OPEratING INStructIONS For Flow Meters of the Product Series ”rS“
Contents
1. 0 1 2 3 4 5 6 7 8 l min 10 Flow range Q Flow range O up to 50 l min 10 000 mm s 4 bar Qa lt q 3 5 Q 9 3 7o g 5 25 N N e a 2 O 15 o 2 1 3 2 05 0 I 0 10 20 30 40 min 50 Flow range Q 24 RS Flow Meter Dimensions RS 100 163 8115 Preamplifier Sensor module 116 Connection unit Connection unit with sensor AR 100 E module AR 100 E 231 RS 400 u RS 800 220 Preamplifier Sensor module 9140 Connection unit AR 400 F Connection unit with sensor module AR 400 F 345 129 VSE measurement Earthing 96 Weight 12 kg M8 15 deep on both sides Preamplifier Weight 22 kg Sensor module I Earthing Connection unit AR 800 H Connection unit with sensor module AR 800 H Weight 81 kg 17 VSE measurement 25 RS Flow Meter Type Code Size Example Connection unit 26 Pin Assignment Va en cg V 18 RS soo 50 Interpolation 2 E o rele fot iii Era Ko ee al ei a ES EN GJS 400 15 DIN EN 1563 stainless steel 1 4305 V2A stainless steel 1 4571 V4A Pipeline connection Standard Ball bearing Hard metal b2. 12 28V DC Signal input 1 Q 8l min V 11 531 direction pos 4249 Hz Die jeweils aktuelle EG Konformit tserkl rung kann unter www vse flow com heruntergeladen werden The current version of the EC Declaration of Conformity is available at www vse flow com VSE Volumentechnik GmbH H nnestra e 49 58809 Neuenrade Germany erkl ren in alleiniger Verantwortung dass die Produkte Volumensensor mit der Typenbezeichnung hereby declare in our sole responsibility that the product volumetric sensor with the type codes d clarons de notre responsabilit que le produit capteur volum trique p q p p q RS kay pee EIER Anstelle der Sterne sind Buchstaben und Ziffern eingesetzt die den Volumensensor kennzeichnen welche aber keinen Einfluss auf die EMV haben Instead of stars there are insert letters and numbers which marked the flow meter but have no influence about the EMC Des lettres et des chiffres symbolisant le capteur volum trique sont amp met tre en lieu et place des ast risques Ils nont aucune influence sur le CEM auf die sich diese Erkl rung bezieht mit den folgenden Normen oder normativen Dokumenten bereinstimmt which is the subject of this declaration is in conformity with the following standard or normative documents auquel cette declaration se rapporte est conforme aux norme ou aux documents normatifs suivants Bestimmungen der Richtlinien Terms of the directive Pres
3. IPF1 2 5 10 25 32 50 950 900 850 64 800 750 700 650 600 100 550 500 450 400 350 300 250 200 4 150 100 50 f Hz o4 10 00 1 000 RS 2500 available soon Example Flow meter RS 400 Max processable input frequency of the downstream evaluating unit 20 kHz Max operating flow 140 l min Path 1 The diagram yields an IPf of 25 Path 2 fox x Vmr x 60 _ 20 000 x 3 138 ml IPF Ze Q x 1000 13 Pulse Filtering Oscillations in fluid systems manifest themselves through constant forward and backward movements of the liquid column which is also detected by the rotor sensors and converted into proportional electronic pulses or edge se quences Depending on the application oscillations or vibrations can occur during the flow rest phases or discontinuous flows The pulses generated du ring the osciallation phase can be incorrectly interpreted by the downstream evaluating unit or controller which can be very distracting for the respective operating process The signal filtering function of the internal electronics continuously offsets these generated edges during the rapid forward and backward movements 10 10 000 100 000 60 s of the rotor measuring unit The signals at the channel outputs are also sup pressed
4. chapter Important charges using a grounded object 15 Signaling LEDs The signaling LEDs provide information aboutthe corresponding status ofthe electronics These include certain operating and fault states see Figure 5 The three LEDs have a different combination of states for each signal The LEDs signal either operating modes or alarms and warnings Operating mode messages signal the respective mode that has been set Alarm and warning signals provide explicit information about overload conditions that can negatively affect the measurement or component er rors of the measuring system Fig 5 Signaling LEDs of the preamplifier electronics 16 Operating Mode Messages Table 5 Operating mode messages Mode Yellow Green Red Error output LED LED LED Normal operation off on off off Offset mode off Flashes off off 12 People making adjustments to the electronics must first discharge their electrostatic Ten different interpolation factors can be set with the coding switch S3 The corresponding interpolation factors for the respective switch positions are listed in Table 3 This setting can be changed at any time while the system is running Simply use a small screwdriver to adjust the rotary coding switch and then briefly press the S2 key for the acknowledgment The new pulse rate is enabled a once The rotary coding switch for the pulse filtering has 16 switch settings The degree of filtering is determin
