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SITRANS

Solid Flowmeters

SITRANS WF100

Operating Instructions 02/2012

Содержание SITRANS WF100

Страница 1: ...SITRANS Solid Flowmeters SITRANS WF100 Operating Instructions 02 2012 ...

Страница 2: ...und version and in electronic version We encourage users to purchase authorized bound manuals or to view electronic versions as designed and authored by Siemens Milltronics Process Instruments Siemens Milltronics Process Instruments will not be responsible for the contents of partial or whole reproductions of either bound or electronic versions While we have verified the contents of this manual fo...

Страница 3: ...______________ ___________________ ___________________ ___________________ SITRANS Flowmeters SITRANS WF100 Operating Instructions 7MH7186 02 2012 7ML19985NB01 01 Introduction 1 Safety notes 2 Description 3 Installing Mounting 4 Connecting 5 Commissioning 6 Service and maintenance 7 Technical data 8 Dimension drawings 9 ...

Страница 4: ...levant documentation 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 catalog and i...

Страница 5: ... Introduction 5 2 Safety notes 7 2 1 General safety instructions 7 2 2 Installation in hazardous areas 7 3 Description 9 3 1 Material feed examples 14 4 Installing Mounting 21 5 Connecting 25 6 Commissioning 27 7 Service and maintenance 31 8 Technical data 37 9 Dimension drawings 41 ...

Страница 6: ...Table of contents SITRANS WF100 4 Operating Instructions 02 2012 7ML19985NB01 01 ...

Страница 7: ...e in industrial areas Operation of this equipment in a residential area may cause interference to several frequency based communications These operating instructions cover only solids flowmeter installation operation and maintenance procedures Integrator operating instructions are available for download from our website Siemens weighing http www siemens com weighing Follow these operating instruct...

Страница 8: ...Introduction SITRANS WF100 6 Operating Instructions 02 2012 7ML19985NB01 01 ...

Страница 9: ...urer s warranty will expire 2 2 Installation in hazardous areas SITRANS WF100 SOLIDS FLOWMETER 7MHxxxx xxxxx xxxx x Serial GYZ A1034567 Input 15 V Maximum Enclosure IP65 Load Cell Cable Entry 1 x 1 2 NPT Ambient Temp 40ºC to 65ºC R Siemens Milltronics Process Instruments Peterborough Assembled in Canada with domestic and imported parts s KCC REM S49 MLC CLASS II DIV 1 GROUPS E F G CLASS III 159134...

Страница 10: ... 94 9 EC Annex II clause 1 5 7 Installation and inspection of this equipment shall be carried out by suitably trained personnel in accordance with the applicable code of practice 8 Repair of this equipment shall be carried out by suitably trained personnel in accordance with the applicable code of practice 9 Components to be incorporated into or used as replacements in the equipment shall be fitte...

Страница 11: ...or remote totalization Dry bulk solids enter the flowguide producing a mechanical deflection as they strike the flowmeter sensing plate before continuing through the process unhindered A strain gauge load cell converts the horizontal force of the deflection into an electrical signal The integrator processes this to display the flowrate and integrated total weight The process is immune to the effec...

Страница 12: ...lowmeters consist of two physical components the housing which includes the flowguide and the outlet supports the sensing assembly and guides the material flow the sensing assembly which includes the sensing plate and the load cell s Load cell Flowguide Material Outlet Sensing plate NOTICE On hazardous approved versions the load cell is supplied with an integral cover which must remain installed d...

Страница 13: ...horizontal component only the vertical component is ignored The sensing plate is displaced proportionally to the material flow and is not susceptible to material build up so long as it does not bridge across to the housing Positive displacement of the load cell is limited by the positive stop incorporated in the design of the load cell The displacement of the load cell is sensed by its strain gaug...

Страница 14: ...d to 20 mV when the load cell is forced to travel in the negative direction Under no flow conditions the load cell sensing plate assembly is at rest at static zero Under this condition the negative stop should not contact the sensing plate and the output signal from the load cell will be approximately 5 to 0 mV DC 1 Negative displacement 1 Normal gap Applications Note For best performance and limi...

Страница 15: ...ity will not damage internal flowmeter components Location Materials with low moisture content generally have excellent flow and adhesion characteristics In processes where material moisture content varies select a flowmeter location where the moisture content is lowest Linings Sensing plate abrasion resistant linings are often used for aggregates barley corn soybeans wheat and material with simil...

Страница 16: ...uide transition for variable operating speeds or constant speeds above 40 rpm Rotary feeder provides an air seal between the upstream and or downstream process and the flowmeter required if the material is pneumatically conveyed or flowmeter process isolation is required use reverse flowguide transition for variable operating speeds or constant speeds above 10 rpm Bucket elevators commonly used fo...

