Operating Instructions
Contents
1. 46 OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 Supplement Konformitatserklarung declaration of conformity Declaration de conformite IEC 61508 IEC 61511 KROHNE GAS Les Ors 26103 ROMANS France erkl rt als Hersteller dass die Vibrationsgrenzschalter declares as manufacturer that the vibrating level switches d clare en tant que fabricant que les d tecteurs vibrants OPTISWITCH 3100 C 3200 C 3300 C mit with avec VB60C R T N Z Ex entsprechend der IEC 61508 f r den Einsatz in sicherheitsinstrumentierten Systemen geeignet sind Die Sicherheitstechnische Kennzahlen sowie die Sicherheitshinweise im Safety Manual sind zu beachten siehe entsprechende Batriebsanleitung Kapitel Funktionale Sicherheit according to IEC 61508 are suitable for safety instrumented systems SIS The safety related characteristics as well as the instructions of the safety manual must be considered see corresponding operating instruction chapter Functional Safety conviennent une utilisation dans les syst mes de s curit instrument s suivant la norme IEC 61508 Les caract nstiques techniques relatives a la s curit ainsi que les consignes de s curit stipul es dans le Safety Manual sont 4 respecter voir la notice technique de mise en service au chapitre S curit fonctionnelle Romans 21 10 2005 KROHNE GAS G aa She yh Dr Flarian Stengele Geschaftsfihrer Managing2. with NAMUR output Supplement 51 Subject to change without notice 31358 EN 051207
3. Exchange instrument or return it for repair 7 3 Exchanging the electronics In general all oscillators of series VB60 can be interchanged If you want to use an oscillator with a different signal output you can download the corresponding operating instructions man ual from our homepage under Downloads opened if there is no explosive atmosphere present es With EExd instruments the housing cover must only be Proceed as follows 1 2 3 4 5 Switch off power supply Unscrew the housing cover Lift the opening levers of the terminals with a screwdriver Pull the connection cables out of the terminals Loosen the two screws with a Phillips screwdriver size 1 OPTISWITCH 3300 C with NAMUR output 27 Maintenance and fault rectification 28 ie Fig 1 15 Loosen the screws Electronics module 2 Screws 2 pcs 6 Remove the old oscillator 7 Compare the new oscillator with the old one The type label of the oscillator must correspond to that of the old oscillator This applies particularly to instruments used in hazardous areas 8 Compare the settings of the two oscillators Set the adjustment elements of the new oscillator to the settings of the old oscillator Information Make sure that the housing is not rotated during the electronics exchange Otherwise the plug may be in a different position later 9 10 11 12 13 14 15 Insert the oscillator carefully Make sure that
4. option 50 C 50 C 100 C 10 200 250 C 58 F 122 F 212 F 302 F 392 F 482 F Fig 18 Ambient temperature Product temperature 1 Product temperature 2 Ambient temperature 3 Temperature range with temperature adapter Density 40 OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 Standard adjustable Electromechanical data Cable entry plug Single chamber housing Spring loaded terminals Adjustment elements Mode switch Min max Potentiometer for switching point adap tation Simulation key Voltage supply Supply voltage standard characteris tics Open circuit voltage Short circuit current Electrical protective measures Protection Overvoltage category Protection class Supplement gt 0 02 g cm gt 0 0007 Ibs in gt 0 008 g cm gt 0 0003 Ibs in e 1xcable entry M20x1 5 cable g 5 9 mm 1x blind stopper M20x1 5 or e 1x closing cap 12 NPT 1x blind stopper Yo 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 rising characteristics High current when im mersed falling characteristics Low current when im mersed 0 02 0 1 g cm 0 0007 0 036 Ibs in simulation of a line break between sensor and processing unit for connection to an amplifier acc to NAMUR IEC 60947 5 6 approx 8 2 V Uo approx 8 2 V l
5. Director Directeur g n ral Fig 22 SIL declaration of conformity OPTISWITCH 3300 C with NAMUR output 47 Supplement CE declaration of conformity CE Konformit tserkl rung Declaration of conformity D claration de conformit KROHNE Krohne SAS Les Ors BEA F 26103 Romans Cedex erkl rt in alleiniger Verantwortung daf das Produkt declare under our sole responsibility that our product d clare sous sa seule responsabilit que le produit OPTISWITCH 3100 C OPTISWITCH 3200 C OPTISWITCH 3300 C mit NAMUR Ausgang with NAMUR output avec sortie NAMUR VB60N auf das sich diese Erkl rung bezieht mit den folgenden Normen bereinstimmt to which this declaration relates is in conformity with the following standards auquel se refere cette d claration est conforme aux normes Emission Emission Emission EN 61326 2004 Klasse B Immission Susceptibility Immission EN 61326 2004 einschlie lich Anhang A EN 61010 1 2002 gemal den Bestimmungen der Richtlinien following the provision of Directives conform ment aux dispositions des Directives 73 23 EWG 89 336 EWG 08 11 2005 Fig 23 CE declaration of conformity 48 OPTISWITCH 3300 C with NAMUR output ZOGLSO NA 8G ELE 31358 EN 051207 OPTISWITCH 3300 C with NAMUR output Supplement 49 Supplement 50 OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 OPTISWITCH 3300 C
