NIVOSWITCH R-400/R-500

Transcription

1 NIVOSWITCH R400/R500 VIBRATION FORK LEVEL SWITCHES Dual purpose level switch with intelligent electronics applicable for: almost all liquids light, free flowing solids cellent noise immunity through high frequency excitation Various output versions: wire AC, wire DC 3wire PNP/NPN transistor up to SPDT power relays Polished probe as standard CENELEC E ia approved versions ECTFE (HALAR ) coated flanged versions and hygienic connections ABOUT THE NIVOSWITCH Nivelco has revamped the popular NIVOSWITCH range of Vibrating Forks for an even higher performance and for a greater flexibility of use. The reengineered extreme short fork section enables applications in tight spaces and also on pipes. The 6 times increased excitation frequency will ensure interferencefree operation if used on vibrating structures. Media: The NIVOSWITCH can be used in almost all media like explosive and nonexplosive liquids, aggressive liquids (acids, solvents), high viscosity liquids; unaffected by foam, turbulence, gas content. It can also be used on light and medium density free flowing granules and powders. Application: The NIVOSWITCH covers a large variety of level detection applications and more..: high/low fail safe limit switch, overfill or dry run protection, pump controls, dry/wet indication in pipes. Highlights of the NIVOSWITCH: Fit and forget device: simple installation no maintenance. Switching performance does not depend on the change of liquid conductivity, dielectric constant, viscosity, pressure and temperature. Probe extension up to 3 m length. Flange or sliding sleeve options. ECTFE (HALAR ) coated versions for aggressive or sticky media. Hygienic versions with various process connections and 0.5 micron fine polishing. High or low failsafe mode, as well as the medium density is field programmable on most models. Operation test of installed units can be performed with the help of a test magnet on some of the models.

2 GENERAL The NIVOSWITCH is offered in the following versions: NIVOSWITCH RF400 or RF500 is the Standard version with paint coated, robust Aluminium or plastic housing; visible, large bicolour output state indication LED; or power relay output and universal AC/DC power supply. PRODUCT OVERVIEW NIVOSWITCH RC400 is the Mini version incorporating a stainless steel tube housing, visible bicolour output state indication LED, and wire AC, wire DC or 3wire PNP/NPN transistor output. NIVOSWITCH JDT3 the CENELEC approved wire RC400 vibration forks requires an intrinsically safe remote switching unit containing the intrinsically safe barrier and a potential free output. The NIVOSWITCH is made to vibrate at its resonant frequency by a pair of piezoceramic discs. By coming in contact with the medium, the frequency and amplitude of the vibration changes. This change is detected, processed and converted into a switch signal by the integral electronics built in SM (Surface Mount) technology. As a standard feature, all forks are polished. A highly polished version for hygienic applications are available with all wetted parts highly polished. STANDARD models Aluminium or Plastic MINI models Stainless steel Housing / Electronics Potential free relay output (SPDT or DPDT) Universal power supply Connector output 3wire PNP/NPN transistor output wire AC output Integrated cable output wire DC output wire (intrinsically safe) Process connections Stainless steel " BSP or NPT male threads DIN, ANSI and JIS flanges Stainless steel, PP or ECTFE (HALAR ) coated st. st. DN 40 and DN 50 pipethread connections (DIN 85) /" and " Triclamp connections (ISO 85) other hygienic fittings tension up to 3 m Stainless steel or PFA coated st. st. Fork Stainless steel ECTFE (HALAR ) coated st. st. Protrusion length without extension: mm Accessories Stainless steel weldin socket with Oring for flush mounting Stainless steel sliding sleeve for atmospheric pressure Order code: RPG0 Order codes: RPH RPN / BSP / NPT!

3 APPLICATION AND INSTALLATION Application on liquids In applications on liquids with low viscosity (without risk of remaining material on the forktines) any of the mounting shown beside is possible, high viscosity (due to risk of remaining material on the forktines) only vertical (top) mounting can be suggested. In applications with side mounting take care of the positioning mark. Use always HIGH density setting (ρ 0.7 kg/dm 3 ) for application on liquids! Installation on liquids Application on free flowing solids Use only on free flowing materials stored in small vessels, hoppers. Side mounting is recommended only in case the forktines are easily freed from the process medium (ex.: through gravity). In case of side mounting, the NIVOSWITCH must be mounted with the forktines standing vertically (look for the positioning marks). Applying the wire AC output versions for solids should be carried out with considerations. The short versions (protrusion length: mm) are not applicable for solids! Installation on free flowing solids Protect the probe from down falling material! Fork tines should not be exposed to mechanical load. Adjust the Density switch according to table below: X > 5 mm Density setting Density HIGH ρ 0.5 kg/dm 3 LOW ρ < 0.5 kg/dm 3 Do not adjust a lower density than necessary, as this may result in the probe switching even if slight residues of material adhering to it. For dry/wet detection, forktines must be parallel to the direction of flow Avoid above mountings on highly viscose liquids and powders POSITIONING AND SWITCHING POINT For positioning the forktines, use the marking on the hexagon neck. MARK Values are for water at 5 C Use a TEFLON (PTFE) tape to aid the positioning of the forktines. If the forktine position is irrelevant, use the sealing ring provided. Liquids: switching point as well as the switch differential slightly depends on liquid density and mounting position. Solids: switching point as well as the switch differential slightly depends on material quality and mounting position. 3!