Страница 17: ...often required for variable belt speeds or constant speeds in excess of 1 m s 200 feet minute Drag conveyor operates at a constant and relatively low velocity reverse flowguide transition not normally required but use feeder discharge damping or a discharge baffle to minimize the pulsing material discharge Vibratory feeder motor vibrating pan produces a non pulsing material discharge use reverse f...

Страница 18: ...ern rather than permitting material to be flung from the feeder directly into the flowguide transition is especially important for high or variable speed feeders baffle plate forward flowguide transition maintains the material in the same direction between the bin or feeder discharge and the flowmeter flowguide transition is acceptable for a low and constant velocity feeder if a forward flowguide ...

Страница 19: ...hute angle changes required to settle material into desirable flow patterns Dogleg used to reduce the detrimental effect of high or variable material velocity especially when using a long fall chute for abrasive materials line the chute with an abrasion resistant material or use an in feed deadbox Deadbox installed where the chute angle changes This will cause the material to impact upon itself ra...

Страница 20: ...so equipped Refer to the integrator instruction manual for bin requirements Top view baffle conveyor discharge slats for drag conveyors use a baffle plate installed at the conveyor discharge to reduce the heavy material pulsing associated with this type of feeder In feed discharge air pressure to common dust collector Vent the in feed and discharge chutes to a common dust collector if a material i...

Страница 21: ...ate is near the flowmeter s in feed diameter upper limit choose the next largest diameter Refer to the following chart to ensure the flowguide capacity is suitable XON GHQVLW OE IWu Bulk density t m ORZUDWH LQ WRQV SHU KRXU 160 0 20 40 60 80 100 120 140 2 56 0 0 32 0 64 0 96 1 28 1 60 1 92 2 24 4 100mm 6 150mm 8 200mm 10 250mm 400 100 10 1 Figure 3 1 Flowguide capacity chart ...

Страница 22: ...Description 3 1 Material feed examples SITRANS WF100 20 Operating Instructions 02 2012 7ML19985NB01 01 ...

Страница 23: ...ecting the unit to mechanical shock Excessive mechanical shock can cause damage to the housing or load cell sensing plate assembly The flowmeter is shipped assembled with the sensing plate arrested to prevent damage to the load cell The flowmeter should be visually inspected for shipping damage If damage is suspected contact your Siemens representative and the shipping carrier CAUTION When handlin...

Страница 24: ...t to force the gap open Figure 4 1 Support load cell throughout handling in non vertical positions Figure 4 2 Improper handling may functionally destroy the load cell Installation 1 Set the flowmeter housing in place ensuring that the flowguide and outlet gaskets are correctly located gaskets supplied by customer 2 The housing must be vertical within 1 in two planes 90 apart 3 Bolt the flowguide a...

Страница 25: ...hipping stop NOTICE The hole in the enclosure for the shipping stop should be plugged with a bolt or cap to ensure a dust tight seal 5 Connect the unit to the integrator 90º 1 2 3 4 2 3 5 6 Infeed customer supplied Mounting hardware Gasket SITRANS WF100 Discharge customer supplied Calibration pulley ...

Страница 26: ...Installing Mounting SITRANS WF100 24 Operating Instructions 02 2012 7ML19985NB01 01 ...

Страница 27: ...100 wiring 1 2 3 r e d e x c e x c s i g s i g b l k g r n w h t s h l d s h l d Load cell Conduit and box connector not provided on hazardous option Customer junction box Load cell Milltronics integrator SIWAREX FTC RED EXC EXC BLK EXC EXC WHT SIG A SIG GRN SIG A SIG SHIELD SHIELD SHIELD ...

Страница 28: ...Connecting SITRANS WF100 26 Operating Instructions 02 2012 7ML19985NB01 01 ...

Страница 29: ...ight The test weight is used to simulate the horizontal forces of the material hitting the sensing plate Calculating the test weight and test rate Select the test weight to represent a calibration point of 60 to 80 of the design flowrate based on the flowmeter calibration constant of 45 g T H tons per hour Test weight Design flowrate Calibration point Calibration constant Test rate Test weight Cal...

Страница 30: ...t h 4 444 t h Perform the zero calibration as described in the Calibration section of the integrator manual After the completion of the zero calibration a span calibration as described in the integrator instruction manual can be performed with the test weight s applied Span 1 Install the calibration pulley to the bracket on the flowmeter housing 2 Hang the test weight over the calibration pulley u...

