Oval EL0122 Instructions Manual Download | Manualshive

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Ins. No. E-122-8-E

Every OVAL product is manufactured under stringent quality control and thoroughly tested and inspected
before shipment from our factory. To expect the stated performance throughout its service life, please
familiarize yourself with the instructions contained in this manual before use.
Also keep it for ready reference. It is suggested that the instruction manuals for the companion pulse
generator (flowmeter) and receiving instrument be referred to at the same time.

TOTAL COUNTER

MODEL EL012 23

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Summary of Contents for EL0122

Page 1: ...To expect the stated performance throughout its service life please familiarize yourself with the instructions contained in this manual before use Also keep it for ready reference It is suggested that the instruction manuals for the companion pulse generator flowmeter and receiving instrument be referred to at the same time TOTAL COUNTER MODEL EL0122 3 ...

Page 2: ...r Switch Potentiometer Setup and Adjustment 11 7 4 1 Construction of Internal Electronics Assembly 11 7 4 2 How to Remove Internal Electronics Assembly 11 7 4 3 Waveshaping Function 12 7 4 4 Setup of Other Functions common to EL0122 0123 LCD Board SW3 13 7 4 5 How to Change Output Signal and Pulse Width option 13 7 4 6 Parameter Setup Alteration and Adjustment in Analog Output Circuit option 13 7 ...

Page 3: ...TE CAUTION and WARNING shown throughout this manual are to draw your attention to specific items NOTE Notes are separated from the general text to bring user s attention to important information CAUTION Caution statements call attention to user about hazards or unsafe practices that could result in minor personal injury or property damage WARNING Warning statements call attention to user about haz...

Page 4: ...ping container used for transit from our factory 2 Avoid giving impact shocks to the total counter during transit 1 3 Storage Considerations If the total counter upon receipt is to be stored for extended periods of time before installation unexpected problems could arise If such is the case the following considerations should be taken 1 The total counter can best be stored in the original package ...

Page 5: ...perational at ambient temperatures from 10 to 50 but we recommend an installation location where the temperature is controlled to the room temperature 3 Provide a sufficient working space behind the counter to facilitate electrical connections and maintenance 4 2 Installation 1 This counter is designed for panel mount 2 Mount the counter as follows Remove panel mount fittings from the counter and ...

Page 6: ...rical Connections 1 It is recommended that cables be routed through conduits Be sure to route the power cable separate from the input and output signal cables 2 Keep the cables away from other power cables or power circuits if any to prevent stray current pickup If inductive interference is suspected use a capacitor or surge suppressor where necessary 3 Use crimp style terminals to ensure good ele...

Page 7: ... EL0122 Analog Output 4 20mA DC 1 2 1 2 Optional feature Model EL0122 only If and are not used do not fail to short them out Unless so shorted out no analog voltage output appears across terminals 3 and 4 1 5V DC 3 4 3 4 Alarm Output Alarm 1 5 6 Output signal Non contact relay 2 points Capacity 230V AC 340V DC 200mA ON resistance 16Ωmax Leak current 1μA min at OFF Alarm 2 7 8 Terminal Block Identi...

Page 8: ... VOLTAGE PULSE POWER TO PULSE GENERATOR 12V DC TO 24V DC 1 FOR CURRENT PULSE OR 3 WIRE SYSTEM PULSE INPUT AN ADDI TIONAL POWER SUPPLY FOR PULSE GENERATOR IS REQUIRED 2 POWER SUPPLY TO PULSE GEN ERATOR MAY BE COUPLED TO POWER TERMINALS TO PROLONG BATTERY LIFE 3 POWER IS NOT SUPPLIED BY EL0123 Fig 5 3 1 2 3 4 5 6 7 8 L1 L2 FLOW INPUT 12V 0V SIG GENERATOR PULSE OUT POWER SUP SIG 0V OPEN COLLECTOR PUL...