4 ELECTRICAL CONNECTIONS MINI models in stainless steel housing! 3wire DC versions with PNP/NPN transistor output, to drive relays, PLCs Connector output version R " " 4 " " 3 Integral cable output version R " " 4 " " 4 Top view with removed connector: PNP mode HIGH density (Liquids: ρ 0.7 kg/dm 3 ; Solids: ρ 0.5 kg/dm 3 ) All models expect the SHORTY "M" Operation mode H= High level limit switch L= Low level limit switch 3 LED "D" Density H= High L= Low M L H L H D LOW level limit switch HIGH level limit switch The SHORTY models for liquids only LED "M" Operation mode H= High level limit switch 3 L= Low level limit switch M H L PNP mode LOW density (Solids: ρ < 0.5 kg/dm 3 ) NPN Density setting LOW level limit switch HIGH level limit switch HIGH density Liquids: ρ 0.7 kg/dm 3 ; Solids: ρ 0.5 kg/dm 3 mode LOW density Solids: ρ < 0.5 kg/dm 3 HIGH density (Liquids: ρ 0.7 kg/dm 3 ; Solids: ρ 0.5 kg/dm 3 ) PNPwiring LOW level limit switch HIGH level limit switch NPN mode LOW density (Solids: ρ < 0.5 kg/dm 3 ) NPNwiring LOW level limit switch HIGH level limit switch! wire AC versions, to drive relays, PLCs Do not power up wire AC devices without a load connected in series with the unit and without grounding it! Connector output version R " " 4 " " Integral cable output version R " " 4 " " 3 R N 3 R L N black green/yellow R black green/yellow R L Junction box Junction box LOW level limit switch HIGH level limit switch LOW level limit switch HIGH level limit switch Please note the wire AC versions can not be programmed for medium density. The units are manufactured with fixed HIGH Density setting. 4!

5 ! wire DC versions, to drive controllers with current sensitive input Twowire loop powered devices, operate according to the DC diagram beside. Operating diagram Status LED Fork Output Please note, that the wire DC versions can not be programmed for HIGH or LOW FAILSAFE on the device itself. Immersed RED 4 ± ma Free GREEN 9 ± ma Connector output version R " " 4 " " 6 Integral cable output version R " " 4 " " 7 Amplifier unit Amplifier unit HIGH density (ρ 0,5 kg/dm 3 ) LOW density (ρ < 0,5 kg/dm 3 ) HIGH density(ρ 0,5 kg/dm 3 ) LOW density (ρ < 0,5 kg/dm 3 ) Amplifier unit Amplifier unit! versions An intrinsically safe, CENELEC approved system, consists of the following: Intrinsically safe vibration fork NIVOSWITCH R4008,9 E ia IIC T4... T6 L max=m Q min=4mm Intrinsically safe remote switching unit NIVOSWITCH JDT3 [E ia] IIC Remote switching unit JDT 3 Integral cable version NIVOSWITCH Connector version NIVOSWITCH U S 4 V, DC ± 0% The level limit switch is powered by the remote switching unit JDT3. The remote switching unit receives the switch signal through a current loop. The remote switching unit provides for a potentialfree power relay output. ON 3 4 V DC OUTPUT TERMINALS OUTPUT LED (RED) POWER ON LED (GREEN) ON HIGH LOW SHORT BREAK HI / LO LINEFAIL LED (RED) TO SENSOR High or lowfail safe mode is programmable by switch on the remote switching unit, while switching sensitivity is programmed via changing the polarity of the wire output of the level sensor Temperature classification according to the certificate: Potential balancing cable R< ohm T6 T5 T4 T Ambient [ C] Connector output version R " " 4 " " 8 T Medium [ C] Non JDT3 JDT3 HIGH density Non LOW density Integral cable output version R " " 4 " " 9 Non JDT3 Non JDT3 HIGH density LOW density STANDARD models in Alu cast/plastic housing! Relay output versions R " " 4 " " 0 R " " 5 " " 0 R " " 4 " " A R " " 5 " " A Density Mains FAIL SAFE LO W U ~ HIGH 055V AC DENSITY 060V DC HIGH L LO W 3 FAIL SAFE LOW RED GREEN 50VAC 6A/AC VAC 8A/AC Fail safe mode Output Top view with removed housing cover: Density setting: HIGH density Liquids: ρ 0.7 kg/dm 3 (Solids: ρ 0.5 kg/dm 3 ) LOW density Solids: ρ < 0.5 kg/dm 3 3 L() Status LED NPT /" Grounding Relay Relay Pg 6 Pg 6 NPT /" Use mm outer diameter circular cables, and tighten cable glands as well as housing cover after installation, to ensure an IP 65 protection. 5!