5. destroy the flow meter In these cases always install a sufficiently large filter in front of the flow meter so that foreign particles and Table 2 Upstream filters Filter size for Flow meter size ball bearing RS 100 250 pm RS 400 250 pm RS 800 500 pm RS 2500 Available soon Important 12 Sensor Electronics Function The liquid to be measured flows through the rotor chambers in axial direc tion resulting in an even rotation of the screw spindles This is done especially gentle and with very low resistance for the fluid to be measured as well as pulsation free and almost free of leaks due to the specially designed fluidic profile geometry A magnet wheel permanently affixed to the rotors is scanned without contact with a sensor module The non contact pick up system consists of two GMR bridges sin cos which are located in a sensor unit in cartridge design It detects every movement of the sensing gear and routes the sin cos signals to the preamplifier electronics The preamplifier electronics di gitise and amplify the sensor signals and multiply them by a high resolution interpolator using adjustable settings The square wave signals phase shif ted by 90 are bidirectional and can be utilised by any evaluating device as well as computers and PLC controls The flow is proportional to the edges pulse count and the flow rate is pro portional to the frequency The adjustable interpolator can be used to ad ju
6. is transported from the inlet to the outlet side The fluid volume put through within one main rotor rotation is the rotation volume which is divided by the sensing gear and digitised processed and output in the sensor module Advantages High degree of precision that is mostly independent of viscosity Pulsation free measurement Lowest pressure losses Short response time due to innovative rotor profile and Highest functionality due to intelligent sensor technology Gentle fluid measurements The non contact pick up system consists of two GMR bridges sin cos which are located in a sensor unit in cartridge design It detects the movement of the sensing gear and routes the sin cos signals to the preamplifier electronics The preamplifier electronics digitise and amplify the sensor signals and mul tiply them by a high resolution interpolator using adjustable settings The square wave signals are bidirectional and can be utilised by any evaluating instrument as well as computers and PLC controls The resolution is selectable in steps from factor 1 to 128 In case of a 1 channel evaluation a separate directional signal is available An adjustable pulse filter can offset and suppress negative flows e g gene rated by vibrations while still in the device The frequency of the output signals is proportional to the flow volume flow and depends on the respective flow meter size The frequency range is from O to 100 kHz T
7. personnel at any time Chapters may not be taken of these instructions at any time A missing operating instructions manual or missing pages must be replaced immediately VSE can supply you with new instructions or you can download the operating in structions from the internet www vse flow com The operating instructions must be given to each subsequent user of this product Legal information This document is not managed by an updating service of VSE Volumentechnik GmbH Changes to this document may be made without notice VSE Volumentechnik GmbH does not provide any implicit guarantees of commercial qualities and suitability for a specific purpose If the device has been opened modified or incorrectly connected to the electrical circuits the guarantee of VSE Volumentechnik GmbH for safe operation is void VSE Volumentechnik GmbH is not liable in any way for personal injuries or damage to goods resulting from improper installation or improper operating of the flow meter 1 Function Description of the RS Flow Meters RS flow meters measure the flow rate based on the screw pump principle A Sensor System Explanation pair of rotors fitted precisely into the housing constitutes the measuring ele ment An integrated gear and non contact signal pick up system detects the rotations of the measuring element and converts them to digital pulses Together with the housing walls the rotor edges form closed measuring chambers in which the fluid
8. the flow meter The cable shield should always be continuous to the flow meter and not sepa Pin 2 Digital signal Channel 1 Pin 5 Digital signal ERROR DIREC Pin 3 Power supply GND V 0 V rated by distribution boxes or junction boxes Route the connection cable as directly as possible from the evaluating device to the flow meter since interruptions are always potential sources of error The measuring elements of the flow meter must be connected electrically with the protective earth conductor PE This is generally ensured with the grounded pipelines If potential differences exist between the preamplifier housing and the protective conductor PE of the evaluating device you must pro vide equalization Pin 1 Power supply V 10 28 VDC Metal housing connected with shield and protective earthing conductor PE Pin 4 Digital signal Channel 2 Plug top view Figure 6 Flange plug of the preamplifier housing Important of the preamplifier Important 20 Maintenance and recalibration 14 Use only well shielded connection cables with a wire cross section of 2 4 to 5 x 0 25 mm Please note that the housing of the round pin plug is metallic has a connection for the shield and that the potential of the PE is connected to the cable shield and the housing Please make sure that no additional inductors such as contactors relays valves etc are connected to the power supply of t
