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spa580en22p06

P41-45:

Flume / weir dimensions

FACTORY DEFAULT:

P40 = 00

NIVELCO Parshall flumes (GPA1P1 … GPA1P9)

For further details see the manual of the Parshall flume.

P40 = 09

Generic Parshall flume

0.305 <

P42

(width) < 2,44

[ ]

(

)

026

569

305

372

P42

⋅

2,5 < P42

Q [l/s] = K*P42*h

1,6

P = 2/3*A

P42 [m]

3.05

2.450

4.57

2.400

6.10

2.370

7.62

2.350

9.14

2.340

15.24

2.320

P40 = 10

Palmer-Bowlus (D/2) flume

Q [m

/s] = f (h1/

P41

2,5

, where h1 [m] = h+(

P41

/10)

P41

[

]

Содержание EasyTREK SP-500 Pro

Страница 1: ...spa580en22p06 1 44 ...

Страница 2: ...2 44 spa580en22p06 ...

Страница 3: ...22 5 3 5 Digital communication 23 5 3 6 Measurement optimization 23 5 3 7 Volume measurement 27 5 3 8 Open channel flow measurement 28 5 3 9 Programming the Output Conversion Table OCT 33 5 3 10 Informational parameters read only parameters 34 5 3 11 Additional parameters of the flow metering 35 5 3 12 Other parameters 35 5 3 13 Echo Diagram oscilloscope function 36 5 3 14 Level threshold value cu...

Страница 4: ...4 44 spa580en22p06 ...

Страница 5: ...nce between the sensor and the surface from the time of flight The distance constitutes the basis of all output signals of the EasyTREK Pro The beam angle of NIVELCO s SenSonic transducers is 5 7 at 3 dB which ensures reliable measurement in narrow silos with uneven sidewalls and tanks with various interfering objects Furthermore the ultrasonic signals are excellently focused and penetrate through...

Страница 6: ...r Resolution Depending on the measured distance 2 m 1 mm 2 5 m 2 mm 5 10 m 5 mm 10 m 10 mm 6 5 ft 40 mil 6 5 16 ft 78 mil 16 32 ft 200 mil 32 ft 400 mil Outputs Analog 4 20 mA 3 9 20 5 mA Rtmax Ut 12 V 0 02 A galvanic isolation surge transient protection SPDT relay 30 V 1 A DC 48 V 0 5 A AC Serial communication HART interface termination resistor 250 Ω Programming diagnostic interface 3 3 V LVDS 1...

Страница 7: ...NPT 1 BSP NPT 2 BSP NPT From the transducer face 2 3 ACCESSORIES Warranty Card Installation and Programming Manual EU Declaration of Conformity 2 4 ORDER CODES NOT ALL COMBINATIONS ARE AVAILABLE EasyTREK S P 5 Transducer material Code Range Frequency Code Process Connection Code Output Code PP A 0 15 3 m 120 kHz 1 A BSP thread 0 4 20 mA HART 4 PVDF B 0 18 5 m 80 kHz 2 9 1 1 2 NPT and 1 BSP 4 N 4 2...

Страница 8: ...8 44 spa580en22p06 2 5 DIMENSIONS SP 5A SP 59 SP 58 SP 57 SP 56 SP 54 ...

Страница 9: ...asyTREK Pro is on the radius r 0 3 0 5 R of the cylindrical tank silo Be sure to take the radiation cone page 5 into consideration SENSOR ALIGNMENT The sensor face has to be parallel to the surface of the liquid within 2 3 TEMPERATURE The transmitter must be adequately protected from direct sunlight ...

Страница 10: ...ultrasonic cone must be avoided A strong gust of wind may blow the ultrasound away Devices with lower measuring frequency 40 20 kHz are recommended FUMES VAPOURS Fume or gases above the surface of the measured liquid in closed tanks especially ones exposed to direct sunlight may strongly reduce the nominal measuring range of the ultrasonic device Therefore do consider this phenomenon when selectin...

Страница 11: ...f flow metering is always lower than that of distance measurement It is determined by the properties of the flume or weir The device must be protected from direct sunlight by using a sunshade 4 WIRING Make sure the terminals in the box are not energized use shielded at least 7x0 5 mm2 AWG20 cable for a setup with a relay output and 4x0 5 mm2 without it The necessary programming can be performed af...

Страница 12: ...e value of the transmitted current will be as set in parameter P12b Current generator operating mode In this case the device measures with the factory default settings The factory settings can also be used for checking the functionality and solving the simplest measurement tasks but the possibilities of the device can only be utilized with the correct programming that fits the measured process The...

