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UWT RFnivo RF 8000 Series Technical Information/Instruction Manual

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Introducion
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Subject to technical change.
All dimensions in mm (inch).
RF 8000
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Level limit switch
Series RF 8000
Technical Information / Instruction manual
Applications / Function / Features
Profibus System Implementation
Electrical data
We assume no liability for typing errors.
Different variations than specified are possible.
Please contact our technical consultants.
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Summary of Contents for UWT RFnivo RF 8000 Series

  • Page 1: Table Of Contents

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Table of contents Page Safety Notes / Technical support ----------------------------------------------------------------------------------------------------- Introducion Applications / Function / Features Profibus System Implementation ----------------------------------------------------------------------------------------------------- Technical data Dimensions Electrical data Mechanical data Operating conditions Approvals ----------------------------------------------------------------------------------------------------- Mounting...

  • Page 2: Safety Notes / Technical Support

    Installation, maintenance and commissioning may be accomplished only by qualified technical personnel. • The product must be used only in the manner outlined in this instruction manual. • This product is intended for use in industrial areas. Operation of this equipment in a residential area may cause interference to several frequency based communications. Special attention must be paid to warnings and notes as follows: WARNING Relates to a caution symbol on the product: A failure to observe the necessary precautions can result in death, serious injury and/or considerable material damage. WARNING Relates to a caution symbol on the product: Risk of electric shock WARNING 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 CAUTION damage. Safety symbols In manual and on Description product CAUTION: refer to accompanying documents (manual) for details. Earth (ground) Terminal Protective Conductor Terminal Technical support Please contact your local supplier (for address see www.uwt.de). Otherwise you can contact: UWT GmbH Tel.: 0049 (0)831 57123-0 Westendstr. 5 Fax: 0049 (0)831 76879 D-87488 Betzigau info@uwt.de www.uwt.de page RF 8000 gi150917...
  • Page 3 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Introduction Applications RF 8000 is designed for level detection and simple pump control in a variety of applications: • Liquids, solids (powder and granules), slurries, interface detection (for example, oil/ water), and foam detection • Foods and pharmaceuticals • Chemical and petrochemical • High pressure and temperature Function RF 8000 is a versatile capacitance switch, ideal for level detection of interfaces, solids, liquids, slurries, and foam, and for simple pump control. The switch responds to the presence of any material with a relative dielectric constant of 1.5 or more by detecting a change in capacitance, which is registered as a change in oscillating frequency. The switch can be set to detect before contact or on contact with the probe. The RF 8000 requires a connection to earth/ground for effective capacitance measurement. The power supply is galvanically isolated. The materials used in the probe construction provide a high level of chemical resistance, and an excellent temperature rating on the process wetted portion of the probe: up to 400 °C (752 °F). RF 8000 is available in two models: the standard model, and the digital model with integral local display. Features • Potted construction protects components from shock, vibration, humidity, and/or condensation • High chemical resistance on probes • Freely programmable set up covers wide range of applications/materials • Integrated Local User Interface (LUI) for ease of use • Rod and rope versions available • Active Shield minimizes the effect of product build-up at the sensor mounting point • Communication via PROFIBUS PA (profile version 3.0, Class B) • Intrinsically Safe (IS) transmitter design for hazardous areas (requires external barrier or IS power supply) RF 8000 page gi150917...
  • Page 4 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Introduction Profibus PA - System Implementation RF 8000 supports PROFIBUS communication protocol, and SIMATIC PDM software. Basic PLC configuration with PROFIBUS PA active PLC PC/ laptop PROFIBUS DP DP/ PA coupler PROFIBUS PA RF 8000 (PROFIBUS PA) RF 8000 RF 8000 (PROFIBUS PA) (PROFIBUS PA) Programming RF 8000 carries out its level measurement function according to the set of built-in parameters. You can make parameter changes locally via the local user interface, or from a remote location via a PC using SIMATIC PDM software. RF 8000 Digital can be used either: • as a standalone unit, programmed locally using the local user interface, or • installed as part of a network, programmed remotely using SIMATIC PDM on Profibus PA network (or locally...

  • Page 5: Dimensions

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Dimensions Enclosure Top view M20x1.5 cable gland NPT 1/2" conduit Threaded process connection Temperatur extended shaft: RF 8100 optional RF 8200 standard Flanged process connection Temperatur extended shaft: RF 8100 optional RF 8200 standard RF 8000 page gi150917...

