Operating instructiOns for flow meters of the product line “Vs in
Contents
1. Before assembly and before initial start up you have to note the following properties and aspects of the corresponding characteristics of your system so that a trouble free and safe operation is possible 1 The process fluid s the flow meter suitable for the fluid s the fluid viscous or abrasive s the fluid contaminated or is there solid matter in the fluid Does the fluid have fillers or other additional material s it necessary to install a pre switched hydraulic filter What cleaning agent is being used Are the fluid and the cleaning agent compatible with the seals 454545454544450 Are the pipe lines and the entire system completely deaerated The gaps in the teeth of the meter wheels form meter chambers in the areas in which they are completely enclosed by the housing walls these cham bers digitalise liquid flow depending on their chamber volume The liquid flow quantity within one meter rotation of a tooth division forms the volume measurement per pulse V_ and is defined in cm pulse It iden tifies the constructional size of a flow meter Opening the devices during the term of guarantee is only authorised after consultation and approval of VSE are of a general nature Performance of the flow meter depends on type size and meter range and on the liquid that is to be measured Please consult VSE for an exact description shielding and each single connected device you must ensure that all co2. lt 1 _ 15 flow direction from A B gt lt 1 2ndflow direction from B 9 A gt y y y y Y Signal from channel 1 1 3 1 1 3 gt 4 Y y y y y y Signal from channel 2 2 4 2 2 4 2 gt gt one volume measurement Change in the one chamber volume direction of flow one tooth one tooth gap Q 0 ml min one movement of tooth 360 Fig 2 Signal output of preamplifier Power supply voltage in voltage range U 10 28 V DC You can ope rate the preamplifier with any voltage in this voltage range Uy but make sure that the signal voltage is always adjusted to the power supply voltage Important magnetic compatibility directives The no load current reception of the preamplifier depends on each power supply voltage Power supply voltage U 12 V DC lomaxi2 29 mA Power supply voltage U 24 V DC lomax24 40 mA Max current per channel lkmax 20 mA the current 1 is dependent on the input impedance of the evaluation electronics Total current reception at 12 V DC loi 65 mA lotor lomax12 2 limax Pas 0 78 W Total current reception at 24 V DC loi 80 mA lotor lomax24 2 IKmax Pax 1 92 W 8 Please make sure that no extra inductive elements are connected in the power supply of the flow meter such as contactors relays valves etc These components are potential sources of interference espec
3. 1 U 1 80 at 24 V max P 1 92 W at 24 V 90 30 max 1 1 15 max Aluminium IP 65 measurement VSE Flow response curves VS 0 02 VS 4 e eo e n E aL E o e Ire N eo e e e N O E O 8 3 3 3 2 LL LL VS 0 02 N T Ne dy aoupjsisal o o dy 04515 2 2 E 1 a E E N e o S 2 2 INL I E i t c N E S EIER ME NI o LN i N E e e ANE wo gt lt o 3 CL 3 MEE DN Me o E 2 3 J J ee dy _ gt dy 0 Mol gt dy eounjsisoi gt dy Moly VSE measurement Dimensions VS 0 02 VS 4 Cast iron version Stainless steel version View X Connection diagram Housing without milled edge Plug position for VS 0 02 to VS 0 4 and VS 4 Cast iron version View X Connection diagram O ring DE N RA Centring bore hole Plug position for VS 1 VS 2 0 02 100 80 91 M 12 0 9 114 58 70 40 20 11 2 2 8 3 4 0 04 100 80 92 M 11 5 9 115 59 70 40 20 11 2 2 8 3 4 0 1 100 80 94 M 9 9 117 61 70 40 20 11x2 2 8 3 4 0 2 100 80 94 M 9 5 9 117 61 70 40 20 11x2 3 0 3 7 0 4 115 90 96 5 8 11 5 16 120 63 5 80 38 34 1796x2 62 4 0 5 0
