OPTISWITCH 5200C, 5250C with NAMUR output - BA
Contents
1. 2 4610 Hastelloy C4 enamelled 1 4435 316L ECTFE coated 1 4435 316L PFA coated Weights Plastic housing Aluminium housing Stainless steel housing Tube extension 316L 2 4602 Hastelloy C4 316L 316L with Hastelloy C4 plated enamel led steel 316L with ECTFE coating 316L with PFA coating Klingersil C 4400 316L 2 4610 Hastelloy C4 316L 2 4610 Hastelloy C4 2 4610 Hastelloy C4 enamelled 316L with ECTFE coating 316L with PFA coating plastic PBT Polyester Alu die casting pow der coated stainless steel 316L NBR stainless steel housing silicone Alu plastic housing PMMA Makrolon 316L 316L 316L glass 80 6000 mm 3 236 in 80 1500 mm 3 59 in 80 3000 mm 3 118 in 80 3000 mm 8 118 in 760 g 27 oz 1170 g 41 oz 1530 g 54 oz approx 110 g m 1 2 oz ft OPTISWITCH 5200 C 5250 C with NAMUR output 33 Supplement Layer thickness enamel ECTFE PFA Surface quality Standard Hygienic version 3A OPTISWITCH 5250 C Process fittings Thread flanges hygienic fittings Coatings ECTFE PFA enamel High voltage test enamel gastight leadthrough option leakage rate pressure resistance hygienic fittings Output variable 0 8 mm 0 03 in 0 5 mm 0 02 in 0 5 mm 0 02 in Ra approx 3 um approx 1 18 in Ra 0 8 um 3 15 in G34A2. Adjustment elements Mode switch min rising characteristics High current when im mersed max falling characteristics Low current when im mersed 2 Depending on the version M12x1 acc to DIN 43650 Harting Amphenol Tuchel 7 8 FF 36 OPTISWITCH 5200 C 5250 C with NAMUR output c90S0 N3 vEvVOE 30434 EN 050622 Supplement Sensitivity switch 05 07 Test key Power supply 0 5 2 5 g cm 0 018 0 9 oz in 0 7 2 5 g cm 0 025 0 9 oz in simulation of a line break between sensor and processing unit Supply voltage standard characteris tics Open circuit voltage Short circuit current Electrical protective measures Protection Overvoltage category Protection class Approvals for connection to an amplifier acc to NAMUR IEC 60947 5 6 approx 8 2 V Ug approx 8 2 V ly approx 8 2 mA IP 66 IP 67 Ii II ATEX II 1G 1 2G 2G EEx ia IIC T6 ATEX Il 1 2G 2G EEx d IIC T6 Overfill protection acc to WHG Ship approvals 9 Deviating data with Ex applications see separate safety instructions only with Aluminium housing OPTISWITCH 5200 C 5250 C with NAMUR output 37 Supplement 10 2 Dimensions Housing 69mm 2 23 32 e 77mm 3 1 32 4 13 2 M20x1 5 Ye NPT O 69mm 2 28 32 277mm 3 1 32 0 OYO 9 4 39 64 M20x1 5 Ye NPT Fig 15 Housing
3. Functional safety Overfill protection Dry run protection General data The methods and procedures used during the tests must be stated and their suitability must be specified The tests must be documented If the function test proves negative the entire measuring system must be switched out of service and the process held in a safe condition by means of other measures In the double channel architecture 1002D this applies separately to both channels 9 6 Safety related characteristics The failure rates of the electronics and the vibrating systems are determined by an FMEDA acc to IEC 61508 These calculations are based on component failure rates acc to SN 29500 All numerical values refer to an average ambient temperature during the operating time of 40 C 104 F The calculations are also based on the specifications stated in chapter Planning Mode switch is set to A Asa 9 FIT safe detected failure 1 FIT failure 10 h Asu 203 FIT safe undetected failure Add 9 FIT dangerous detected failure Adu 43 FIT dangerous undetected failure SFF gt 83 Safe Failure Fraction Mode switch is set to B Asa 9 FIT safe detected failure Asu 202 FIT safe undetected failure Add 9 FIT dangerous detected failure Adu 45 FIT dangerous undetected failure SFF gt 83 Safe Failure Fraction TReaction Failure reaction time 1 5 sec MTBF MTTF MTTR 3 4x10 h max usef
4. 34 NPT G1A 1 NPT DIN from DN 25 ANSI from 1 bolting DN 40 PN 40 Tri Clamp 1 Tri Clamp 1 PN 10 cone DN 25 PN 40 Tuchenhagen Varivent DN 50 PN 10 approx 0 5 0 8 mm approx 0 02 0 03 in approx 0 3 0 5 mm approx 0 01 0 02 in approx 0 8 mm approx 0 03 in max 5 KV 10 mbar l s PN 64 bolting DN 40 PN 40 Tri Clamp 1 Tri Clamp 1 2 PN 10 cone DN 25 PN 40 Tuchenhagen Varivent DN 50 PN 10 Output Current consumption falling characteristics rising characteristics Fault signal two wire NAMUR output gt 2 2 mA uncovered lt 1 0 mA covered lt 1 0 mA uncovered gt 2 2 mA covered lt 1 0 mA 34 OPTISWITCH 5200 C 5250 C with NAMUR output c90S0 NI LEVOE 30434 EN 050622 Supplement Necessary processing system NAMUR processing system acc to IEC 60947 5 6 EN 50 227 DIN 19234 Modes NAMUR output adjustable to falling or rising characteristics min rising characteristics High current when im mersed max falling characteristics Low current when im mersed Accuracy Hysteresis approx 2 mm 0 08 in with vertical installation Integration time approx 500 ms Frequency approx 1200 Hz Ambient conditions Ambient temperature on the housing Storage and transport temperature 40 70 C 40 158 F 40 80 C 40 176 F Process conditions Parameter Process pressure OPTISWITCH 5200 C 5250 C
