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Level limit switch

Series VN 1000 / 2000 / 5000 / 6000

Technical information / Instruction manual

page

Notes for use in Hazardous Locations

Max. Surface Temperature and Temperature Class

The temperature marking on the name plate refers to the instruction manual.
On the following tables the relevant temperature ratings are shown.

The maximum surface temperature (resp. temperature class) is the warmest temperature of the unit which could occur during

malfunction (according to Ex-definition).

The data tables are valid, when it can
be guaranteed during installation that
the screwed connection has a maximum
temperature of 80°C (176°F) during
normal use.

max. 80°C (176°F)

ambient side

process
side

Nozzle

Versions with intrinsic safe

electronic modules:

NAMUR IEC 60947-5-6
8/16 mA or 4-20 mA

Max. ambient

temperature

Max. process-

temperature

Max. surface

temperature

Temperature

class

(Division

System)

Temperature

class

(Zone System)

60°C (140°F)

80°C (176°F)

120°C (248°F)

T4A

90°C (194°F)

120°C (248°F)

T4A

100°C (212°F)

120°C (248°F)

T4A

110°C (230°F)

120°C (248°F)

T4A

120°C (248°F)

T4A

130°C (266°F)

140°C (284°F)

140° C (284°F)

T3C

150°C (302°F)

150° C (302°F)

T3C

Versions with non intrinsic safe

electronic modules:

Universal voltage Relay SPDT
Universal voltage Relay DPDT
3-wire PNP
2-wire without contact
8/16 mA or 4-20 mA

Max. ambient

temperature

Max. process-

temperature

Max. surface

temperature

Temperature

class

(Division

System)

Temperature

class

(Zone System)

50°C (122°F)

70°C (158°F)

80°C (176°F)

60°C (140°F)

80°C (176°F)

85°C (185°F)

90°C (194°F)

100°C (212°F)

110°C (230°F)

T4A

120°C (248°F)

T4A

130°C (266°F)

140°C (284°F)

140° C (284°F)

T3C

150°C (302°F)

150° C (302°F)

T3C

Vibranivo

VN 1000 / 2000 / 5000 / 6000 g

gi180713

Содержание vibranivo VN 1020

Страница 1: ... Settings Sensitivity 28 Maintenance 29 Notes for use in Hazardous Locations 30 Assembly VN 040 33 Assembly VN 020 VN 030 with separate housing 38 Disposal 40 Table of contents Subject to technical change and price change We assume no liability for typing errors All dimensions in mm inches Different variations to those specified are possible Please contact our technical consultants Vibranivo 1 2 3...

Страница 2: ...t a failure to observe the necessary precautions can result in death serious injury and or considerable material damage This symbol is used when there is no corresponding caution symbol on the product A failure to observe the necessary precautions can result in considerable material damage CAUTION Safety symbols In manual and on product Description CAUTION refer to accompanying documents manual fo...

Страница 3: ...tored The device can also be mounted from the top of the container In this case an extension piece is used to mount the probe level with the height to be registered The length of the probe can be up to 4 m 157 with an extension tube VN 030 or up to 20 m 787 with an extension rope VN 2050 6050 The use of a sliding sleeve is recommended so that the switch point can be changed easily during operation...

Страница 4: ...on Instruction manual page Technical data Housing versions Series VN 1000 2000 Standard Series VN 5000 6000 Standard de Explosionproof with increased safety terminal box d Flameproof explosionproof Vibranivo 1 2 3 4 5 6 7 8 9 10 11 12 VN 1000 2000 5000 6000 g gi180713 4 ...

Страница 5: ... 9 84 Extensions Thread Flange Temperature extended shaft pos 3 2 Option Separate housing pos 26 1 pos 26 2 Thread Temperature extended shaft pos 3 2 Flange Technical Data Triclamp Triclamp With option separate housing pos 26 1 pos 26 2 Cap nut see page 16 see page 6 bottom right Welding seam max ø43 8 mm ø1 72 see page 6 below right hand Welding seam max ø43 8 mm ø1 72 Vibranivo 1 2 3 4 5 6 7 8 9...

Страница 6: ...ttom right Welding seam max ø43 8 mm ø1 72 see right Welding seam max ø43 8 mm ø1 72 with option Enhanced sensitivity Vibrasil 90 pos 26 x pos 26 b with option Vibrasil 70 pos 26 a increased vibrating surface aluminium Vibranivo 1 2 3 4 5 6 7 8 9 10 11 12 VN 1000 2000 5000 6000 g gi180713 6 VN 040 VN 050 VN 10 0 VN 20 0 VN 50 0 VN 60 0 Pos 5 A G 1 5 B NPT 1 Pos 5 L G 1 5 M G 1 5 S NPT 1 5 T NPT 1 ...