6. Hardware fault toler ance 60 up to lt 90 SIL1 SIL2 90 up to lt 99 SIL2 SIL3 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 Acc to the specifications in the operating instructions manual the current load of the output circuits must be within the limits It must be used only in products to which the materials of the vibrating system are sufficiently chemically resistant Note the following items for use as dry run protection system Avoid buildup on the vibrating system possibly smaller proof test intervals Avoid granulation size of the product gt 15 mm For the implementation of FMEDA Failure Mode Effects and Diagnostics Analysis the following assumptions form the basis Failure rates are constant wear of the mechanical parts is not taken into account Failure rates of external power supplies are not included Multiple errors are not taken into account The average ambient temperature during the operating time is 40 C 104 F The environmental conditions correspond to an average industrial environment The service lift of the components is between 8 to 12 years IEC 61508 2 7 4 7 4 remark 3 The processing unit can interpret fail low and fail high failures as interferences and output a suitable fault signal OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 0512
7. information 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 3300 C but check if you can mount a short level switch on the side of the vessel in horizontal position Extreme vibration caused by the process or the equipment e g agitators or turbulence in the vessel e g from fluidization can cause the extension tube of OPTISWITCH 3300 C to vibrate in resonance This leads to increased stress on the upper weld joint Should a longer tube version be necessary you can provide a suitable support or guy directly above the tuning fork to secure the extension tube This measure applies particularly to applications in Ex areas Make sure that the tube is not subjected to bending forces through this measure If OPTISWITCH 3300 C is mounted in the filling stream unwanted switching signals may be generated Mount OPTI SWITCH 3300 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 extension tube OPTISWITCH 3300 C with NAMUR output 11 Mounting Lock fitting Socket Material cone 12 7 OUO S OVS eN Fig 3 Inflowing material OPTISWITCH 3300 C can be mounted with a lock fitting for height adjustment Take note of the pressure information of the
8. lock fitting The vibrating element should protrude into the vessel to avoid buildup For that reason avoid using mounting bosses for flanges and screwed fittings This applies particularly to use with adhesive products Material cones can form in solids silos which can change the switching point Please keep this in mind when installing the sensor in the vessel We recommend selecting an installation location where the tuning fork detects an average value of the material cone The vibrating element must also be mounted at a location that takes the arrangement of the filling and emptying apertures into account To compensate measurement errors in cylindrical vessels caused by the material cone the sensor must be mounted ata distance of d 6 from the vessel wall OPTISWITCH 3300 C with NAMUR output LOcLSO NA 8SEL 31358 EN 051207 ole Mounting Fig 4 Filling and emptying centered OPTISWITCH 3300 C with NAMUR output 13 Mounting Flow 14 Fig 5 Filling in the center emptying laterally 1 OPTISWITCH 3300 C 2 Emptying opening 3 Filling opening If there is movement within the product the tuning fork of OPTISWITCH 3300 C should be mounted in such a way that the surfaces of the fork are parallel to the product movement OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 Baffle protection against fall ing rock
9. that the tuning fork is at the height of the requested switching point Use the recommended cable see chapter Connecting to power supply and tighten the cable gland You can give your OPTISWITCH 3300 C additional protection against moisture penetration by leading the connection 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 Fig 2 Measures against moisture penetration Do not hold OPTISWITCH 3300 C on the vibrating element Especially with flange and tube versions the sensor can be damaged by the weight of the instrument 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 OPTISWITCH 3300 C with NAMUR output ZO LS0 NJ 8GE LE 31358 EN 051207 A Agitators and fluidization Inflowing material 2 Mounting Warning The housing must not be used for screwing in Tightening can cause damages on the locking piston of the housing To screw in use the hexagon above the thread 4 2 Mounting
