Vega EL 11 Скачать руководство пользователя страница 40

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Capacitive electrodes EL 4 … 20 mA - compact

Set-up

HART

-menu plan

1.1

4.1
(5.1)

4.2
(5.2)

Less important
menu windows

Not required,
unimportant or blocked
menu windows

Important and
necessary menu
windows

Switch on:

after approx.
20 s

Set-up the sensor in the sequence of
the figures A, B, C and D (adjustment
without medium).
In case of adjustment with medium, set-
up the sensor in the sequence A1, B1,
C and D.

continue like under A
figure 4.1(5.1)

Empty adjustment
without medium

Full
adjustment
without
medium

continue like under
figure 4

Hart Communicator

Self Test

in Progress

Firmware Rev: F2.2
Module Rev: 3.6

01992-96 FRSI

Generic: Sensor
PV

2,56 m

HELP

EXIT

Generic: Sensor
Device setup

1 Process variables
2 Diag/Service
3 Basic setup
4 Detailed setup
5 Review

SAVE HOME

Generic: Sensor
PV URV

100.000 m

90.300

HELP

DEL

ESC

ENTER

Generic: Sensor
Process variables

1 Snsr

2,56 m

2 AI % rnge
3 AO1

HELP

SAVE HOME

Generic: Sensor
Online(Generic)

1 Device setup
2 PV
3 PV AO
4 PV LRV
5 U R V

HELP

SAVE

Generic: Sensor
AO1

16.952 mA

HELP

EXIT

Generic: Sensor

1 PV LRV
2 URV

HELP SEND

HOME

Generic: Sensor
PV LRV

0.000 m

10.000

HELP

DEL

ESC

ENTER

Generic: Sensor

1 PV LRV
2 URV

HELP SEND HOME

Содержание EL 11

Страница 1: ...Level and Pressure Operating Instruction Capacitive electrodes EL 4 20 mA compact...

Страница 2: ...ompact Safety information Safety information The described module must only be installed and operated as described in this operating instruction Please note that other action can cause damage for whic...

Страница 3: ...imensions 14 1 6 Type plate 16 2 Mounting 2 1 Mounting instructions 17 3 Electrical connection 3 1 Connection instructions 22 3 2 Wiring plan 22 4 Set up 4 1 General adjustment 26 4 2 Adjustment Oscil...

Страница 4: ...schematic demonstration Electrode and vessel wall are the capacitor plates The medium is the dielectricum Due to the higher dielectric constant figure DK value of the medium against air the capacitan...

Страница 5: ...L Version 11 21 24 29 31 33 42 52 53 Continuous Partly insulated Fully insulated Oscillators CAP E32 EX CAP E32 H EX Approvals PTB 98 ATEX 2086 PTB no Ex 98 E 2085 Overfill protection acc to WHG1 Germ...

Страница 6: ...Plastic Aluminium Others Adapter 6 Overvoltage protect option CB 2 36 integrated Overvoltage arrester 7 Bending of electrode 8 9 also Ex 0 1 applied 2 1 4435 3 1 4571 4 1 4401 5 For electrodes certif...

Страница 7: ...11 2 NPT Flange flange versions Electrode Material EL 11 1 4435 316 L EL 21 steel St 37 EL 31 1 4401 316 L EL 24 42 1 4571 316 L Length rod max 3 m cable max 20 m Isolation see Isolation materials Max...

Страница 8: ...3000 pF 300 KHz not required Ex continuous level measurement according to the principle of phase selective admittance processing Parameter adjustment via keys on the oscillator VVO from V 2 30 or HAR...

Страница 9: ...phase shifting as they occur with build up or humidity changes are filtered out Humidity change A humidty change in solids causes a change of the dielectric constant figure r In parallel the ohmic val...

Страница 10: ...and operating pressure1 The figures in the tables relate to the figures on this page The statements on pressure are valid for screw conenctions G 11 2 A NPT 11 2 and R 11 2 Boltings DN 50 acc to DIN 1...

Страница 11: ...ection PP PVC PTFE screwed adapter Isolation Electrode type EL 29 10 10 10 PE PP PTFE PE PA 12 PFA 1 For Ex applications the permissible temperatures and pressures stated in the certificate must be no...