Страница 13: ...st value damping 60 s 5 2 CONDITIONS OF SAFE OPERATION The cable outside the unit must be fixed and free of tension or load The terminal box used for connecting the device must comply with the local electrical requirements 5 3 PROGRAMMING The HART interface of the EasyTREK provides access to the whole parameter set The parameter set can be accessed in two different ways by the using EView2 on a PC...

Страница 14: ...parameters must be set again a Operation The device is only suitable for measuring liquid levels so this parameter cannot be changed Eview2 setting Device Settings Application Operating mode 0 Liquid level measurement b Engineering units according to c The unit of measure of the measured value when the instrument is set to measure distance or level It is also the unit of measure for distance or le...

Страница 15: ...distance The other quantities are calculated based on the specified container parameters and material properties EView2 settings Device Settings Measurement configuration Measurement mode a Measurement mode Transmitted value 0 Distance Distance 1 Level Level 2 Volume Volume 3 Mass Mass 4 Flow Volumetric flow See P32 A Shortest measurable distance H Maximum measurable distance also the distance to ...

Страница 16: ...32 Volume flow Metric US Metric US Metric US 0 m3 ft3 tons lb pound m3 time ft3 time 1 liter gallon BR tons tons BR liter time gallon time 2 liter gallon US tons tons US liter time gallon time The unit of measure of the transmitted quantity for an instrument set to measure volume mass or flow The contents of the table is interpreted in accordance with P00c P01a and P02c The instrument converts the...

Страница 17: ... Measured H FACTORY DEFAULT XM as per chart This parameter must always be set except for distance measurement Maximum measuring distance XM m ft The maximum distance to be measured is the longest distance between the surface of the transducer and the farthest level to be measured The factory programmed longest distances DEFAULT values which can be measured XM by the units are listed in the table b...

Страница 18: ...ble Automatic Close end blocking Dead Band control P05 Xm Reverting to the factory default will automatically set the shortest possible dead zone depending on the operating conditions It will be shorter under optimal conditions and somewhat longer in unfavorable circumstances than the value given in the chart Manual Close end blocking with limitation dead zone P05 Xm By entering a value higher tha...

Страница 19: ... tank dimensions therefore the measured or calculated process values will not be influenced in any way by the far end blocking value B Open channel flow metering Far end blocking is used for those small levels below which the accurate flow calculation is no longer possible Level in the flume weir sinking below the blocked out range Output current value will be corresponds to the value of Q 0 0 val...

Страница 20: ... EView2 setting Device Settings Outputs Fix output current P10 Value of distance level volume or flow assigned to 4 mA current output FACTORY DEFAULT 0 EView2 setting Device Settings Outputs Assignment of 4mA P11 Value of distance level volume or flow assigned to 20 mA current output FACTORY DEFAULT XM Xm see tables P04 and P05 Values are modified by P01a The measured or calculated process value c...

Страница 21: ... The current loop output value is not calculated from the measured value but a fixed according to P08 current loop output value is transmitted In this mode the current output error setting is irrelevant This parameter overrides the HART multidrop communication mode 4 mA value 0 Automatic 1 Manual c Initial output current LoSUC Lo StartUp Current The output current is calculated from the measured v...

Страница 22: ...cording to P01 and P02 It puts out a 100 ms long pulse per value defined in P17 P17 Pulse equivalent according to P13c EView2 setting Device Settings Outputs Relay output Relay mode In de energized state of the device the C1 circuit is closed c Dimension of P17 ha P13a 3 EView2 setting Device Settings Outputs Relay output Relay parameters Pulse constants unit Metric US 0 m3 ft3 1 liter gallon BR 2...

Страница 23: ...erate fume waves 0 s 2 s Dense fume or turbulent waves 6 s 10 s P22 a Dome top tank compensation FACTORY DEFAULT 0 a Compensation Note 0 OFF If the EasyTREK is not mounted in the center of the top and the top is flat 1 ON If the EasyTREK is mounted in the center of a tank with a dome shaped top It reduces the interference of multiple echoes EView2 setting Device Settings Measurement optimalization...

Страница 24: ...ation Selection of Echo within the measuring window P26 Level elevation rate filling speed m h or ft h FACTORY DEFAULT 2000 m h EView2 setting Device Settings Measurement optimalization Level elevation rate filling speed P27 Level descent rate emptying speed m h or ft h FACTORY DEFAULT 2000 m h These parameters provide additional protection against echo loss in applications involving very heavy fu...