4. 1 130 100 101 M8 12 5 16 124 68 84 72 34 1796x2 62 5 3 6 8 130 100 118 M8 15 16 141 85 84 72 34 1796x2 62 6 7 8 4 4 180 140 145 M12 20 30 168 110 46 95 45 36 17x2 62 14 7 18 4 Dimensions in mm 12 VSE measurement Dimensions subplates AP 02 4 Connection position side Flow meter Subplate Connection Thread depth Weight only for AP 4 U Connection position below Flow meter Subplate 13 VSE measurement Technical specifications VS 10 Size Measuring range Frequency Pulse value K factor l min VS 10 1 5 525 Measurement accuracy Repetition accuracy Material Meter bearing Weight Seals Max operating pressure Medium temperature Ambient temperature Viscosity range Installation position Flow direction Running noise Power supply version Frequency range Pulse output Channel offset Pulse width repetition rate Preamplifier housing Protection type Flow response curves VS 10 14 Hz cm pulse 7 50 2625 00 3 333 300 up to 0 5 of measurement value with viscosity gt 20 mm s 0 05 under the same operating conditions Cast iron EN GJS 600 3 EN 1563 Ball bearings or steel plain bearings medium dependent 70 kg without subplate FPM standard NBR PTFE or EPDM 420 bar 6000 psi 40 120 C 40 F 248 F 20 50 C 4 F 122 F 5 100 000 mm s any db A 10 to
5. 28 volts DC 0 2625 Hz 2 x push pull output stages reverse polarity proof short circuit proof low signal GND high signal 1 U 1 80 at 24 V max P 1 92 W at 24 V 90 30 max 1 1 15 max Aluminium 65 10 000 mm s 1000 mm s pulse litre 280 mm s 100 mm s 50 mm s 21 mm s 11 mm s Ap Flow resistance 0 50 100 150 200 250 300 350 400 l min 500 525 Dimensions VS 10 Dimensions subplate APG 10 APG 10 SGON 1 View X M10 Connection surface VS 10 Weight 21 kg APG 10 SWON 1 180 X 140 View X A H 794 M16 27 deep d M10 7 E UE NS MA 9 D SP _ e 8 ae 4 4 022 Connection surface VS 10 Weight 30kg VSE measurement View X Connection diagram Weight 70 kg Dimensions in mm Dimensions in mm 15 VSE measurement Type key Flow meters VS Example VS1 EP012V n V 1 GP012V 32N11 1 HT Pick up system for high temperatures Product line Modification id no Connection Preamplifier Signal output Quantity of pick up sensors Sensor pick up system Seal type Meter tole
6. Flow direction 1 Flow direction 2 Voltage ranges Power supply voltage Uy 10 28 V DC Signal voltage Uss Uy 1V 17 VSE measurement Plug assignment N 7 Connection diagram 1 Volts U 2 Channel 1 white K1 Pulse 3 O0 Volts blue OV p 4 Channel2 black ko rocessor wv w 3 j 82 Pick up system for high temperatures HT For medium temperatures gt 120 the high temperature HT versions by VSE have to be deployed Flow meters of stainless steel are used exclusi vely in this case The sensor or pick up system consists of a sensor unit which is screwed into the cover of the flow meter and a downstream amplifier The amplifier is connected with the flow meter via a temperature stable cable and has to Plug assignment HT Pin 2 digital signal Pin 3 power supply OV Channel 1 Supply Volts Supply 0 Volts Channel 2 re Modification of flow direction indicator after after by interchanging channels channel 1 _ channel 2 be installed outside the high temperature zone The ambient temperature should be no more than 50 C in this area The digital signals are emitted as PNP or NPN signals depending on amplifier version With extensive cable lengths we recommend using shielded cables and a pull down PNP signal or pull up impedance NPN signal Pin 1 power supply U 10 30VDC Pin 4 free Top view of plug 18 VSE
7. flow meter range specified in the flow meter data sheet max temperature of 20 C For this flow meter range VSE specifies measurement accuracy of up to 0 3 of the measurement value and a repetition accu racy of 0 05 Important Assembly of the flow meter The flow meter should be mounted on an easily accessible location so that dismantling for cleaning the meter presents no problem Since flow meters can work in any installation position and flow direction you can mount it on any location of your system that you wish Take care when installing the flow meter that always liquid remains in the flow meter even at system standstill and that it can never run empty The outflow of the flow meter should therefore always show a certain back pressure In critical cases or when the pipe line is at standstill or standby and can run empty we recom mend installing an extra non return valve in the outflow line Important Flow meters of the VS product line can be mounted directly onto a block or into the pipe line using four screws Always select large cross sections for the hydraulic supply and return flow respectively for the entire pipe line system if possible This lowers the fall in pressure and the flow rate in the total system VSE supplies subplates for all flow meters of the VS product line they have various pipe threads and side or rearside connection see subplates data sheet Depend