10. 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 lt 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 min max OPTISWITCH 3300 C with NAMUR output Z0 LONG 31358 EN 051207 Functional safety 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 Incase of detected failures or fault signals the entire measuring system must be switched out of service and the process held in a safe condition by means of other measures e An electronics 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 f
11. 0008 Ibs in can be measured It is possible to adapt the instrument for products with lower density gt 0 008 g cm gt 0 0003 Ibs in OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 Product description On the electronics module you will find the following indicating and adjustment elements signal lamp for indication of the switching condition yellow potentiometer for adaptation to the product density Mode switch to select the switching condition reverse characteristics Simulation key 3 4 Storage and transport Packaging 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 cardboard For special versions PE foam or PE foil is also used Dispose of the packaging material via specialised recycling companies Storage and transport tem e perature Storage and transport temperature see Supplement Technical data Ambient conditions Relative humidity 20 85 OPTISWITCH 3300 C with NAMUR output 9 Mounting Switching point Moisture Transport Pressure Vacuum Handling 10 4 Mounting 4 1 General instructions In general OPTISWITCH 3300 C can be mounted in any position The instrument must be mounted in such a way
12. 07 Low demand mode High demand mode Safe condition Functional safety e The communication via the IIC bus interface is only used for default scaling and for service purposes e The repair time exchange of the measuring 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 PFDa average Probability of dangerous Failure on Demand It is dependent on the test interval Tproor between the function tests of the protective function For number values see paragraph Safety technical charac teristics If the low demand rate does not apply the measuring system as safety relevant part system in high demand mode should be used 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 Correspond
13. 300 C is a sensor for level detection Detailed information on the application range of OPTISWITCH 3300 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 3300 C is a high tech instrument 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 installation standards e g the VDE regulations in Germany as well as all prevailing safety regulations and accident prevention rules 2 5 CE conformity OPTISWITCH 3300 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 1997 class B Susceptibility EN 61326 1997 A1 1998 e LVD EN 61010 1 2001 OPTISWITCH 3300 C with NAMUR output 5 For your safety 2 6 SIL conformity OPTISWITCH 3300 C fulfills the requirements for functional safety acc to IEC 61508 You will find further information in chapter Functional safety 2 7 Safety information for Ex areas Please note the Ex specific safety information for installation and operat
14. Asd Asu DCp Diagnosis coverage DCD Agd Ada Adu OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 Dry run protection Mode switch is set to min 36 FIT safe detected failure 155 FIT safe undetected failure dangerous detected failure dangerous undetected failure Safe Failure Fraction Diagnosis coverage DCs Agq Aga Agu Diagnosis coverage DCD Agd Ada Adu General data TDiagnosis Diagnosis test period 100 sec MTBF MTTF MTTR 1 56x10 h max useful life of the measuring system for the safety approx 10 years function Single channel architecture Architecture 1001D Overfill SIL2 Safety Integrity Level protection HFT 0 Hardware Fault Tolerance Mode switch is set to max PFDavg Tproof 1 year lt 0 020 x 10 Tproot 5 years lt 0 100 x 107 Tproor 10 years lt 0 200 x 107 PFH 1 h lt 0 047 x 10 h Architecture 1001D Dry run SIL2 Safety Integrity Level protection HFT 0 Hardware Fault Tolerance Mode switch is set to min PFDavg Tproor 1 year lt 0 023 x 107 Tproof 5 years lt 0 114 x 107 Tproor 10 years lt 0 228 x 10 PFH 1 h lt 0 052 x 10 h OPTISWITCH 3300 C with NAMUR output 37 Functional safety Time dependent process of PFDavg Architecture 1002 38 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
15. Fault signal Necessary processing system Supplement 316L 316L Klingersil C 4400 316L 316L plastic PBT Polyester Alu die casting pow der coated stainless steel 316L NBR stainless steel housing silicone Alu plastic housing 316L 1500 g 53 oz 1950 g 69 oz 2300 g 81 oz approx 2000 g m 21 5 oz ft 0 3 6m 1 20 ft 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 NAMUR processing system acc to IEC 60947 5 6 EN 50 227 DIN 19234 Modes NAMUR output adjustable to falling or rising characteristics OPTISWITCH 3300 C with NAMUR output Min max rising characteristics High current when im mersed falling characteristics Low current when im mersed 39 Supplement Ambient conditions Ambient temperature on the housing 40 80 C 40 176 F Storage and transport temperature 40 80 C 40 176 F Process conditions Parameter level of solids Process pressure 1 16 bar 100 1600 kPa 14 5 232 psi 50 C OC 50 C 100 C 150 C 200 C 250 C 58 F 32 F 122 F 212 F 302 F 392 F 482 F Fig 17 Process pressure Product temperature 1 Product temperature 2 Process pressure OPTISWITCH 3300 C of 316L 50 150 C 58 302 F Process temperature thread or flange 50 250 C 58 482 F temperature with temperature adapter