5. SIL PFDavg PFH 210 up to lt 10 210 up to 10 210 up to 10 210 up to 107 NMico 210 up to 10 2107 up to 109 1 210 up to 10 210 up to lt 10 Safety integrity of the hardware for safety relating subsystems of type A IEC 61508 2 7 4 3 Safe failure fraction Hardware fault tole rance SFF HFT 0 lt 60 SIL 1 60 up to lt 90 90 up to lt 99 SIL 3 SIL 4 SIL 4 gt 99 SIL 3 SIL 4 SIL 4 9 2 Planning The measuring system must be used acc to the application The application specific limits must be maintained and the specifications must not be exceeded The fault tolerance time of the complete system must be higher than the reaction time of the measuring system It must be used only in products to which the materials of the vibrating system are sufficiently chemically resistant In min operation also avoid Buildup on the vibrating system Solids in the measured product gt 5 mm gt 0 2 in Foam generation with a density gt 0 5 g cm 0 018 Ibs in For the implementation of FMEDA Failure Mode Effects and Diagnostics Analysis the following assumptions form the basis 26 OPTISWITCH 5200 C 5250 C with NAMUR output cc90S0 N3 v vVOE 30434 EN 050622 Functional safety Low demand mode High demand mode Safe condition and fault description e Failure rates are constant wear o
6. low demand mode does not apply the measuring system must be used as safety relevant subsystem in high demand IEC 61508 4 3 5 12 The fault tolerance time of the complete system must be higher than the sum of the reaction times or the diagnostics test periods of all components in the safety chain Corresponding characteristics is the value PFH failure rate Numbers see paragraph Safety technical characteristics The safe condition depends on the mode and is stated in the following chart OPTISWITCH 5200 C 5250 C with NAMUR output 27 Functional safety Configuration of the proces sing unit Mounting and installation The characteristics min max must be set acc to the mode see Function chart Overfill protection Dry run protection Output current in safe 0 4 1 mA 0 4 1 mA condition Failure current fail low 0 4 mA 0 4 mA Failure current fail high gt 6 5 mA gt 6 5 mA A fail safe failure safe failure exists if the measuring system changes to the defined safe condition or to the failure mode without demand of the process A dangerous undetected failure exists if the measuring system does neither go to the defined safe condition when required by the process nor to the failure mode If the measuring system delivers output currents of fail low or fail high this can be due to a failure The processing unit must therefore interpret such currents as failure and output
7. 19 6 2 Adjustment elementS o o o o o oo 19 6 3 Function Chaft o o ooooooooooooo o 20 7 Maintenance and fault rectification 7 4 Maintenance l l eee 22 7 2 Fault rectificatiOn o oo oo oo 22 7 8 Instrument repair 5 23 8 Dismounting 8 1 Dismounting procedure o o o o o oo o 24 82 Disposal lees eee 24 2 OPTISWITCH 5200 C 5250 C with NAMUR output c90S0 N3 v vOE 30434 EN 050622 Contents 9 Functional safety 94 Generalizisosiscs rar a ee 25 92 Planning 2 0 cece eee eee 26 93 SUD ura ec be eae 28 9 4 Reaction during operation and in case of failure 29 9 5 Recurring function teSt 29 9 6 Safety related characteristics 30 10 Supplement 10 1 Technical data o o o o 33 10 2 Dimensions 0 0000 ce ee eee 38 10 3 Certificates sre vu loue as oxen 40 OPTISWITCH 5200 C 5250 C with NAMUR output 3 About this document 1 About this document 1 1 Function This operating instructions manual has all the information you need for quick setup and safe operation of OPTISWITCH 5200 C 5250 C Please read this manual before you start setup 1 2 Target group This operating instructions manual is directed to trained personnel The contents of this manual should be made available to these personnel and put into practice by them 1 3 Symbolism used Information ti
8. a suitable fault signal If this is not the case the appropriate shares of the failure rates must be assigned to the dangerous failures Therefore the stated values in chapter Safety relevant characteristics can deteriorate The processing unit must correspond to the SIL level of the measuring chain The adjustment of the mode on the NAMUR amplifier acc to IEC 60947 5 6 must be selected in such a way that its switching condition takes on safe condition if there is an input current 1 2 mA 9 3 Setup The prevailing plant conditions influence the safety of the measuring system Therefore note the mounting and installa tion instructions of the appropriate operating instructions manual Mainly important is the correct setting of the mode A B 28 OPTISWITCH 5200 C 5250 C with NAMUR output cc90S0 N3 v vOE 30434 EN 050622 Functional safety The switching point of the measuring system must be adapted depending on the density limits in the operating instructions manual 9 4 Reaction during operation and in case of failure e The adjustment elements must not be modified during operation e Incase of modifications during operation you have to take note of the safety functions e Occurring fault signals are described in the appropriate operating instructions manual e In case of detected failures or fault signals the entire measuring system must be switched out of service and the process held in a sa
9. needed information e Print and fill out one form per instrument e Clean the instrument and pack it damage proof e Attach the completed form and possibly also a safety data sheet to the instrument OPTISWITCH 5200 C 5250 C with NAMUR output 23 Dismounting 8 Dismounting 8 1 Dismounting procedure Warning Before dismounting be aware of dangerous process condi tions such as e g pressure in the vessel high temperatures corrosive or toxic products etc Take note of chapters Mounting and Connecting to power supply and carry out the listed steps in reverse order With Ex instruments the housing cover may be opened only if no explosive atmosphere is present 8 2 Disposal OPTISWITCH 5200 C 5250 C consists of materials which can be recycled by specialised recycling companies We have purposely designed the electronic modules to be easily separable Mark the instrument as scrap and dispose of it according to government regulations electronic scrap ordi nance Materials see Technical data If you cannot dispose of the instrument properly please contact us about disposal methods or return 24 OPTISWITCH 5200 C 5250 C with NAMUR output cc90S0 N3 v vVOE 30434 EN 050622 Functional safety Validity Area of application Safety function Relevant standards 9 Functional safety 9 1 General This safety manual applies to measuring systems consisting of OPTISWITCH 5200 C 5