9. 00 200 757 5 2 00000 500 1893 10 1 00000 1000 3785 25 0 40000 2500 9464 32 0 31200 3200 12113 50 0 20000 5000 18927 64 0 15625 6400 24227 100 0 10000 10000 37854 128 0 07813 12799 48451 Formula 2 Calculating the max IPF fi x Vmr x 60 IPF Q x 1000 The set IPF may not be larger than the calculated IPF IPF Interpolation factor E Max processable input frequency V Measurement volume with IPF 1 volume of a gear structure of the sensing wheel mIPFI Max operating flow in l min max Flow diagrams vs frequency RS 100 oven FLOW vs FREQUENCY IPF 1 2 VSE 25 120 110 32 100 90 80 70 50 60 50 64 40 100 30 128 20 RS 400 Juni 00 FLOW vs FREQUENCY f Hz 1 000 IPF 1 0 000 10 100 000 25 32 520 500 480 460 440 420 400 380 360 50 340 320 300 280 64 260 240 220 200 180 100 128 00 1 000 Hz 100 000 measurement VSE measurement RS 800 f owon FLOW vs FREQUENCY 1050 1000
10. VSE measurement OPERATING INSTRUCTIONS For Flow Meters of the Product Series RS VSE Volumentechnik GmbH H nnestra e 49 58809 Neuenrade Germany Phone 49 0 2394 61630 Fax 49 0 23 94 61633 Email info vse flow com Internet www vse flow com Table of Contents Page Important Basic Information icis n 3 1 Function Description of the RS Flow Meters 2 00 00 e cece eee eee e eee ee 3 2 General Description sans ns We Rr C PET Goad aed UH peed adel 4 3 RS Flow Meter Selecon neei rerom c 0 0 crenis ae ar en 4 4 Declaration of Conformity 0 0 0 2 0 000 e cence es dtes CEE tee eens 4 5 General Operating Requirements 2 00 0 000 cece cece eee nennen 4 6 Maximum Operating Pressure isses 5 7 Information about the EU Pressure Equipment Directive 97 23 EC 200 5 5 8 Flow Rate Measuring R nge 2 u us eer ener eme e eode ee 5 9 Mounting the Flow Meter isssssssssss I nennen 6 10 Cleaning and Flushing of Pipeline before Initial Start Up 222er e ee eee 6 11 Fluid Filtecitigzzi ii eere E ea ei a ds 7 12 Sensor Electronics Function 5 45 esas tute diee ee aha ee 7 T3 Pulse Filtfering a s db tre edet emt e ee one be eet ds 10 14 Programming the Preamplifier Electronics 000 00 cece eet e eee eee 11 15 Signaling LEDs ir oportet dee ee nee edate ae dhe Berri 12 16 Operating Mode Messages 200 0 cece cece e ete e eens 12 17 Al
11. aching the measuring elements duri ng the assembly and installation Foreign matter or contaminants may block the flow meter or severely damage it so that the flow meter readings are no longer valid and the device must be returned for repairs After completion of the installation or piping you must first flush the entire pipeline system and carefully clean and flush the tank This requires that the flow sensor is removed from the fluid circuit to flush out all foreign matter or contaminants e g chips metal parts without problems Use a rinsing fluid that is compa tible with the subsequent used fluid and will not cause adverse reactions Such information can be obtained from the supplier or manufacturer of the fluid or from VSE Flow meters are sensors manufactured with a high degree of precision They have mechanical measuring elements consisting of two rotors fitted into the housing with narrow gaps Even the smallest damage to the rotors causes a measuring error Always make sure that foreign matter or conta minants cannot reach the measuring elements and that the fluid flowing through the flow meter is always free of pollutants and particles Once the system is thoroughly flushed and no extraneous material is in the piping sy stem you can mount the flow meter into the fluid circuit and start the actual initial startup process 11 Fluid Filtering Heavily contaminated fluids or foreign matter in the fluid can block da mage and even
12. all bearing Angular contact ball bearing o au c 2 9 o c c o Oo Standard Bearing No y jg gt 2 A D 2 o o uw E V FPM Viton Standard x P NBR Perbunan SEL PTFE E EPDM A Modification figure 2 X factory provided o E o Construc tion rangel Flow Sensor Connection unit Construction s lt X Modification figure factory provided c a me o o D n 7 e Without tion for PT 100 m ithout connection for o Without test port E Sensor module GSM 01 ef V FPM Viton Standard p P NBR Perbunan et PTFE OE EPDM E Gl F G11 4 2 G G11 2 a H G2 100 RS 100 400 RS 400 800 RS 800 Connection for temperature sensor Standard Sensor module 5 Test port EN GJS 400 15 DIN EN 1563 stainless steel 1 4305 V2A stainless steel 1 4571 V4A xim Material Channel 1 Power supply voltage ir Power supply O voltage Channel 2 Pin 5 ERROR DIREC Signal 27 Connection Diagram M12 Standard bog voltage brown 1 Las I j tot channel 1 white 2m T bag O voltage blue 3 ae channel 2 black a Error Direction grey 5mm re NN b W memeeemb 4echcxEBLed neces Flow sensor RS 28 Declaration of Conformity EG Konformit tserkl rung EC Declaration of Conformity CE Declaration de Conformite Wir We Nous VSE measurement Evaluating unit e g display