Page 9: ...ircuit and F I board option Pulse in Pulse out 1 2 3 4 5 6 7 8 POWER GND Power to generator J5 J1 1 J2 2 3 12V 12V BATT Stabilized voltag supply trans 1A Voltage detect RESET MODE BATT LCD COUNTER CPU LCD board F l board option E2 PROM 1 2 1 5 1 10 SW3 4 1 1 SW3 5 1 2 SW3 6 1 10 SW3 7 1 100 SW3 8 Factored std SW3 10 Unfactored Power board 250Ω Analog output Alarm output Alarm 1 Alarm 2 4 20mA 1 5V...

Page 10: ...sing takes place 2 Prolonged operation MODE switch is held turned ON without turning OFF immediately by removing the fingers Bars begin to disappear from the leftmost one 7 3 Total Flow and Instantaneous Flowrate Calculation and About Factored Pulse Output 1 Total flow Each time a single pulse after frequency division by hardware means arrives at the CPU Parameter F Parameter H is added up to the ...

Page 11: ...or later changes or adjustment Alteration and adjustment above requires removal of internal electronics 7 4 1 Construction of Internal Electronics Assembly In the pulse type the internal assembly consists of a display board and a power supply board The analog type option has three boards with an additional F I board The power supply board and F I board connect to the display board At the back a te...

Page 12: ...Types and Input Setup Specifications Pulse input type OVAL pulse generator model Jumper settings Input impedance J2 J1 Contact closure or open collector PG20 1 C 1 20 kΩ Voltage pulse PG30 N PG60A F 2 C 1 100 kΩ Current pulse PA14 15 25 N PG60A E 3 C 1 510 Ω PG30S 3 C 1 510 Ω 1 Short out if it is desired to increase the waveshaping filtering by tenfold approx Install a jumper in the shadowed socke...

Page 13: ...width of this counter is set to a default of 1ms and if the customer s option is 5 6 7 or 9 in supplementary code of in Product Code Explanation on page 26 the product is adjusted to the specified pulse width before shipment But if later changes are desired in the field you can change it to a new setpoint at the parameter Pon setup menu Select a pulse width appropriate for the flow range to ensure...

Page 14: ... toggles E etc Following the parameter setup hold the MODE switch turned ON for more than 2 seconds the new setting is established and the screen returns to the review mode In Measure Mode normal mode turn MODE switch ON for more than 5 seconds to go into Review Mode Using MODE and RESET switches show the parameter you want to modify Turn MODE switch ON for more than 2 seconds to go into Parameter...

Page 15: ...llowing entering the setting MODE turned ON for more than 2 seconds to establish the setting 3 Analog output is trimmed make sure of the milliammeter reading once again The indicated reading returns to A04 4 000 the least significant digit at extreme right blinking now If the reading is within the tolerance with respect to 4mA by holding MODE turned ON for 2 seconds the second time you can exit th...

Page 16: ...tops Hold MODE button turned ON for more than 2 seconds Dummy output run mode is terminated returning to the state 1 The procedure above also applies to the 10Hz simulated output mode dummy output 2 mode Code Pd2 2 Pulse width is set by parameter Parameter Pon 7 5 4 Parameter Initialization Remove the external power source If provided with the battery take the battery out as well While pressing th...

Page 17: ... hourly flowrate the width or lag from alarm setpoint to alarm cancellation A1 S Alarm 1 status Alarm 1 output status High alarm or low alarm setup H set high alarm L set low alarm Remote output at an alarm non contact relay S set shorted contacts closed O set open contacts open A2d Alarm 2 setup Alarm output 2 flowrate similar to A1S in meaning A2H Alarm 2 hysteresis Alarm output 2 hysteresis sim...

Page 18: ...r factor F and conversion factor H Change the setting to an appropriate value that the relationship between F H and Pu satisfies the following formula F H Pu F H 10000 2 AnA Err Analog output error Analog output level is exceeded 120 of full scale for either reason Flowrate excessive Analog full scale setting too small Reduce flowrate Select an appropriate analog full scale setting relative to the...