10. of 316L Hastelloy C4 2 4610 Process temperature thread or flange temperature with temperature adapter option OPTISWITCH 5200 C 5250 C of 316L Hastelloy C4 OPTISWITCH 5200 C 5250 C enamelled OPTISWITCH 5200 C 5250 C with ECTFE coating OPTISWITCH 5200 C 5250 C with PFA coating level of liquids 1 64 bar 14 5 938 psi depending on the process fitting e g flange 50 150 C 58 302 F 50 250 C 58 482 F 50 200 C 58 392 F 50 150 C 58 302 F 50 150 C 58 302 F OPTISWITCH 5200 C 5250 C with NAMUR output 35 Supplement 50 C 122 F 212 F 100 C 150 C 302 F 200 C 892 F 250 C 482 F Fig 14 Ambient temperature Product temperature 1 Product temperature 2 Ambient temperature 3 Temperature range with temperature adapter Viscosity dynamic Density Electromechanical data Cable entry plug 2 Single chamber housing Screw terminals 0 1 10 000 mPa s requirement with density 1 0 7 2 5 g cm 0 025 0 09 Ibs in 0 5 2 5 g cm 0 018 0 09 Ibs in by switching over e 1xcable entry M20x1 5 cable 2 5 9 mm 1x blind stopper M20x1 5 or e 1x closing cap Y NPT 1x blind stopper Ve NPT or e 1x plug depending on the version 1x blind stopper M20x1 5 for wire cross section up to 1 5 mm 0 0023 in
11. versions 1 2 3 Plastic housing Stainless steel housing Aluminium housing 38 OPTISWITCH 5200 C 5250 C with NAMUR output c90S0 NI LEVOE 30434 EN 050622 Supplement OPTISWITCH 5200 C 5250 C 032 G3 4A 3 4 NPT UO G1A 1 NPT 36mm 1 27 64 236mm 1 2 64 a 175mm 6 57 64 933 7mm 1 21 64 Fig 16 OPTISWITCH 5200 C 5250 C Threaded version Thread Tri Clamp Cone DN 25 Bolting DN 40 Flange Gas tight leadthrough Temperature adapter Sensor length see Technical data T9000 OPTISWITCH 5200 C 5250 C with NAMUR output 39 Supplement 10 3 Certificates SIL declaration of conformity Ronfarmithisarklarung declaration of conformity D claration de conftarmit IEC 61500 IEC 61511 KRONE AS Lam Cra 2E 03 ROMA RH Francos eri am Feuer duas hs Pira decias dee Tear bene S Peg vii beg pedi iento ber decas en tani ras Falbraczwr quis aep ile am vna DEPTIEWITCH 5100 C 5150 C 5200 C 5250 C mit with avec SWESSC R TT AT E Ex eriasrecherzi Se EC d 1511 fir den Eia in aichachaitserirursenberkrs Exvieren according in IC 81511 arm tortas ior marumaniad riders 5I Tha miet eint psi cruracseiatics aus aedi E A eet compota opera rica cert Furrbzral Saks A O GT SC EISI Las carach r
12. 0 C 5250 C level sensor e Documentation this operating instructions manual Ex specific safety instructions with Ex versions and if necessary further certificates OPTISWITCH 5200 C 5250 C consists of the following components e Housing cover e Housing with electronics e process fitting with tuning fork Fig 1 OPTISWITCH 5200 C 5250 C with plastic housing 1 Housing cover 2 Housing with electronics S Process fitting 3 2 Principle of operation OPTISWITCH 5200 C 5250 C is a level sensor with tuning fork for level detection OPTISWITCH 5200 C 5250 C with NAMUR output 7 Product description Physical principle Power supply It is designed for industrial use in all areas of process technology and is used in liquids Typical applications are overfill and dry run protection With a tuning fork of only 40 mm length OPTISWITCH 5200 C 5250 C can be also mounted e g in pipelines from DN 25 The small tuning fork allows the use in vessels tanks and pipes Thanks to its simple and robust measuring system OPTI SWITCH 5200 C 5250 C is virtually unaffected by the chemical and physical properties of the liquid It functions also under difficult conditions such as turbulence air bubbles foam generation buildup strong external vibration or changing products Fault monitoring The electronics module of OPTISWITCH 5200 C 5250 C monitors continuously the fol
13. 250 C is in the same fork position after being screwed in Remove therefore the supplied seal from the thread of OPTISWITCH 5200 C 5250 C This seal is not required when using a welded socket with O ring in front Keep in mind that this welded socket is not suitable for coated instrument versions e g enamel Screw OPTISWITCH 5200 C 5250 C completely into the welded socket The later position can be determined already before welding Mark the appropriate position of the welded socket Before welding unscrew OPTISWITCH 5200 C 5250 C and remove the rubber ring from the welded socket The welded socket has a marking notch Weld the socket with the notch facing upward or in case of pipelines aligned with the direction of flow 12 OPTISWITCH 5200 C 5250 C with NAMUR output cc90S0 N3 v vOE 30434 EN 050622 Mounting Adhesive products Inflowing medium Fig 6 Marking on the welded socket 1 Marking In case of horizontal mounting in adhesive and viscous products the surfaces of the tuning fork should be vertical in order to reduce buildup on the tuning fork On the screwed version you will find a marking on the hexagon With this you can check the position of the tuning fork when screwing it in When the hexagon touches the seal the thread can be still turned by approx half a turn This is sufficient to reach the recommended installation position With flange versions the fork is di
