Vega VEGAMET 391 Скачать руководство пользователя страница 48

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low measurement

ﬂ

ow measurement in open

ﬂ

umes

a constriction or standardised

ﬂ

ume must be used

epending on the

ﬂ

ow volume

this constriction

generates a certain amount of backup

ﬂ

ow can be determined

from the height of this backup

ﬂ

ow volume is outputted by an

appropriate number of pulses on the relay or current output and can
thus be further processed by connected downstream instruments

here is also the possibility to sum up the

ﬂ

ow volume by means of a

totalizer

the result is available on the display and as

DCS

value

epending on the type and version

each

ﬂ

ume generates a di

ﬀ

erent

backwater

he data of the following

ﬂ

umes are available in the

instrument

almer

owlus

lume

enturi

ﬂ

ume

trapezoidal weir

rectangular weir

otch

etup

he con

ﬁ

guration of the

ﬂ

ow measurement loop requires

PACT

ware

with the suitable

DTM

he example refers to a

ﬂ

ow measurement

with a radar sensor

he following setup steps must be carried out

election of the parameter

low

arrying out adjustment

elect

ﬂ

ume

(

linearization

)

et scaling

arameter adjustment of pulse outputs

arameter adjustment of the totalizer

elect in the

DTM

window

arameter

the option

low

with the

requested unit of measurement

adjustment

nter the suitable value for

the distance

from the sensor to the medium as long as there is no

ﬂ

hese are in

the following example

adjustment

nter the suitable value for

100

the distance

from the sensor to the medium

with the max

ﬂ

ow volume

his is in

the following example

unctional principle

lume

arameter

low

peration

VEGAMET

391

•

…

HART

signal conditioning instrument

pplication examples

36032

091116

Содержание VEGAMET 391

Страница 1: ...Operating Instructions VEGAMET 391 4 20 mA HART signal conditioning instrument Document ID 36032 Signal conditioning instruments and communication ...

Страница 2: ...10 4 2 Mounting instructions 10 5 Connecting to power supply 5 1 Preparing the connection 12 5 2 Connection procedure 12 5 3 Wiring plan 14 6 Setup with the integrated indicating and adjustment unit 6 1 Adjustment system 16 6 2 Setup procedure 17 6 3 Menu schematic 29 7 Setup with PACTware 7 1 Connecting the PC 36 7 2 Parameter adjustment with PACTware 39 7 3 Setup web server e mail remote enquiry...

Страница 3: ... Disposal 55 11 Supplement 11 1 Technical data 56 11 2 Overview applications functionality 60 Supplementary documentation Information Supplementary documents appropriate to the ordered version come with the delivery You can ﬁnd them listed in chapter Product description VEGAMET 391 4 20 mA HART signal conditioning instrument 3 Contents 36032 EN 091116 ...

Страница 4: ...ce by them 1 3 Symbolism used Information tip note This symbol indicates helpful additional information Caution If this warning is ignored faults or malfunctions can result Warning If this warning is ignored injury to persons and or serious damage to the instrument can result Danger If this warning is ignored serious injury to persons and or destruction of the instrument can result Ex applications...

Страница 5: ...he manufacturer Arbitrary conversions or modiﬁcations are explicitly forbidden 2 3 Warning about misuse Inappropriate or incorrect use of the instrument can give rise to application speciﬁc hazards e g vessel overﬁll or damage to system components through incorrect mounting or adjustment 2 4 General safety instructions This is a high tech instrument requiring the strict observance of standard regu...

Страница 6: ...es hazardous to water An appropriately certiﬁed sensor is the prerequisite for such protection The VEGAMET 391 fulﬁls the construction and testing principles for overﬁll protection systems This is certiﬁed by the TÜV Technical Control Board statement PP 5003 09 You can download this document from our homepage under Downloads Approvals Signal conditioning instruments Overﬁll protection 2 9 Environm...

Страница 7: ...rotocol optional Ex speciﬁc Safety instructions with Ex version if necessary further certiﬁcates OK ESC on VEGAMET 391 1 2 3 4 5 6 1 2 3 4 2 5 Fig 1 VEGAMET 391 1 Ex separating wall 2 Clamping element for panel mounting 3 Indicating and adjustment unit 4 RS232 or Ethernet interface optional 5 USB interface The type label contains the most important data for identiﬁcation and use of the instrument ...