  • Page 6: Technical Data

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Dimensions RF 8100 Rod version RF 8200 Rod version (high temperature) Threaded process connection Flanged process connection 20 mm (0,79") Detail "A" L does not include any raised face (see page 8) ø 19mm (0,75") For RF8100 coated with PFA For RF8100 coated with PFA Standard 125mm (4.92") Standard 105 mm (4.13") Optional 250 mm (9.84") or Optional 230 mm (9,06") or 400 mm (15.75")
  • Page 7 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Dimensions RF 8100 Rope version Threaded process connection Flanged process connection 20 mm (0,79") Detail "A" Rope: ø6mm (0.24") For RF8100 with optional PFA coating: ø10mm (0.36") L does not include any raised face (see page 8) ø 32mm (1.26") Coated with PFA Coated with PFA Standard 105 mm (4.13") Standard 125mm (4.92")
  • Page 8 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Dimensions Flanges Number Code Type thickness of holes mm (inch) mm (inch) mm (inch) mm (inch) 1" 150 lbs 15.9 (0.63) 79.3 (3.12) 108.0 (4.25) 14.3 (0.56) 1" 300 lbs 19.1 (0.75) 88.9 (3.5) 123.8 (4.87) 17.5 (0.69) 1" 600 lbs 19.1 (0.75) 88.9 (3.5) 123.8 (4.87) 17.5 (0.69)

  • Page 9: User Interface

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Electrical data Electronic module: Standard ( Relay SPDT / Solid State) Power Supply 12 to 250 V AC/DC (0 to 60 Hz) Power consumption 2 W max. Performance Repeatability ±1% of measurement User Interface Configuration Locally, using dip switches and potentiometers Local display 3 LED indicators Output Relay contact and solid-state switch Polarity-independent Failsafe Relay and solid-state switch can be de-energized in the absence of a sensor signal...

  • Page 10: Alarm Output

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Electrical data User Interface Configuration Locally, using local user interface (LUI), for standalone operation, or Remotely, using SIMATIC PDM on a Profibus PA network Local Digital Display Output (bus) PROFIBUS PA (IEC 61158 CPF3 CP3/2) Bus physical layer: IEC 61158-2 MBP(-IS) Polarity-independent Simultaneous communication with 4 (max.) Master Class 2 Cyclic User data (normal operation) Byte output 2 bytes representing one value Byte input...

  • Page 11: Mechanical Data

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Mechanical data Probe Model Length Process Tensile Wetted Parts (max) Connections (max) 1,000 mm/ • Threaded: • 1.4404 (316L) (19 mm/ 40" ¾" 1" 1 1/2" BSPT (R), BSPP (G) • FKM seals (optional FFKM) 0.75" dia.) ¾" 1" 1 ¼" 1 1/2" NPT •...

  • Page 12: Operating Conditions

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Operating conditions Environmental Location Indoor/outdoor Altitude 2,000 m (6,562 ft.) max. Ambient temperature –40 to 85°C (–40 to 185°F) With ATEX approval: –40 to 80°C (–40 to 176°F) with Flameproof or Dust Ignition Proof –40 to 60°C (–40 to 140°F) with Intrinsically safe The max. resutling temperature close to the enclosure (see dottet line) resulting from the temperature increase from process side must be limited by installation to: 80°C (176°F) with Flameproof or Dust Ignition Proof 60°C (140°F) with Intrinsically safe temperature extended shaft process side LUI (local user interface) –30 to 85°C (–22 to 185°F) Storage temperature –40 to 85°C (–40 to 185°F) Relative humidity Suitable for outdoor (Type 4 / NEMA 4 / IP68)
  • Page 13 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Operating conditions Pressure versus Temperature Curves Extended rod and rope versions, threaded Example: Permitted operating pressure = 30 bar (435 psi) at 75°C P= permitted operating pressure T= permitted operating temperature atmosheric High temperature rod version, threaded P= permitted operating pressure T= permitted operating temperature atmosheric RF 8000 page gi150917...
  • Page 14 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Operating conditions Extended rod and rope versions, ASME welded flange P= permitted operating pressure T= permitted operating temperature atmosheric High temperature rod version, ASME welded flange P= permitted operating pressure T= permitted operating temperature atmosheric 1) The curve denote the minimum allowable flange class for the shaded area below. page RF 8000 gi150917...
  • Page 15 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Operating conditions Extended rod and rope versions, EN welded flange P= permitted operating pressure T= permitted operating temperature atmosheric High temperature rod version, EN welded flange P= permitted operating pressure T= permitted operating temperature atmosheric 1) The curve denote the minimum allowable flange class for the shaded area below. RF 8000 page gi150917...

  • Page 16: Approvals

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Approvals Electronic module: Standard (Relay SPDT / Solid State) General Purpose CE, CSA, FM, TR-CU Dust Ignition Proof ATEX II 1/2 D CSA/FM Class II, Div. 1, Gr. E, F, G Class III TR-CU INMETRO Flame Proof / Explosion Proof ATEX II 1/2 G Ex d[ia] IIC CSA/FM Class I, Div. 1, Gr. A, B, C, D TR-CU INMETRO Marine Lloyds Register of Shipping, Categories ENV1, ENV2 and ENV5 Overfill Protection Electronic module: Digital (Profibus PA / Solid State) General Purpose...

