Operating Instructions - KSR-TF 611 - with
Contents
1. 19 mm 53 mm Fig 28 KSR TF 611 NOOA OD Thread Tri Clamp Cone DN 25 Bolting DN 40 Flange Gas tight leadthrough Temperature adapter 34 KSR TF 611 with transistor output 819020 N3 096 LE 31960 EN 070618 umi MSR lt MHESLER Supplement KSR TF 611 with transistor output 35 u KER KUEBLER AA KSR KUEBLER Niveau Messtechnik AG Im Kohlstatterfeld 17 69439 Zwingenberg Germany Phone 49 6263 87 0 Fax 49 6263 8799 E mail info de ksr kuebler com www ksr kuebler com CE amp All statements concerning scope of delivery application practical use and operating conditions of the sensors and processing systems correspond to the information avail able at the time of printing Subject to change without prior notice 31960 EN 0706182. 10 25 64 8 5h6 6 15 64 4 5 32 5 4 2 5 64 gt T 0 72 9f 4 5552 T T T T T T 0 6 0 8 1 12 14 1 6 6 15 4 J a 8 5 6 10 25 64 ji i i fi i 1 0 022 0 029 0 036 0 043 0 051 0 058 18 0 065 0 072 22 0 079 24 0 087 Fig 22 Influence of the product density on the switching point Shifting of the switching point in mm in Product density in g cm Ib in Switch position 0 5 g cm corresponds to 0 018 Ib in Switch position 0 7 g cm corresponds to 0 025 Ib in Switching point at reference conditions notch Tuning fork OOo Acl Influence of the process pressure to the switching point 28 KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 Supplement umi MSR KUEBLER 10 251 8 546 6 15 64 4 5 32 2 5 ea 72 ea Fig 23 Influence of the process pressure to the switching point Shifting of the switching point in mm in Process pressure in bar psi AOM Tuning fork Repeatability Hysteresis Switching delay Frequency Ambient conditions Ambient temperature on the housing Storage and transport temperature Switching point at reference conditions notch 0 1 mm 0 004 in approx 2 mm 0 08 in with vertical i
3. 00000 24 8 2 Disposal s i iren deco d s 24 2 KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 MSR g KUEBLER Contents IA 9 Supplement 9 1 Technical data 005 25 9 2 Dimensions llle 33 KSR TF 611 with transistor output 3 About this document m MSR SNIBEBLIEN 1 About this document 1 1 Function This operating instructions manual provides all the information you need for mounting connection and setup as well as important instructions for maintenance and fault rectification Please read this information before putting the instrument into operation and keep this manual accessible in the immediate vicinity of the device 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 If this warning is ignored faults or malfunc tions can result Warning If this warning is ignored injury to persons and or serious damage to the instrument can result Danger If this warning is ignored serious injury to persons and or destruction of the instrument can result Ex applications This symbol indicates special instructions for Ex applications List The dot set in front indicates a list with no implied sequence Acti
4. Exspecific Safety instructions with Ex versions if necessary further certificates KSR TF 611 consists of the following components e Housing cover e Housing with electronics e process fitting with tuning fork Fig 1 KSR TF 611 1 Housing cover 2 Housing with electronics S Process fitting 3 2 Principle of operation KSR TF 611 is a level sensor with tuning fork for level detection It is designed for industrial use in all areas of process technology and can be used in liquids Typical applications are overfill and dry run protection With a tuning fork of only 40 mm length KSR TF 611 can be also mounted e g in pipelines from DN 25 The small tuning fork KSR TF 611 with transistor output 7 Product description Functional principle Supply m MSR MMEGLER allows use in vessels tanks and pipes Thanks to its simple and robust measuring system KSR TF 611 is virtually unaffected by the chemical and physical properties of the liquid It functions even under difficult conditions such as turbulence air bubbles foam generation buildup strong external vibration or changing products Fault monitoring The electronics module of KSR TF 611 continuously monitors via frequency evaluation the following criteria e Strong corrosion or damage on the tuning fork e loss of vibration e Line break to the piezo drive If a malfunction is detected or in case of power failure the electronic