8. measurement Connection diagrams HT i i i U m i 4420 i i R i JTUL 13 i i i Pulse output NPN version Technical specifications HT Sensor Unit Medium temperature Number of pick ups Pick up Electrical connection Seals 40 C 210 C 1 or 2 pick ups magnetoresistive cable gland FPM or EPDM Pulse output PNP version Amplifier pick up system for high temperature range HTS 1 Supply voltage Current consumption Signal output PNP Signal output NPN Electrical connection Max ambient temperature U 10 30V DC 10 ly ca 18 mA idle motion without lead High Sign Us U 1 V 1 25 mA max Low Sign 0 V 1 25 mA max 4 pin round plug M12 Protection class Pull Down resistor Rc Pull Up resistor Rc Dimensions flow meter HT NPN HTS 1 1 20 C 50 C IP 64 4 7 10 KQ PNP Version 4 7 10 KQ NPN Version View X M12 x 1 Centre bores size D E G K L M N VS 0 04 100 M 11 5 29 59 70 40 20 VS 0 1 100 M 9 29 61 70 40 20 VS 0 2 100 M 9 5 29 61 70 40 20 VS 0 4 115 M8 115 16 63 5 80 38 34 VS 1 130 M8 12 5 16 68 84 72 34 VS 2 130 M8 15 216 85 84 72 34 vs 4 180 M12 20 110 46 95 45 only available as single channel version Pick up system for high temperature ranges P O ring Weight 22 11 x2 3 3 22 11 x2 3 3 22 11 x2 3 6 22 18 x 2 62 49 22 18 2 62 6 7 22 1
9. permitted operating pressure of the flow meter Meanwhile observe the top pressures that can occur when operating the system Important Please consult VSE for all operating pressures gt 450 bar 6500 psi and for special versions VSE measurement s the max operating pressure of the system lower than the max permitted operating pressure of the flow meter s the max fall of pressure Ap on flow meter below the max permitted fall of pressure Does an excessively great fall in pressure Ap occur on the flow meter at max flow e g with higher viscosity Does the flow range of the flow meter depending on viscosity correspond to the provided flow Does the temperature range of the flow meter correspond to the provided max temperature of the medium s the cross section of the pipe line large enough and are the falls in pressure in the system not excessive s the hydraulic connection supply and reverse flow correctly connected and leak proof A blocking flow meter can stop the whole flow Is a pressure control valve bypass provided in the system Have you selected the optimal flow meter and is this equipped with the appropriate preamplifier Does the power supply voltage of the flow meter correspond to the provided voltage s the power supply voltage supplied by the mains or evaluation device sufficiently steady Does the output of the power supply voltage correspond to the required power output Has the electric c
10. take care that the connecting cable is laid in an interference free Maintenance Sending back of repairs and sample devices It is imperative that you enclose an exact description of the complaint ob jection or fault when returning the device so as to ensure a rapid and economic repair of the flow meters and other components Furthermore you must include a security sheet which informs unambiguously which fluid was run with the flow meter and how dangerous this fluid is The maintenance of legal regulations as regards work safety such as work place regulations accident prevention regulations stipulations on environ mental protection waste disposal and the water management law obliges industrial corporations to protect their employees and other persons and environment against harmful effects when handling hazardous materials Only use well shielded cables for the connection cable with a wire cross section of gt 4 x 0 25 mm Please make sure that the housing of the round plug is metallic that it has a connection for the shielding and that the potential of the earth conductor PE is connected to the cable shielding and the housing of the preamplifier If there are potential differences between the preamplifier housing and the earth conductor PE of the evaluating electronics you have to lay a correcting earth Working life is dependent on operating conditions and thus the specific properties of the devices limited thr
