KROHNE OPTISWITCH 3300 C Handbook
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KROHNE OPTISWITCH 3300 C Handbook

Vibrating level switch
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OPTISWITCH 3300 C
Handbook
Vibrating Level Switch
Transistor (NPN/PNP)

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Summary of Contents for KROHNE OPTISWITCH 3300 C

  • Page 1 OPTISWITCH 3300 C Handbook Vibrating Level Switch Transistor (NPN/PNP)

  • Page 2: Table Of Contents

    Exchanging the electronics module ................24 How to proceed if a repair is necessary ................25 Dismount..........................26 Dismounting steps......................26 Disposal ......................... 26 Supplement ..........................27 Technical data ........................ 27 Dimensions ........................30 Trademark ........................33 OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 3 Contents Safety instructions for Ex areas Take note of the Ex specific safety instructions for Ex applications. These instructions are attached as documents to each instrument with Ex approval and are part of the operating instructions. Editing status: 2018-11-22 OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 4: About This Document

    The dot set in front indicates a list with no implied sequence. Sequence of actions Numbers set in front indicate successive steps in a procedure. Battery disposal This symbol indicates special information about the disposal of bat- teries and accumulators. OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 5: For Your Safety

    During work on and with the device, the required personal protective equipment must always be worn. Appropriate use The OPTISWITCH 3300 C is a sensor for point level detection. You can find detailed information about the area of application in chapter " Product description". Operational reliability is ensured only if the instrument is properly used according to the specifications in the operating instructions manual as well as possible supplementary instructions.

  • Page 6: Safety Label On The Instrument

    The EU conformity declaration can be found on our homepage. SIL conformity OPTISWITCH 3300 C meets the requirements to the functional safety according to IEC 61508. Further information is available in the Safety Manual " OPTISWITCH 3XXX".

  • Page 7: Product Description

    OPTISWITCH 3300 C point level switch • Documentation – This operating instructions manual – Ex specific safety instructions (with Ex versions), if necessary further certificates Constituent parts The OPTISWITCH 3300 C consists of the components: • Housing lid • Housing with electronics • Process fitting with tuning fork Fig. 1: OPTISWITCH 3300 C with plastic housing...

  • Page 8: Principle Of Operation

    3 Product description Principle of operation Application area OPTISWITCH 3300 C is a point level sensor with tuning fork for point level detection. It is designed for industrial use in all areas of process technology and is preferably used for bulk solids.

  • Page 9: Storage And Transport

    Technical data - Ambient conditions" • Relative humidity 20 … 85 % Lifting and carrying With instrument weights of more than 18 kg (39.68 lbs) suitable and approved equipment must be used for lifting and carrying. OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 10: Mounting

    Switching point In general, OPTISWITCH 3300 C can be installed in any position. The instrument only has to be mounted in such a way that the vibrating element is at the height of the desired switching point.

  • Page 11: Mounting Instructions

    4 Mounting Fig. 2: Measures against moisture ingress Transport Do not hold OPTISWITCH 3300 C on the vibrating element. Espe- cially with flange and tube versions, the sensor can be damaged by the weight of the instrument. Remove the protective cover just before mounting. Pressure/Vacuum The process fitting must be sealed if there is gauge or low pressure in the vessel. Before use, check if the sealing material is resistant against the measured product and the process temperature.
  • Page 12 4 Mounting 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. agita- tors or turbulence in the vessel, e.g. by fluidisation, can cause the...
  • Page 13 The tuning fork must be mounted in a way that takes the arrangement of the filling and emptying apertures into account. To compensate measurement errors caused by the material cone in cylindrical vessels, the sensor must be mounted at a distance of d/6 from the vessel wall. Fig. 4: Filling and emptying centred OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 14 Fig. 5: Filling in the centre, emptying laterally OPTISWITCH 3300 C Discharge opening Filling opening Product flow To make sure the tuning fork of OPTISWITCH 3300 C generates as little resistance as possible to product flow, mount the sensor so that the surfaces are parallel to the product movement. OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 15 Marking with screwed version 2 Direction of flow Baffle protection against In applications such as grit chambers or settling basins for coarse falling rocks sediments, the vibrating element must be protected against damage with a suitable baffle. This baffle must be manufactured by you. > 125 mm (> 5") Fig. 7: Baffle for protection against mechanical damage OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 16: Connecting To Power Supply