Страница 7: ...9 230 V AC 50 60 Hz 19 55 V DC 10 19 230 V AC 50 60 Hz 19 55 V 36 V DC 10 Version with intrinsic safe connection between Electronic module and Vibrating fork see pos 4 in the selection list 18 50 V DC 10 Max ripple of power supply 7 Vss at DC 7 Vss at DC 7 Vss Installed load max 8 VA 1 5 W max 18 VA 2 W max 1 5 W Signal output Floating relay SPDT VN 1000 2000 AC max 253 V 4 A 500 VA at cos Phi 1 D...

Страница 8: ...ic circuit max 5 mA To enable a safe opening of relay contacts the cutoff current will be set for some milliseconds to 0 when opening the electric circuit Short circuit and overload protected 1 mA or 2 2 mA spec IEC 60947 5 6 Setting 8 16 mA 8 mA or 16 mA 0 5 mA Setting 4 20 mA Output current depends on the vibration amplitude of the fork between 6 mA for damped vibration and 20 mA for full vibrat...

Страница 9: ... 1 tapered EN 10226 or NPT 1 tapered ANSI B 1 20 1 Triclamp Stainless steel 1 4301 304 or 1 4404 316L 2 DN50 ISO 2852 Flanges according to selection Oscillator Material stainless steel 1 4404 316L food grade Surface treatment of vibrating rods polished Ra 0 75 μm teflon on request Sound level max 50 dBA Overall weight ca Technical data VN 1000 2000 Standard housing Extension VN 1020 2020 1 6 kg 3 ...

Страница 10: ...aterial No strong caking tendancies Max grain size 10 mm 0 39 Max mechanical load 600 N laterally on oscillator rods Recommended protection in case of high material load mounting of a protective canopy above the probe Max mechanical torque 300 Nm VN 030 100 Nm VN 040 Max tractive force 2 kN VN 050 Max process pressure 16 bar 232 psi VN 020 VN 030 16 bar 232 psi VN 040 depending on the quality of t...

Страница 11: ...ansport temperature 40 80 C 40 176 F Transport humidity 20 85 Transport incoming inspections must be caried out to check for possible transport damage Storage Products must be stored at a dry and clean place They must be protected from influence of corrosive environment vibration and exposure to direct sunlight Storage temperature 40 80 C 40 176 F Storage humidity 20 85 Vibranivo 1 2 3 4 5 6 7 8 9...

Страница 12: ... safety Cl II III Div 1 Gr E F G Ex DIP A20 and A20 21 IS Cl I Div 1 Gr A D Cl I Zone 0 and Zone 0 1 Ex ia IIC XP IS Cl I Div 1 Gr B D Cl I Zone 1 Ex d ia IIC Cl I Zone 1 Ex de ia IIC Ex ta tb IIIC T Da Db X Ex ia IIC T Ga X and Ex ia IIC T Ga Gb X Ex d ia IIC T Gb X Ex de ia IIC T Gb X INMETRO Dust explosion Gas explosion Intrinsic safe Flameproof Flameproof increased safety Ex ta tb IIIC T Da Db...

Страница 13: ... VN 030 G2 ISO 228 or 2 NPT ANSI B 1 20 1 Material 1 4301 304 or 1 4404 316L Sealing material to the extension tube viton Max 16bar 232psi 150 C 302 F VN 040 Because the outer diameters of the locally mounted 1 tube may differ sliding sleeve on request Not for Hazardous Locations Mounting set Screws and washers for fixing the unit on a flange Glass window in lid To see the indicating light on the ...

Страница 14: ... degrees from vertical installation Mounting location Comply with distance from incoming material and from the silo wall The installation has to be done in a way that the sensor elements cannot hit the wall of the silo The flow of the medium and fixtures in the container must be considered This is especially important for extension lengths of more than 3 m 118 1 2 sliding sleeve Tighten both locki...

Страница 15: ... connection after mounting For the d and de housing Fixing screw must be unfastened to enable rotation Fix the screw again when the housing has the right position Orientation marking of oscillating rods shows the orientation of the oscillating rods after mounting Fixing screw Housing Additional Safety Instructions for Hazardous Locations Installation regulations For the use of devices in Hazardous...

Страница 16: ...nopy in case of high mechanical loading approx 200 mm 7 87 distance Installation in the conical part only for trickling material that cannot be pressed between the vibration rods CORRECT WRONG Orientation marking of oscillating rods faces sideways Working surface too large overload if material is discharged danger of caking or crust deformation CORRECT Vibrating rods lead into the product WRONG So...

