KROHNE OPTISWITCH 4000 C Operating Instructions Manual
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KROHNE OPTISWITCH 4000 C Operating Instructions Manual

KROHNE OPTISWITCH 4000 C Operating Instructions Manual

With transistor output
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Operating Instructions
OPTISWITCH 4000 C
with transistor output

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Summary of Contents for KROHNE OPTISWITCH 4000 C

  • Page 1 Operating Instructions OPTISWITCH 4000 C with transistor output...

  • Page 2: Table Of Contents

    Technical data......Dimensions ......OPTISWITCH 4000 C - with transistor output...

  • Page 3: About This Document

    This symbol indicates special instructions for Ex applications. List The dot set in front indicates a list with no implied sequence. à Action This arrow indicates a single action. Sequence Numbers set in front indicate successive steps in a procedure. OPTISWITCH 4000 C - with transistor output...

  • Page 4: For Your Safety

    (e.g. the VDE regulations in Germany) as well as all prevailing safety regulations and accident prevention rules. 2.5 CE conformity OPTISWITCH 4000 C is in CE conformity with EMC (89/336/ EWG), fulfils Namur recommendation NE 21 and NE 23 and is in CE conformity with NSR (73/23/EWG).

  • Page 5: Product Description

    fitting with tuning fork Fig. 1: OPTISWITCH 4000 C 3.2 Principle of operation OPTISWITCH 4000 C is a level sensor with tuning fork for level Area of application detection. It is designed for industrial use in all areas of process technology and can be used in liquids.

  • Page 6: Operation

    This change is detected by the integrated oscillator and converted into a switching command. OPTISWITCH 4000 C is a compact instrument, i.e. it can be Power supply operated without external evaluation system. The integrated electronics evaluates the level signal and outputs a switching signal.
  • Page 7 PE foil is also used. Dispose of the packaging material via specialised recycling companies. Storage and transport temperature see "Supplement - Storage and transport tem- perature Technical data - Ambient conditions" Relative humidity 20 … 85 % OPTISWITCH 4000 C - with transistor output...

  • Page 8: Mounting

    The switching point refers to water (1 g/cm³ or 0.036 lbs/in³). When mounting OPTISWITCH 4000 C, make sure that this marking is at the height of the requested switching point. Keep in mind that the switching point of the instrument is shifted if the medium has a density other than water.
  • Page 9 (e.g. by cleaning processes) or on cooled or heated vessels. Fig. 4: Measures against moisture penetration Do not hold OPTISWITCH 4000 C on the tuning fork. Transport OPTISWITCH 4000 C - with transistor output...

  • Page 10: Mounting Instructions

    OPTISWITCH 4000 C is in the same position after being screwed in. Remove therefore the supplied flat seal from the thread of OPTISWITCH 4000 C. This flat seal is not required when using a welded socket with front-flush O-ring.
  • Page 11 The position of the tuning fork is marked by a marking on the hexagon of OPTISWITCH 4000 C. 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.
  • Page 12 filling openings, agitators etc. can occur. To minimise flow resistance caused by the tuning fork, Flows OPTISWITCH 4000 C should be mounted in such a way that the surfaces of the blades are parallel to the product movement.

  • Page 13: Connecting To Voltage Supply

    Generally not the following safety instructions: Note safety instructions Connect only in the complete absence of line voltage OPTISWITCH 4000 C is connected with standard cable with Selecting the connection ca- round cross section. Depending on the plug connection, you have to select the outer diameter of the cable respectively so that the seal effect of the cable gland is ensured.

  • Page 14: Wiring Plan

    This plug connection requires a preconfectioned cable with plug. Protection IP 66/IP 67. Valve plug DIN 43650 For this plug version, standard cable with round wire cross- section can be used. Cable diameter 4.5 … 7 mm, protection IP 65. OPTISWITCH 4000 C - with transistor output...
  • Page 15 For this plug version you can use standard cable with round wire cross-section. The inner cables must not be dismantled. The plug connects the cables automatically when screwing them in. Cable diameter 5.5 … 8.0 mm, protection IP 67. OPTISWITCH 4000 C - with transistor output...
  • Page 16 Transistor output resistance <100 kOhm. Max. Min. 10... 55V DC 10... 55V DC Fig. 10: Wiring plan - Transistor output with valve plug DIN 43650 PA Potential equalisation RL Load resistor (contactor, relay etc.) OPTISWITCH 4000 C - with transistor output...
  • Page 17 Connecting to voltage supply Min. Max. 10... 55V DC 10... 55V DC Fig. 11: Wiring plan (housing) - Transistor output with M12x1 plug connection Brown White Blue Black RL Load resistor (contactor, relay etc.) OPTISWITCH 4000 C - with transistor output...