13. and are CE certified The EC conformity marking is the CE mark affixed to all flow meters s the fluid dirty or does it contain contaminants pollutants and solid particles Which grain sizes do these solids have and could they block the measuring element Are tubes and pipes clean and free of assembly residues such as chips weld spatter s the tank clean and is it impossible for impurities or foreign substances to reach the pipeline or tubing system from the tank s a different fluid used frequently and is the system sufficiently flushed and rinsed in between Are the seals suitable for the fluid to be measured compatibilities of seals s the max operating pressure of the system less than the max permissible operating pressure of the flow meter s the max pressure drop Ap at flow meter below the max permissible pressure drop s the pressure drop Ap not excessive with max flow e g high viscosity Does the flow range of the flow meter dependent on the viscosity correspond with the present flow Does the temperature range of the flow meter correspond with the present max temperature of the fluid s the cross section of the pipelines tubes large enough and are there no overly large pressure drops in the system s the hydraulic connection inlet outlet connected corrected and sealed properly A blocked flow meter can stop the entire flow Does the system feature an overpressure bypass valve This valve must be checked and 3 Ele
14. arm and Warning Messages e 13 18 Preamplifier Technical Data 2 0 0 0c e 13 19 Preamplifier Pin Assignment 0 0 00 ccc cence cent een tenet ene ees 13 20 Maintenance u a ur es ea a cole Hed aan 14 21 Returning for Repairs and Sample Devices 0000 e unearen 15 22 RS Flow Meter Technical Data 2 0 00 15 23 RS Flow Meter Flow Characteristics licei 16 24 R Flow Meter Dimensions iiis I n 17 25 RS Flow Meter Type Code un nr ee pde etr ane wes 18 26 Pin Assignment sues e Menke RO AR RE PE ORE RR A QURIEPORU D RE 18 27 Connection Diagram i aod sanken een 19 28 Declaration of Conformity 2 00 c cece eee EE EE EE A AE ai 19 VSE measurement Important basic information Dear customer dear user These installation and operating instructions should provide you with the information you need to properly install and commission the flow meter Installation commissioning and testing are to be performed by trained and qualified personnel only These operating instructions must be read and applied carefully to ensure proper trouble free and safe operation of the flow meter VSE is not liable for any damage incurred resulting from not complying with the instructions in this operating instruction It is not permitted in any case to open the device These operating instructions for flow meters of the series RS from VSE must be stored so that they can be read by the group of aut horized
15. at the same time until the internal offset is equalized or the initial position of the rotor measuring unit has been reached again see Fig 3 The user is able to set the degree of filtering in the form of partial volumes using rotary coding switches Adjustable pulse filtering OZ 0 25Z 0 5Z 0 75Z 1 0Z 1 25Z 1 5Z 1 75Z 2 0Z 2 25Z 2 5Z 2 75 3 0Z 3 25Z 3 5Z 3 75Z Z gear unit VSE measurement Q E Ve Ka PS P 4 Sy A gt gt Filtering activation Signal output without filtering H 2 4 6 8 10 12 1416181 20 22 24 we Filtering deactivation 1 3 5 7 9 11 13 15 17 19 21 23 25 24 22 20 18 151 412 1078 16 412 0 123 ATL MPSA 17 513 UL l Ih Size RS400 Preferred direction Opposite direction Fig 3 Pulse filtering principle Table 4 Suppressed volume with pulse filtering activation ml Filter position RS 100X 0 0 1 0 145375 2 0 29075 3 0 436120 4 0 5815 5 0 726875 6 0 87225 7 1 017625 8 1 163 9 1 308375 10 A 1 45375 11 B 1 599120 12 C 1 7445 13 D 1 889875 14 E 2 03525 15 F 2 180625 14 Programming the Preamplifier Electronics The electronics elements are quickly and easily set There are two rotary coding switches on the electronics 53 S4 a jumper B2 a switch S2 and a key S2 With the
16. cription de la directive 2004 108 EWG Elektromagnetische Vertr gilchkeit 2004 108 EEC Electromagnetic compatibility 2004 108 CEE Compatibilit lectromagn tique Qualit tsmanagementsystem Qualiy management Direction de Qualite Neuenrade 01 12 2010 Ort und Datum der Ausstellung Place and date of issue Lieu et date d tablissment Norm Standard Norme EN 61000 6 4 2007 EN 61000 6 2 2005 2009 DIN EN ISO 9001 2008 QA Nr 04 100 960054 d Axel Vedder Technischer Leiter Technical Director Directeur Technique 19 VSE measurement VSE Volumentechnik GmbH H nnestra e 49 58809 Neuenrade Germany Phone 49 0 2394 61630 Fax 49 0 2394 61633 Email info vse flow com Internet www vse flow com 01 12 www plakart de
17. ctive component in interpolator circuit unable to determine internal configuration values Error output LED LED 3 Pick up errors The sensor is defective or quit working The distance bet Flashes Pulsa ween the sensor and the magnet wheel has changed mechanical damage ara 4 Overload The maximum permissible flow range was exceeded off on on on Flashes Pulse 5 Frequency errors The max output frequency of 100 000 Hz was excee ded The IPF is dimensioned too high for the respective flow Flashes Pulse 6 Temperature errors The temperature of the fluid is too high gt 120 C and may result in flawed or incorrect measurements 18 Preamplifier Technical Data Scanning sensor Adjustment Resolution Adjustable pulse filtering Frequency Output signals Channel A and B Flow direction Outputs Error messages Operating voltage Current consumption 2 x GMR sensors in a bridge circuit sin cos automatic offset adjustment programmoble 1 2 5 10 25 32 50 64 100 128 0Z 0 25Z 0 5Z 0 75Z 1 0Z 1 25Z 1 5Z 1 75Z 2 0Z 2 25Z 2 5Z 2 75 3 0Z 3 25Z 3 5Z 3 75Z Z gear unit up to 100 kHz Channel A channel B directional signal DIREC high positive low negative or error signal ERROR high or pulse error two signal outputs for outputting the digital flow sensor signals a channel offset of 90 between channel A and channel B Detection of flow direction from the channel offset of the signals f