16. Operating Instructions OPTISWITCH 3300 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 11 FUNCION AE OE rte OE e 5 12 Target group 0 2 eee 5 13 Symbolism use 5 2 For your safety 2 1 Authorised personnel 6 2 2 Appropriate use naaa aaaea 6 23 Warning about misuse 6 2 4 General safety instructions 6 2 5 CE confOFMItY SES SE SS Se aee 6 2 6 SIL confOrmitYy EE EES SEE SE Se 7 2 7 Safety information for Ex areas 7 3 Product description 3 1 Configuration EES SS SE Se See 8 3 2 Principle of operation 8 3 3 Adjustment SES SS eee eee 9 3 4 Storage and transport 10 4 Mounting 4 1 General instructions 05 11 4 2 Mounting information 46 12 5 Connecting to power supply 5 1 Preparing the connection 18 5 2 Connection procedure uaa aaa 18 5 3 Wiring plans signal chamber housing 19 6 Setup 6 1 General 22 6 2 Adjustment elements 0 22 6 3 Function chat 23 6 4 Recurring function test 06 24 7 Maintenance and fau
17. UR output 3 About this document EI Pme d 1 About this document 1 1 Function This operating instructions manual has all the information you need for duick setup and safe operation of OPTISWITCH 3300 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 tip 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 3300 C with NAMUR output ZO LONG 31358 EN 051207 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 and 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 3
18. apply to the Tproor interval after which a recurring function test must be carried out 1 5 10 Tproot Fig 16 Time dependent process of PFDavg 1 PFDayg 0 2 PFDayvg after 1 year 3 PFDavg after 5 years 4 PFDayg after 10 years Multiple channel architecture SIL3 Safety Integrity Level HFT 1 Hardware Fault Tolerance If the measuring instrument is used in double channel architecture the safety relevant characteristics of the selected structure of the measuring chain must be calculated specifi cally for the selected application acc to the above failure rates A Common Cause Factor must be taken into account The measuring system can be used in a diversitary redundant as well as a homogeneous redundant structure 1 Numbers see in the above charts OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 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 43 mm 1 7 in Materials non wetted parts Housing Seal ring between housing and housing cover Ground terminal Weights with plastic housing with Aluminium housing with stainless steel housing Extension tube Sensor length Output variable Output Current consumption Falling characteristics max Rising characteristics min
19. ase of OPTISWITCH 3300 C with NAMUR output 21 Setup Characteristics reversal 2 Simulation key 3 Signal lamp 6 22 very light solids turn the potentiometer completely to the left 0 008 g cm or gt 0 0003 Ibs in By doing this OPTISWITCH 3300 C will be more sensitive and light solids can be detected more reliably For instruments detecting solids in water these values are not applicable The potentiometer is preset and must not be changed 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 characteristic curve 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 The simulation key is located in a recess 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 between sensor and processing unit is simulated The signal lamp 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 during operation By doing this you can check the correct function of the me
20. asuring system Control lamp LED for indication of the switching condition e yellow High current gt 2 2 mA e dark Low current lt 1 mA e yellow flashing Failure lt 1 mA 6 3 Function chart OPTISWITCH 3300 C level switch The following chart provides an overview of the switching conditions depending on the adjusted mode and level OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 SIL Setup 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 Level Signal current Control lamp Sensor Falling characteris gt 2 2 MA tics max Falling characteris tics max Rising characteris tics min Rising characteris tics min Failure flashes 6 4 Recurring function test Acc to IEC 61508 In mode A overfill protection OPTISWITCH 3300 C is qualified for use in measuring chains of stage SIL2 acc to IEC 61508 redundant stage SIL3 The following instrument combinations meet the requirements acc to SIL OPTISWITCH 3300 C e Oscillator VB E60N OPTISWITCH 3300 C with NAMUR output 23 Setup Recurring function test Simulation key on the elec tronics module 24 The recurring function test acc to IEC 61508 can be carried out by pushing the simulation key on the electronics module or by briefly gt 2 seconds interruptin
