to LOG is used in a computation error data is used as its measured value 2 5 Report Function Report computation results in error if a channel set to LOG is assigned to a report channel 2 6 Functions That Cannot Be Used Partial expanded display gt Partial expanded display cannot be specified on a channel in LOG input mode Difference computation between channels gt There is no limitation on setting a channel in LOG input mode as a reference channel in a difference computation gt However if such difference computation is executed the measured result of the difference channel is error Calibration correction function gt Calibration correction cannot be specified on a channel in LOG input mode 2 7 Number of Grids Number of Divisions of the Scale Display The number of grids can be set in the range of 4 to 12 or auto same as the standard model If the number of grids is set to auto on a target channel set to LOG range the number of grids is equal to the number of decades The display shows a LOG grid in this case Channels set to LOG input mode is automatically set to LOG scale 2 8 Communication Output and Binary Data Output Format 4 The binary data is an A D normalized value of the channel s
13. pecial Setting Measurement channel 19 4 5 2 Setting the Channel Display of the Current Value Mark Press MENU switch to the setting mode Hold down FUNC for 3 s to switch to the basic setting mode Select Environment gt AUX Set item 1 under AUX to On two digits special setting or Off three digits standard setting PAPADA Setup Screen Example for the Channel Display of the Current Value Mark DX1000 N Example Basic Setting Mode ALIX off off ofr 4 df Table 4 5 Setting the Channel Display of the Current Value Mark AUX Setting Selectable Items Description Selectable Range 1 On Off Channel display of the current value mark Off Three digits standard setting On Two digits Special setting 4 5 3 Communication Commands WU 01 p2 p3 p4 p5 lt terminator gt gt pt Setup type AUX gt p2 Channel display of the current value mark On two digits Off three digits gt p3 Not used On Off gt p4 Not used On Off gt p5 Not used On Off 20
14. s released Memory stop Does not operate while the display is frozen Operates after the display freeze is released Event trigger Does not operate while the display is frozen Operates after the display freeze is released However the action does not operate if the event is set to timer or match timer after the display freeze is released after the display freeze is released Manual sample Does not operate while the display is frozen Does not operate even after the display freeze is released 13 4 1 3 Setting the Display Freeze Function Press MENU switch to the setting mode Select Timer Event action gt Event action Set the Logic box number Event set to Remote and Remote number In the Action box press the Freeze soft key APAD Setup Screen Example for the Display Freeze Function DX1000 N Example GROUP 1 _ ORG 43 23 ag 53 39 AA PISF trou e Logic box number l Event Remote oa Remote number l Action lieplayFreeze Activ Next 575 Freeze Hemtlear Time adj 4 1 4 Operation While the Display is frozen If the DX is in a state in which it can switch to the basic setting mode the DX can switch to the mode even while the display is frozen gt The display freeze function is released when switching back to the operation screen from the basic setting mode Ifthe power turns OFF and then back ON such as due to a power failure while the display is frozen closed state t
15. tal Display cccccceeccseeeeeeeeeeeeeeees 10 ro ag 10 Fede ai ad BU aces le 9 ppememeenn tran mene ene a tn te nin tani NTN CONT A EAA Sr uN ent MIN nae PRT 12 4 1 Display Freeze FUNGON crisissen Js Socbndeenyeebnaddiubetrcieiy sedate deena lascnldestaaanbiuwe 12 Ardila sD CCIICANOIMN Saree ts cucaw un seuinsac cava caria tase a weesipes O 12 AN2 SEVERE ACIN FUNCION ornai a aes 12 4 1 3 Setting the Display Freeze FUNCTION cccccccccececeeceeeeceeeseeeeeeeseeeseeeeaes 14 4 1 4 Operation While the Display is frozen cccceccceeeeeeeeeeeeeeee cess eeseeeeeteeeees 14 4 2 Memory and Trend Clear Function cccccccceccceeeeeeeeeeeeeee cess eeseeeeeeeesseeseeeeaeess 15 AD Nx SDECIICAUONS issiesitccsRaveeraceosueigae aerials saa enee baeeaenees aan eee 15 322 EVEREACHOM F UNCON onnee a a L 15 4 2 3 Setting the Memory and Trend Clear FUNCtiON ccccseeeeeeeeeseeeeeeeeeaeees 16 4 3 COMMUNICATION COMMANAS ccceecseecceeceeeteeeceeeeeeeceeeenetenetseceuetseetseetaeeeaeteees 16 4 4 Enabling Disabling the Time Display cccccccccccceeceeeeeeeeeseeeseeeseeeeseeseeeeaaeess 17 AA Nn ODECIICAUOMS aA aaeeen eee 17 4 4 2 Enabling Disabling the Time Display ccccceccceeeceeeeeeeeeeeeeeeeeeeeeseeeeaes 18 4 4 3 Communication COMMANAS cc cece cece eset eeeteeeseeeaeeeeeeteeeaseeeuetseeteeneeeaeeees 18 4 5 Special Current
16. ts the span lower limit poe ee o Span Upper Varies depending on the Sets the span upper limit Sere Coen spartan mettle tan spn Scale Lower 1 0E 15 to 1 0E 15 Sets the scale lower limit 1 00E 15 to 1 00E 15 when the number of displayed mantissa digits is 3 Scale Upper 1 0E 15 to 1 0E 15 Sets the scale upper limit 15 decades maximum Scale Lower must be less than Scale Upper 1 00E 15 to 1 00E 15 when the number of displayed mantissa digits is 3 Up to 6 characters Sets the unit alphanumeric characters 2 2 2 Setting the Number of Displayed Mantissa Digits Press MENU switch to the setting mode Hold down FUNC for 3 s to switch to the basic setting mode Select Environment gt Digits Time indicate Set Digits to 2 or 3 oe Setup Screen Example for the Number of Displayed Mantissa Digits DX1000 N Example Basic Setting Hode Display digits Digits Time indicate Ons Ott OF 2 3 Alarm Alarm types in LOG input mode gt H L T and t only Set the alarm value using a voltage Computing method of alarm values gt Computing equation of the digital display value From Y 10 SU SL0VL VU VL SL logY SU SL X VL VU VL SL X logY SL VU VL SU SL VL gt For a computation example see Table 2 2 Alarm hysteresis fixed to 0 gt The alarm hysteresis settings specified in the basic setting mode for the measurement channel are invalid Table 2 2 Computation Examp
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