Страница 8: ...tted to the integrated current output for further processing The measurement signal can thus be transferred to a remote indication or a superordinate control system Six level relays for control of pumps or other devices are also integrated Wide range power supply unit with 20 253 V AC DC for world wide use Detailed information about the power supply can be found in chapter Technical data 3 3 Opera...

Страница 9: ...servance of these instructions can cause damage to the device The delivery must be checked for completeness and possible transit damage immediately at receipt Ascertained transit damage or concealed defects must be appropriately dealt with Up to the time of installation the packages must be left closed and stored according to the orientation and storage markings on the outside Unless otherwise ind...

Страница 10: ...ng wall must be attached with Ex versions Safe operation can be only ensured if the operating instructions manual and the EG type approval certiﬁcate are observed VEGAMET 391 must not be opened 4 2 Mounting instructions 1 Check the correct hold of the seal directly behind the front plate and shift the instrument from the front into the front panel cut out 2 Shift the two tensioning elements into t...

Страница 11: ...h housing or the mounting plate according to the following illustration 73 mm 2 87 86 5 mm 3 41 1 2 Fig 3 Screw mounting 1 Fixing screws 2 Rear of the housing or mounting plate Screw mounting VEGAMET 391 4 20 mA HART signal conditioning instrument 11 4 Mounting 36032 EN 091116 ...

Страница 12: ...of VEGAMET 391 must be made via a ceramic capacitor e g 1 nF 1500 V The low frequency potential equalisation currents are thus suppressed but the protective eﬀect against high frequency interference signals remains Take note of the corresponding installation regulations for Ex applications In particular make sure that no potential equalisation currents ﬂow over the cable screen In case of groundin...

Страница 13: ...EGAMET 391 provides power for the connected sensors Power supply and measurement data are transmitted over the same two wire cable This mode is provided for connection of measuring transducers without sepa rate operating voltage sensors in two wire version l On the passive input terminals 5 6 the sensors are not supplied with energy only the measured value is transmitted This input is for sensors ...

Страница 14: ...lay 5 6 Operating relay 6 7 Current output 8 Operating voltage of the signal conditioning instrument 9 Measurement data input with sensor supply active input 10 Connection for HART modem for sensor parameter adjustment 11 Measurement data input passive input not with Ex ia version 12 Digital input 1 4 13 Common ground for digital input 1 4 14 4 20 mA HART sensor two wire version Wiring plan for tw...

Страница 15: ... 7 Current output 8 Operating voltage of the signal conditioning instrument 9 Measurement data input with sensor supply active input 10 Connection for HART modem for sensor parameter adjustment 11 Measurement data input passive input not with Ex ia version 12 Digital input 1 4 13 Common ground for digital input 1 4 14 4 20 mA HART sensor four wire version 15 Power supply for four wire sensor Wirin...

Страница 16: ... indicating and adjustment unit e g the settings for ﬂow measurement For such applications the use of PACTware with appropriate DTMs is recommended OK ESC on VEGAMET 391 1 2 3 4 5 6 4 5 3 2 1 Fig 6 Indicating and adjustment elements 1 LC display 2 Adjustment keys 3 Status indication operation 4 Status indication fail safe relay 5 Status indication operating relay 1 6 l OK key Move to the menu over...

Страница 17: ...mail webserver can be also conﬁgured with PACTware A setup assistant is available for easy convenient setup It guides the user through the standard applications and settings step by step Information When using PACTware and the respective DTM additional settings can be carried out which are not possible or only partly possible with the integrated indicating and adjustment unit Communication is carr...

Страница 18: ...orrected or added the most expedient way to do this is via the classic menus à Select the menu item Setup assistant with and conﬁrm with OK The setup assistant leads you step by step throught the standard settings All steps must be passed completely it is not possible to interrupt the procedure Following the individiual steps which can be passed through with the assistant l Device TAG individually...