Страница 17: ...thread instead of a cable gland the regulations of the country where the unit is installed must be observed The conduit must have a tapered thread either NPT 1 2 or NPT 3 4 in accordance with the unit and ANSI B 1 20 1 Not used inlets must be closed tight with a metal closing element Field wiring cables The diameter has to match to the clamping range of the used cable gland The cross section has t...

Страница 18: ... the product is installed Not used entries have to be closed with blanking elements certified for this purpose Where available the factory provided parts must be used A strain relief must be provided for the field wiring cables when the device is installed with the factory provided cable glands The diameter of the field wiring cable must match to the clamping range of the cable clamp If other than...

Страница 19: ...em needs to be sealed from each other by a certified flameproof seal Conduit entries of a flameproof enclosure d shall have installed the flameproof seal within 18 inches from the enclosure wall Not used entries have to be closed with adequate blanking elements of a certified flameproof type AEx Cl 1 Div 1 A Commissioning Commissioning only with closed lid Exception Units with protection method In...

Страница 20: ...tective Conductor Terminal VN 5000 6000 Standard and d housing Connection is done directly on the Electronic module Ground Terminal on the electronic module is connected internally to the housing not all versions Protective Conductor Terminal Connecting terminals de housing Connection via the terminals inside the increased safety area Protective Conductor Terminal Connection terminals Connection V...

Страница 21: ...6 V DC 10 2 W Signal output Floating relay DPDT VN 1000 2000 AC max 253 V 4 A 500 VA at cos Phi 1 DC max 253 V 4 A 60 W VN 5000 6000 AC max 250 V 8 A non inductive DC max 30 V 5 A non inductive Fuse on signal output max 10 A slow or fast HBC 250 V Version with intrinsic safe connection between electronic module and vibration fork see pos 4 in the selection list 3 wire PNP Power supply 18 50 V DC 1...

Страница 22: ...V DC intrinsic safe spec IEC 60947 5 6 1 mA or 2 2 mA spec IEC 60947 5 6 8 16mA or 4 20mA Power supply Non intrinsic safe version 12 5 36 V DC 0 Intrinsic safe version 12 5 30 V DC 0 Signal output Setting 8 16 mA 8 mA or 16 mA Setting 4 20 mA Output current depends on the vibration amplitude of the fork 6mA for dampened vibration and 20 mA for full vibration 8 16mA Power supply 12 5 36 V DC 0 Sign...

Страница 23: ...to Fail Safe High or Falling Characteristic Power failure or line break is regarded as full signal protection against overcharging If the sensor is used to indicate empty load set to Fail Safe Low or Rising Characteristic Power failure or line break is regarded as empty signal protection against running dry LED Signal output Setting FSL FSH or Characteristic Signal output Setting Relay SPDT Relay ...

Страница 24: ...n has no effect Weak vibration Diagnosis LED Diagnosis The quality of the measurement is related to the vibration amplitude of the sensor and can be evaluated by the internal LED Diagnostics as follows Safe measurement clean fork LED is off The vibration amplitude is strong There is enough safety to the switching point Weak vibration amplitude LED is blinking The sensor is still working but it can...

Страница 25: ...d the sensitivity setting should be changed from High sensitivity to Low sensitivity if material density is not too low and the fork should be cleaned from material Remark By shifting the setting to Low sensitivity the internal amplification of the vibration signal in the electronic is increased This allows more build up of material Fork fully covered The sensor is fully covered with material The ...

Страница 26: ... and from 8 mA to 6 mA happens so that the external power supply does not indicate weak vibration when the vibration is stopped and is started during normal safe measurement operation Example of evaluating the diagnosis of weak vibration amplitude Connection of an external Limit Value Monitor with 4 20 mA input and two relay outputs Fitting units can be ordered as accessories see price list Relay ...

Страница 27: ... 12 12 5 mA and 7 8 mA The recommended range indicate a weak vibration This is also the range where the internal LED Diagnosis starts blinking to indicate a weak vibration Depending on the application this value can be changed in the PLC The evaluation in the PLC should be done so that a window between 12 12 5 mA and 7 8 mA is set The reaction to indicate weak vibration should be delayed for appro...

Страница 28: ...ds in water setting A is recommended or to take the electronic with potentiometer Option interface measurement Sensitivity adjustable with potentiometer Turn to Min Vibrating fork gets less sensitive Turn to Max Vibrating fork gets more sensitive Sensitivity setting A Low sensitivity B High sensitivity VN 1000 5000 150 g l 9 lb ft3 50 g l 3 lb ft3 VN 2000 6000 75 g l 4 5 lb ft3 20 g l 1 2 lb ft3 V...

