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Technical Data Sheet
©
KROHNE 11/2006
7.02541.22.00
CMD
Electromagnetic flowmeters
Variable area flowmeters
Mass flowmeters
Ultrasonic flowmeters
Vortex flowmeters
Flow controllers
Level measuring instruments
Pressure and temperature
Heat metering
Communications technology
Switches, counters, displays and recorders
Engineering systems & solutions
Subject to change without notice.
OPTISWITCH 3000 series
Vibration level switch
for solids
Highly robust tuning fork
Insensitive to build-up
Set-up without filling
Detection of solids in water
Maintenance-free
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Related Manuals for KROHNE OPTISWITCH 3000 series
Summary of Contents for KROHNE OPTISWITCH 3000 series
- Page 1 Technical Data Sheet © KROHNE 11/2006 7.02541.22.00 OPTISWITCH 3000 series Vibration level switch for solids Highly robust tuning fork Insensitive to build-up Set-up without filling Detection of solids in water Maintenance-free Electromagnetic flowmeters Variable area flowmeters Mass flowmeters Ultrasonic flowmeters...
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Page 2: Table Of Contents
Take note of safety instructions for Ex applications Please note the Ex specific safety information which you will find on our homepage www.krohne-mar.com and which come with the appropriate instrument. In hazardous areas you should take note of the appropriate regulations, conformity and type approval certificates of the sensors and power supply units. -
Page 3: Description Of The Measuring Principle
Contents Description of the measuring principle OPTISWITCH 3000 C is only available as screwed version with Measuring principle plastic housing and without approvals. OPTISWITCH is a level sensor with tuning fork for level detection. The most important advantageof this instrument is its price, which It is designed for industrial use in all areas of process technology makes the measurement loop very cost-effective. - Page 4 Description of the measuring principle Building material industry Fig. 2: Silo for aggregate in the building material industry Cement or aggregates are placed in interim storage in multiple chamber silos. When the chambers are filled, large quantities of dust are generated. Depending on the consistency of the aggre- gate, different material cones are formed and the product proper- ties can change from filling to filling.
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Page 5: Type Overview
Description of the measuring principle Type overview OPTISWITCH 3100 C OPTISWITCH 3200 C OPTISWITCH 3300 C Preferred application: Solids Solids Solids Length: 0.3 … 80 m (1 … 262 ft) 0.3 … 6 m (1 … 20 ft) Process fitting: Thread G1½A, flanges Thread G1½A, flanges Thread G1½A, flanges... - Page 6 Type overview Housing Plastic Stainless steel Aluminium Electronics Relay output Transistor output Contactless elec- Two-wire output tronic switch NAMUR output Sensors Tuning fork Approvals Gas explosion pro- Dust explosion pro- tection tection Vibration – Level detection of bulk solids...
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Page 7: Mounting Instructions
Type overview Mounting instructions Switching point In general, OPTISWITCH can be mounted in any position. The instrument must be mounted in such a way that the vibrating element is at the height of the requested switching point. The only exception is the mounting of the tuning fork vertically from the bottom. - Page 8 Mounting instructions This measure applies particularly to applications in Ex areas. Make sure that the tube is not subjected to bend- ing forces through this measure. Should the installation from top be necessary, check if you can use a cable version. In the long run, strong vibrations can damage the instrument elec- tronics.
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Page 9: Electrical Connection
Mounting instructions Electrical connection Preparing the connection Note safety instructions Generally note the following safety instructions: Connect only in the complete absence of line voltage Take note of safety instructions for Ex applications In hazardous areas you should take note of the appro- priate regulations, conformity and type approval certifi- cates of the sensors and power supply units. - Page 10 Electrical connection Take note of the operating instructions manual of the signal con- ditioning instrument. Suitable signal conditioning instruments are listed in chapter "Technical data". Fig. 12: PNP action Contactless electronic switch We recommend connecting OPTISWITCH in such a way that the switching circuit is open when there is a level signal, line break or failure (safe condition).
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Page 11: Operation
Electrical connection Operation Recurring function test Adjustment, general The recurring test according to IEC 61508 can be carried out by pushing the simulation key on the oscillator or by briefly (>2 sec- onds) interrupting the supply to the sensor. The correct sequence of the switching conditions must be monitored via the switching amplifier as well as the connected systems. - Page 12 Operation You can carry out the function test with the outputted current values also directly via a safety PLC or a process control system. The implementation and switching sequence of the function test is described also in the operating instructions manual of the ap- propriate signal conditioning instrument.
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Page 13: Technical Data
Operation Technical data General data Material 316L corresponds to 1.4404 or 1.4435 OPTISWITCH 3000 C Materials, wetted parts - Process fitting - thread - vibrating element 316L/318S13 (1.4462) Materials, non-wetted parts - Housing plastic PBT (Polyester) - Seal ring between housing and housing cover Silicone - Ground terminal 316Ti/316L... - Page 14 Technical data Weights - OPTISWITCH 3300 C with plastic housing 1500 g (53 oz) - OPTISWITCH 3300 C with Aluminium housing 1950 g (69 oz) - OPTISWITCH 3300 C with stainless steel housing 2300 g (81 oz) - Extension tube (OPTISWITCH 3300 C) ø 43 mm (1.7 in) approx.
- Page 15 Technical data Current consumption - Falling characteristics (max.) ≥2.2 mA uncovered/≤1 mA covered - Rising characteristics (min.) ≤1 mA uncovered/≥2.2 mA covered - Fault signal ≤1 mA Necessary processing system NAMUR processing system according to IEC 60947-5-6 (EN 50227/ DIN 19234) Modes (NAMUR output adjustable to falling or rising characteristics) - min.
- Page 16 Technical data 1x cable entry ½ NPT, 1x blind stopper ½ NPT, 1x cable entry ½ NPT 1x plug M12x1, 1x blind stopper M20x1.5 Spring-loaded terminals for wire cross-section up to 1.5 mm² Adjustment elements Electronics versions - relay, transistor output, contactless electronic switch Mode switch - min.
- Page 17 Technical data Protection class Approvals OPTISWITCH 3000 C OPTISWITCH 3000 C has no approvals. OPTISWITCH 3100 C, 3200 C, 3300 C, electronics versions - relay output, transistor output, contactless electronic switch ATEX II 1/2G, 2G EEx d IIC T6 ATEX II 1/2 D IP66 T OPTISWITCH 3100 C, 3200 C, 3300 C, electronics version - two-wire output ATEX II 1G, 1/2G, 2G EEx ia IIC T6 ATEX II 1G, 1/2G, 2G EEx ia IIC T6 + ATEX II 1/2 D IP66 T6...
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Page 18: Dimensions
Technical data Dimensions Housing OPTISWITCH 3200 C ~ 116mm ~ 69mm ~ 69mm ") ") ø 77mm ") ø 84mm ø 77mm ") ") ") M20x1,5/ M20x1,5/ M20x1,5 ½ ½ NPT ½ NPT G1½A ø 43mm (1 ") Fig. 20: Housing versions (OPTISWITCH 3000 C only with plastic housing) Plastic housing Stainless steel housing Aluminium housing... - Page 19 OPTISWITCH 3300 C G1½A ø 43mm (1 ") Fig. 24: OPTISWITCH 3300 C, threaded version G1½ Temperature adapter ø 34 mm ") Fig. 25: Temperature adapter (only for OPTISWITCH 3100 C and 3200 C) Vibration – Level detection of bulk solids...
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