Страница 25: ...ng process transmitted value will increase according to the filling speed set in P26 3 Immediate indication Losing echo the current value will immediately be transmitted Bit 0 of DSE via HART to display noEcho Current value according to current output P12a 4 Empty tank indication Echo loss may occur in completely empty tanks with a spherical bottom due to deflection of the ultrasonic beam or in ca...

Страница 26: ...at 20 C For sound velocities in various gases see section Sound Velocities P32 Specific gravity FACTORY DEFAULT 0 If a value other than 0 is entered for specific gravity in this parameter the weight will be displayed instead of VOL If the metric unit system is selected the unit of this parameter is kg dm3 and lb ft3 if the selected unit system is the US EView2 setting Device Settings Measurement o...

Страница 27: ...hute value of b as below P41 P42 P43 P44 P45 00b3 Horizontal cylindrical tank shape P40b P41 P42 0004 Spherical tank P41 EView2 setting Device Settings Tank Silo parameters Tank Silo shape P41 45 Tank dimensions FACTORY DEFAULT 0 Standing cylindrical tank with hemispherical bottom P40a P40b 0 3 Standing cylindrical tank with conical bottom P40a 1 P40b 0 Standing rectangular tank with or without ch...

Страница 28: ... 75 P46 0005 GPA 1P6 Q l s 674 6 h1 556 2 91 570 120 P46 0006 GPA 1P7 Q l s 1014 9 h1 56 4 4 890 130 P46 0007 GPA 1P8 Q l s 1368 h1 5638 5 8 1208 135 P46 0008 GPA 1P9 Q l s 2080 5 h1 5689 8 7 1850 150 P46 0009 Generic Parshall flume P46 P42 0010 PALMER BOWLUS D 2 P46 P41 0011 PALMER BOWLUS D 3 P46 P41 0012 PALMER BOWLUS rectangular P46 P41 P42 0013 Khafagi Venturi P46 P42 0014 Step bottomed weir P...

Страница 29: ...LMER BOWLUS D 2 P46 0101 6 PALMER BOWLUS D 2 P46 0102 8 PALMER BOWLUS D 2 P46 0103 10 PALMER BOWLUS D 2 P46 0104 12 PALMER BOWLUS D 2 P46 0105 15 PALMER BOWLUS D 2 P46 0106 18 PALMER BOWLUS D 2 P46 0107 21 PALMER BOWLUS D 2 P46 0108 24 PALMER BOWLUS D 2 P46 EView2 setting Device Settings Flow measurement Open channel flow measurement methods ...

Страница 30: ...her details see the manual of the Parshall flume P40 09 Generic Parshall flume 0 305 P42 width 2 44 026 0 569 1 305 0 h 372 s l Q P42 P42 2 5 P42 Q l s K P42 h1 6 P 2 3 A P42 m K 3 05 2 450 4 57 2 400 6 10 2 370 7 62 2 350 9 14 2 340 15 24 2 320 P40 10 Palmer Bowlus D 2 flume Q m3 s f h1 P41 P412 5 where h1 m h P41 10 P41 m ...

Страница 31: ...e h1 m h P41 10 P41 m P40 12 Palmer Bowlus rectangular flume Q m3 s C P42 h1 5 where C f P41 P42 P41 m P42 m P40 13 Khafagi Venturi flume Q m3 s 1 744 P42 h1 5 0 091 h2 5 P42 m h m P40 14 Step bottomed weir 0 0005 Q m3 s 1 0 3 P42 m 15 0 1 h m 10 Q m3 s 5 073 P42 h1 5 Accuracy 10 ...

Страница 32: ...5 Accuracy 1 P40 16 Trapezoidal weir 0 0032 Q m3 s 82 20 P41 100 0 5 P42 m 15 0 1 h m 2 Q m3 s 1 772 P42 h1 5 1 320 tg P41 2 h2 47 Accuracy 5 P40 17 Special trapezoidal section 4 1 roll bar 0 0018 Q m3 s 50 0 3 P42 m 10 0 1 h m 2 Q m3 s 1 866 P42 h1 5 Accuracy 3 P40 18 V notch weir 0 0002 Q m3 s 1 20 P42 100 0 05 h m 1 Q m3 s 1 320 tg P42 2 h2 47 Accuracy 3 ...