Страница 29: ...ing is required by the application following must be observed Cleaning agent must comply with the materials of the unit chemical resistance Mainly the lid sealing cable gland and the surface of the unit must be considered The cleaning process must be done in a way that The cleaning agent cannot enter into the unit through the lid sealing or cable gland No mechanical damage of the lid sealing cable...

Страница 30: ... is generally limited to atmospheric pressure see ATEX directive 2014_34_EU Chapter 1 Art 2 4 Atmospheric pressure is defined as absolute pressure 0 8bar to 1 1bar see ATEX guideline 50 and IEC 60079 0 chapter 1 Scope The technical background is that an explosive atmosphere which is compressed overpressure or released underpressure can exhibit different explosion behaviour than under atmospheric c...

Страница 31: ...16 mA or 4 20 mA non intrinsic safe NAMUR IEC 60947 5 6 intrinsic safe 8 16 mA or 4 20 mA intrinsic safe VN 040 and VN 050 When mounting the units in a partition wall that separates Zone 0 from Zone 1 The units have no safe separation between Zone 0 and Zone 1 It must be considered that gas can pass from Zone 0 through the unit to Zone 1 EPL IEC Ex Gb Db Category ATEX 2G 2D Zone 1 21 EPL IEC Ex Gb...

Страница 32: ...rature Max surface temperature Temperature class Division System Temperature class Zone System 60 C 140 F 80 C 176 F 120 C 248 F T4A T4 90 C 194 F 120 C 248 F T4A T4 100 C 212 F 120 C 248 F T4A T4 110 C 230 F 120 C 248 F T4A T4 120 C 248 F 120 C 248 F T4A T4 130 C 266 F 130 C 266 F T4 T4 140 C 284 F 140 C 284 F T3C T3 150 C 302 F 150 C 302 F T3C T3 Versions with non intrinsic safe electronic modul...

Страница 33: ...sealing rings Thread testing Each thread must be tested with no go ring gauge according to standard DIN ISO 228 1 G1 G version or ANSI B 1 20 1 NPT 1 NPT version Version with G1 DIN ISO 228 1 thread selection price list pos 5 A L M Version with 1 ANSI B 1 20 1 NPT thread selection price list pos 5 B S T U Thread 1 NPT ANSI B 1 20 1 Effective thread length 17 3 2 mm 0 68 0 08 dimension L2 according...

Страница 34: ...g torque 50 Nm Use a 36 mm 1 42 open end wrench to attach the fork piece do not use the forks G version Tighten the 2 fixing screws Requirements for sealing There must be tight connections at both ends of the extension tube IP67 or NEMA 4 G version An O ring is required at both ends to ensure proper sealing and must not be damaged Only original O rings from the manufacturer are allowed to be used ...

Страница 35: ...l parts keep wire short or isolate with a hose Connect the earth cable from the vibrating fork to the housing see figure at the bottom of this page 4 Fixing the electronic module Insert electronic module into housing The terminal connection piece is used to guide the cables Fold connection cables as shown Use cylinder head screws to fix the electronic module Connect the earth cable from the electr...

Страница 36: ... 1 42 open end wrench do not turn the oscillating rods G version Tighten the Fixing screw Requirements for sealing There must be a seal connection between the 1 tube and the screwed piece and the oscillating piece IP67 or NEMA 4 G version An O ring is required at both ends to ensure proper sealing and must not be damaged Only original O rings from the manufacturer are allowed to be used NPT versio...

Страница 37: ...hrink hose over the small shrink hosesand shrink with a hot air blower 4 Mounting of the extension tube to housing side Push the cables carefully into the extension tube Screw the 1 Extension tube into the screwed piece Use a 36 mm 1 42 open end wrench do not turn the oscillating rods G version Tighten the fixing screw Sealing see 1 2 1 green yellow 2 black 3 shield M 4 red R 5 white R Small shrin...

Страница 38: ...piece side For reassembling observe following items After cutting the cable use the factory provided cable situation as a sample Connect the outer shield of the connection cable to the cable gland Obtain right connecting sequence on the plug see drawing Cut present cables which are not required Isolate the inner shield with an isolation hose to avoid that it may touch any other metal parts Fix the...

Страница 39: ...llating piece side For reassembling observe following items After cutting the cable use the factory provided cable situation as a sample Connect the outer shield of the connection cable to the cable gland Obtain right connecting sequence on the plug see drawing Cut present cables which are not required Isolate the inner shield with an isolation hose to avoid that it may touch any other metal parts...

Страница 40: ...n manual page Disposal The product consists of materials which can be recycled details of the used materials see chapter Technical data mechanical data Recycling must be done by a specialised recycling company Vibranivo 1 2 3 4 5 6 7 8 9 10 11 12 VN 1000 2000 5000 6000 g gi180713 40 ...

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