14. 250 C vibrating level switches and integrated oscillator SWE60N Note For OPTISWITCH 5200 C 5250 C with enamelled fork oscillator SWE60NEx E or SWE60NEx E1 is used The measuring system can be used for level detection of liquids which meet the specific requirements of the safety technology e g e Mode for overfill protection e Mode for dry run protection The measuring system is qualified in both modes to meet the following requirement degree acc to IEC 61508 2 IEC 61511 e SIL2 with architecture 1001D single channel e SIL3 with architecture 1002D double channel redundant The safety function of this measuring system is the detection and signalling of the condition of the vibration element The safe condition depends on the mode e Overfill protection condition covered e Dry run protection condition uncovered e IEC 61508 1 2 4 Functional safety of electrical electronic programmable electronic systems e IEC 61511 1 Functional safety safety instrumented systems for the process industry sector Part 1 Framework defini tions system hardware and software requirements OPTISWITCH 5200 C 5250 C with NAMUR output 25 Functional safety Safety requirements General instructions and restrictions Assumptions The failure limit values for a safety function depending on the SIL class of IEC 61508 1 7 6 2 Safety integrity level Low demand mode High demand or continuous mode
15. 5250 C signals uncovered when the vibrating element is submerged dry run protection Supply voltage too low gt Check the power supply Electronics defective Push the mode switch If the instrument then changes the mode the instrument may be mechanically damaged Should the switching function in the correct mode still be faulty return the instrument for repair gt Push the mode switch If the instrument then does not change the mode the oscillator may be defective Exchange the oscillator Unfavourable installation location Mount the instrument at a location where no dead zones or air bubbles can form in the vessel Wrong mode selected gt Set the correct mode on the mode switch overfill protection dry run protection Wiring should be carried out acc to the quiescent current principle LED flashes red Failure on the electronics gt Exchanging the electronics 22 OPTISWITCH 5200 C 5250 C with NAMUR output c90S0 NI LEVOE 30434 EN 050622 Maintenance and fault rectification LED flashes red instrument defective gt exchange instrument or return it for repair 7 3 Instrument repair If a repair is necessary please proceed as follows You can download a return form from our Internet homepage http Avww krohne mar com fileadmin media lounge PDF Download Specimen_e pdf By doing this you help us carry out the repair quickly and without having to call back for
16. D display In the basic adjustment products with a density gt 0 7 g cm gt 0 025 Ibs in can be detected The instrument can be adapted if products with lower density should be measured On the electronics module you will find the following indicating and adjustment elements LED for indication of the switching status DIL switch for switching point adaptation Mode switch to select the switching condition min max Simulation key 3 4 Storage and transport Your instrument was protected by packaging during transport Its capacity to handle normal loads during transport is assured by a test acc to DIN 55439 The packaging of standard instruments consists of environ ment friendly recyclable cardboard In addition the sensor is provided with a protective cover of ABS For special versions PE foam or PE foil is also used Dispose of the packaging material via specialised recycling companies e Storage and transport temperature see Supplement Technical data Ambient conditions e Relative humidity 20 85 OPTISWITCH 5200 C 5250 C with NAMUR output 9 Mounting Switching point 4 Mounting 4 1 General instructions In general OPTISWITCH 5200 C 5250 C can be mounted in any position The instrument must be mounted in any position The instrument must be mounted in such a way that the tuning fork is at the height of the requested switching point The tuning fork has lateral markings notches marking the s
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18. Operating Instructions OPTISWITCH 5200 C 5250 C with NAMUR output Variable area flowmeters Vortex flowmeters Flow controllers Electromagnetic flowmeters Ultrasonic flowmeters Mass flowmeters Level measuring instruments Communications engineering Engineering systems amp solutions Switches counters displays and recorders Heat metering Pressure and temperature Contents Contents 1 About this document Val FUNCION eeren tonnina aoia da 4 12 Target group 2 ee eee eee 4 1 3 Symbolism used 55 4 2 For your safety 2 1 Authorised persomel o ooo 5 2 2 Appropriate use llle ess 5 2 3 Warning about misuse 5 2 4 General safety instructions 5 25 CE conformity olco ecc e ees 5 26 SIL conformity naaa aaa 6 2 7 Safety information for Ex areas 6 3 Product description 3 1 Configuration s aaaeeeaa 7 3 2 Principle of operati0N 7 333 Adjustment 00 eee ee 9 3 4 Storage and transport 005 9 4 Mounting 4 1 General instructiONS o oo oo oo 10 4 2 Mounting informati0N o o o o 12 5 Connecting to power supply 5 1 Preparing the connection 16 5 2 Connection procedure 16 5 3 Wiring plans single chamber housing 17 6 Setup 61 General