18. ctronic Evaluation and Electrical Safety VSE measurement gt Have you selected the optimal flow sensor and is this equipped with the appropriate preamplifier gt Does the supply voltage of the flow meter match the available power supply gt s the supply voltage to the power supply adapter or the evaluating device sufficiently filtered Does the output of the supply voltage correspond with the required output gt s the electrical connection established based on the enclosed wiring plan gt s the cable shield correctly connected to both sides of the protective earth conductor PE gt s there a potential difference between the PE on the flow meter and the PE at the evaluating device gt s a compensation line to eliminate the potential difference needed between the flow meter and the evaluating device gt s the flow meter permanently attached to the protective earth conductor PE e g via the pipelines gt s the measuring element of the flow meter insulated to the protective earth conductor PE e g connection via pipes tubes If this applies the measuring element must be connected with the protective earth conductor PE gt s a continuous connection of the cable shielding protective earth conductor PE installed via the housing the 4 pin to 5 pin round pin plug to the measuring element of the flow meter gt s the cable installed free of interference and is it impossible to couple interfering impulses
19. ed with quarter gear division increments The corresponding suppressed partial volumes of the respective size are listed in Table 4 Changes can also be performed during operation and become active after pressing the S2 key The electronics is sensitive to electrostatic discharges People making adjustments to the electronics must first discharge their electrostatic charges using a grounded object 17 Alarm and Warning Messages The electronics of the RS flow meters can detect five events that could lead to measurement errors In case of serious errors the third output has a high signal or a pulse signal if activated with the bridge B1 The diffe VSE measurement The red LED is linked with the error output Each active state of this LED or the error output signals an event that has negative effects on the measure ments rent error causes can be determined with the states of the three LEDs Table 6 Alarm and warning messages Warning Offset adjustment necessary Alarm Interpolator electronics errors 2 Error at pick up 3 Flow overload max frequency range exceeded gt 100 kHz 4 Fluid temperature gt 120 C 5 Yellow Green Red Flashes on off off Yellow Green Red Flashes off Flashes on Eau Description of the Error Messages LED LED Offset adjustment necessary The sensor and or the preamplifier elec tronics were replaced A different size was set 2 Electronics errors Defe
20. gear division of the sensing wheel within the measuring element is divided by the set interpolation factor This forms the measurement volume per pulse V with the defined unit cm pulse The frequency of the output signals can be calculated as follows Formula 1 Calculation of the output frequency with Q in l min m Ge V 60 f Q 1000 Table 2 Formula 2 and the subsequent diagrams can be used to determine the corresponding resolution or the corresponding IPF for the respective application Adjustable interpolation factors IPF 1 2 5 10 25 32 50 64 100 128 VSE measurement Table 3 Measurement volumes and K factors Interpolation Measurement K Factor K Factor Interpolation Measurement K Factor K Factor factor IPF volume V Imp l Imp gal factor IPF volume V Imp I Imp gal cm Imp cm Imp 1 0 5815 1720 6510 1 3 138 319 1206 2 0 29075 3439 13020 2 1 569 637 2413 5 0 11630 8598 32549 5 0 6276 1593 6032 10 0 05815 17197 65098 10 0 3138 3187 12063 25 0 02326 42992 162745 25 0 12552 7967 30158 32 0 01817 55036 208335 32 0 09806 10198 38603 50 0 01163 85985 325489 50 0 06276 15934 60316 64 0 00909 110011 416440 64 0 04903 20396 77207 100 0 00582 171821 650419 100 0 03138 31867 120632 128 0 00454 220264 833797 128 0 02452 40783 154382 RS 800 RS 2500 Interpolation Measurement K Factor K Factor Available soon factor IPF volume V Imp I Imp gal em Imp 10 00000 100 379 2 5 000