Страница 19: ...he requested menu item via the respective keys and conﬁrm with OK You can assign an unambiguous name to VEGAMET 391 via the Device TAG This function is recommended when several instruments are implemented and a good documentation of larger systems is required à Carry out your settings via the respective keys and save with OK For instruments with Ethernet interface the instrument must be provided w...

Страница 20: ...b browser dial in connection l ASCII protocol Direct standard connection between signal conditioning instrument and PC for enquiry with terminal programs e g Hyperterminal à Carry out your settings via the respective keys and save with OK Further information is available in the supplementary instructions manual RS232 Ethernet connection and the online help of the respective DTM For instruments wit...

Страница 21: ...ransmitted to VEGAMET 391 Thus the adjustment must always carried out on VEGAMET 391 never on the sensor Diﬀerent parameters and meas units are available When HART sensors from other manufacturers are connected the options PV Primary Value and SV Secondary Value are available The prerequisite for this is the support of the HART commands 0 1 3 and 15 This information and which measured values are t...

Страница 22: ... entered If you want the use the currently measured distance value select the menu item Accept live adjustment or adjustment with medium If the adjustment should be carried out independent of the measured level then select the option Edit Enter now the distance value in m m d for the empty vessel that is suitable for the percentage value e g distance from the sensor to the vessel bottom dry adjust...

Страница 23: ...ly with the level e g with a cylindrical or spherical tank Corresponding linearization curves are preprog rammed for these vessels They represent the correlation between the level percentage and vessel volume By activating the appropriate curve the volume percentage of the vessel is displayed correctly If the volume should not be displayed in percent but e g in l or kg a scaling can be also set à ...

Страница 24: ...vel falls below the min level safe currentless condition relay is switched on again when the max level is exceeded switch on point switch oﬀ point l Pump control With several pumps having the same function the pumps will be alternately switch on and oﬀ according to the adjustable criteria Additional modes such as Switching window Flow and Tendency can be only adjusted via PACTware and DTM Relay 6 ...

Страница 25: ...characteristics of the current output can be set to 0 20 mA 4 20 mA or inverted The reaction in case of failure can also be adapted to the requirements The measured variable they refer to can also be selected à Carry out your settings via the respective keys and save with OK In the menu item Display Indication value you can set the requested indication value The following options are available l P...

Страница 26: ... Russian l Italian l Dutch à Carry out your settings via the respective keys and save with OK In the menu item Display Brightness you can adjust the brightness of the background lighting à Carry out your settings via the respective keys and save with OK If the instrument signals a fault further information about the fault is available under the menu item Diagnosis Device status In addition the inp...

Страница 27: ...ation it is not possible to carry out a parameter adjustment via the built in indicating and adjustment unit without entering the previously determined PIN This locking does not apply to parameter adjustment with PACTware and the respective DTM With every 4 20 mA HART sensor the measured value can be transmitted via analog current signal or digital HART signal This is regulated via the HART mode o...

Страница 28: ...s options are available via the Windows software PACTware and the suitable DTM Connection can be made optionally via the built in standard interface or one of the optionally oﬀered interfaces RS232 Ethernet Further information is available in chapter Parameter adjustment with PACTware in the online help of PACTware or the DTM as well as in the operating instructions manual RS232 Ethernet connectio...

Страница 29: ...ent version and application the highlighted menu windows are not always available Measured value indication Setup assistant VEGAMET 391 4 20 mA HART signal conditioning instrument 29 6 Setup with the integrated indicating and adjustment unit 36032 EN 091116 ...

Страница 30: ...Device settings Measurement loop Input Meas loop Parameter 30 VEGAMET 391 4 20 mA HART signal conditioning instrument 6 Setup with the integrated indicating and adjustment unit 36032 EN 091116 ...

Страница 31: ...Meas loop Adjustment Meas loop Damping Meas loop Linearization curve VEGAMET 391 4 20 mA HART signal conditioning instrument 31 6 Setup with the integrated indicating and adjustment unit 36032 EN 091116 ...

Страница 32: ...Meas loop Scaling Meas loop Meas loop TAG Meas loop Outputs Relay 32 VEGAMET 391 4 20 mA HART signal conditioning instrument 6 Setup with the integrated indicating and adjustment unit 36032 EN 091116 ...