5. 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 6 Measures against moisture penetration Do not hold KSR TF 611 on the tuning fork Particularly with flange or tube versions the tuning fork can be damaged just by the weight of the instrument Transport 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 max permissible pressure is stated in chapter Technical data in the Supplement or on the type label of the sensor 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 on the housing can damage its rotational mechanical parts To screw in use the hexagon above the thread 12 KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 uai MSR lt MHESLER Mounting Welded socket Adhesive products 4 2 Mounting instructions KSR TF 611 has a defined thread starting point This means that every KSR TF 611 is in the sam
6. Packaging Your instrument was protected by packaging during transport Its capacity to handle normal loads during transport is assured by a test according to DIN EN 24180 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 Storage and transport tem e Storage and transport temperature see Supplement perature Technical data Ambient conditions e Relative humidity 20 85 KSR TF 611 with transistor output 9 Mounting m MSR lt MMESLER Switching point 4 Mounting 4 1 General instructions In general KSR TF 611 can 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 that indicate the switching point with vertical mounting The switching point refers to water with the basic setting of the sensitivity switch 20 7 g cm 0 025 Ibs in When mounting KSR TF 611 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 g cm 0 036 Ibs in For products 0 7 g cm 0 025 Ibs in and gt 0 5 g cm 0 018 Ib
7. psi 2 Process temperature in C F 30 KSR TF 611 with transistor output 819020 N3 096 LE 31960 EN 070618 uai MSR lt MHESLER Supplement 50 C 100 C 150 C 200 C 250 C 122 F 212 F 302 F 392 F 482 F Fig 26 Process temperature Process pressure with switch position 0 5 g cm mode switch 1 Process pressure in bar psi 2 Process temperature in C F Viscosity dynamic Density 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 Electromechanical data Cable entry plug Single chamber housing Screw terminals e 1xcable entry M20x1 5 cable 5 9 mm 1x blind stopper M20x1 5 or e 1x closing cap NPT 1x blind plug NPT or e 1x plug depending on the version 1x blind plug M20x1 5 for wire cross section up to 1 5 mm 0 0023 in Adjustment elements Mode switch A B 1 Max detection or overflow overfill protection Min detection or dry run protection Depending on the version M12x1 according to DIN 43650 Harting Am phenol Tuchel 7 8 FF KSR TF 611 with transistor output 31 Supplement MSR KUEBLER Density switch 0 5 0 5 2 5 g cm 0 018 0 9 oz in 07 0 7 2 5 g cm 0 025 0 9 oz in Voltage supply Supply voltage 10 55V DC Power consumpti
8. u KER KUEBLER AA Operating Instructions KSR TF 611 with transistor output m Contents MSR KUEBLER Contents 1 About this document Tet JEUBCHOD 22er ea eee ot ees 4 12 Target group 0 02 ee eee 4 13 Symbolism used 22220000 4 2 For your safety 2 1 Authorised personnel elles 5 2 2 Appropriateuse l l esses 5 2 3 Warning about misuse 5 2 4 General safety instructions 5 25 CEconformity 00 essen 5 2 6 SIL conformity llle 6 2 7 Safety instructions for Ex areas 6 3 Product description 3 1 Configuration 2 20000005 7 3 2 Principle of operation 0 7 3 3 Operation 0 0 00 8 3 4 Storage and transport 004 9 4 Mounting 4 1 General instructions 000 10 4 2 Mounting instructions 0 13 5 Connecting to power supply 5 1 Preparing the connection 15 5 2 Connection procedure 15 5 3 Wiring plan single chamber housing 16 6 Setup 61 In general 2 ee ed bee eed eee es 19 6 2 Adjustment elements 205 19 6 3 Function chart essen 20 7 Maintenance and fault rectification 7 4 Maintenance l l esses sn 22 7 2 Faultrectification llle sess 22 7 8 Instrument repair 0 0 23 8 Dismounting 8 44 Dismounting steps