21. gt sthe 4 pin to 5 pin round pin plug of the connection cable firmly attached to the plug of the flow meter gt Are the wires at the evaluating device connected correctly gt Does the entire system meet the legal rules and regulations concerning electromagnetic compatibility EMC gt Is compliance with all local rule and regulations applicable rules guidelines and basic conditions of the EMC ensured gt safety mechanisms must be checked at regular intervals 6 Maximum Operating Pressure Before installing the flow meter you must check whether the max operating pressure of the system does not exceed the max permissible operating Important Please contact VSE with all operating pressures gt 450 bar and in case of special models Systems where a malfunction or failure may lead to personal injuries must be equipped with suitable safety mechanisms The function of these pressure of 450 bar of the flow meter Make sure to keep in mind that peak pressures may occur when operating the system 7 Information about the EU Pressure Equipment Directive 97 23 EC VSE flow meters of the RS series qualify as pressure equipment as de fined by Section 1 Paragraph 2 1 4 of the directive listed above and as such are affected by the regulations of this directive VSE flow meters must therefore meet the technical requirements specified in Section 3 Paragraph 1 4 of the directive The fluids to be measured are for t
22. he flow meter These components are potential sources of interference especially if the inductors are not provided with adequate protective cir cuits produce high interference pulses during the switching and may disrupt the function of the flow meter even though it complies with the EMC directives Depending on the operating conditions the service life and thus the specific characteristics of the equipment are limited due to wear corrosion deposits or aging The operator is responsible for carrying out periodic inspections maintenance and re calibrations Each observation of a malfunction or damage makes it necessary to stop operation We can loan a device for the duration of the overhaul if requested We recommend an annual inspection 21 Returning for Repairs and Sample Devices Repairs on the flow meter and other components can be carried out quickly and efficiently only if you include detailed information about the claim or defect when returning the device In addition a safety sheet must be enc losed clearly indicating what fluid has been used with the flow meter and how hazardous this fluid is Compliance with the laws on occupational safety such as Workplace Re gulations ArbStattV Accident Prevention Regulations and Regulations on Environmental Protection Waste Law AbfG and Water Act WHG re quire that businesses protect their employees and other people as well as the environment from harmfu
23. he measurement accuracy de grades while it may improve with fluid with a high viscosity gt 21 mm2 s Note also that the flow measuring range is limited at higher viscosity see data sheet of the flow meter The characteristic pressure loss curves are listed in Section 23 VSE measurement 9 Mounting the Flow Meter The flow meter should be mounted in an easily accessible location so that disassembly to clean the measuring elements is easy Since flow meters operate in any installation position and flow direction you can mount it anywhere in your system When installing the flow meter make sure that liquid remains in the flow meter even at standstill of the system and that the flow meter can never run dry The outlet of the flow meter should always have a certain backpressure since this fixes the measuring element of the flow meter in the liquid column the measuring element uses to support itself on the liquid column and the pipeline cannot empty itself In critical cases or ifthe pipeline can run empty in standstill or standby mode it is always advisable to install an additional non return check valve in the outlet line Important Flow meters of the RS series can be installed in the pipeline Always se lect large cross sections if possible for the hydraulic inlet and outlet or the entire pipeline system This reduces the pressure drop and the flow rate throughout the system Installation Notes Ins
24. he most part Group 2 fluids acc to Section 9 Paragraph 2 2 VSE flow meters do not reach the limit values specified by Section 3 Paragraph 1 1 The technical requirements for VSE flow meters are therefore confined to 8 Flow Rate Measuring Range of the flow meter refers to the test fluid hydraulic oil with a viscosity of The flow rate measuring range specified in the data sheet Q Q max 21 mm s at a temperature of 20 C For this measuring range VSE spe cifies accuracy up to 0 3 of the measured value and a repeatability of 0 05 Important Verify that the specified maximum permissible operating pressure of the flow meter can never be exceeded in any operating mode of the system Also pay attention to the flow measuring range which is dependent on the viscosity of the fluid to be measured the criteria specified in Section 3 Paragraph 3 This means that the devices must be designed and manufactured in accordance with the provisions of good engineering practice applicable in a member state This is hereby confirmed The section also stipulates that such pressure equipment and components or accessories are not allowed to bear the CE marking in ac cordance with the Pressure Equipment Directive This means that a declara tion of conformity is not issued for VSE flow meters and the devices are not provided with the CE mark as pertaining to Directive 97 23 EC In fluids with low viscosity lt 21 mm s t