  • Page 18: Set Up

    The switching status of the electronics can be checked on the upper part of the housing. 6.2 Function test OPTISWITCH 4000 C has an integrated test switch which can be activated magnetically. Proceed as follows to test the instrument: à...

  • Page 19: Function Chart

    Level Switching status Control lamp Mode max. transistor conducts Green Mode max. transistor blocks Mode min. transistor conducts Green Mode min. transistor blocks Failure transistor blocks flashes red OPTISWITCH 4000 C - with transistor output...

  • Page 20: Maintenance And Fault Rectification

    When used as directed in normal operation, OPTISWITCH 4000 C is completely maintenance free. 7.2 Rectify faults OPTISWITCH 4000 C offers maximum reliability. Nevertheless Causes of malfunction faults can occur during operation. These may be caused by the following, e.g.:...

  • Page 21: Exchange The Electronics

    To exchange the electronics module, proceed as follows: 1 Separate OPTISWITCH 4000 C from operating voltage 2 Loosen screw (1) of the valve plug (2) with a wrench (loosen M12x1 plug connection by turning the compression nut) 3 Remove valve plug (2) or M12x1 acc.

  • Page 22: Instrument Repair

    Electronics module Rotary switch (16-steps) Plug connector Fixing screw Housing 7.4 Instrument repair If a repair is necessary, please proceed as follows: You can download a return form from our website http://www. krohne-mar.com/fileadmin/media-lounge/PDF-Download/ OPTISWITCH 4000 C - with transistor output...
  • Page 23 Print and fill out one form per instrument Clean the instrument and pack it damage-proof Attach the completed form and possibly also a safety data sheet to the instrument OPTISWITCH 4000 C - with transistor output...

  • Page 24: Dismounting

    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 4000 C - with transistor output...

  • Page 25: Supplement

    Process temperature - High temper- -40 … +150 °C (-40 … +302 °F) ature version (option) Temperature shock no limitation Viscosity - dynamic 0.1 … 10000 mPa s Density 0.7 … 2.5 g/cm³ (0.025 … 0.9 oz/in³) OPTISWITCH 4000 C - with transistor output...
  • Page 26 >0.1 mm (>0.004 in) - Wire diameter 1.6 … 2.0 mm² (0.06 … 0.08 in²) - Cable outer diameter 5.5 … 8.0 mm (0.22 … 0.31 in) - Connection frequency 10 x (to the same cross-section) OPTISWITCH 4000 C - with transistor output...
  • Page 27 - Valve plug (DIN 43650) IP 65 - Valve plug IDC method of termina- IP 67 tion (DIN 43650) - M12x1 plug connection IP 66/IP 67 Overvoltage category Protection class Approvals Overfill protection acc. to WHG OPTISWITCH 4000 C - with transistor output...

  • Page 28: Dimensions

    G1A, 1"NPT ø21,3mm ") Fig. 14: OPTISWITCH 4000 C, standard version Thread G¾ A, G1 A, ¾ NPT or 1 NPT (M12x1) Thread G¾ A, G1 A, ¾ NPT or 1 NPT (valve plug DIN 43650) Thread G¾ A, G1 A, ¾ NPT or 1 NPT (valve plug DIN 43650 with IDC method of termination) Switching point Length with G¾...
  • Page 29 G1A, 1"NPT ø21,3mm ") Fig. 15: OPTISWITCH 4000 C, high temperature version Thread G¾ A, G1 A, ¾ NPT or 1 NPT (M12x1) Thread G¾ A, G1 A, ¾ NPT or 1 NPT (valve plug DIN 43650) Thread G¾ A, NPT or 1 NPT (valve plug DIN 43650 with with IDC method of termination) Switching point Length with G¾...
  • Page 30 Supplement OPTISWITCH 4000 C - with transistor output...
  • Page 31 Supplement OPTISWITCH 4000 C - with transistor output...
  • Page 32 Subject to change without notice 31763-EN-060830...

Table of Contents