19. SWITCH 5200 C 5250 C with NAMUR output 31 Functional safety Architecture 1002D Dry run protection Time dependent process of PFDavg Mode switch is set to B PFDavg Tproor 1 year lt 0 020 x 10 Tproor 5 years lt 0 099 x 10 Tproof 10 years lt 0 200 x 10 PFH 1 h lt 0 054 x 107 The time dependent process of PFDayg reacts in the time period up to 10 years virtually linear to the operating time The above values only apply to the Tproot interval after which a recurring function test must be carried out APFDavg H gt 1 5 10 TProot Fig 13 Time dependent process of PFDavg 1 PFDag 0 2 PFDgg after 1 year S PFDayg after 5 years 4 PFDayg after 10 years 1 Numbers see in the above charts 32 OPTISWITCH 5200 C 5250 C with NAMUR output cc90S0 N3 v vVOE 30434 EN 050622 Supplement 10 Supplement 10 1 Technical data General data Material 316L corresponds to 1 4404 or 1 4435 Materials wetted parts Process fitting thread Process fitting Flange Process seal Tuning fork Extension tube 21 3 mm e 0 84 in Materials non wetted parts Housing Seal ring between housing and housing cover waveguide in the housing cover Ground terminal temperature adapter option gastight leadthrough option Lengths 316L 2 4610 Hastelloy C4
20. e con nection cable downward in front of the cable entry Rain and condensation water can thus drain off This applies mainly to mounting outdoors in areas where moisture is expected e g by cleaning processes or on cooled or heated vessels o oWo c o Fig 5 Measures against moisture penetration OPTISWITCH 5200 C 5250 C with NAMUR output 11 Mounting Transport Pressure Vacuum Handling Welding the socket Do not hold OPTISWITCH 5200 C 5250 C on the tuning fork Particularly with flange or tube versions the tuning fork can be damaged by the instrument weight Transport enamelled and ECTFE coated instruments very carefully and avoid touching the tuning fork Remove the protective cover just before mounting The process fitting must be sealed if there is gauge or low pressure in the vessel Before use check if the seal material is resistant against the measured product and the process temperature The vibrating level switch is a measuring instrument and must be treated accordingly Bending the vibrating element will destroy the instrument Warning The housing must not be used to screw the instrument in Applying tightening force to the housing can damage its internal mechanical components To screw in use the hexagon above the thread 4 2 Mounting information OPTISWITCH 5200 C 5250 C has a defined thread starting point This means that every OPTISWITCH 5200 C 5
21. e necessary you can provide a suitable straining or fastening directly above the tuning fork to fasten the extension tube This measure applies particularly to applications in Ex areas category 1G or WHG Make sure that the tube is not bent by this measure 14 OPTISWITCH 5200 C 5250 C with NAMUR output c90S0 NI LEVOE 30434 EN 050622 Mounting Fig 8 Lateral straining of OPTISWITCH 5200 C 5250 C Enamel coating Instruments with enamel coating should be treated very carefully and shocks should be avoided Unpack OPTI SWITCH 5200 C 5250 C directly before installation Insert OPTISWITCH 5200 C 5250 C carefully into the vessel opening and avoid touching any sharp vessel parts OPTISWITCH 5200 C 5250 C with NAMUR output 15 Connecting to power supply Note safety instructions Take note of safety instructions for Ex applications Select power supply Select connection cable Select connection cable for Ex applica tions 5 Connecting to power supply 5 1 Preparing the connection Always observe the following safety instructions e Connect only in the complete absence of line voltage In hazardous areas you should take note of the appropriate regulations conformity and type approval certificates of the sensors and power supply units Connect the power supply acc to the following diagrams Take note of the general installation regulations As a
22. f the mechanical parts is not taken into account e Failure rates of external power supplies are not included e Multiple errors are not taken into account e The average ambient temperature during the operating time is 40 C 104 F e The environmental conditions correspond to an average industrial environment e The lifetime of the components is around 8 to 12 years IEC 61508 2 7 4 7 4 remark 3 e The processing unit can interpret fail low and fail high failures as interferences and output a suitable fault signal e Therepair time exchange of the meas system after a fail safe error is eight hours MTTR 8 h e Inthe mode with the lowest demand rate the reaction time of a connected control and processing unit to dangerous detectable errors is max 1 hour If the demand rate is only once a year then the measuring system can be used as safety relevant subsystem in low demand mode IEC 61508 4 3 5 12 If the ratio of the internal diagnostics test rate of the measuring system to the demand rate exceeds the value 100 the measuring system can be treated in the way it is executing a safety function in the mode with low demand rate IEC 61508 2 7 4 3 2 5 Corresponding characteristics is the value PFDayy average Probability of dangerous Failure on Demand It is dependent on the test interval Tproot between the function tests of the protective function Numbers see paragraph Safety technical characteristics If the