25. he preamplifier is protected against reverse polarity and incorrect connection It is designed for media temperatures of 30 C to 120 C and is mounted directly on the RS flow meter VSE measurement 2 General Description Please follow all instructions in this manual to ensure the trouble free opera tion of the RS flow meters VSE does not assume responsibility or liability for damages resulting from noncompliance with these instructions 3 RS Flow Meter Selection For the trouble free safe and reliable operation of the flow meters se lecting the correct type and size is critical Because of the wide variety of applications and flow meter designs the technical data in the VSE catalo gue are general in nature Certain properties of the devices are dependent 4 Declaration of Conformity Flow meters of the RS series have been tested for their electromagnetic compatibility and interference emissions as outlined by the EMC Directive and are in compliance with the applicable statutory EMC Directives They cannot be operated independently are connected by cable to a po wer source and provide digital electrical signals for electronic evaluation All flow meters have a declaration of conformity which can be requested if necessary 5 General Operating Requirements Before assembly or putting into operation commissioning check and verify the following properties and aspects of the respective circumstances of your system
26. id dependent as anti friction bearing or SSIC wolfram carbide friction bearing FPM standard PTFE NBR EPDM upon request 30 C 120 C 1 1 000 000 cSt Any using selectable connection units also customer specific 9 28 VDC 65 mA at 24 VDC unloaded lt 8 mps IP 65 15 VSE measurement 23 RS Flow Meter Flow Characteristics Size 100 Flow range O up to 120 l min 1000 mm Is 8 27 lt 2 par 9 ES 500 mm s o o 4 N g Q 3 o 2 D u 2 100 mm s g 2 3 1 21 mm s u 9 T T t t T T 0 10 20 30 40 50 60 70 80 l min 100 120 Flow range Q Size 400 Flow range O up to 500 l min 1000 mm s 8 7 500 mm s bar a 100 mm s w 21 mms N Flow range pressure drop Ap 0 1 0 50 100 150 200 250 300 350 400 l min 500 Flow range Q Size 800 Flow range O up to 1 000 l min 1000 mm s bar a gt w N Flow range pressure drop Ap 0 T 0 100 200 300 400 500 600 700 800 l min 1000 Flow range Q 16 Flow range ipressure drop Ap Flow range O up to 10 l min 21 mm s o o a Jg E o o R 0 03 0 02 0 01 500 mm s 100 mm s 21 mm s
27. l effects when handling hazardous substances 22 RS Flow Meter Technical Data VSE measurement If additional precautions are required despite careful draining and cleaning of the flow meter the associated required information must be included when returning the device Please note that inspection and repair is only performed on flow meters returned to VSE GmbH if the safety sheet of the used fluid is enclosed and if the flow meter has been completely cleaned and flushed This is to protect our employees and makes our work easier In case of noncompliance with this rule the devices are returned to the sender without attaching postage to the package Overall size Measuring range RV Qax Ymin ccm rev RS 100 0 50 100 120 15 7 0 5815 RS 400 1 00 400 525 56 5 3 138 RS 800 4 00 800 1000 180 0 10 Frequency range 0 100 kHz adjustable Measuring accuracy RS 800 Repeatability Materials Gray cast iron version Stainless steel version 0 05 with same operating conditions K Factor K Factor Filtering Imp l min Imp l max pm 1720 220 000 450 250 318 40800 450 250 100 12800 450 500 0 3 0 576 of measured value at viscosity of 21 cSt EN GJS 400 15 EN 1563 100 Cr Stainless steel 1 4305 1 4112 additional available upon request Bearing Seals Fluid temperature Viscosity range Installation position Supply voltage Current consumption Delay time Protection type Flu
28. rom channel A to channel B or via the separate direc tional signal Three current limited and short circuit proof power amplifiers channel A channel B DIREC ERROR integrated adjustment to a characteristic impedance of 75 Q driver current approx 300 mA at supply of 24 V small saturation voltage of up to 30 mA load current short switching times integrated freewheeling diodes against V and GND ther mal shutdown with hysteresis in case of error the outputs are high impedance The 24 V line drivers are designed for control applications with cable adjustment Electronics fault e g faulty interpolator sensor errors e g sensor failure offset adjustment necessary overload flow peaks frequency error gt 100 kHz temperature error gt 120 C V 10 28 VDC approx 40 mA total current consumption depends on output load noload 13 VSE measurement 19 Preamplifier Technical Data Fig 6 depicts the pin assignment of the preamplifier This plug has five pins Two pins are for the power supply pin 1 and 3 two for the signal output of channel 1 2 pins 2 and 4 and a separate output for error or direction detection pin 5 However please note that the cable shield at the plug side is on the metal housing of the plug The connection cable shield must be applied on both sides The shield is used to connect the PE from the evaluation electronics to the preamplifier housing and the measuring element of