Страница 33: ...Meas loop Outputs Current output Display Diagnostics VEGAMET 391 4 20 mA HART signal conditioning instrument 33 6 Setup with the integrated indicating and adjustment unit 36032 EN 091116 ...

Страница 34: ...gs Reset Additional settings PIN Additional settings Change sensor address only with option RS232 Ethernet interface 34 VEGAMET 391 4 20 mA HART signal conditioning instrument 6 Setup with the integrated indicating and adjustment unit 36032 EN 091116 ...

Страница 35: ...Info VEGAMET 391 4 20 mA HART signal conditioning instrument 35 6 Setup with the integrated indicating and adjustment unit 36032 EN 091116 ...

Страница 36: ...ally When connecting VEGAMET 391 the driver installation is ﬁnished automatically and is ready for operation without a restart 1 3 2 Fig 7 Connection of the PC via USB 1 USB interface of the PC 2 Mini USB connection cable in the scope of delivery 3 USB interface of VEGAMET 391 With the Ethernet interface the instrument can be connected directly to an existing PC network Any standard patch cable ca...

Страница 37: ...hapter Parameter adjustment with PACTware 1 3 2 Fig 8 Connection of the PC via Ethernet 1 Ethernet interface of the PC 2 Ethernet connection cable Cross Over cable 3 Ethernet interface The RS232 interface is particularly suitable for easy modem connection External analog ISDN and GSM modems with standard interface can be used The necessary RS232 modem connection cable is included with the delivery...

Страница 38: ...em cable e g article no LOG571 17347 To reduce EMC interference you should mount the supplied ferrite bead on the RS232 modem connection cable If there is no RS232 interface available on the PC or if it is already occupied you can also use a USB RS232 adapter e g article no 2 26900 3 4 1 2 Fig 10 Connection of the PC via RS232 1 RS232 interface of the PC 2 RS232 interlink cable article no LOG571 1...

Страница 39: ...ed as address in the DTM during project setup without assistant oﬄine mode To do this click with the right mouse key in the project window on the USB DTM and select Additional functions Change DTM addresses When connecting via Ethernet VEGAMET 391 must be provided with a suitable IP address and subnet mask If the project setup is carried out without assistant online mode IP address and subnet mask...

Страница 40: ...mentary instructions RS232 Ethernet connection The connection via Modbus TCP or ASCII protocol is described in an additional supplementary instruction Modbus TCP ASCII protocol Both supplementary instructions are attached to each instrument with RS232 or Ethernet interface 40 VEGAMET 391 4 20 mA HART signal conditioning instrument 7 Setup with PACTware 36032 EN 091116 ...

Страница 41: ...grated in the signal conditioning instrument During ﬁlling relay mode Overﬁll protection is adjusted The relay is hence switched oﬀ safe currentless condition when the max level is exceeded when falling below the min level it is switched on again switch on point switch oﬀ point During emptying mode Dry run protection is used This relay is hence switched oﬀ when falling below the min level safe cur...

Страница 42: ...FF The switching points are adjusted as follows l Relay 1 Switch oﬀ point 90 switch on point 85 l Relay 2 Switch oﬀ point 5 switch on point 10 Information The switch on and oﬀ point of the relays must not be adjusted to the same switching point because this would cause a permanent switchin on and oﬀ when this threshold is reached To avoid this eﬀect also with ﬂuctuating product surface a diﬀerence...

Страница 43: ...on the menu items Meas loop Outputs Relay l Set mode Pump control 2 for relay 1 and 2 l Enter the switching points for the concerned relays as follows Relay 1 upper switching point 80 0 Relay 1 lower switching point 10 0 Relay 2 upper switching point 90 0 Relay 2 lower switching point 10 0 The function of pump control 2 is shown in detail in the following diagram The previously described example i...

Страница 44: ...n period is switched on l Input signal is between lower and upper switching point Relay remains switched oﬀ l Input signal is smaller than the lower switching point Relay remains switched oﬀ 8 3 Pump control 3 4 sequentially controlled Pump control 3 4 is used to control several pumps with the same function alternately and in a ﬁxed sequence In case of an increased requirement all pumps can run at...