11. 1 4 NPT x SAE 2 G G1 1 2 11 2 Connection Connection position side position side Connection below Size vs 0 02 0 4 vs 0 4 VS 0 04 VS 1 VS 04 1 vs2 VS 0 2 4 Vea 10 VS 10 Material EN GJL 250 EN GJS 400 15 DIN EN 1561 1563 VSE measurement Preamplifier block wiring diagram brown Channel 1 2 white Volts gt 3 c gt blue 2 Channel 2 9 4 black VW 0 e o Sensor 2 signal transformation push pull amplification output stages rae eae Equipotential bonding Leo Output signals on preamplifier Flow meter VS 0 02 VS 4 Flow meter VS 10 Meter rotation by one measuring wheel division Gear rotation of one gear tooth pitch 1 puls per throughput amount of liquid by one division 3 impulse pro volume 10 cm of one tooth pitch 3 Volume measurement cm pulse mt Volume measurement cm Imp Channel 1 Channel 1 d nann Es 2 Channel offset by Channel offset by T 1 4 division 90 1 4 of tooth pitch 90 Channel 2 2 gt Impulse mark space ratio 1 1 Pulsewidth repetition rate of one pulse adjust at preamplifier adjusted to preamplifier gt j Flow direction 1 Flow direction 2
12. 8 x 2 62 8 3 12 36 17 x 2 62 18 3 19 VSE measurement Accessories HT Distribution cable for connection of two HT pick ups on a VSE connecting cable Connection diagram 2 channel HT pick up system Distribution cable VSE connecting cable Flow meter 5 HT 1 Volts 2 JUL HTS 1 3 0 Volts y 4 1 am Volts am MM Channel 1 e mm OVolts 1 volle 3 amm UL Channel 1 2 IT HTS 1 gt 3 Volts i 20 VSE measurement EG Konformit tserkl rung EC Declaration of Conformity CE Declaration de Conformite Wir We Nous 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 tric type VS _32N1 Anstelle der Sterne sind Buchstaben und Ziffern eingesetzt die den Volumensensor kennzeichnen welche aber keinen Einfluss auf die EMV VSI 32W1 bes Instead of stars there are insert letters and numbers which marked the flow meter but have no influence on the EMC Des lettres et des chiffres symbolisant le capteur volum trique sont mettre en lieu et place des ast risques Ils n ont aucune influence sur l EMV auf di
13. SE for the corresponding information VSE supplies bypass plates the corresponding for all VS flow meter sizes Flow meters are measurement pick up systems made with high level preci sion They have a mechanical meter consisting of two toothed wheels and which is adapted to the housing with narrow slots Even the tiniest damage to the toothed wheels and bearings can cause a measurement error So always make sure that no extraneous material gets into the meter and that the fluid flowing through is always free from dirt and contamination After the system has been carefully flushed out and no extraneous material is in the pipe line you can mount the flow meter and commence the initial start up Table 2 Pre switched filters Flow meter size Filter size for ball bearings VS 0 02 0 04 0 1 10 pm VS 0 2 0 4 20 pm vs1 2 4 10 50 pm For information on filter size for flow meters with plain bearings in spe cial version or with specially adjusted meter tolerances please consult VSE GmbH and NPN inputs to the outputs The two channel output of digital signals enables a higher measurement resolution and also a direction recognition of the flow VSE measurement 1st Flow direction Ut 2nd Flow direction Decreasing flow lowering of sensor frequency Increasing flow raising of sensor frequency gt
14. VSE measurement OPERATING INSTRUCTIONS for flow meters of the product line VS in Standard Version VSE Volumentechnik GmbH H nnestra e 49 58809 Neuenrade Germany Phone 49 0 2394 61630 Fax 49 0 2394 61633 E Mail info vse flow com Internet www vse flow com Table of Contents Page Important basicinformationz oras di dy DER ne 3 General function description of flow meter 4 er adres pue vo bebe wee wa 4 cede aaa dane bday GUERRE SN CEO say ede med eee 4 Declaration of Conformity ssc seer es cs cease de ne ehe sme de cere eee 4 General conditions for initial start up 4 Maximum operating pressure 0 6 0 ne 5 Statement to EU Directive 97 23 EG Pressurized devices 5 Flow meterrange cec te A LE ER E RU E ERRE 6 Assembly of the flow meter 00 00 cece 6 Cleaning and flushing of pipe lines before initial start up 7 honte redit E Panay te ee Pagers 7 en cede dre eet rae 7 Maintenance needed ran ee died da edi eg 9 Sending back of repairs and sample 0 9 Technical specifications VS 0 02 VS 4 0 0 0 0 cece eee ees 10 Flow response