  • Page 17: Mounting

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Mounting General Safety Instructions • Installation shall only be performed by qualified personnel and in accordance with local governing regulations. • This product is susceptible to electrostatic shock. Follow proper grounding procedures. • The housing may only be opened for maintenance, local operation, or electrical installation. • Before installing the instrument, verify that the environment complies with any restrictions specified on the product nameplate. • To comply with CE EMC regulations, where applicable, the RF 8000 should be installed in accordance with the testing details on page 16. Additional Safety Instructions for Hazardous Locations see page 31ff Location Recommended: • Provide a sun shield to protect the transmitter from direct heat radiation. Precautions: • Avoid mounting RF 8000 in locations subject to strong vibrations in the vicinity, whenever possible. • Do not exceed the permissible ambient temperature limits (see Environmental on page 12 for details). Mounting RF 8000 typical configuration: High level alarm Low level alarm...
  • Page 18 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Mounting Mounting Restrictions • Keep the sensor at least 50 mm (2") away from any nozzle or tank wall. • If multiple units are used, allow at least 500 mm (20") between them, to prevent interference. Multiple Units: Side View End View 500 mm (20") 500 mm (20") 500 mm (20") Sensors must be 500 mm (20") apart. Mount diagonally if space is restricted. Wall Restriction: 50 mm 50 mm (2") min (2") min page RF 8000 gi150917...
  • Page 19 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Mounting Process Cautions for solids In Hazardous Locations: Observe Specifc condition of use for electrostatic charge (see page 33) • The maximum allowable torque on a horizontally installed rod is 15 Nm. • Keep unit out of path of falling material, or protect probe from falling material.

  • Page 20: Electrical Installation

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Electrical installation General Safety Instructions Electronic module: Standard ( Relay SPDT / Solid State) WARNING • All field wiring must have insulation suitable for at least 250 V. • Only qualified personnel are authorized to install and operate this equipment in accordance with established safety practices and standards. • The Protective Earth Terminal indicated by must be connected to reliable ground. In case of non-metallic vessels, the external earth wire should be connected to an earthed component which is earthed near the vessel. • All wiring must be done by qualified personnel in accordance with all governing regulations. • The equipment must be protected by a 15A fuse or circuit breaker in the building installation. • A circuit breaker or switch in the building installation, marked as a disconnect switch, shall be in close proximity to the equipment and within easy reach of the operator. • Use shielded cable, wire gauge 20 AWG to 14 AWG (0.5 mm to 2.0 mm ). For CE installations use a cable with a braided metallic shield (or armoured cable where applicable). • Maximum working voltage between adjacent relay contacts is 250 V. • Relay contact terminals are for use with equipment which has no accessible live parts and wiring which has insulation suitable for at least 250 V. Electronic module: Digital (Profibus PA / Solid State) WARNING • Observe the specifications of the examination certificate valid in your country.
  • Page 21 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Electrical installation Electronic module: Standard (Relay SPDT / Solid State) Power supply: 12 to 250 V AC/DC (0 to 60 Hz) internal 2W max. internal wiring wiring Signal output: Power Relay: supply Floating relay SPDT AC max. 250V, 8A, 2000VA, non inductive DC max. 30V, 5A, 150W, non inductive Relay Solid state switch: 30 V DC or 30 V AC (peak), 82 mA Observe protection (see below) Solid state switch (polarity not important) 1. Loosen the lid clip and remove the lid to access the connectors and electronics.
  • Page 22 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Electrical installation Electronic module: Digital (Profibus PA / Solid State) Power supply: 12 .. 30 V DC, 12.5 mA Intrinsically Safe: blue internal 12 .. 24 V DC, 12.5 mA wiring blue Intrinsically safe barrier required For ATEX: U =24 V, I =380 mA, P =5.32 W, C =5 nF, L =10 uH internal black wiring For FM/ CSA: See "Connection drawing on page 23" Solid state switch white (polarity not important) Signal output: Solid state switch: Power supply...
  • Page 23 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Electrical installation FM/CSA approval Connection drawing RF 8000 page gi150917...