Page 19: ...from this window enables you to access to special functions such analog trims and dummy output bdAtA Basic data F Meter factor H Conversion factor Pu Pulse weight Un Indicated unit of measure bP Inst flowrate decimal pt SP Total folw decimal pt At Sampling upper limit time A Sampling number All light All places illuminate AL Alarm data A1d Alarm 1 setup A1H Alarm 1 hysteresis A1S Alarm 1 status A2...

Page 20: ...to 0 1L h one place below decimal point Set to bP 1 Decimal point in total flow SP Depends on specification Decimal point in accumulated and resettable total Setting range 0 1 2 3 Ex To change the indicated min rdg in total flow from 1L to 0 01L 2 places below decimal point Set to SP 2 Sampling upper limit time At 5 Upper limit in instant flowrate sampling Unit sec Setting range 1 999 If flow puls...

Page 21: ...msec to 50 msec Set to Pon 50 msec Note 4 Pulse dummy output 1 Pd1 Not a parameter to be setup Furnishes a 1Hz simulated factored pulse output irrespective of flowmetering This function is useful in loop check etc For operation in practice see About Dummy Output Features special functions Pulse dummy output 2 Pd2 Not a parameter to be setup Furnishes a 10Hz simulated factored pulse output irrespec...

Page 22: ...l assembly Exercise care not to allow internal component parts to bump against the housing during removal Battery location is shown in Fig 8 2 Uncouple the bead bands securing the battery pack in place uncouple the connector installed on the substrate and replace it with a new battery pack The bead band can be undone in the manner shown in Fig 8 3 After battery replacement install the board in the...

Page 23: ...o into operation 10 TROUBLESHOOTING IMPORTANT If trouble is found internal to the counter localize the cause of trouble according to the following table and then seek our service Symptom Check for Possible Causes The display fails to show accumulated total flow and instantaneous flowrate 1 Power supplied Model EL0122 Check for supply voltage Inspect Fuse Incorrect supply voltage Fuse blown interna...

Page 24: ... Output Output Signal 4 to 20mA DC and 1 to 5V DC None Load Rasistance Current output 350Ω max Voltage output shorted 600Ω max Accuracy 0 1 of F S temp coeff 0 015 Ripples Within 1 of F S at 10 of F S flowrate Time Const 2 5sec standard Hi Lo Alarm Output Sig Non contact relay 2 points Capacity 230VAC 240VDC 200mA ON Resistance 16Ω max Leak current 1µA min at OFF Ambient Temperature 10 to 50 Insul...

Page 25: ...N N Always N Output item 3 Analog output N N Non A 2 1 to 5V A 5 4 to 20mA A 7 4 to 20mA 1 to 5V Z Z Other than above Always N N Always N Version code A Version A Characteristic 0 Standard Z Special Model Power supply Input signal Characteristic Always N Always N Output item 2 Output item 3 Always N Version code Output item 1 Main code Additional code Special test A 1 0 Taxed custody transfer A 3 ...

Page 26: ...output N N Non Always N N Always N Version code A Version A Characteristic 0 Standard Z Special Model Power supply Input signal Characteristic Always N Always N Output item 2 Output item 3 Always N Version code Output item 1 Main code Additional code Document D S J DWG and specifications for approval Japanese D S E DWG and specifications for approval English D R 0 Re submission of DWG and specific...

Page 27: ...tional Functon 1 0 None 1 Analog output 4 to 20mA DC and 1 to 5V DC and High Low alarm output Additional Functon 2 0 None standard 1 Provided with a battery to light the LCD when power is off Painting 1 Always 1 Munsell N1 5 or equiv Item Code Supplementary Code DESCRIPTION Model E L 0 1 2 3 Battery powered total counter 0 Always 0 lithium battery built in Input Signal 2 Contact closure pulse PG20...

Page 28: ...E 122 8 E All speciﬁcations are subject to change without notice for improvement 2019 08 Revised E 122 8 E 1 ...

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