23. fe condition by means of other measures e Anelectronics exchange is easily possible and described in the operating instructions manual e f due to the detected failure the electronics or the complete sensor is interchanged the manufacturer must be informed incl a fault description 9 5 Recurring function test The recurring function test serves to reveal potential danger ous errors that are otherwise not discernible The function of the measuring system must be checked at adequate intervals The operator is responsible for choosing the type of test and the intervals in the stated time frame The time frame depends on the PFDayg value acc to the chart and diagram in section Safety related characteristics With high demand rate a recurring function test is not requested in IEC 61508 The function of the measuring system is proven by the frequent use of the system In double channel architectures it is useful to proof the redundancy by recurring function tests in appropriate intervals The test must be carried out in a way that verifies the flawless operation of the safety functions in conjunction with all system components This is ensured by a controlled reaching of the response height during filling If filling up to the response height is not possible then a response of the measuring system must be triggered by a suitable simulation of the level or the physical effect OPTISWITCH 5200 C 5250 C with NAMUR output 29
24. indication of the switching condition e red High current gt 2 2 mA e dark Low current lt 1 mA e red flashing Failure lt 1 mA The characteristics reversal can be carried out with the DIL switch You can choose between falling characteristics switch position max and rising characteristics switch position min You can have the requested current outputted Modes e min rising characteristics High current when immersed e max falling characteristics Low current when immersed The NAMUR output can be switched over to falling or rising characteristics see also Function chart For applications acc to WHG the DIL switch must be set to position max With this DIL switch 3 you can set the switching point to liquids having a density between 0 5 and 0 7 g cm 0 018 0 025 lbs in In the basic adjustment liquids with a density of gt 0 7 g cm 0 025 Ibs in can be detected In products with lower density you must set the switch to gt 0 5 g cm 0 018 Ibs in The specifications for the position of the switching point relate the water density value 1 0 g cm 0 036 Ibs in In products with another density the switching point shifts depending on the density and installation in direction of the housing or tuning fork end The simulation key is lowered on the upper side of the oscillator Push the simulation key with a suitable object screwdriver pen etc When the key is pushed line break be
25. information see Technical data in the Supplement T VO 1 2 Fig 11 Wiring plan single chamber housing 18 OPTISWITCH 5200 C 5250 C with NAMUR output c90S0 N3 v vVOE 30434 EN 050622 Set up Function Configuration 6 Set up 6 1 General The numbers in brackets refer to the following illustrations The switching condition of the electronics can be checked with plastic housing and closed housing cover LED display In the basic adjustment products with a density gt 0 7 g cm 70 025 Ibs in can be detected In liquids with lower density you must set the switch to gt 0 5 g cm 50 018 Ibs in On the electronics module you will find the following indicating and adjustment elements LED display 1 DIL switch for characteristics reversal min max 2 DIL switch for sensitivity adjustment 3 Simulation key 4 Note For test purposes immerse the tuning fork of OPTISWITCH 5200 C 5250 C always in liquids Do not test the function of OPTISWITCH 5200 C 5250 C with the hand This can damage the sensor 6 2 Adjustment elements Fig 12 Oscillator SW E 60 N NAMUR output 1 LED display 2 DIL switch for characteristics reversal S DIL switch for switching point adaptation 4 Simulation key OPTISWITCH 5200 C 5250 C with NAMUR output 19 Set up LED display 1 Characteristics reversal 2 Sensitivity adjustment 3 Simulation key 4 Single colour diode for
26. lowing criteria via the frequency evaluation e strong corrosion or damage of the tuning fork e no vibration e line break to the piezo drive If one of these faults is detected or if the power supply fails the electronics takes on a defined output status safe condition OPTISWITCH 5200 C 5250 C fulfills the requirements of IEC 61508 and 61511 of SIL2 see Supplement The tuning fork is piezoelectrically energised and vibrates at its mechanical resonance frequency of approx 1200 Hz The piezos are fixed mechanically and are hence not subjected to temperature shock limitations The frequency changes if the tuning fork is covered by the medium This change is detected by the integrated oscillator and converted into a switching command OPTISWITCH 5200 C 5250 C is a compact instrument i e it can be operated without external evaluation system The integrated electronics evaluates the level signal and outputs a switching signal With this switching signal a connected device can be operated directly e g a warning system a PLC a pump etc The exact range of the power supply is stated in the Technical data in the Supplement OPTISWITCH 5200 C 5250 C with NAMUR output c90S0 N3 v vVOE 30434 EN 050622 Product description Packaging Storage and transport tempe rature 3 3 Adjustment The switching condition of OPTISWITCH 5200 C 5250 C with plastic housing can be checked when the housing is closed LE
27. nbzuam techos lat in score meai qua las Comoe de aluo pipis dara le Safet blared aont ii nespescier oir im coica inchriqua da mite gn Hara ui Chapita Eur ooo Mieri DAL XR Keene SA Ja d Dr norin Eder Lancia enm Lu n Depor Dene pal Fig 17 SIL declaration of conformity 40 OPTISWITCH 5200 C 5250 C with NAMUR output cc90S0 N3 v vOE 30434 EN 050622 Supplement CE declaration of conformity CE Konformitatserklarung Declaration of conformity D claration de conforma KROHNE Kreber 14 5 sats p b PALE Famn i n mach n in galee spar e ardentes Sues Zum Prod cies rd OPTIBWITCH PHO C GPTISWTTCH 8200 C mi Esla wih resa cutpur gesc gzrtis rela DA Teig Tide tie i Aih ara gra E devis Sent Trid FAST ml tp ah boro ppal gear bore billing mi HAM A Loge with HAMUR zur i avc gorda MAMUR nif Cae a pepe Erio abg Dish vp darn Folgende honran ibero ch re dacianategn niea 5 in conkermty nerd the door arar mupe na ees caia declare Covi din Te En eor Emapa Eraro EM 6132 1000 Kee Ej hr i Saescepriblln ire a ERA four hd A EME s 1 2261 ger d Barbare aser diei Pichia i toe ea eee ri Gece conformed num Bnina dam redima THH EAJ E336 Eva EI ES p v iE pF Fl Theia Regeln Fig 18 CE declaration of conformity OPTISWITCH 5200 C 5250 C with NAMUR output 41 Manufacturer declaration Harmar 2257 Hari hiia ie Fa