Страница 45: ... 3 is also switched on Select in the DTM navigation section the menu items Meas loop Outputs Relay l Set mode Pump control 4 for relays 1 3 l Enter the switching points for the concerned relays as follows Relay 1 upper switching point 60 0 Relay 1 lower switching point 10 0 Relay 2 upper switching point 75 0 Relay 2 lower switching point 10 0 Relay 3 upper switching point 90 0 Relay 3 lower switch...

Страница 46: ... the measured value change per time unit The output variable is always the measured value in percent The function can be conﬁgured for rising and falling tendency The actual measured value is determined and summed with a sample rate of a second After the max reaction time the average value is generated out of this sum The real measured value change results then of the newly calculated average valu...

Страница 47: ... option Switching condition oﬀ l Enter the following values into the parameter ﬁelds Measured value more than 25 min Max reaction time 1 min The function of the tendency recognition is shown in detail in the following diagram The previously described example is used as a basis t tm tm tm tm 120 180 240 ON OFF 60 sec 1 2 3 4 5 100 75 50 25 0 Fig 14 Example for tendency recognition 1 Old average val...

Страница 48: ...eir l V Notch Setup The conﬁguration of the ﬂow measurement loop requires PACTware with the suitable DTMs The example refers to a ﬂow measurement with a radar sensor The following setup steps must be carried out l Selection of the parameter Flow l Carrying out adjustment l Select ﬂume linearization l Set scaling l Parameter adjustment of pulse outputs l Parameter adjustment of the totalizer Select...

Страница 49: ...pling pulse an additional pulse is outputted after a deﬁned time This means that a timer is started after each pulse after which another pulse is outputted This applies only if already a pulse was outputted after exceeding the ﬂow volume Due to sludge at the bottom of the ﬂume it can happen that the min adjustment originally carried out can no longer be reached Therefore small quantities will cont...

Страница 50: ...Information The totalizer can be reset in the menu Additional settings Reset 50 VEGAMET 391 4 20 mA HART signal conditioning instrument 8 Application examples 36032 EN 091116 ...

Страница 51: ...ilable to you 7 days a week round the clock Since we oﬀer this service world wide the support is only available in the English language The service is free of charge only the standard telephone costs will be charged The signal conditioning instrument and the connected sensors are permanently monitored during operation and the values entered during parameter adjustment are checked for plausibility ...

Страница 52: ...g on failure à Remove short circuit E015 l Sensor in boot phase l Sensor current 3 6 mA or line break à Check sensor e g on failure à Remove line break à Check connection of the sensor E016 l Empty full adjustment reversed à Carry out a fresh adjustment E017 l Adjustment span too small à Carry out a fresh adjustment and increase the distance between min and max adjustment E021 l Scaling span too s...

Страница 53: ...another software update E053 l Sensor measuring range not read correctly à HART communication error Check sensor cable and screening E062 l Pulse priority too small à Increase under Output the entry Pulse output all so that max one pulse per second is outputted E110 l Relay switching points too close together à Increase the diﬀerence between the two relay switching points E111 l Relay switching po...

Страница 54: ... again if necessary 9 3 Instrument repair If a repair is necessary please proceed as follows You can download a return form 23 KB from our Internet homepage www vega com under Downloads Forms and certiﬁcates Repair form By doing this you help us carry out the repair quickly and without having to call back for needed information l Print and ﬁll out one form per instrument l Clean the instrument and...

Страница 55: ...irective 2002 96 EG and the respective national laws Pass the instrument directly on to a specialised recycling company and do not use the municipal collecting points These may be used only for privately used products according to the WEEE directive Correct disposal avoids negative eﬀects to persons and environment and ensures recycling of useful raw materials Materials see chapter Technical data ...

Страница 56: ... transmission switchable with RS232 Ethernet interface option 4 20 mA analogue for 4 20 mA sensors HART protocol digital for HART sensors Deviation of measured value 4 20 mA Accuracy 16 µA 0 1 from 4 20 mA Terminal voltage Non Ex version 28 5 22 V at 4 20 mA Ex version 19 14 5 V at 4 20 mA Current limitation approx 26 mA Detection line break 3 6 mA Detection shortcircuit 21 mA Adjustment range 4 2...