Страница 33: ...OUTPUT CONVERSION TABLE OCT P40 d The operation of OCT FACTORY DEFAULT 0 Output signals of arbitrary characteristics can be assigned to the level values measured by the device The characteristics can be specified with a maximum of 100 points Using linear interpolation the device calculates the output signal from the measured level between points This can be used for e g assigning the measured leve...

Страница 34: ...setting Device Settings OC Table OCT list 5 3 10 INFORMATIONAL PARAMETERS READ ONLY PARAMETERS P60 Overall operating hours of the unit h P61 Time elapsed after last switch on h P62 Operating hours of the relay h P63 Number of switching cycles of the relay P64 Actual temperature of the transducer C F If the temperature sensor circuit is broken the device will give a warning via HART to display Pt E...

Страница 35: ...flow totalizer resettable P78 TOT2 volume flow totalizer non resettable 5 3 12 OTHER PARAMETERS P96 Software code 1 Read only parameter P97 Software code 2 Read only parameter P98 Hardware code Read only parameter P99 Access lock by secret code Using a password protects accidental or unauthorized reprogramming The password can be a number other than 0000 After entering disabling is activated when ...

Страница 36: ...ected in the legend The Echo list shows the location and data of the echo peaks evaluated by the unit of which the selected level mark is marked Selected peak Figure 1 Echo Diagram 5 3 14 LEVEL THRESHOLD VALUE CURVE THRESHOLD CURVE This function is intended for advanced users Incorrect settings may cause the device to malfunction The threshold value or threshold line block unwanted echoes from the...

Страница 37: ... points can also be moved graphically with the mouse by holding down the left mouse button on the selected point Figure 1 Main threshold curve The changes only take effect in the device after pressing the Apply Threshold settings button which can also be found in the threshold edit bar in the context menu To display the evaluation corresponding to the new threshold refresh the chart with the Refre...

Страница 38: ...ot require regular maintenance The warranty card contains the terms and conditions Before returning the device for repairs it must be cleaned thoroughly The parts in contact with the medium may contain harmful substances therefore they must be decontaminated Our official form Returned Equipment Handling Form must be filled and enclosed in the parcel Download it from our website www nivelco com The...

Страница 39: ... the sensor head shows a long echo reverberation Improper highlighting echo in the throat or device mounted in a steel flange that is not acoustically damped flange ringing Install the device as specified 9 Echo in near blocking range The surface to be measured is too close within the device s minimum measuring range Xm Set the near block P05 smaller or change the technology to ensure that the sur...

Страница 40: ...is in simulation mode 6 User password is set Password protection is set 7 Relay energized Relay is energized 8 User lock is active User lock activated 9 Factory lock is active Factory lock activated 10 SAP display is connected Display connected Only for device type SE with user interface 11 Diagnostic mode is active The device is in diagnostic mode 12 HOLD The transmitted value is on hold 13 Calib...

Страница 41: ... Value assigned to 4 mA current output P36 Reserved for expansion P11 20 Value assigned to 20 mA current output P37 Reserved for expansion P12 21 Current output mode P38 Reserved for expansion P13 22 Relay function P39 Reserved for expansion P14 22 Relay parameter Operating value P40 27 Tank shape P15 22 Relay parameter Releasing value P41 30 Tank dimensions Volume calculation options P16 Reserved...

Страница 42: ...P67 Reserved for service purposes P87 Reserved for service purposes P68 Reserved for service purposes P88 Reserved for service purposes P69 Reserved for service purposes P89 Reserved for expansion P70 35 Number of Echoes Echo Map P90 Reserved for service purposes P71 34 Distance of the of Measuring Window DIST P91 Reserved for service purposes P72 34 Amplitude of the selected echo dB 0 P92 Reserve...

Страница 43: ...OH 267 3 Acetylene C2H2 340 8 Ethylene C2H4 329 4 Ammonia NH3 429 9 Helium He 994 5 Argon Ar 319 1 Hydrogen sulfide H2S 321 1 Benzol C6H6 183 4 Methane CH4 445 5 Carbon dioxide CO2 268 3 Methanol CH3OH 347 Carbon monoxide CO 349 2 Neon Ne 449 6 Carbon tetrachloride CCl4 150 2 Nitrogen N2 349 1 Chlorine Cl2 212 7 Nitrogen monoxide NO 346 Dimethyl ether CH3OCH3 213 4 Oxygen O2 328 6 Ethane C2H6 327 ...

Страница 44: ...44 44 spa580en22p06 spa580en22p06 April 2022 NIVELCO reserves the right to change anything in this manual without notice ...

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