28. o change without notice 30434 EN 050622
29. p note This symbol indicates helpful additional information Caution warning danger This symbol informs you of a dangerous situation that could occur Ignoring this cautionary note can impair the person and or the instrument Ex applications This symbol indicates special instructions for Ex applications List The dot set in front indicates a list with no implied sequence Action This arrow indicates a single action Sequence Numbers set in front indicate successive steps in a procedure OPTISWITCH 5200 C 5250 C with NAMUR output cc90S0 N3 v vVOE 30434 EN 050622 For your safety 2 For your safety 2 1 Authorised personnel All operations described in this operating instructions manual must be carried out only by trained specialist personnel authorised by the operator For safety and warranty reasons any internal work on the instruments must be carried out only by personnel authorised by the manufacturer 2 2 Appropriate use OPTISWITCH 5200 C 5250 C is a sensor for level detection Detailed information on the application range of OPTISWITCH 5200 C 5250 C is available in chapter Product description 2 3 Warning about misuse Inappropriate or incorrect use of the instrument can give rise to application specific hazards e g vessel overfill or damage to system components through incorrect mounting or adjustment 2 4 General safety instructions OPTISWITCH 5200 C 5250 C is a high tech instrumen
30. rected to the flange holes In case of adhesive and viscous products the tuning fork should protrude into the vessel to avoid buildup Therefore Sockets for flanges and mounting bosses should be avoided with horizontal mounting If OPTISWITCH 5200 C 5250 C is mounted in the filling stream unwanted switching signals can be generated Mount OPTISWITCH 5200 C 5250 C at a location in the vessel where no disturbing influence from e g filling openings agitators etc can occur This applies particularly to instrument types with long exten sion tube OPTISWITCH 5200 C 5250 C with NAMUR output 13 Mounting Flow Agitators Fig 7 Inflowing medium If there is movement within the product the tuning fork of OPTISWITCH 5200 C 5250 C should be mounted in such a way that the surfaces of the fork are parallel to the product movement Due to agitators vibrations or similar the level switch can be subjected to strong lateral forces For this reason do not use an overly long extension tube for OPTISWITCH 5200 C 5250 C but check if you can mount an OPTISWITCH 5100 C 5150 C level switch on the side of the vessel in horizontal position Extreme vibrations from the system side e g by agitators or turbulence in the vessel e g by fluidization can cause the extension tube of OPTISWITCH 5200 C 5250 C to vibrate This will cause increased stress on the upper weld joint Should a longer tube version b
31. rule connect OPTISWITCH 5200 C 5250 C to vessel ground PA or in case of plastic vessels to the next ground potential On the side of the instrument housing there is a ground terminal between the cable entries This connection serves to drain off electrostatic charges In Ex applications the installation regulations for hazardous areas must be given priority The data for power supply are stated in the Technical data in the Supplement OPTISWITCH 5200 C 5250 C is connected with standard cable with round wire cross section An outer cable diameter of 5 9 mm 0 2 0 35 in ensures the seal effect of the cable entry If cable with a different diameter or wire cross section is used exchange the seal or use an appropriate cable connection In hazardous areas only use approved cable connections for OPTISWITCH 5200 C 5250 C Take note of the corresponding installation regulations for Ex applications 5 2 Connection procedure With Ex instruments the housing cover may be opened only if no explosive atmosphere is present Proceed as follows 1 Unscrew the housing cover 2 Loosen compression nut of the cable entry 16 OPTISWITCH 5200 C 5250 C with NAMUR output cc90S0 N3 v vVOE 30434 EN 050622 Connecting to power supply Housing overview Remove approx 10 cm 4 in of the cable mantle strip approx 1 cm 0 4 in insulation from the ends of the individual wires Insert the cable into the
32. sensor through the cable entry Open the terminals with a screwdriver Insert the wire ends into the open terminals according to the wiring plan Tighten the terminals with a screwdriver Check the hold of the wires in the terminals by lightly pulling on them Tighten the compression nut of the cable entry the seal ring must completely encircle the cable 10 Screw the housing cover back on The electrical connection is finished 5 3 Wiring plans single chamber housing The following illustrations apply to the non Ex as well as to the EEx d version 0 OUO 9S Fig 9 Material versions single chamber housing AO Plastic not with EEx d Aluminium Stainless steel not with EEx d Filter element for pressure compensation not with EEx d OPTISWITCH 5200 C 5250 C with NAMUR output 17 Connecting to power supply Electronics and connection compartment SW E60N NAMUR IEC 60947 5 6 EE SS Simul 3 1 gt 05g cm3 6 ri min gt 0 79 cm3 3 5 1 2 E E 4 a O Fig 10 Electronics and connection compartment single chamber housing 1 LED display 2 DIL switch for mode adjustment S DIL switch for switching point adaptation 4 Ground terminal 5 Simulation key 6 Terminals Wiring plan For connection to an amplifier acc to NAMUR IEC 60947 5 6 EN 50227 For further