21. ault 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 In high demand rate no recurring function test is arranged in IEC 61508 A proof of the functional efficiency is seen in the more frequent demand of the measuring 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 The methods and procedures used during the tests must be stated and their suitability must be specified The tests must be documented OPTISWITCH 3300 C with NAMUR output 35 Functional safety Recurring function test when using the measuring system as overfill protection Overfill protection 36 If
22. e seal ring must completely encircle the cable 10 Screw the housing cover back on The electrical connection is finished A gt Fig 8 Connection steps 5 and 6 5 3 Wiring plans signal chamber housing The following illustrations apply to the non Ex as well as to the EEx d version OPTISWITCH 3300 C with NAMUR output oO ZO SO NA 8GE 31358 EN 051207 Housing overview Electronics and connection compartment single chamber housing Wiring plan Connecting to power supply Fig 9 Material versions single chamber housing Plastic Aluminium Stainless steel Filter element for pressure compensation KON A VB60N EI 1234 min NAMUR IEC 60947 5 6 X Simulation Fig 10 Electronics and connection compartment single chamber housing Potentiometer for switching point adaptation DIL switch for characteristics reversal Simulation key Ground terminal Terminals Control lamp CO D P Go h A For connection to an amplifier acc to NAMUR IEC 60947 5 6 EN 50227 For further information see Technical data in the Supplement Further information you will find in the Technical data in the Supplement Ex technical data are specified in the attached safety instructions manual OPTISWITCH 3300 C with NAMUR output 19 Connecting to power supply 20 Fig 11 Wiring plan single chamber housing External simulation key In addition to the
23. ed d OPTISWITCH 3300 C signals covered when the vibrating element is not submerged overfill protection d OPTISWITCH 3300 C signals uncovered when the vibrating element is submerged dry run protection Supply voltage too low gt Check the power supply Electronics defective gt Push the characteristics reversal switch If the instru ment 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 characteristics reversal switch If the instru ment then does not change the mode the oscillator may be defective Exchange the oscillator gt Check if there is buildup on the vibrating element and if SO remove it Unfavourable installation location gt Mount the instrument at a location where no dead zones or mounds can form in the vessel 26 OPTISWITCH 3300 C with NAMUR output Z0 LONG 31358 EN 051207 Maintenance and fault rectification gt Check if the vibrating element is covered by buildup on the socket Wrong characteristics selected gt Set the correct characteristics on the characteristics reversal switch overfill protection dry run protection Wiring should be carried out acc to the quiescent current principle Signal lamp flashes yellow Failure on the electronics gt Exchanging the electronics Signal lamp flashes yellow instrument defective gt
24. en exposed to strong external vibration or changing products Solid detection in water If OPTISWITCH 3300 C was ordered for solid detection in water the tuning fork is set to the density of water In air or if immersed in water density 1 g cm 0 036 Ibs in OPTI SWITCH 3300 C signals uncovered Only if the vibrating element is also covered with solids e g sand sludge gravel etc will the sensor signal covered Fault monitoring The electronics of OPTISWITCH 3300 C continuously mon itors the following criteria e Correct vibrating frequency e Line break to the piezo drive If one of these faults is detected the electronics signals it via a defined current to the signal conditioning instrument The connection cable to the vibrating element is also monitored The tuning fork is piezoelectrically energised and vibrates at its mechanical resonance frequency of approx 150 Hz When the tuning fork is submerged in the product the vibrating amplitude changes This change is detected by the integrated oscillator and converted into a switching command OPTISWITCH 3300 C with NAMUR electronics can be connected to different NAMUR amplifiers depending to your requirements The specifications for NAMUR amplifiers are available in the Technical data The exact range of the power supply is stated in the Technical data in the Supplement 3 3 Adjustment 3 With the factory setting products with a density of gt 0 02 g cm gt 0
25. es which meet the specific requirements of the safety technology e g e Mode max for overfill protection e Mode min for dry run protection The measuring system is qualified in both modes to meet the following requirement degree acc to IEC 61508 2 e SIL2 with architecture 1001D single channel e SIL3 with architecture 1002D double channel redundant With a special factory setting the measuring system is also suitable for detection of solids in water See operating instructions manual 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 In mode max condition covered e In mode min condition Uncovered e IEC 61508 1 2 4 Functional safety of electrical electronic programmable electronic systems 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 mode PFDavg gt 10 up to lt 10 gt 10 up to 108 gt 10 up to lt 10 gt 10 up to lt 107 gt 10 up to lt 107 gt 10 up to lt 10 gt 10 up to 107 gt 10 up to lt 10 OPTISWITCH 3300 C with NAMUR output 31 Functional safety General instructions and re strictions Assumptions 32 Safety integrity of the hardware for safety relating subsystems of type B IEC 61508 2 7 4 3 Safe failure fraction
