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Installing / Mounting

4.3 Sensor orientation

SITRANS F C MC2
Operating Instructions, 10/2009, A5E02154544-02

17

4.3

Sensor orientation

Flow direction

The calibrated flow direction is indicated by the arrow on the sensor. Flow in this direction

will be indicated as positive (a forward/reverse flow calibration is available as an option).

CAUTION

The sensor must always be completely filled with fluid in order to measure accurately.

Installation orientation

The Sitrans F C MC2 operates in all orientations, but the optimal sensor orientation is a

vertical installation with an upward flow. This has the advantage that air and gas bubbles will

move upward out of the meter tube. Additionally, it is easy to drain the meter tube. Deposits

can thereby be avoided.

Table 4- 1

Sensor orientation

Orientation

GAS

LIQUIDS

Vertical

Horizontal

Selfdraining: 2-4°

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Содержание SITRANS F C MC2

Страница 1: ...Coriolis flowmeters SITRANS F C MC2 and MC2 Hygienic Operating Instructions 10 2009 SITRANS F ...

Страница 2: ......

Страница 3: ...ounting 4 Connecting 5 Commissioning 6 Maintenance and service 7 Troubleshooting FAQs 8 Technical data 9 Dimensions 10 Appendix A SITRANS F Flowmeters SITRANS F C MC2 Operating Instructions 10 2009 A5E02154544 02 MC2 DN 50 150 MC2 Hygienic EHEDG DN 20 DN 80 ...

Страница 4: ...umentation for the specific task in particular its warning notices and safety instructions Qualified personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING Siemens products may only be used for the applications described in the c...

Страница 5: ...4 2 Determining a location 16 4 3 Sensor orientation 17 4 4 Vibrations and crosstalk 19 5 Connecting 21 6 Commissioning 25 6 1 General requirements 25 6 2 Zero point adjustment 25 7 Maintenance and service 27 7 1 Maintenance 27 7 2 Transportation storage 27 7 3 Recalibration 27 7 4 Technical support 28 7 5 Return procedures 29 8 Troubleshooting FAQs 31 8 1 General information 31 8 2 Step 1 Inspect...

Страница 6: ...tructions 10 2009 A5E02154544 02 9 1 Pressure temperature range 38 9 2 Pressure drop 39 9 3 Accuracy 40 10 Dimensions 43 10 1 Dimensions of MC2 43 10 2 Dimensions of MC2 Hygienic 46 A Appendix 51 A 1 Accessories and spare parts 51 Glossary 53 Index 57 ...

Страница 7: ...relevant personnel before installing the device 1 1 Items supplied MC2 sensor Sensorprom Calibration report Quick Start CD ROM 1 2 History This document describes SITRANS F C MC2 SITRANS F C MC2 Hygienic Documentation history The contents of these instructions are regularly reviewed and corrections are included in subsequent editions We welcome all suggestions for improvement The following table s...

Страница 8: ...ew warranties or modify the existing warranty Product information on the Internet The Operating Instructions are available on the CD ROM shipped with the device and on the Internet on the Siemens homepage where further information on the range of SITRANS F flowmeters may also be found Product information on the internet http www siemens com flowdocumentation Worldwide contact person If you need mo...

Страница 9: ...ith national regulations For example EN 60079 14 for the European Community Instrument safety standards The device has been tested at the factory based on the safety requirements In order to maintain this condition over the expected life of the device the requirements described in these Operating Instructions must be observed CAUTION Material compatibility Siemens Flow Instruments can provide assi...

Страница 10: ...hat the special conditions for safe use provided in the manual and in the Ex certificate are followed Ex approvals DN 40 1 DN 50 2 II 2G EEx em ib IIC T6 II 1 2 EEx em ib IIC T6 85 86 87 88 89 90 95 96 93 94 91 92 Cor iolis m F T ib e PA PA PA e e e II 2G EEx em ib IIC T6 II 1 2G EEx em ib IIC T6 II 2D T115 C Tmed IP67 Um 60 V SE m ཱ Sensor Terminal box Figure 2 1 Ex layout Temperature specificati...

Страница 11: ...ly safe circuits the connection area can be opened Appropriate cable connectors are used for the output cicuits intrinsically safe blue non intrinsically safe black Sensor and transmitter are connected to the potential equalization For intrinsically safe output circuits potential equalization must be maintained along the entire connection path Sensor insulation thickness is max 100mm only insulate...

Страница 12: ...Safety notes 2 2 Installation in hazardous location SITRANS F C MC2 10 Operating Instructions 10 2009 A5E02154544 02 ...