29. rotary coding switches the IPF and the degree of filtering are programmed Fig 4 Preamplifier electronics S3 el el s El Bl Preferred direction RS 400X 0 0 7845 1 569 2 3535 3 138 3 9225 4 707 5 4915 6 276 7 0605 7 845 8 6295 9 414 10 1985 10 983 11 7675 RS 800X 0 2 5 5 0 7 5 10 0 12 5 15 0 17 5 20 0 22 5 25 0 27 5 30 0 32 5 35 0 37 5 Settings P FILTER 12 C 11 VSE measurement During initial startup the switch S2 must first be set to the corresponding preferred direction of the flow The positive flow direction of the RS flow meter system is specified in the top view of the 5 pin M12 connector In this case the switch S1 must be set to ON For the opposite negative direction the switch position is to be down and thus set to OFF This setting ensures that the pulse filtering is activated in the right direction from the very begin ning after switching on the supply voltage Pin 5 of the M12 connector is either used for the separate direction signal or an error signal This is set accordingly with the bridge B2 The figure above depicts the bridge attached to the middle and right pin of the 3 pin row of pins which routes the separate zero signal to the third output If the bridge is on the left and middle pin the error signal in case of a fault is output A description of the error states is found in the Alarm and Warning Messages
30. st the resolution explicitly to the downstream connected evaluating unit for obtaining highly precise measuring results of the entire system This ap plies to the following application cases for example Measuring controlling and regulating high viscosity fluids Measuring controlling and regulating in lower flow ranges Measuring controlling and regulating when passing through zero Measuring controlling and regulating in both flow directions Measuring controlling metering and filling of small volumes A blocked flow meter is capable of stopping the entire flow An overpressure bypass valve must be installed in the system side VSE measurement solids are prevented from entering the measuring elements thus preventing damage to the flow meter The required filtering depends on the size bea ring and design of the flow meter The filter size for flow meters with slide bearings in special designs or with specially adapted measuring element tolerances can be obtained from VSE GmbH upon request The resolution is selectable in steps from factor 1 to 128 The frequency range is from O to 100 kHz In case of a T channel evaluation a separate directional signal is availa ble The preamplifier is protected against reverse polarity and incorrect con nection It is designed for fluid temperatures of 30 C up to 120 C and is mounted directly on the RS flow meter The fluid volume passed through by one
31. tallation Position Any note arrow indicating preferred direction if necessary calibration ar row Mount the device in such a way that the preamplifier is turned away from any potential heat source Straight pipe sections are not required in inlet outlet Connecting Units If the connecting units mounting flanges are to be installed on site compli ance with the specified torque is required Make sure that the flow meter measuring elements are always completely filled both in inflow and outflow and that the outflow has a little backpressure This prevents the measuring elements from being damaged by a sudden and steep increase of flow and at the same time improves measurement accuracy Non return valve Cc Flow meter Tank Fig 1 Flow meter with backpressure Pipe Thread Please comply with the screw in depths and sealing systems Teflon tape or liquid sealants such as adhesives are not permitted Fastening The devices must be installed stress free into the pipeline This is accomplis hed with fastening screws located at the face sides in the connecting units For stress free assembly the compressive strength may be limited Tabelle 1 Starting torque of the connection units RS 100 70 Nm RS 400 120 Nm RS 800 240 Nm RS 2500 Available soon 10 Cleaning and Flushing of Pipeline before Initial Start Up Before initial start up of the flow meter you must flush and clean the whole system to prevent contaminants from re
32. to ensure operation is trouble free safe and reliable 1 The Fluid to be Processed s the flow meter suitable for the fluid s the fluid viscous or abrasive Does the fluid have fillers or other additives s it necessary to install an upstream hydraulic filter Which cleaning agent is being used Are fluid and cleaning agent compatible with the seals HLbbLbtLteLb ids 2 Hydraulic Properties of the System Please note that the flow range is less with higher viscosity Does the pump have enough power to operate the system LHhLbbbtbu tid maintained at regular intervals Are pipelines tubes and the entire system completely deaerated The device may only be opened within the warranty period after consulta tion and approval by VSE on type size and measuring range as well as the liquid to be measured Please contact VSE or one of our sales and service representatives for detailed information about the appropriate flow meter for your particular application Since the electromagnetic compatibility of the entire measuring sy stem is also dependent on the installation of the cables the correct connection of the shield and each individual connected device all components must comply with the EMC Directive and the electroma gnetic compatibility of the entire system machine or system must be ensured as well All flow meters have been tested in accordance with the applicable statuto ry EMC Directives of EN 61000 6
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