Страница 31: ...Calibration bracket Cable Test weight Material test Calibration of the flowmeter by test weight is not a dynamic simulation and yields only an approximate span calibration Effective material flow friction and velocity can only be reproduced by running actual material tests At least two 5 minute samples should be taken to ensure repeatability Refer to material test and subsequent factoring of the f...

Страница 32: ...Commissioning SITRANS WF100 30 Operating Instructions 02 2012 7ML19985NB01 01 ...

Страница 33: ...ons of the integrator manual System checks WARNING On hazardous approved flowmeters the load cell has an extra protective cover that protects the electronic circuitry within the cell Periodically clean the gap between the cover and the cell to ensure material does not build up and reduce or stop deflection of the sensing plate If material sticks to the sensing plate clean the impingement area regu...

Страница 34: ...rdering spare parts In all correspondence please quote the serial number of the unit for which the parts are required Load cell Sensing plate Replacing a load cell Remove the load cell sensing plate assembly from the housing for replacement or maintenance 1 Remove the access cover and secure access door 2 Dis connect the load cell 3 Hold the load cell by the upper cross piece 4 Remove load cell mo...

Страница 35: ... bending the assembly during removal or maintenance 5 Set the assemblies in a safe place CAUTION While transporting support the load cell sensing plate assembly as shown in Load cell handling 1 2 3 4 Load cell cable Load cell mounting screws Shipping stop Sensing plate Figure 7 1 Enclosure door removed for clarity ...

Страница 36: ...hen moving the unit reinstall the shipping stop to prevent damage to the load cell sensing plate assembly 1 With the sensing plate resting in its static position insert shipping bolt as shown 2 Tighten the nut against the housing to secure the bolt in place 1 2 3 4 5 Sensing plate Washer Shipping stop Nut SITRANS WF100 housing ...

Страница 37: ...ww siemens com automation support request Via Phone Europe 49 0 911 895 7222 America 1 423 262 5710 Asia Pacific 86 10 6475 7575 Further information about our technical support is available on the Internet at Technical support http support automation siemens com WW view en 16604318 Service Support on the Internet In addition to our documentation we offer a comprehensive knowledge base online on th...

Страница 38: ...structions 02 2012 7ML19985NB01 01 Additional Support Please contact your local Siemens representative and offices if you have additional questions about the device Find your contact partner at Local contact person http www siemens com automation partner ...

Страница 39: ...ample must be equivalent to a sample obtained at the test flow rate for at least ten minutes running time Load cell construction 17 4 PH 1 4568 stainless steel construction with 304 1 4301 stainless steel cover degree of protection IP67 rated excitation 10 V DC nominal 15 V DC maximum output 2 mV V excitation at rated load cell capacity non linearity 0 02 of rated output hysteresis 0 02 of rated o...

Страница 40: ...t fine powder to 13 mm 1 2 Operating temperature 40 to 65 C 40 to 150 F Material temperature 40 to 65 C 40 to 150 F Repeatability 0 2 Construction assembly all welded housing and flowguide material mild steel polyester powder painted optional 304 1 4301 or 316 1 4404 stainless steel gasketing FDA approved silicone sensing plate 304 1 4301 stainless steel optional 316 1 4404 stainless steel wear re...

Страница 41: ...9985NB01 01 39 Approvals US Canada CSA FM Class II Div 1 Groups E F G and Class III Europe ATEX II 2D Ex tb IIIC T80 C Db IP65 CE International IECEx Ex tb IIIC T80 C Db IP65 Stainless steel options meet FDA and USDA requirements for food processing Australia C TICK ...

Страница 42: ...Technical data SITRANS WF100 40 Operating Instructions 02 2012 7ML19985NB01 01 ...

Страница 43: ...re 9 1 SITRANS WF100 dimensions Size Flange 8 places 4 8 203 2 23 5 596 9 21 87 555 5 4 100 0 43 11 11 25 285 8 6 10 254 33 838 2 31 12 790 4 6 150 0 43 11 13 35 339 1 8 14 355 6 46 1168 4 42 62 1082 5 8 200 0 43 11 16 5 419 1 10 16 406 4 52 1320 8 48 74 1238 1 10 250 0 43 11 19 482 6 Dimensions in inch mm ...

Страница 44: ...Dimension drawings SITRANS WF100 42 Operating Instructions 02 2012 7ML19985NB01 01 ...

Страница 45: ...emens com level For more information www siemens com processautomation Siemens AG Industry Sector 1954 Technology Drive P O Box 4225 Peterborough ON Canada K9J 7B1 Subject to change without prior notice 7ML19985NB01 Rev 1 1 email techpubs smpi siemens com Siemens AG 2012 7ml19985NB01 ...

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