Страница 13: ...suring principle is based on Coriolis law of movement The SITRANS F C sensors are energized by an electromechanical driver circuit which oscillates the pipe at its resonant frequency Two pick ups 1 and 2 are placed symmetrically on both sides of the driver When the media flows through the sensor Coriolis force will act on the measuring tube and cause a tube deflection which can be measured as a ph...

Страница 14: ...settings for the lifetime of the product Factory settings matching the sensor are thus stored in the SENSORPROM unit and can always be retrieved At commissioning the flow meter commences measurement without any initial programming Also customer specified settings are downloaded to the SENSORPROM unit USM For communication purposes the ASIC has a CAN interface with a Siemens specific protocol This ...

Страница 15: ... F C MC2 Operating Instructions 10 2009 A5E02154544 02 13 3 2 MC2 features Versions The MC2 is available as a standard and as a hygienic version holding the EHEDG certificate MC2 Standard DN 50 150 MC2 Hygienic EHEDG DN 20 25 and DN 40 80 ...

Страница 16: ... flow density fraction flow Brix Plato and temperature A Cable gland B Pressure guard C Ground terminal D Terminal box Design The MC2 sensor consists of 2 parallel measuring pipes welded directly onto a flow splitter at each end to eliminate a direct coupling to the process connectors and significantly reduce effects from external vibrations The flow splitters are welded directly onto a rigid sens...

Страница 17: ...d on the safety requirements In order to maintain this condition over the expected life of the device the requirements described in these Operating Instructions must be observed The device satisfies the EMC Requirements per EN61326 NAMUR NE21 and the Low Voltage Directive EN61010 1 Use according to specifications covers Use within technical limits Consideration of liquid specifications and referen...

Страница 18: ...nstream The mass flow meter does not require any straight inlet sections Avoid long drop lines downstream from the flow meter to prevent the meter tube from draining min pressure 0 2 Bar Avoid installing the sensor immediately upstream of a free discharge in a drop line Location in the system The optimum location in the system depends on the application For liquid applications the presence of gas ...

Страница 19: ...as an option CAUTION The sensor must always be completely filled with fluid in order to measure accurately Installation orientation The Sitrans F C MC2 operates in all orientations but the optimal sensor orientation is a vertical installation with an upward flow This has the advantage that air and gas bubbles will move upward out of the meter tube Additionally it is easy to drain the meter tube De...

Страница 20: ...2154544 02 Installation in a drop line Table 4 2 Installation in dropline Min pressure 0 2 Bar Installation in a dropline is only possible if a pipeline reduction A or orifice B with a smaller cross section can be installed to prevent the sensor from being partially drained during the measurements ...

Страница 21: ...he pipeline CAUTION Avoid any direct connection of flexible elements and the sensor Install the hoses on the outer side of the shut off devices and the supported flow meter section Avoid crosstalk Mount the sensors on different steelframes keep distance between the sensors or decouple the pipelines if operating more than one meter in one or multiple interconnected pipelines This will prevent cross...

Страница 22: ...Installing Mounting 4 4 Vibrations and crosstalk SITRANS F C MC2 20 Operating Instructions 10 2009 A5E02154544 02 ...

Страница 23: ...lified personnel may carry out work on the electrical connections WARNING Use in hazardous locations MC2 is not allowed for use with SITRANS F C MASS 6000 Ex d and SIFLOW FC070 Ex MASS 6000 19 and IP67 as well as SIFLOW FC070 have to be remote mounted in the safe area Before connecting Check that the serial numbers on the sensor and the SENSORPROM unit are identical WARNING Use in hazardous locati...

Страница 24: ...to be grounded To make this connection make use of the included green yellow cable Cut the enclosed cable lug to the shortest required length Crimp the matching cable lug onto the cable Join both ends and make sure both screws are securely fastened Explosion proof instruments should fundamentally be integrated into equipotential bonding Electrical connection WARNING Use in hazardous locations Spec...

Страница 25: ... 10 2009 A5E02154544 02 23 Figure 5 1 Example of sensor connection print non ex version URZQ 5HG 2UDQJH HOORZ ODFN KLWH UD 3XUSOH OXH UHHQ Driver Temp sensor in PT 100 Temp sensor out PT 100 Pick up 2 Pick up 1 Ground Figure 5 2 Connection schematics ...

Страница 26: ...ited circuits with non hazardous voltage of max 60 V The MASS 6000 and MC2 can be connected with no further approvals Equipment connected to the signal outputs current pulse etc must however obtain the same high degree of isolation from mains supply as the MASS 6000 Class 2 transformer or Class 1 See also For further information on the electrical connection of the sensor to the transmitter see the...