Страница 57: ... than 40 V 1 Min programmable switching hysteresis 0 1 Mode pulse output Pulse length 350 ms Current output Quantity 1 x output Function Current output for level or ﬂow sampling pulse Range 0 4 20 mA 20 0 4 mA Resolution 1 µA Max load 500 Ω Fault signal switch over 0 3 6 4 20 20 5 22 mA Accuracy Standard 16 µA 0 1 from 4 20 mA with EMC interferences 80 µA 0 5 of 4 20 mA Temperature error relating ...

Страница 58: ...n the scope of delivery Max cable length 15 m 590 in Clock only with interface option Accuracy Deviation typical 20 ppm correspond to 10 5 min year max 63 ppm correspond to 33 min year Power reserve of the lithium battery Li MnO2 typical 10 years at 20 C min 4 years Indications Measured value indication graphic capable LC display 65 x 32 mm lighting digital and quasianalogue indication Max indicat...

Страница 59: ...kV Galvanic separation between relay output and digital part Reference voltage 250 V Isolation resistance 4 kV Potential separation between Ethernet interface and digital part Reference voltage 50 V Isolation resistance 1 kV Potential separation between RS232 interface and digital part Reference voltage 50 V Isolation resistance 50 V Approvals Depending on the version instruments with approvals ca...

Страница 60: ...alue limitation suppression of negative measured values Selection linearisation curve cylindrical tank spherical tank Creation of individual linearisation curves Allocate fail safe relay Modify allocation of outputs Switch on Switch oﬀ delay relay Passive input with Ex version Modify HART address of the connected sensors Activate deactivate measurement loop Instrument version with interface option...

Страница 61: ...11 3 Dimensions 96 mm 3 78 111 mm 4 37 140 mm 5 51 100 mm 3 94 119 5 mm 4 71 96 mm 3 78 OK ESC on 1 2 3 4 5 6 VEGAMET 391 4 20 mA HART signal conditioning instrument 61 11 Supplement 36032 EN 091116 ...

Страница 62: ...ur plus d informations on pourra se référer au site http www vega com VEGA lineas de productos están protegidas por los derechos en el campo de la propiedad industrial Para mayor información revise la pagina web http www vega com Линии продукции фирмы ВЕГА защищаются по всему миру правами на интеллектуальную собственность Дальнейшую информацию смотрите на сайте http www vega com VEGA系列产品在全球享有知识产权保...

Страница 63: ...ion when malfunctions occur 51 Removal 51 Flow measurement 16 21 24 48 Fluctuating product surface 23 Flume 48 Front panel mounting 10 Functional principle 8 G Gateway address 19 H HART 27 Host name 19 Hotline 51 HTML 36 Hysteresis 42 I Input 4 20 mA 21 active 13 HART 21 Passive 13 Installation possibilities 10 Integration time 23 Interface measurement 21 IP address 19 36 39 L Language adjustment ...

Страница 64: ...1 Screw mounting 11 Secondary Value 21 Sensor address 27 Sensor input active 13 Passive 13 Serial number 8 28 Service hotline 51 Setup assistant 18 Simulation 27 Software update 39 Spherical tank 23 Stocktaking 8 Subnet mask 19 Switching window 24 T Tank calculation 39 Tendency 24 Tendency recognition 46 Time setting 20 Trapezoidal weir 48 Triangular weir 48 Type label 7 U USB 36 39 USB RS232 adap...

Страница 65: ...VEGAMET 391 4 20 mA HART signal conditioning instrument 65 Index 36032 EN 091116 ...

Страница 66: ...66 VEGAMET 391 4 20 mA HART signal conditioning instrument Index 36032 EN 091116 ...

Страница 67: ...VEGAMET 391 4 20 mA HART signal conditioning instrument 67 Index 36032 EN 091116 ...

Страница 68: ... vega com Printing date ISO 9001 All statements concerning scope of delivery application practical use and operating conditions of the sensors and processing systems correspond to the information avail able at the time of printing VEGA Grieshaber KG Schiltach Germany 2009 Subject to change without prior notice 36032 EN 091116 ...

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