33. t requiring the strict observance of standard regulations and guidelines The user must take note of the safety instructions in this operating instructions manual the country specific instal lation standards e g the VDE regulations in Germany as well as all prevailing safety regulations and accident prevention rules 2 5 CE conformity OPTISWITCH 5200 C 5250 C is in CE conformity with EMC 89 336 EWG fulfils the NAMUR recommendation NE 21 and is in CE conformity with NSR 73 23 EWG Conformity has been judged acc to the following standards e EMC Emission EN 61326 A1 1998 class B Susceptibility EN 61326 1997 A1 1998 e NSR EN 61010 1 1993 OPTISWITCH 5200 C 5250 C with NAMUR output 5 For your safety 2 6 SIL conformity OPTISWITCH 5200 C 5250 C meets the requirements to the functional safety acc to IEC 61508 IEC 61511 Further information is available in chapter Functional safety 2 7 Safety information for Ex areas Please note the Ex specific safety information for installation and operation in Ex areas These safety instructions are part of the operating instructions manual and come with the Ex approved instruments OPTISWITCH 5200 C 5250 C with NAMUR output cc90S0 N3 v vVOE 30434 EN 050622 Product description Scope of delivery Components Area of application 3 Product description 3 1 Configuration The scope of delivery encompasses e OPTISWITCH 520
34. tween sensor and processing unit is simulated The LED on the sensor extinguishes The measuring system must signal failure and take on safe condition when the key is pushed Keep in mind that the connected instruments are activated as long as the key is pushed By doing this you can check the correct function of the measuring system 6 3 Function chart The following chart provides an overview of the switching conditions depending on the adjusted mode and level 20 OPTISWITCH 5200 C 5250 C with NAMUR output c90S0 N3 v vVOE 30434 EN 050622 Set up Note Select the mode setting on the NAMUR amplifier in such a way that the switching output takes on safe condition if there is a fault signal I lt 1 0 mA Signal current Control lamp sensor Falling characteris gt 2 2 mA tics max N I Ws Falling characteris tics max O Rising characteris tics min N l UNS Rising characteris tics min O Failure I Se IN flashes OPTISWITCH 5200 C 5250 C with NAMUR output 21 Maintenance and fault rectification Checking the switching signal 7 Maintenance and fault rectification 7 1 Maintenance When used as directed in normal operation OPTISWITCH 5200 C 5250 C is completely maintenance free 7 2 Fault rectification OPTISWITCH 5200 C 5250 C signals covered when the vibrating element is not submerged overfill protection OPTISWITCH 5200 C
35. ul life of the measuring system for the safety approx 10 years function 30 OPTISWITCH 5200 C 5250 C with NAMUR output 2c90S0 NI VEVOE 30434 EN 050622 Functional safety Architecture 1001D Overfill protection qi Architecture 1001D Dry run protection Architecture 1002D Overfill protection Single channel architecture SIL2 Safety Integrity Level HFT 0 Hardware Fault Tolerance Mode switch is set to A PFDayg Tproor 1 year 0 019 x 10 Tproor 5 years 0 094 x 10 Trroof 10 years lt 0 190 x 10 PFH 1 h lt 0 043 x 109 Mode switch is set to B PFDavg Trroor 1 year lt 0 020 x 10 Tproor 5 years lt 0 099 x 10 Tproot 10 years lt 0 200 x 10 PFH 1 h lt 0 045 x 109 Double channel architecture SIL3 Safety Integrity Level HFT 1 Hardware Fault Tolerance Here you see an example how the measuring system in double channel architecture can be used in an application with demand rate SIL3 A Common Cause Factor of beta 10 96 worst case is taken into account If the instruments are used in another multiple channel architecture the values must be calculated for the selected application by means of the above failure rates Mode switch is set to A PFDavg Trroor 1 year lt 0 019 x 10 Tproot 5 years lt 0 094 x 10 Tproot 10 years lt 0 190 x 10 PFH 1 h lt 0 053 x 107 OPTI
36. witching point with vertical mounting The switching point refers to water with the basic setting of the sensitivity switch gt 0 7 g cm 20 025 Ibs in When mounting OPTISWITCH 5200 C 5250 C make sure that this marking is at the height of the requested switching point Keep in mind that the switching point of the instrument is shifted if the medium has a density other than water water 1 0 g cm 20 036 Ibs in For products 0 7 g cm 0 025 Ibs in and gt 0 5 g cm 50 018 Ibs in the density switch must be set to gt 0 5 g cm a Ono A Fig 2 Vertical mounting Switching point approx 13 mm ca 0 51 in Switching point with lower density Switching point with higher density Switching point approx 27 mm approx 1 06 in AROMA 10 OPTISWITCH 5200 C 5250 C with NAMUR output c90S0 NI LEVOE 30434 EN 050622 Moisture Mounting ono A Fig 3 Horizontal mounting 1 Switching point Fig 4 Horizontal mounting recommended installation location particularly for adhesive products 1 Switching point 2 Marking with screwed version on top with flange versions directed to the flange holes Use the recommended cable see chapter Connecting to power supply and tighten the cable entry You can give your OPTISWITCH 5200 C 5250 C additional protection against moisture penetration by leading th
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