Страница 27: ...justing Install shut off devices in the pipeline When possible both up and downstream of the sensor Otherwise in horizontal installations at the outlet in vertical installations at the inlet CAUTION In order to avoid damaging the pump and interrupting the process it is recommended to install a bypass line Auto zero point adjustment Acclimate the transmitter min 30 min Pump liquid at max flow throu...

Страница 28: ...ero adjust auto Choose the SIMATIC PDM menu Device zero adjust For further information on performing an auto zero point adjustment please refer to the relevant transmitter Operating Instructions After count down 30 s the actual zero point is displayed and the meter ready for operation Figure 6 1 Best practise zero adjustment with a by pass line and two shut off devices ...

Страница 29: ...or is a fragile piece of equipment Impact and shock can cause measuring inaccuracy Therefore during transportation it must be placed in the transportation box delivered by Siemens Flow Instruments If this is not possible the alternative sensor packaging must be able to withstand the hazards from transportation 7 3 Recalibration Siemens Flow Instruments offers to recalibrate the sensor The followin...

Страница 30: ... siemens com WW view en 16604318 Service Support on the Internet In addition to our documentation we offer a comprehensive knowledge base online on the Internet at Service and support http www siemens com automation service support There you will find The latest product information FAQs downloads tips and tricks Our newsletter providing you with the latest information about your products A Knowled...

Страница 31: ...tp pia khe siemens com efiles feldg files Service declaration_of_decontamination_en pdf With this declaration you certify that the returned products spare parts have been carefully cleaned and are free from any residues If the device has been operated together with toxic caustic flammable or water endangering products you are requested to clean by rinsing or neutralizing that all cavities are free...

Страница 32: ...Maintenance and service 7 5 Return procedures SITRANS F C MC2 30 Operating Instructions 10 2009 A5E02154544 02 ...

Страница 33: ... and to improve the application 8 2 Step 1 Inspecting the application The first step in the troubleshooting procedure is to check for some easily resolved problems Check that Sensor and SENSORPROM unit correspond serial numbers The sensor is properly installed The sensor is located in a vibration free position Vibrations can disturb the sensor and therefore cause measurement error The sensor is fi...

Страница 34: ...lating the measurement error Calculating the measurement error The result of the zero point adjustment will show you whether the zero point was set under good and stable conditions The lower the value of ZERO SIGMA the lower the measuring error achievable For a well installed flow meter the ZERO SIGMA value is approximately the same order of magnitude as the specified zero point error for the sens...

Страница 35: ... value is in order to establish what needs to be done to improve the measurement accuracy Example 2 High flow rate application Di 15 sensor The sensor flow rate is specified as max 5600 kg h The zero point error ZERO SIGMA value is specified as 0 2 kg h Flow rate Min 1000 kg h Max 3000 kg h After the zero point adjustment the ZERO SIGMA value Z is read as 1 kg h i e a 5 times greater value than th...

Страница 36: ... tightening the brackets which hold the sensor or turning off the pump to check if vibrations from the pump are disturbing the sensor etc Incorrect installation of the sensor Has the sensor been correctly installed i e fastened to the floor wall or frame with good mounting brackets as shown in the Instructions Especially for low flow rates i e flow rates less than 10 of the maximum capacity of the...

Страница 37: ...sure in the sensor creating a larger back pressure upon the sensor by reducing the opening of the outlet valve or by increasing the pump pressure Thereby the size of air bubbles inside the sensor will be minimized If the value or stability of Driver current falls it is proof that the liquid contains air or gas bubbles Typical causes of air in the liquid The entry pipe and sensor have not been prop...

Страница 38: ...hieved by a nearly horizontal installation with the entry highest and the outlet lowest For MC2 sensors it is achieved by a vertical installation or by a nearly horizontal installation with the entry highest and the outlet lowest 1 Check if solid particles are present in the liquid Take a sample of the liquid fill a glass and see if the solids precipitate ...

Страница 39: ...ture Ex 20 to 180 C Liquid pressure measuring pipe Stainless steel DIN 2413 20 C PN 100 100 100 100 100 100 40 40 Standard SS 1 4571 or Hastelloy C4 Materials Wetted parts Hygienic SS 1 4435 316L Enclosure IP67 Enclosure material connection box 1 4301 aluminium Process connections See Dimensions Page 43 Electrical connections Screw terminals M20 Cable length m Max 300 Cable connection 5 x 2 x o 35...