6 TECHNICAL DATA GENERAL SPECIFICATION Model Noncoated ECTFE (HALAR) coated Probe material.457 (X 6 CrNiMoTi 7).4404 (X CrNiMo 73); ECTFE coated Process connection material.457 (X 6 CrNiMoTi 7) Polypropylene flange (max.: 6 bar) ECTFE coated st.st. flange. Probe extension material.457 (X 6 CrNiMoTi 7) PFA coated st.st. Maximum pressure 40 bar, for derating see Derating diagrams below PP flange: 6 bar, St.st. flange: 40 bar, for derating see Derating diagrams Medium temperature range 40 C to 30 C PP flange: 0 C to 90 C ECTFE coated st.st flange: 40 C to 0 C * Ambient temperature range Standard models in Alucast/plastic housing with relay output: 30 C to 70 C; Mini models in stainless steel housing with electronic output: 40 C to 70 C version: 0 C to 60 C Sealing material VITON Probe length to 3000 mm Medium Liquids 0.7 kg/dm 3 density Solids 0.05 kg/dm 3 Liquid viscosity 0000 mm /s (cst) (see Derating diagrams) When immersed 0.5 sec Response sec at high density setting (ρ 0.5 kg/dm 3 ) time When free sec at low density setting (ρ < 0.5 kg/dm 3 ) (see Derating diagrams) Output mode indicator Bicolour Staus LED on outside of housing * Please note, that temperature difference between inner and outer surface of ECTFE coated flanges must not exceed 60 C. If necessary, insulate outer surface of flange. DERATING DIAGRAMS mechanical output related Process pressure (pt) versus medium temperature (TM) for all modells (except ECTFE coated and PP flanged) Current load, versus process (pt) and medium temperature (TM) for transistor output versions t [sec] 35 Temperature limits for wire AC and EX versions Response time The test was performed using silicone oils with different viscosity fully immersed half immersed only the flat part of the tines immersed SPECIFICATIONS Standard Model Process pressure (pt) versus medium temperature (TM) for models with Polypropylene flange Relay output version R " " 4 " " 0 R " " 5 " " A 0 Model Kinematic viscosity Response time (when getting free) versus medium viscosity Remote switching unit (for forks) J D T 3 Housing material Paint coated Aluminium (RF400) Input 9 ± ma to 4 ± ma or plastic (RF500) Max. serial inductivity 5 mh Selection of High/low fail safe By switch Max. parallel capacitance 0.04 µf Density programming By switch High/low mode selection by switch Output Up to SPDT relay Output SPDT relay Output rating Relay : 50 V AC, 8 A, AC AC: 00 VA (50 V or 5 A); Output rating Relay : 50 V AC, 6A, AC DC: 00 W (4 V or 5 A) Electric connections x Pg 6 for 8 to 5 mm cables Supply (wire cross section) (0.75 to.5 mm ) voltage/consumption 4 V DC ± 0 %; max. 00 ma Supply voltage 0 to 55 V AC and 0 to.60 V DC Sensor voltage 6 to 6 V DC Consumption AC:, 7 VA ; DC: < 3 W Electrical protection Class III. Electrical protection Class I. protection mark [E ia] IIC Mechanical protection IP 67 (NEMA 6) Ambient temperature 0 C to 45 C Weight (threaded versions) Alu housing:.3 kg. kg/m Mounting NS 5, 35/75, 35/5, 3 DIN rail Plastic housing: kg/m Housing material PA Enclosure IP 30 Weight 0. kg ν[cst] 6!