26. g the cable to the sensor The correct sequence of the switching conditions must be monitored on the switch amplifier as well as on the connected systems Neither must the sensor be removed nor a response triggered by filling the vessel This applies to OPTISWITCH 3300 C with NAMUR oscillator VB E60N You can carry out the function test with the outputted current values also directly with a safety PLC or a process control system In applications in conjunction with the NAMUR electronics module VB E6ON a function test can be carried out Hence the integration time must be set to 0 5 s OPTISWITCH 3300 C has an integrated simulation key The simulation key is lowered on the electronics module Push the simulation key for gt 2 seconds If OPTISWITCH 3300 C is connected to an SPLC you have to interrupt the connection cable to the sensor for gt 2 seconds After releasing the simulation key or briefly interrupting the connection cable to the sensor you can check the complete measuring system on correct function A switching procedure is simulated during the test VmA 2 2 ere D 1 ee 2 3 45 t s Fig 14 Flow chart of the function test 1 Full signal 2 Empty signal Check if the switching conditions occur in the correct sequence and the stated time period If this is not the case there is a fault in the measuring system Keep in mind that OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 Test proced
27. ing characteristics is the value PFH failure rate For number values see paragraph Safety technical charac teristics The safe condition depends on the mode and is stated in the following chart The characteristics min max must be set acc to the mode see Function chart N Overfill protection Dry run protection Safe condition uncovered Output current in safe 0 4 1 MA condition OPTISWITCH 3300 C with NAMUR output 33 Functional safety Fault description Configuration of the process ing unit Mounting and installation 34 Overfill protection Dry run protection Interference current Fail Low Interference current Fail High A safe failure exists if the measuring system goes to the defined safe condition without being required by the process or the interference current outputs Fail low or Fail high H the internal diagnostics system detects an error an interference current of lt 1 mA will be outputted A dangerous undetected failure exists if the measuring system switches neither to the defined safe condition nor to failure mode when the process requires it If the measuring system delivers output currents of fail low or fail high it can be assumed that there is a failure somewhere The processing unit must therefore interpret such currents as failure and output a suitable fault signal If this is not the case the appropriate shares of the failure rates must be assigned to
28. ion in Ex areas These safety instructions are part of the operating instructions manual and come with the Ex approved instruments OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 3 Product description 3 1 Configuration Scope of delivery The scope of delivery encompasses e OPTISWITCH 3300 C level sensor e Documentation this operating instructions manual Supplementary instructions manual Plug connector for level sensors optional Ex specific safety instructions with Ex versions if necessary further certificates Components OPTISWITCH 3300 C consists of the following components e Housing cover e Housing with electronics e process fitting with tuning fork 0 OUO 9 1 Poe Fig 1 OPTISWITCH 3300 C with plastic housing 1 Housing cover 2 Housing with electronics 3 Process fitting 3 2 Principle of operation Area of application OPTISWITCH 3300 C is a level sensor with tuning fork for level detection OPTISWITCH 3300 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 preferably used for bulk solids Typical applications are overfill and dry run protection Thanks to its simple and robust measuring system OPTISWITCH 3300 C is virtually unaffected by the chemical and physical properties of the solid It functions even wh