Страница 40: ...0 kg h Reference conditions Table 9 2 Reference conditions ISO 9104 and DIN EN 29104 Flow conditions Fully developed flow profile Temperature of medium 20 C 2K Ambient temperature 20 C 2 K Liquid pressure 2 1 bar Density 0 997 g cm3 Brix 40 Brix Supply voltage Un 1 Warming up time 30 min Cable length 5 m between transmitter and sensor 9 1 Pressure temperature range Table 9 3 Material load curves f...

Страница 41: ...N 11851 50 1000 2 4 25 363 140 284 40 40 15 50 2 16 232 120 248 40 40 Tri Clamp acc DIN 32676 65 1000 2 4 10 145 120 248 40 40 9 2 Pressure drop Calculation of pressure drop The pressure drop through the instrument is a function of the properties of the fluid and the flow rate The online Sizing Program can be used to calculate the pressure drop Figure 9 1 Pressure drop See also Online Sizing progr...

Страница 42: ...rror kg h qm Mass flow kg h Qmax at 2 0 bar pressure loss at 1 g cm3 Measuring type accuracy Version DN 20 DN 25 DN 40 DN 50 DN 65 DN 80 DN 100 DN 150 Linearity error of rate 0 15 Repeatability error of rate 0 1 Mass flow Max zero point error kg h 0 6 0 96 2 85 5 52 11 34 14 76 24 96 66 00 Density error Standard kg l 0 005 Density error Extended g cm3 0 001 N A Range g cm3 0 3 5 Repeatability erro...

Страница 43: ... 34 50 2 2 65 1081 42 56 1100 43 31 1148 45 20 1218 47 95 1228 48 35 1248 49 13 403 15 87 148 5 83 80 3 15 110 4 33 38 2 50 1197 47 13 1220 48 03 1259 49 57 1250 49 21 1260 49 61 1281 50 43 43 2 65 1081 42 56 1100 43 31 1148 45 20 1218 47 95 1228 48 35 1249 49 17 47 65 2 3 80 1200 47 24 1220 48 03 1260 49 61 1240 48 82 1260 49 61 1282 50 47 429 16 89 164 6 64 97 3 82 130 5 12 50 2 65 1310 51 57 13...

Страница 44: ... G F L 5 A 7KUHDGHG 6WXEV Fodd Industry Fitting DIN 11851 ORZ LUHFWLRQ 7KUHDGHG 6WXEV Meter size Process connection size L G G1 F B A R Weight DN Inch Inch DN mm inch mm inch mm inch mm inch mm inch mm inch mm inch kg 2 50 Rd 78 x 1 6 918 36 14 7 0 28 177 6 97 30 50 2 2 65 Rd 95 x 1 6 1081 42 56 8 0 31 403 15 87 148 5 83 80 3 15 110 4 33 254 10 00 34 2 50 Rd 78 x 1 6 1197 47 13 7 0 28 291 11 46 40...

Страница 45: ...L G1 F B A R Weigh t Inc h DN Inch DN mm inch 3 mm inch mm inch mm inch mm inch mm inch kg 2 50 913 35 94 225 8 86 26 2 50 2 65 1073 42 24 403 15 87 148 5 83 80 3 15 110 4 33 305 12 01 27 2 50 1192 46 93 335 13 19 36 36 2 65 1073 42 24 275 10 83 37 2 65 3 80 1180 46 46 429 16 89 164 6 46 97 3 82 130 5 12 328 12 91 38 2 65 1302 51 26 378 14 88 45 3 80 1180 46 46 296 11 65 44 3 80 4 100 1448 57 01 4...

Страница 46: ...ing DIN 11851 7KUHDGHG 6WXEV Meter size Process connection size L g G1 F B A R Weight Inch DN Inch DN mm inch mm inch mm inch mm inch mm inch mm inch mm inch kg 15 Rd34 x 1 8 672 26 46 4 0 16 152 5 98 20 Rd44 x 1 6 583 22 95 6 0 24 102 4 02 20 1 25 Rd52 x 1 6 683 26 89 7 0 28 358 14 94 127 5 00 66 2 60 89 3 50 152 5 98 13 2 65 Rd44 x 1 6 743 29 25 6 0 24 162 6 38 3 80 Rd52 x 1 6 643 25 31 7 0 28 1...

Страница 47: ...8 x 1 6 918 36 14 7 0 28 241 9 49 19 2 50 1 40 Rd65 x 1 6 1025 40 35 7 0 28 403 15 87 148 5 83 80 3 15 110 4 33 233 9 17 28 2 50 Rd78 x 1 6 918 36 14 7 0 28 177 6 97 30 2 65 Rd95 x 1 6 1081 42 56 8 0 31 254 10 00 34 2 65 2 50 Rd78 x 1 6 1197 47 13 7 0 28 429 16 89 164 6 46 97 3 82 130 5 12 291 11 46 40 40 2 65 Rd95 x 1 6 1081 42 56 8 0 31 227 8 94 44 3 80 Rd110 x 1 4 1200 47 24 8 0 31 281 11 06 47...