15. al specifications VS 0 02 VS 4 Size Measuring range Frequency Pulse value K factor l min Hz cm pulse pulse litre VS 0 02 0 002 2 1 667 1666 67 0 02 50 000 VS 0 04 0 004 4 1 667 1666 67 0 04 25 000 VS 0 1 0 01 10 1 667 1666 67 0 1 10 000 VS 0 2 0 02 18 1 667 1500 00 0 2 5 000 VS 0 4 0 03 40 1 250 1666 67 0 4 2500 VS 1 0 05 80 0 833 1333 33 1 1000 VS 2 0 1 120 0 833 1000 00 2 500 VS 4 1 0 250 4 167 1041 67 4 250 Measurement accuracy Repetition accuracy Material Meter bearing Seals Max operating pressure Medium temperature Ambient temperature Viscosity range Installation position Flow direction Running noise Power supply version Pulse output Channel offset Pulse width repetition rate Preamplifier housing Protection type 10 up to 0 3 of measurement value with viscosity gt 20 mm s 0 05 under the same operating conditions Cast iron EN GJS 400 15 EN 1563 or Stainless steel 1 4305 Ball bearings or steel plain bearings medium dependent FPM standard NBR PTFE or EPDM Cast iron EN GJS 400 15 EN 1563 Stainless steel 1 4305 40 120 C 40 F 248 F 220 50 C 4 F 122 F 1 100 000 mm s 315 bar 4500 psi 450 bar 6500 psi any any max 72 db A 10 to 28 volts DC 2 x push pull output stages reverse polarity proof short circuit proof low signal GND high signal
16. curves VS 0 02 54 11 Dimensions VS 0 02 VS A 22 a he ee e E Re E bx b dele 12 Dimensions subplates 02 4 13 Technical specifications VS 10 0 00 eee e 14 Flow response curves VS e rg e pr dp er VN RR ORE RUE 14 DIMENSIONS VS 10 o cuiua esten aman ge E oce eee edo Beek 15 Dimensions subplate APG 10 15 Type key s eroe pete b bebes 16 Preamplifier block wiring diagram 17 Output signals on preamplifier eee eee ees 17 Plug ssignmeht area ee abide eati ib edes 18 Connection diagram be da ok e cee ee du bee ed RR ea nn 18 Pick up system for high temperatures HT 18 EC D lardtion oF Conformity ascender ee re bare eh bee ES 21 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 instructio
17. e sich diese Erklarung 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 Norm Terms of the directive Standard Prescription de la directive Norme 89 336 EWG Elektromagnetische Vertraglichkeit EN 61000 6 4 2001 89 336 EEC Electromagnetic compatibility EN 61000 6 2 2001 89 336 CEE Compatibilit lectromagn tique Qualit tsmanagementsystem DIN EN ISO 9001 2000 12 Quality management QA Nr 04 100 19960054 Direction de Qualit Neuenrade den 07 07 2006 J Ort und Datum der Ausstellung Place and date of issue Lieu et date d tablissment Axel Vedder Technischer Leiter Technical Director Directeur Technique 21 VSE measurement Notes 22 VSE measurement Notes 23 VSE measurement VSE Volumentechnik GmbH H nnestra e 49 58809 Neuenrade Germany Phone 49 0 2394 61630 Fax 49 0 2394 61633 E Mail infoGvse flow com Internet www vse flow com 04 09 www plakart de
18. es are permitted depending on flow meter version gt meter in grey cast iron version p 7 315 bar 4500 psi Pha 450 bar 6500 psi Prox UP to 700 bar 10100 psi meter in stainless steel version gt Flow meter in special version Statement to EU Directive 97 23 EG Pressurized devices VSE flow meters are pressurized devices according to article 1 paragraph 2 1 4 of above mentioned directive Therefore they are subject to the regu lations to this directive According to article 3 paragraph 1 4 VSE flow meters have to conform with the technical requirements of the guideline The fluids to be measured are belonging in most of all cases to the class 2 defined in article 9 paragraph 2 2 VSE flow meters do not reach the limit values as defined in article 3 paragraph 1 1 The technical requirements for VSE flow meters therefore are limited to the parts indicated in article 3 paragraph 3 It means the devices have to be designed and manvfactured in conformity with acknowledged engineering such as practiced in one of the member states This is herewith confirmed Beside this the paragraph declares that these devices must not have a CE marking according to Directive 97 23 EG Therefore we do not issue declarations of CE and our products are not labelled acc to 97 23 EG VSE measurement Flow meter range refers to the testing fluid hydraulic oil with a viscosity of 21 mm s at a The