    Cover all housing openings conforming to standard according to EN 60079-1. 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 lid OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 17: Wiring Plan, Single Chamber Housing

    10. If necessary, carry out a fresh adjustment 11. Screw the housing lid back on The electrical connection is finished. Wiring plan, single chamber housing The following illustrations apply to the non-Ex as well as to the Ex-d version. OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 18 Stainless steel (not with Ex d) Filter element for pressure compensation (not with Ex d) Wiring plan We recommend connecting OPTISWITCH 3300 C in such a way that the switching circuit is open when there is a level signal, line break or failure (safe state).
  • Page 19 5 Connecting to power supply 1 2 3 4 Fig. 11: NPN action 1 2 3 4 Fig. 12: PNP action OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 20: Setup

    (1) It is already preset and must only be modified in special cases. By default, the potentiometer of OPTISWITCH 3300 C is set to the right stop (> 0.02 g/cm³ or 0.0008 lbs/in³). In case of very light-weight solids, turn the potentiometer to the left stop (> 0.008 g/cm³ or...

  • Page 21: Function Table

    6 Setup 0.0003 lbs/in³). OPTISWITCH 3300 C will thus be more sensitive and can detect light-weight solids more reliably. For instruments detecting solids in water, these settings are not ap- plicable. The density range is preset and must not be changed.
  • Page 22 6 Setup Level Switching status Control lamp Fault open flashes red OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 23: Maintenance And Fault Rectification

    Check the vibrating element and the sensor for buildup ement and remove the buildup if there is any. Wrong mode selected Set the correct mode with the mode switch (overflow protection, dry run protection). Wiring should be carried out according to the closed-circuit principle. OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 24: Exchanging The Electronics Module

    6. Pull out the old electronics module 7. Compare the new electronics module with the old one. The type label of the electronics module must correspond to that of the old electronics module. This applies particularly to instruments used in hazardous areas. OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 25: How To Proceed If A Repair Is Necessary

    15. Screw the housing lid back on The electronics exchange is now finished. How to proceed if a repair is necessary If it is necessary to repair the instrument, please contact the responsi- ble Krohne agency. OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 26: Dismount

    With Ex instruments, the housing cover may only be opened if there is no explosive atmosphere present. Disposal The device is made of recyclable materials. For this reason, it should be disposed of by a specialist recycling company. Observe the ap- plicable national regulations. OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 27: Supplement

    Sensor length (L) 0.3 … 6 m (0.984 … 19.69 ft) Sensor lengths - accuracy ± 2 mm (± 0.079 in) Max. lateral load 290 Nm, max. 600 N (214 lbf ft, max. 135 lbf) OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 28 -1 … 25 bar/-100 … 2500 kPa (-14.5 … 363 psig) 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 (option) OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 29 Power consumption max. 0.5 W Electrical protective measures Protection rating IP66/IP67 (NEMA Type 4X) A suitable cable is required for maintaining the protec- tion rating. Altitude above sea level up to 5000 m (16404 ft) OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 30: Dimensions

    ø 77mm (2.72") ø 84mm ø 77mm (3.03") (3.31") (3.03") M20x1,5/ M20x1,5/ M20x1,5/ M20x1,5 ½ NPT ½ NPT ½ NPT Fig. 17: Housing versions Plastic single chamber Stainless steel single chamber Aluminium - single chamber OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 31 9 Supplement G1½ ø 43 mm (1.69") Fig. 18: OPTISWITCH 3300 C, threaded version G1½A (DIN ISO 228/1) Sensor length, see chapter " Technical data" OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 32 9 Supplement ø 34 mm (1.34") Fig. 19: Temperature adapter OPTISWITCH 3300 C • Transistor (NPN/PNP)

  • Page 33: Trademark

    9 Supplement Trademark All the brands as well as trade and company names used are property of their lawful proprietor/ originator. OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 34 Notes OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 35 Notes OPTISWITCH 3300 C • Transistor (NPN/PNP)
  • Page 36 • Engineering, commissioning, calibration, maintenance and train- ing services Head Office KROHNE Messtechnick GmbH Ludwig-Krohne-Straße 5 47058 Duisburg (Germany) Tel.: +49 (0) 203 301 0 Tel.: +49 (0) 203 301 10389 info@krohne.de The current list of all KROHNE contacts and addresses can be found at: www.krohne.com...

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