7 Mini Models wire AC 3wire DC (PNP/NPN transistor output) R"" 4"" R"" 4"" "" R"" "" 4"" 3 R"" 4"" 4 Electric connections Integral cable Integral cable Connector Connector (wire cross section) (4 x 0.75 mm ) (5 x 0.5 mm ) Mechanical protection IP 65 IP 68 IP 65 IP 68 Selection of High/low fail safe mode Within the connector With wiring By switch With wiring Density programming Liquids: fixed to ρ 0.7 kg/dm 3 Solids: fixed to ρ 0.5 kg/dm 3 By switch With wiring Output wire AC, in serial connection with the load PNP/NPN transistor; field selectable Output protection Reverse polarity, overcurrent and overload protection Supply voltage V AC, 50/60 Hz...55 V DC Consumption Depending on load < 0.6 W Voltage drop (switchedon state) < 0.5 V < 4.5 V Electrical protection Class I. Class III. max. continuos 350 ma AC3 350 ma / 55 V DC Current load min. continuos 0 ma / 55 V AC; 5 ma / 4 V AC max. impulse.5 A / 40 ms Residual current (switched off state) < 6 ma < 00 µa Function test Optional test magnet (Order code: RPS0) Weight (threaded versions) 0.5 kg 0. kg / 00 mm Galvanically isolated PNP/NPN transistor; field selectable Mini Models wire wire DC R"" 4"" 8 R"" 4"" 9 R"" 4"" 6 R"" 4"" 7 Electric connections Integral shielded cable Integral cable Connector Connector (wire cross section) ( x 0.5 mm ) ( x 0.5 mm ) Mechanical protection IP 65 IP 68 IP 65 IP 68 Selection of High/low fail safe mode By switch on the NIVOSWITCH JDT3 At the signal processing end Sensitivity programming With wiring With wiring Output Type wire DC Data When free: 9 ± ma; when immersed: 4 ± ma Transient overvoltage protection Supply voltage Powered by NIVOSWITCH JDT3 5 to 7 V DC Consumption < 0.5 W Electrical protection Class III., Intrinsically safe Class III. rating E ia IIC T4...T6 Intrinsically safe data Umax= 6.5 V DC; Imax= 00 ma; Pmax=.4 W; Leq 0; Ceqmax= 7 nf Weight (threaded versions) 0.5 kg 0. kg / 00 mm R F M P 5 A R C M P 3 R F 4 0 G 4 R T R 3 R D E 4 Type R"D R"E Nom.size DN40 DN50 A RD65x/6 RD78x/6 89 x Pg 6 x NPT / BSP NPT S = see below see below 40 NPT SW = 4 BSP NPT SHORTY 3 BSP DIN DN50 PN6/40 ANSI RF50/300 JIS 0K/40K 50 A SHORTY Triclamp (ISO85) / ; SHORTY 40 A 8 80 R F M P 5 A R M 4 P 4 R C F 4 C 4 JDT x Pg 6 x NPT / BSP NPT 8 S = to 3 m ~ ø40 SW=4 BSP NPT 00 to DIN DN50 PN6/40 ANSI RF50/300 JIS 0K/40K 50 A 7!

8 4alRC45AAyy ORDER CODES NIVOSWITCH "Standard" models in Alucast / plastic housing: NIVOSWITCH R Fork Code Connections Code Housing Code Length Code Output Code ECTFE coated D BSP thread M Alu.cast 4 Short ( mm)* 00 Relay 0 Standard F NPT thread P Plastic 5 Standard (5 mm) 0 Relay A DIN DN50PN40 st.st flange** G 0. to 3 m 0 30 ANSI st.st. flange** B 50A JIS st.st flange** K DIN DN50 PN6 PP flange** F ANSI PP flange** A 50A JIS PP flange** J * The short versions are not applicable for solids ** Flanges are screwin type as standard, please indicate welded flange requirement. NIVOSWITCH "Mini" models in stainless steel tube housing: NIVOSWITCH R 4 Fork Code Connections Code Length Code Output Code ECTFE coated A BSP thread M SHORTY ( mm)* 00 wire AC with connector Standard C NPT thread P Standard (5 mm) 0 wire AC with cable Highly polished G DIN DN50PN40 st.st flange ** G 0. to 3 m 0 30 wire PNP / NPNwith connector 3 ANSI st.st. flange** B wire PNP / NPN with cable 4 50A JIS st.st flange** K wire DC with connector 6 DIN DN50 PN6 PP flange ** F wire DC with cable 7 ANSI PP flange ** A wire with connector 8 50A JIS PP flange ** J wire with cable 9 ½ Triclamp (ISO85) T Triclamp (ISO85) R DN40 Pipe coupling (DIN85) D DN50 Pipe coupling (DIN85) E Technical specification may be changed without notice * The SHORTY models are not applicable for solids. ** Flanged versions as standard come with flanges screwed on the process connection. Intrinsically safe remote switching unit: NIVOSWITCH J D T 3 (W) *** *** Certified version for the use as overfill protection according to WHG NIVELCO PROCESS CONTROL CO. 043 BUDAPEST, DUGONICS U.. PHONE (36) 37575! FAX: (36) sales@nivelco.hu