19. ially if the inductive elements are not provided with an adequate protective circuit generate high interference pulses when switched and can interfere with the functioning of the flow meter although this complies with the electro and that the output signal has a signal level of U U 1 V Permitted for the power supply is a steady direct voltage with a maximum residual ripple of 15 The electric connection of the flow meter is performed via the 4 pin round plug located on the preamplifier housing The connection cable plug is plugged into the plug connection of the flow meter and screwed together Important The shielding of the connection cable is placed on both sides The earth conductor PE is connected via the shielding from the evaluation electronics to the preamplifier housing and the meter The cable shielding should al ways be laid continuously as far as the flow meter and not interrupted in cross connectors or branch sockets Lay the connection cable as directly as possible from the evaluating device to the flow meter since interruptions are always a potential source of error The flow meter must be connected electrically with the earth conductor PE This is normally secured by the earthed pipe lines Important see connection diagram The maximum cable length between flow meter and the evaluation electro nics is approx 120 m With extensive cable lengths as of approx 40 m you must
20. ing on the provided conditions the installed pipe line the pipe cross section or pipe thread the operator can choose the suitable subplate and incorporate this into the system or machine without additional reductions The flow meter is screwed onto the block or subplate with four DIN 912 cheese head screws The screws are to be evenly pre tensed crosswise with the following torques When changing the fastening screws you must take great care that the screws are of property class 10 9 and 12 9 Make sure that the specified maximum permitted operating pressure of the flow meter cannot be exceeded whatever the operating mode of the system Note the flow meter range that is dependent on the viscosity of the fluid to be measured Make sure that the flow meter is always completely filled both in inflow and outflow and that the outflow has a little back pressure This prevents the meter being damaged by a sudden and steep increase of flow and at the same time improves measurement accuracy For fluids of lower viscosity lt 21 mm s measurement accuracy deteri orates while for fluids of higher viscosity gt 21 mm s it can improve Also note however that the flow meter range is restricted in case of higher viscosity see flow meter data sheet Non return valve E Flow meter LJ Tank Fig 1 Flow meter installation with non return valve Block assembly The flow meter is directly mounted onto a subplate or manifo
21. ld extra components are not needed The block contains the hydraulic supply and outflow of the flow meter and the fixing bore holes see flow meter dimension sheet Table 1 Torque of fastening screws Flow meter size cast iron and 1 4305 Torque VS 0 02 VS 0 04 VS 0 1 VS 0 2 15 Nm VS 0 4 VS 1 VS 2 35 Nm VS 4 120 Nm VS 10 250 Nm Please note the special instructions for mounting sizes VS 4 and VS 10 see appendix Important When mounting the flow meter you must take great care that the seals are not damaged and correctly placed in the hydraulic connections of the flow meter Wrongly installed or damaged seals lead to leakage and to an leaky system which may have dire consequences Please make sure that flow meters with EPDM seals do not come into contact with oil and greases on a mineral oil basis These fluids can decompose the seals The yellow plastic plugs in the hydraulic connections of the flow meter protect the meter against dirt and contamination during storage and shipping Before mounting the flow meter you have to remove these plugs so that in and outflow is free and open VSE measurement AN Cleaning and flushing of pipe lines before initial start up Before initial start up of the flow meter you must flush and clean the whole system Contaminated fluids can affect the correct function of the flow meter or seriously damage the meter After preparing and connecting up the system pi