9. 611 with transistor output 17 Connecting to power supply m MSR SNIREBELIEN SG vO Fig 11 PNP action 18 KSR TF 611 with transistor output 819020 N3 096 LE 31960 EN 070618 uai MSR lt MHESLER Set up Function Configuration pue 6 Set up 6 1 In general The numbers in brackets refer to the following illustrations In the basic setting products with a density gt 0 7 g cm 0 025 Ibs in can be detected For products with lower density you have to set the switch to gt 0 5 g cm 0 018 Ibs in On the electronics module you will find the following indicating and adjustment elements e Signal lamp 1 e DIL switch for mode adjustment A B 2 e DIL switch for sensitivity adjustment 3 Note For test purposes immerse the tuning fork of KSR TF 611 always in liquids Do not test the function of KSR TF 611 with the hand This can damage the sensor 6 2 Adjustment elements Fig 12 Oscillator SWE60T Transistor output 1 Signal lamp LED 2 DIL switch for mode adjustment 3 DIL switch for sensitivity adjustment KSR TF 611 with transistor output 19 Set up m MSR MMESLER Signal lamp 1 Mode adjustment 2 Sensitivity adjustment 3 Control lamp LED for indication of the switching status e green output conducts e red output blocks e red flashing failure With the mode
10. adjustment A B you can change the switching condition of the relay You can set the required mode according to the Function chart A max detection or overfill protection B min detection or dry run protection 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 and 0 025 Ibs in With the basic setting liquids with a density of gt 0 7 g cm 0 025 Ibs in can be detected In liquids 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 to water density value 1 g cm 0 036 Ibs in In products with a different density the switching point will shift in the direction of the housing or tuning fork end depending on the density and type of installation Keep in mind that foams with a density gt 0 45 g cm 0 016 Ibs in are detected by the sensor This can cause faulty switchings particulary when used as dry run protection system 6 3 Function chart The following chart provides an overview of the switching conditions depending on the adjusted mode and level Level Mode A Overflow protection Switching status Control lamp transistor conducts Mode A Overflow protection Mode B Dry run protection transistor blocks transistor conducts 20 KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 e M
11. 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 in the vessel where no dead zones or air bubbles can form Ve v 22 KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 uai MSR lt MHESLER Maintenance and fault rectification 7 3 e Wrong mode selected gt Set the correct mode on the mode switch max overfill protection min dry run protection Wiring should be carried out according to the quiescent current principle Signal lamp flashes red e Electronics has detected a failure gt Exchange instrument or return instrument for repair The signal lamp flashes alternately red and green e instrument defective gt Exchange instrument or return instrument for repair Instrument repair If a repair is necessary please proceed as follows Clean the instrument and pack it damage proof Attach a description of the fault the ambient conditions and measured product to the instrument If necessary attach a safety sheet to the instrument Send the instrument to the address of the agency serving you in Germany directly to the headquarters KSR TF 611 with transistor output 23 Dismounting m MSR AEBLER 8 Dismounting 8 1 Dismounting steps Warning Before dismounting
12. SR KUEBLER SA Set up Control lamp Mode B transistor blocks Dry run protection Wn pou Red Failure of the sup transistor blocks ply voltage mode A B e Failure any transistor blocks i NE d N flashes red KSR TF 611 with transistor output 21 Maintenance and fault rectification Causes of malfunction Fault clearance Checking the switching signal m MSR AEBLER 7 Maintenance and fault rectification 7 1 Maintenance When used as directed in normal operation KSR TF 611 is completely maintenance free 7 2 Fault rectification KSR TF 611 offers maximum reliability Nevertheless faults can occur during operation These may be caused by the following e g Sensor Process Supply Signal processing The first measure to be taken is to check the output signal In many cases the causes can be determined this way and the faults rectified KSR TF 611 signals covered when the vibrating element is not submerged overfill protection KSR TF 611 signals uncovered when the vibrating element is submerged dry run protection e Supply voltage too low Check the power supply Electronics module defective Press the mode switch min max 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