Страница 12: ...electronics is not exceeded Temperature class T4 or no Ex Without temperature adapter medium temperature 40 C 135 C ambient temperature1 40 C 90 C Temperature class T3 With temperature adapter 1 Ambie...

Страница 13: ...trostatic discharges Note the contents of the warning label The explosion protection of the instrument used is only ensured when the limit temperatures stated in the certificate are not exceeded In ca...

Страница 14: ...100 mm Type EL 24 fully insulated for adhesive products Ex 0 20 35 12 14 L M20x1 5 90 85 32 5 SW 60 G 11 2 A L min 120 mm max 4000 mm Type EL 29 fully insulated 25 14 48 L M20x1 5 90 85 32 5 L min 12...

Страница 15: ...teel or 1 4571 SW 60 45 54 60 60 70 Temperature adapter 10 38 L of St or 1 4571 with closing cone of PP or PTFE of St or 1 4571 of PA for temperatures up to 150 C from 100 C only unpressurized 200 90...

Страница 16: ...s storing water endangering liquids note the information and regulations in the general type approval 8 Manufacturing year 9 Number of the test authority Type plate The type plate contains important d...

Страница 17: ...tling of solids high tensile loads can be caused In these cases use for short measuring distances a rod electrode as a rod is generally more stable If due to the length or the mounting position a cabl...

Страница 18: ...ng saw or a cutting off wheel by the the requested length Carry out the adjustment The instruction is under 4 1 Adjustment Filling opening Install the electrode such that it does not protrude directly...

Страница 19: ...wall or metal foil which is glued to the vessel Connect the earth plate with the earth terminal on the housing Rod electrode Mount the rod electrode such that the electrode protrudes into the vessel...

Страница 20: ...erally fig 2 5 Under the accessory in our pricelist you find a screening tube and a closing cone or a bent rod electrode by which the electrode can be also mounted laterally Choose the length L of the...

Страница 21: ...ling the electrodes into the vessel that material cones can be caused with solids which can change the switch point We recommend to choose an installation place where the electrode detects an average...

Страница 22: ...rferences have to be expected we recommend to use screened cable The screening of the cable should only be earthed at one sensor end electrode Generally connect the electrode with vessel ground PA For...

Страница 23: ...e mounting regulations and the supplied EC type approvals and conformity certificates When capacitive electrodes are mounted on vessels which must be protected according to TRbF 100 no 8 para 1 agains...

Страница 24: ...housing The metal housing must be mounted earth free External earth terminal Internal earth terminal Cathodic tank protection 2 24 V object voltage Isolated line min 4 mm 2 Vessel Zone 0 Oscillator Li...

Страница 25: ...ntrol room and overvoltage protection system a suitable cable if necessary a metal cover or screen must be used Metal cover or screen if necessary must only be connected to earth or PA on one line end...

Страница 26: ...ogram VVO V 2 30 VEGA Visual Operating on the PC you can adjust the capacitive electrode in conjunction with oscillator CAP E 32 H Ex very comfortably Beside the sensor basic functions also additio na...

Страница 27: ...2 Electrical connection You can monitor the current value during modification When you keep the key pushed the value changes automatically and with increasing speed The difference between min and max...

Страница 28: ...g both keys together Then repeat the adjustment After the adjusted integration time 63 of the measured value change are available at the output The following integration times can be chosen on the osc...

Страница 29: ...ically and with increasing speed increase current reduce current 8 Reset All adjusted values are reset to factory setting Note that also the adjustment is deleted Tag number measurement loop designati...

Страница 30: ...llowing functions Measuring system Measurement loop Program The electrode is preadjusted by VEGA The measuring system must only be re configured when the oscillator is exchanged Set up Note When the r...

Страница 31: ...ing 0 Operate 1 Min adjustment 4 mA at 0 pF 2 Max adjustment 20 mA at 3000 pF 3 Integration time 0 5 s 4 Reverse characteristics 4 20 mA 5 Linearisation off 6 Sensor optimization mode 1 90 7 Simulatio...