29. lt rectification TA DONICE esre ehh eee EE Oe 27 7 2 Fault rectification n naaa aaa aaa aaa 27 7 3 Exchanging the electronics 28 7 4 Instumentrepaif SEE SEE SES eee 30 8 Dismounting 8 1 Dismounting steps EN OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 Contents 8 2 Disposal anaua ae Mew dew w EE DES 31 9 Functional safety 9 1 General 32 9 2 Planning 33 98 DSWD nak oan eed ee DOE ER DEE N ea Di 35 9 4 Reaction during operation and in case of failure 36 9 5 Recurring function test 5 36 9 6 Safety related characteristics 37 10 Supplement 10 1 Technical data 40 10 2 Dimensions EES SE SS eee a 44 10 3 Certificates cower ER ER oe Row oe eS 47 Supplementary operating instructions manuals Information OPTISWITCH 3300 C is available in different versions Depending on the selected version supplementary operating instructions manuals will also be included in the scope of delivery The supplementary operating instructions manuals are listed in section Product description Operating instructions manuals for accessories and replacement parts Tip We offer accessories and replacement parts to enable reliable use and operation of your OPTISWITCH 3300 C The corresponding operating instructions manuals are e Operating instructions manual Oscillator e Operating instructions manual Lock fitting OPTISWITCH 3300 C with NAM
30. reverse order With Ex instruments the housing cover may only be opened if there is no explosive atmosphere present 8 2 Disposal OPTISWITCH 3300 C consists of materials which can recycled by specialised recycling companies We have purposely designed the electronic modules to be easily separable WEEE directive 2002 96 EG This instrument is not subject to the WEEE directive 2002 96 EG and the respective national laws in Germany e g ElektroG Pass the instrument directly on to a specialised recycling company or use the municipal collecting points They may only be used for privately used products acc to the WEEE directive Correct disposal avoids negative effects to persons and environment and ensures recycling of useful raw materials Materials see Technical data If you cannot dispose of the instrument properly please contact us about disposal methods or return OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 Validity Area of application Safety function Relevant standards Safety requirements Functional safety 9 Functional safety 9 1 General This safety manual applies to measuring systems consisting of OPTISWITCH 3300 C vibrating level switches and integrated oscillator VB6GON The instrument corresponds to a subsystem of type B The sensor software must correspond at least to version 1 00 or higher The measuring system can be used for level detection of powders and granul
31. s Mounting Fig 6 Orientation of the tuning fork in case of flow 1 Marking with screwed version 2 Direction of flow In applications such as grit chambers or settling basins for coarse sediments the vibrating element must be protected against damage with a suitable baffle OPTISWITCH 3300 C with NAMUR output 15 Mounting 16 Fig 7 Baffle protection against damages OPTISWITCH 3300 C with NAMUR output LOG LONG 31358 EN 051207 Note safety instructions Take note of safety instructions for Ex Ex applications Select power supply Select connection cable Select connection cable for Ex applica tions EI 2 Connecting to power supply 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 rule connect OPTISWITCH 3300 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 hazardou
32. s areas must be given priority The data for power supply are stated in the Technical data in the Supplement OPTISWITCH 3300 C is connected with standard cable with round 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 3300 C Take note of the corresponding installation regulations for Ex applications 5 2 Connection procedure With Ex instruments the housing cover may only be opened if there is no explosive atmosphere present Proceed as follows 1 Unscrew the housing cover 2 Loosen compression nut of the cable entry OPTISWITCH 3300 C with NAMUR output 17 Connecting to power supply 18 3 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 4 Insert the cable into the sensor through the cable entry 5 Lift the opening levers of the terminals with a screwdriver see following illustration 6 Insert the wire ends into the open terminals according to the wiring plan 7 Press down the opening levers of the terminals you will hear the terminal spring closing 8 Check the hold of the wires in the terminals by lightly pulling on them 9 Tighten the compression nut of the cable entry th
33. test key on the electronics module you can connect an external modulator to start the test procedure Connect the modulator acc to the following wiring plan Terminals 3 and 4 are already bridged For additional information see Recurring function test Ad 1 2 3 4 Fig 12 Wiring plan External simulation key 1 NAMUR amplifier 2 Bridge 3 External simulation key OPTISWITCH 3300 C with NAMUR output ZO LONG 31358 EN 051207 Function Configuration Switching point adaptation 1 Setup 6 Setup 6 1 General The numbers in brackets refer to the following illustrations On the electronics module you will find the following indicating and adjustment elements Potentiometer for switching point adaptation 1 DIL switch for mode adjustment min max 2 Simulation key 3 Signal lamp 6 6 2 Adjustment elements VB60N m 1234 min X NAMUR IEC 60947 5 6 Simulation Fig 13 Oscillator VB 60N NAMUR output Potentiometer for switching point adaptation DIL switch for characteristics reversal Simulation key Ground terminal Terminals Control lamp Om D P UNS You can adapt the switching point to the solid with the potentiometer The switching point is preset and covered by a label It must only be modified in special cases The factory setting of the potentiometer of OPTISWITCH 3300 C is mid position gt 0 02 g cm or gt 0 0008 Ibs in In c