13. 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 reverse order With Ex instruments the housing cover may only be opened if there is no explosive atmosphere present 8 2 Disposal The instrument consists of materials which can be recycled by specialised recycling companies We use recyclable materials and have designed the electronics 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 and do not use the municipal collecting points These may be used only for privately used products according to the WEEE directive Correct disposal avoids negative effects to persons and environment and ensures recycling of useful raw materials Materials see chapter Technical data If you cannot dispose of the instrument properly please contact us about disposal methods or return 24 KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 Kui MSR ANIBEBE EN Supplement 9 Supplement 9 1 Technical data General data Material 316L corresponds to 1 4404 or 1 4435 Materials wetted parts Process fitting thread Process fitt
14. e fork position after being screwed in Remove therefore the supplied seal from the thread of KSR TF 611 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 Screw KSR TF 611 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 KSR TF 611 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 Fig 7 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 still be turned by approx half a turn This is sufficient to reach the recommended installation position With flange versions the fork is directed to the flange holes When used in adhesive and viscous products the tuning fork should protrude into the vessel to avoid buildup For that reason sockets for flanges and mounting bosses should be avoided when mounting horizon
15. i Clamp 1 PN 10 conus DN 25 PN 40 Tuchenhagen Varivent DN 50 PN 10 10 mbar I s PN 64 Bolting DN 40 PN 40 Tri Clamp 1 Tri Clamp 1 PN 10 conus DN 25 PN 40 Tuchenhagen Varivent DN 50 PN 10 Output variable Output Load current Voltage loss Turn on voltage Blocking current Modes adjustable A B floating transistor output overload and perma nently shortcircuit proof max 400 mA max 1 V max 55 V DC 10 pA Max detection or overflow overfill protection Min detection or dry run protection Measuring accuracy Deviation 1 mm 0 04 in Influence of the process temperature on the switching point 26 KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 MSR KUEBLER Supplement D 10 25 64 8 5 16 6 15 64 4 5 32 i 2 5 64 waor 2 5 64 4 5 s2 76 15 64 8 5he j 10 29 g4 0 C 50 C 100 C 150 C 200 C 250 C 32 F 122 F 212 F 302 F 392 F 482 F Fig 21 Influence of the process temperature on the switching point Shifting of the switching point in mm in Process temperature in C F Switching point at reference conditions notch Tuning fork A wh Influence of the product density on the switching point KSR TF 611 with transistor output 27 Supplement MSR m lt MMEBLER
16. ine during the entire duration of use the compliance of the necessary occupational safety measures with the current valid regulations and take note of new regulations 2 5 CE conformity KSR TF 611 is in CE conformity with EMC 89 336 EWG fulfils NAMUR recommendation NE 21 and is in CE conformity with LVD 73 23 EWG Conformity has been judged according to the following standards KSR TF 611 with transistor output 5 For your safety m KSR SNIBEBEIEN e EMC Emission EN 61326 A1 1998 class B Susceptibility EN 61326 1997 A1 1998 e LVD EN 61010 1 1993 2 6 SIL conformity KSR TF 611 fulfills the requirements to functional safety according to IEC 61508 or IEC 61511 You find further information in the Safety Manual 2 7 Safety instructions 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 KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 Product description uai MSR lt MHESLER Scope of delivery Components Area of application 3 Product description 3 1 Configuration The scope of delivery encompasses e KSR TF 611 level sensor e Documentation this operating instructions manual Additional instructions manual Safety Manual Func tional safety according to IEC 61508 SIL