Страница 32: ...level is set to 4 mA The read out of the sensor value in pF is also possible You can also coordinate a certain percentage value to a known level When you know e g that your vessel is filled to 10 this...

Страница 33: ...A 97 2 pF 100 20 00 mA 1428 0 pF When you push the button OK the values are taken over for adjustment Conditioning In this window the following functions are available scaling linearisation integratio...

Страница 34: ...acitance and the ohmic resistance are measured separately the capacitance value is corrected by calculation with the ohmic resistance so that measuring errors by conductive build up or modifications o...

Страница 35: ...owing functions print view backup restore configuration edit database user level connection modem Set up Print With this function you can print a protocol with the adjustments of the sensor View With...

Страница 36: ...justment The digital adjustment and communication signals would be shortcircuited via too small resistors e g of the current source or the processing system so that the sensor communication would no m...

Страница 37: ...u have to provide the sensor connection on the signal conditioning instrument with a resistor of the following table for the duration of the HART adjustment VEGA signal conditioning Rx instrument VEGA...

Страница 38: ...38 Capacitive electrodes EL 4 20 mA compact Ri 250 Fig 2 DCS Fig 3 VEGALOG VEGAMET 250 Ri 250 Fig 1 DCS Set up 250...

Страница 39: ...NTER you have to push SEND to transfer the adjustment to the sensor After pushing of SEND a warning is displayed When you push OK the adjustment is transmitted to the sensor Another safety enquiry ask...

Страница 40: ...stment without medium continue like under figure 4 Hart Communicator Self Test in Progress Firmware Rev F2 2 Module Rev 3 6 01992 96 FRSI Generic Sensor PV 2 56 m HELP EXIT Generic Sensor Device setup...

Страница 41: ...ric Sensor PV 0 2 m HELP EXIT Generic Sensor PV rnge 8 945 HELP EXIT Generic Sensor AO1 5 952 mA HELP EXIT Generic Sensor PV Snsr unit m m bbl in cm ESC ENTER Generic Sensor Range values 1 PV LRV 2 UR...

Страница 42: ...Measurement loop designation as under 1 3 1 1 3 4 3 Indication of the sensor serial number A1 B1 1 2 3 1 HART menu plan continuation Generic Sensor Range values 1 PV LRV 2 PV URV 3 PV LSL 4 USL HELP H...

Страница 43: ...1 2 3 1 2 1 1 4 3 1 3 1 4 3 1 3 1 Generic Sensor Current applied process value 10 945 mbar 1 Set as 4 mA value 2 Read new value 3 Leave as found ABORT ENTER Generic Sensor Current applied prosess val...

Страница 44: ...necessary alarm functions or activate system functions 5 2 Maintenance The instrument is maintenance free 5 3 Repair Due to safety and guarantee reasons repair work beside the wiring must only be made...

Страница 45: ...to the sensor The terminal voltage on the sensor in standard condition is at least 12 V Note with Ex systems that the Ex protection is not influenced by the measuring instruments Current value 22 mA C...

Страница 46: ...r range M the resistance values between the following contacts CM Meas capacitor 4 6 CM 1 M Screen Contact 4 against middle pin 1 The resistor must be 1 M If the resistor is less this means humidity i...

Страница 47: ...can connect a line from the earth terminal outside to the vessel Note that coated flanges must be in any case connected via the earth terminal to the vessel Contact 4 against 6 In case of values 3 th...

Страница 48: ...r the isolation electrode shortcircuited with the vessel wall Separate the sensor from the supply voltage and then connect voltage again cold start If the fault signal does not extinguish check the se...

Страница 49: ...Capacitive electrodes EL 4 20 mA compact 49 Notes...

Страница 50: ...50 Capacitive electrodes EL 4 20 mA compact Notes...

Страница 51: ...Capacitive electrodes EL 4 20 mA compact 51 Notes...

Страница 52: ...lding 505 Yardley PA 19067 7706 Tel 215 321 6012 Fax 215 321 6067 Tech Support Toll Free 866 DrLevel or 888 NIVELCO Email info DrLevel com or info hitechtech com Web Site www DrLevel com or www hitech...

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