22. mponents correspond to the electromagnetic compatibility directives and that the electromagnetic compatibility of the total system machine or plant is guaranteed All flow meters are tested according to the valid legally prescribed electro magnetic compatibility directives EN 55011 and EN 61000 and possess the CE certification The EC declaration of conformity is the CE label attached to all flow meters Which granular size does the solid matter possess and can it block the meter Are the pipe lines clean and free of assembly residues such as swarf weld chips s the tank clean and is it ensured that no extraneous materials can get into the pipe line system from the tank s the fluid often changed and is sufficient flushing performed in this case Are the seals suitable for the fluid undergoing measurement seal compatibility 2 The hydraulic properties of the system Note that flow range decreases the greater the viscosity Has the pump sufficient power to operate the system 5445444445 3 Electronic evaluation and electrical safety LE illl device Lids has to be connected with the earth conductor PE 4 housing of the flow meter been maintained and observed 4 of these safety devices is to be checked at regular intervals Maximum operating pressure Before assembling the flow meter you have to test that the max opera ting pressure of the system does not exceed the max
23. ns in this operating instruction It is not permitted in any case to open the device These operating instructions for flow meters of the series VS Standard Version from VSE must be stored so that they can be read by the group of authorized 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 instructions 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 Operating manual no E060014 E Date 31 May 2006 VSE measurement General function description of flow meter Flow meters made by VSE Volumentechnik GmbH measure the volume flow of liquids according to the
24. onnection been installed based on the enclosed connection plan s the cable protective shielding correctly connected on both sides on the earth conductor PE s there a potential difference between the earth conductor connection PE on the flow meter and the earth conductor PE on the evaluation Does a correcting lead have to be laid to eliminate the potential difference between the flow meter and the evaluation device s the flow meter connected firmly to the earth conductor PE e g via the pipe lines s the meter of the flow meter constructed to be insulated to the earth conductor PE e g connection via hoses If this is the case the meter s there a continuous connection of the cable protective shielding earth conductor PE via the housing of the 4 pin round plug to the s the cable laid fault free and the installation secured from input of interference pulses s the 4 pin round plug of the connection cable firmly screwed together with the plug of the flow meter Are the wires on the evaluation device correctly and properly connected Does the entire system correspond to the directives of the electromagnetic compatibility laws Have all local valid regulations applicable directives guidelines and background conditions of the electromagnetic compatibility laws Systems that can lead to personal injury through malfunction or failure are to be equipped with the appropriate safety devices The functioning The following operating pressur
25. ough wear corrosion deposits or age The operator is responsible for regular control maintenance and recalibration Any indication of a malfunction or damage prohibits any further use On request we can supply you with a borrowed device for the duration of repair or overhauling We advise to a yearly control and recalibration VSE measurement Pin 2 digital signal 1 channel Pin 1 power supply U 10 28 VDC earth conductor PE Pin 3 Pin 4 power supply digital signal GND U 0 V 2 channel Top view of plug Fig 3 M12 plug connector installed in the preamplifier housing of the flow meter environment that the shielding is connected on both sides of the earth con ductor PE and that there is no potential difference between the two earth conductor connections If further safety precautions are still necessary despite careful emptying and cleaning of the flow meter information on this is imperative and must be included with the returned despatch When returning flow meters to VSE Volumentechnik GmbH please note that inspection and repair will only be performed if the safety specifica tions sheet of the utilised medium is enclosed and the flow meters com pletely cleaned and flushed This protects our employees and simplifies our work If this is not followed the despatch will be returned chargeable to the recipient metal housing connected with the shielding and the VSE measurement Technic