17. ing flange Process seal Tuning fork Extension tube 21 3 mm 0 84 in Sensor length length KSR TF 611 Materials non wetted parts Housing Seal between housing and housing cover Ground terminal Temperature adapter optional Gas tight leadthrough optional Weights Aluminium housing Stainless steel housing Layer thickness coatings ECTFE PFA Surface quality Standard hygienic version 3A hygienic version 3A 316L Hastelloy C4 2 4602 316L 316L with Hastelloy C4 plated 316L with ECTFE coated 316L with PFA coated Klingersil C 4400 with threaded versions 316L Hastelloy C4 2 4610 316L Hastelloy C4 2 4610 316L with ECTFE coating 316L with PFA coating See chapter Supplement Dimensions Aluminium die casting powder coated 316L NBR stainless steel housing silicone Alumi nium housing 316L 316L 316L glass 1170 g 41 oz 1530 g 54 oz approx 0 5 mm 0 02 in approx 0 5 mm 0 02 in Ra approx 3 um 1 18 in Ra 0 8 um 3 15 in Ra 0 3 um 1 18 in KSR TF 611 with transistor output 25 Supplement Ku MSR lt MMEGLER Process fittings Thread Flanges hygienic fittings Gas tight leadthrough optional leakage rate Pressure resistance hygienic fittings G A 34 NPT G1 A 1 NPT DIN from DN 25 ANSI from 1 Bolting DN 40 PN 40 Tri Clamp 1 Tr
18. nstallation approx 500 ms on off approx 1200 Hz 40 70 C 40 158 F 40 80 C 40 176 F Process conditions Parameter Process pressure KSR TF 611 of 316L Hastelloy C4 2 4610 Limit level of liquids 1 64 bar 14 5 938 psi depending on the process fitting e g flange see following diagrams 50 150 C 58 302 F KSR TF 611 with transistor output 29 Supplement MSR KUEBLER Process temperature thread or flange temperature with temperature adapter option KSR TF 611 of 316L Hastelloy C4 50 250 C 58 482 F KSR TF 611 with ECTFE coating 50 150 C 58 302 F KSR TF 611 with PFA coating 50 150 C 58 302 F eA 70 C 158 F i i E lojet A E EE 104 F i i i 0 C 382 F j 50 C 50 C 100 C 150 C 200 C 250 C 58 F 122 F 212 F 302 F 392 F 4gp F i 40 C i l 40 F Fig 24 Ambient temperature Process temperature 1 Process temperature in C F 2 Ambient temperature in C F 3 Temperature range with temperature adapter 1 14 5 i 5 50 C 0 C 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 25 Process temperature Process pressure with switch position 0 7 g cm mode switch 1 Process pressure in bar
19. on This arrow indicates a single action Sequence Numbers set in front indicate successive steps in a procedure KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 MSR For your safety uai QNIBEBE EN 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 During work on and with the device the required personal protection equipment must always be worn 2 2 Appropriate use KSR TF 611 is a sensor for level detection You can find detailed information on the application range 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 This 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 as well as all prevailing safety regulations and accident prevention rules The instrument must only be operated in a technically flawless and reliable condition The operator is responsible for trouble free operation of the instrument The user is also obliged to determ
20. on max 0 5 W Electrical protective measures Protection IP 66 IP 67 Overvoltage category I Protection class I Functional safety SIL Functional safety according to IEC 61508 IEC 61511 Single channel architecture 1001 up to SIL2 D Multiple channel architecture see supplementary instructions manual Safety Manual SIL Approvals Overfill protection according to WHG ATEX II 1G 1 2G 2G EEx ia IIC T6 ATEX II 1 2G 2G EEx d IIC T6 FM NI CL I DIV 2 GP ABCD FM XP CL I DIV 1 GP ABCD DIP CL Il Ill DIV 1 GP EFG Ship approvals 2 Deviating data in Ex applications see separate safety instructions 9 Only with Aluminium housing Only with Aluminium housing 2 32 KSR TF 611 with transistor output 819020 N3 096 L 31960 EN 070618 MSR KUEBLER Supplement 9 2 Dimensions KSR TF 611 69mm 2 23 32 116mm 4 9 16 277mm 3 1 32 284mm 3 5 46 117mm 4 39 54 116mm 4 9 1e M20x1 5 M20x1 5 Ye NPT Ye NPT D o Fig 27 Housing versions 1 Stainless steel housing 2 Aluminium housing KSR TF 611 with transistor output 33 Supplement m MSR SNIBEBEIEN KSR TF 611 L T7 941 G1A 1 NPT G3 4A 3 4 NPT Sr G1A 1 NPT 66 mm 9 33 7 mm 1 21 64 50 mm e 53mm 032 G3 4A 3 4 NPT
21. rminal 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 chapter Technical data in the Supplement KSR TF 611 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 gland 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 KSR TF 611 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 KSR TF 611 with transistor output 15 Connecting to power supply m MSR SNIBEBEIEN 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 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 b