Страница 48: ...80 B 80 A ORZ LUHFWLRQ Meter size Process connections L 5 G F B øA R Weight Inch DN DN Inch Mm Inch Mm inch Mm inch Mm inch Mm inch Mm inch kg 15 656 25 83 140 5 51 20 561 22 09 92 3 62 20 25 1 661 26 02 358 14 09 127 5 00 66 2 60 89 3 50 142 5 59 12 20 721 28 39 152 5 98 25 1 621 24 45 102 4 02 1 25 40 1 773 30 43 358 14 09 127 5 00 66 2 60 89 3 50 180 7 09 13 ...

Страница 49: ...25 1 842 33 15 242 9 53 17 40 1 748 29 45 195 7 68 17 1 40 50 2 913 35 94 374 14 72 129 5 08 64 2 52 90 3 54 278 10 94 18 40 1 1012 39 84 275 10 83 27 50 2 913 35 94 225 8 86 26 2 50 65 2 1073 42 24 403 15 87 148 5 83 80 3 15 110 4 33 305 12 01 27 50 2 1192 46 93 335 13 19 36 65 2 1073 42 24 275 10 83 37 2 65 80 3 1180 46 46 429 16 89 164 6 46 97 3 82 130 5 12 328 12 91 38 65 2 1302 51 26 378 14 8...

Страница 50: ...rating Instructions 10 2009 A5E02154544 02 80 3 1598 62 91 440 17 32 71 4 100 100 4 1448 57 01 500 19 68 215 8 46 131 5 16 170 6 69 365 14 37 69 If this connection is supplied with an EHEDG certified device the device nominal sizes must correspond with the connection ...

Страница 51: ... are available on the Sitrans F literature CD ROM Certificates on the Internet http support automation siemens com WW view en 10806951 134200 A 1 Accessories and spare parts In order to ensure that the ordering data you are using is not outdated the latest ordering data is always available on the Internet Process instrumentation catalog http www siemens com processinstrumentation catalogs ...

Страница 52: ...Appendix A 1 Accessories and spare parts SITRANS F C MC2 52 Operating Instructions 10 2009 A5E02154544 02 ...

Страница 53: ...is caused by the Coriolis force which appears in the equation of motion of an object in a rotating frame of reference DFT The discrete Fourier transform DFT is one of the specific forms of Fourier analysis As such it transforms one function into another which is called the frequency domain representation or simply the DFT of the original function which is often a function in the time domain The DF...

Страница 54: ...t Number 6 means that the device is totally protected against dust and the second 7 that it is protected against the effect of immersion between 15cm and 1m MODBUS MODBUS is a serial communications protocol intended for use with programmable logic controllers PLCs MODBUS allows for communication between many devices connected to the same network for example a system that measures temperature and h...

Страница 55: ...e sensor type and output settings The SENSORPROM automatically stores values or settings changed by users and automatically re programs any new transmitter without loss of accuracy Turndown ratio Turndown ratio is a flow measurement term indicating the range a specific flow meter or meter type is able to measure with acceptable accuracy It is also known as rangeability If a gas flow to be measured...

Страница 56: ...Glossary SITRANS F C MC2 56 Operating Instructions 10 2009 A5E02154544 02 ...

Страница 57: ...Electrical connection 22 Basic requirements 21 EMC solidity 22 Ex approvals 8 EX requirements 9 G Grounding terminal 22 H Hotline 28 I Installation Drop line 18 Incorrect 34 Indoor outdoor 15 Sensor orientation 17 Internet Contact person 6 28 Flowdocumentation 6 Support 28 Introduction 5 L Laws and directives 7 low flow cut off 34 Low voltage guideline 22 M Maintenance 27 Material compatibility 7 ...

Страница 58: ...ment safety standards 15 Safety Increased safety concept 21 Instrument safety standards 7 Safety notes 7 Sensor orientation See Installation SENSORPROM 12 Service 28 Support 28 T Temperature specifications 8 15 U USM 12 V vibrations 18 34 Z Zero point adjustment 25 basic requirements 25 ...

Страница 59: ......

Страница 60: ...to change without prior notice Order No A5E02154544 Literature No A5E02154544 02 Copyright Siemens AG 10 2009 All rights reserved Siemens Flow Instruments A S Nordborgvej 81 DK 6430 Nordborg For more information www siemens com flow A5E02154544 ...

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