26. pes you must first care fully flush and clean the whole pipe line system and the tank To do this you have to mount a diversion plate onto the block or subplate instead of the flow meter so that the fluid can flow through the diversion plate and all extraneous material e g swarf metal chips etc can be flushed out without obstruction Use a fluid as cleansing agent which is compati ble with the fluid being used later and which does not cause undesirable reactions You can consult the suppliers and manufacturers of the fluid or Important the flow meter Filtering of liquid Strongly contaminated fluid or extraneous material in the fluid can block damage or even destroy the flow meter Always install a sufficiently large filter for these cases in front of the flow meter to prevent damage The neces sary filtering depends on size bearing system and version of flow meter Important valve bypass for the system Preamplifier The preamplifier for the standard version is short circuit proof reverse polarity proof and processes the signals of the scan sensors A high level of interference protection is achieved through the push pull output stages of the preamplifier You can easily connect evaluation devices with both PNP Please flush out the pipe lines and the tank thoroughly to prevent contamination with A blocking flow meter can stop the whole flow You have to provide a control contact V
27. rance Meter bearing Measuring wheel coating Type of connection Material Subplates AP Example Size AP G1 SCO N 1 E Product line Modification id no 16 Version Accessory connection 1 VSE norm connection IP64 non preamplifier integrated external L Power supply volt 10 28 V DC VV 5 modified standard Power supply volt 10 28 V DC VV 3 standard 1 1 Sensor 2 2 Sensor 3 GMR Sensor FPM standard Perbunan PTFE EPDM miav lt diminished range normal range standard enlarged range Range steel plain bearings Bun Ball bearings Spindle bearings Bronze plain bearing Carbon bearing Steel bearing PONa No coating standard Dynamat coating C coating T Titanium coating Plate construction R Pipe line connections G EN GJS 400 15 VS10 EN GJS 600 3 DIN EN 1563 Stainless steel 1 4305 V2A H EN GJS 600 3 DIN EN 1563 high pressure m VS 0 02 VS 0 1 VS 0 4 VS 2 VS 10 VS 0 04 VS 0 2 vs 1 VS 4 Standard version Special version without rinse connection Stainless steel 1 4305 EN GJS 600 3 DIN EN 1563 Connection thread A G 1 4 J 1 4 NPT E SAE 1 2 B G 3 8 K 3 8 NPT T SAE 3 4 G 1 2 L 1 2 NPT U SAE 1 D G3 4 M 3 4 NPT SAE 11 4 G1 N 1 NPT w SAE 1 1 2 F G1 1 4 o 1
28. toothed wheel principle A pair of very precisely adjusted toothed wheels in the housing constitutes the meter A signal pick up system registers meter rotation free of contact and tooth by tooth Each tooth is put out as digital pulse General description Please follow all instructions in this operating manual only this guarantees a trouble free operation of the flow meters VSE is not liable for any dama ge ensuing from non following of these instructions Flow meter selection The correct selection version of type and constructional size is crucial for a trouble free and safe operation of the flow meters Owing to the great number of various applications and flow meter versions the technical specifications in the VSE catalogue material Declaration of Conformity Flow meters of the VS product line are tested for their electromagnetic compatibility and interference transmission in terms of the law on electro magnetic compatibility and correspond to the legal prescriptions enforced by EMC directives They may not be operated independently and are to be connected via cable to a power source and supply digital electric signals for electronic evaluation A declaration of conformity is submitted for all flow meters which you can request if you require Since the electromagnetic compatibility of the total measuring sys tem depends as well on cable layout correct connection of protective General conditions for initial start up
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