22. s in the density switch must be set to 20 5 g cm Keep in mind that foams with a density gt 0 45 g cm 0 016 Ibs in are detected by the sensor This can cause faulty switchings particulary when used as dry run protection system Fig 2 Vertical mounting Switching point approx 13 mm 0 51 in Switching point with lower density Switching point with higher density Switching point approx 27 mm 1 06 in ROM 10 KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 MSR KUEBLER Mounting Fig 3 Horizontal mounting 1 Switching point Fig 4 Vertical installation recommended installation position especially for adhesive products 1 Switching point 2 Marking with screwed version on top with flange versions directed to the flange holes With flange versions the fork is directed as follows to the flange holes Fig 5 Fork position with flange versions Moisture Use the recommended cables see chapter Connecting to power supply and tighten the cable gland You can give your KSR TF 611 additional protection against moisture penetration by leading the connection cable down ward in front of the cable entry Rain and condensation water KSR TF 611 with transistor output 11 Mounting Kum MSR AEBLER Transport Pressure Vacuum Handling
23. s takes on a defined switching condition i e the output transistor blocks safe condition 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 subject to temperature shock limitations The frequency changes when the tuning fork is covered by the medium This change is detected by the integrated oscillator and converted into a Switching command KSR TF 611 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 data for power supply are stated in chapter Technical data in the Supplement 3 3 Operation With the factory setting products with a density gt 0 07 g cm 70 025 Ibs in can be measured 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 e signal lamp for indication of the switching condition green red e DIL switch for sensitivity adjustment KSR TF 611 with transistor output 819020 N3 096 LE 31960 EN 070618 MSR KUEBLER Product description e Mode switch for selection of the switching condition A B 3 4 Storage and transport
24. tally KSR TF 611 with transistor output 13 Mounting Inflowing medium Flows Ku MSR SNIBEBEIEN If KSR TF 611 is mounted in the filling stream unwanted mismeasurements may result Mount KSR TF 611 at a location in the vessel where no disturbing influence from e g filling openings agitators etc can occur To minimise flow resistance caused by the tuning fork KSR TF 611 should be mounted in such a way that the surfaces of the blades are parallel to the product movement 14 KSR TF 611 with transistor output 819070 N3 0961 31960 EN 070618 Connecting to power supply uai MSR lt MHESLER Note safety instructions Take note of safety instructions for Ex applications Select power supply Selecting connection cable Select connection cable for Ex applica tions 5 Connecting to power supply 5 1 Preparing the connection Always keep in mind 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 according to the following diagrams Take note of the general installation regulations As a rule connect KSR TF 611 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 te
25. y 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 plan single chamber housing The following illustrations apply to the non Ex as well as to the EEx d version e Fig 8 Material versions single chamber housing 1 2 3 Aluminium Stainless steel Filter element for pressure compensation 16 KSR TF 611 with transistor output 819020 N3 096 LE 31960 EN 070618 MSR 4 KUEBLER Connecting to power supply Electronics and connection compartment SW E60T TT2 94 PNP i 2 3 4 NPN 1 XT Tout max 400mA D A 05g cm3 i B 07 g em3 3 2 3 4 4 5 NE ED EA Fig 9 Electronics and connection compartment single chamber housing 1 Control lamp 2 DIL switch for mode adjustment 3 DIL switch for switching point adaptation 4 Ground terminal 5 Screwed terminals Wiring plan We recommend connecting KSR TF 611 in such a way that the switching circuit is open when there is a level signal line break or failure safe condition The instrument is used to control relays contactors magnet valves warning lights horns as well as PLC inputs JN aaa 1 2 3 4 Fig 10 NPN action KSR TF
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