34. 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 If the measuring system is used as overfill protection the proof of the function is ensured by a simple function test which can be triggered and monitored manually or by a connected control system This function test is triggered by interrupting the supply cable for at least two seconds then a switch on procedure follows as described in the operating instructions manual If the test is carried out this way make sure that the vibrating element is not covered If the evaluation is made by a control system the correct sequence of the current change must be checked and documented 9 6 Safety related characteristics The failure rates of the electronics and the vibrating system were determined by an FMEDA acc to IEC 61508 Basis for the calculations are component failure rates acc to SN 29500 All values relate to an average ambient temperature of 40 C 104 F during operation The calculations are further based on the instructions stated in chapter Planning Mode switch is set to max safe detected failure 1 FIT failure 10 h safe undetected failure Aga dangerous detected failure Agu dangerous undetected failure SFF Safe Failure Fraction DCs Diagnosis coverage DCs Asa
35. the plug is in the correct position Screw in and tighten the two screws with a Phillips screwdriver Insert the wire ends into the open terminals according to the wiring plan Close the opening levers of the terminals you will hear the terminal spring closing Check the hold of the wires in the terminals by lightly pulling on them Check the tightness of the cable entry The seal ring must completely encircle the cable Screw the housing cover back on OPTISWITCH 3300 C with NAMUR output Z0 LS0 NJ 8GE LE 31358 EN 051207 The electronics exchange is finished 7 4 Instrument repair If a repair is necessary please proceed as follows You can download a return form from our Internet homepage http www 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 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 3300 C with NAMUR output 29 Dismounting 30 8 Dismounting 8 1 Dismounting steps Warning Before dismounting be aware of dangerous process con ditions 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
36. ure 1 Low Current approx 3 s 2 High Current approx 1 5 s 3 Return to the actual op erating condition Setup connected instruments are activated during the function test By doing this you can check the correct function of the measuring system after releasing the simulation key Sensor cur Level relay Level relay Signal lamp Signal lamp Signal rent approx 1 mA mA amplifier amplifier amplifier amplifier lamp overfill pro dry run overfill pro dry run sensor tection protection tection protection energized currentless approx 2 2 currentless energized N l 7 pox Note Mode B dry run protection is not permitted when used in meas chains acc to IEC 61508 With the stated current values you can carry out the function test directly via a safety PLC or a process control system OPTISWITCH 3300 C with NAMUR output 25 Maintenance and fault rectification 7 Maintenance and fault rectification 7 1 Service When used as directed in normal operation OPTISWITCH 3300 C is completely maintenance free 7 2 Fault rectification OPTISWITCH 3300 C offers maximum reliability Nevertheless faults can occur during operation These may be caused by the following e g e Sensor e Process e Power supply e Signal processing Fault rectification The first measure is checking the output signal In many cases the reasons can be determined and faults rectifi
37. y approx 8 2 mA IP 66 IP 67 III Il 2 Depending on the version M12x1 acc to DIN 43650 Harting Amphenol Tuchel 7 8 FF OPTISWITCH 3300 C with NAMUR output 41 Supplement Approvals ATEX II 1G 1 2G 2G EEx ia IIC T6 ATEX Il 1 2 D IP66 T ATEX II 1 2G 2G EEx d IIC T6 ATEX II 1 2 D IP66 T 9 3 Deviating data with Ex applications see separate safety instructions 4 See temperature statements in the safety instructions manual 42 OPTISWITCH 3300 C with NAMUR output ZO LONG KROHNE Supplement 10 2 Dimensions OPTISWITCH 3300 C5 69mm 116mm 69mm 2 23 32 4 916 2 23 32 77mm o 84mm 3 1 32 3 5 16 4 13 32 4 39 64 4 31 64 M20x1 5 Ye NPT M20x1 5 Yo NPT Fig 19 Housing versions 1 Plastic housing 2 Stainless steel housing 3 Aluminium housing 5 All dimensions in mm inch 31358 EN 051207 OPTISWITCH 3300 C with NAMUR output 43 Supplement Ad 1 19 64 43mm 1 11 16 150mm 5 29 39 Fig 20 OPTISWITCH 3300 C Threaded version G1 2A L Sensor length see Technical data OPTISWITCH 3300 C with NAMUR output Z0 LONG 31358 EN 051207 178mm 7 1 64 Fig 21 Temperature adapter OPTISWITCH 3300 C with NAMUR output o 34mm 1 11 39 Supplement 45 Supplement 10 3 Certificates SIL declaration of conformity
Download Pdf Manuals
Related Search