  • Page 24: Operation - Electronic Module: Standard

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Operation - Electronic module: Standard Settings S1: Delay (covered to uncovered) S2: Delay (uncovered to covered) S3: Failsafe High/Low S4: Test switch point DIP switches S5: Sensitivity High/Low delay yellow green DIP switches LEDs L1: Sensor status (yellow) ON if sensor is detected as covered (capacitance on sensor is greater than setted switch point) L2: Signal output (red) ON if Relay is activated / Solid state switch is closed. L3: Power supply (green) ON if power is present S1 / S2: Signal output delay Use the delay function to slow the signal output response, and compensate for turbulence or false readings.
  • Page 25 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Operation - Electronic module: Standard S4: Test Allows to test the setted signal output delay time without the need to change the sensor from covered to uncovered or from uncovered to covered. Normal operation* Test mode If sensor is uncovered: Setting S4 to Test mode simulates a covered probe. After the setted delay time "Sensor uncovered to covered" (see DIP switch S2) has passed, the signal output and LED2 (red) are switching. If sensor is covered: Setting S4 to Test mode simulates a uncovered probe. After the setted delay time "Sensor covered to uncovered" (see DIP switch S1) has passed, the signal output and LED2 (red) are switching. *Factory setting S5: Sensitivity setting Low This setting is prefered for measuring conductive liquids, or viscous conductive solids...
  • Page 26 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Operation - Electronic module: Standard Switchpoint Adjustment Select the switchpoint adjustment according to the application as follows: Application Material Adjustment conditions General • Dry solids Sensor uncovered • Low viscosity liquids Demanding • Hygroscopic / wet solids Sensor immersed and then uncovered, retaining • High viscosity and high conductivity liquids max. possible material buildup Interface • Ignoring liquid A / detecting liquid B Immerse sensor in liquid A or foam detection • Ignoring foam / detecting liquid General applications...
  • Page 27 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Operation - Electronic module: Standard Demanding applications 1. Ensure material level is In case of top mounting with rope extension well above the probe. the vessel should be filled up. 2. Turn poti P2 to most Turn P2 fully counter clockwise sensitve position 3. Set sensitivity low or high yellow Set dip switch S5 to low sensitivity.
  • Page 28 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Operation - Electronic module: Standard Interface detection 1. Immerse probe in liquid A Ensure that liquid A or foam (which should see note below for top mounted or in foam which should NOT be detected) is covering the probe. sensors * NOT be detected Liquid A or foam must have a lower dielectric constant than liquid B, which should Liquid A be detected.

  • Page 29: Troubleshooting

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Operation - Electronic module: Standard Troubleshooting Symptom Observation Action No Alarm Response L3 (green) off. Check power supply voltage. Alarm doesn't L1 (yellow) doesn't respond Check sensitivity switch S5. Readjust trip point switch when sensor when sensor is uncovered. potentiometer P2. is uncovered. L1 (yellow) responds when Check that relay changes state when S3 is toggled sensor is uncovered. ON and OFF. Alarm doesn't L1 (yellow) doesn't respond Check sensitivity switch S5. Readjust trip point switch on when when sensor is covered.

  • Page 30: Operation - Electronic Module: Digital

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Operation - Electronic module: Digital See separate "Operating Manual (Digital Electronic)" page RF 8000 gi150917...

  • Page 31: Notes For Use In Hazardous Locations

    General notes Refer to appropriate certificate for application in specific hazardous environment. The equipment has not been assessed as a safety related device (as referred to by Directive 2014_34_EU Annex II, clause 1.5). The certificate numbers have an 'X' suffix, which indicates that specific condition of use apply. Those installing or inspecting this equipment must have access to the certificates. Qualification of personnel / Servicing / Repair Installation and inspection of this equipment shall be carried out by suitably trained personnel in accordance with the applicable code of practice (ABNT NBR IEC/EN 60079-14 and ABNT/NBR IEC/EN 60079-17 in Europe). Repair of this equipment shall be carried out by suitably trained personnel in accordance with the applicable code of practice (e.g. ABNT NBR IEC/EN 60079-19 within Europe). Repair of flameproof path is not intended. Components to be incorporated into or used as replacements in the equipment shall be fitted by suitably trained personnel in accordance with the manufacturer's documentation. In potentially explosive atmospheres open the enclosure only when RF 8000 is not energized. Turn off power before servicing any device (the transmitter is in operation when the power supply is switched on). In case of removing the unit from vessel, take care of process pressure and material passing the opening. ATEX: Certificates / List of Standards See www.uwt.de for the latest certificates See EU - Declaration of conformity for the list of standards valid for ATEX certificates ATEX: Year of manufacturing Marking on the name plate is done according to IEC 60062 as follows: Year of manufacturing 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 Marking code RF 8000 page gi150917...
  • Page 32 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Notes for use in Hazardous Locations ATEX: Ex-Marking • Devices with ATEX approval are marked on the name plate as follows. • If both Flameproof and Dust ignition proof are present on the same nameplate, a tick box is present where the end user needs to select (mark) the protection method used at the time of installation. • For Dust Ignition Proof: symbol refers to the Max. Surface Temperature (see page 34). Dust Ignition Proof (Typecode Pos.2 W) II 1/2 D Ex ia/tb IIIC T Da/Db Flameproof / Dust Ignition Proof (Typecode Pos.2 T) II 1/2 G Ex db [ia] IIC T6...T1 Ga/Gb II 1/2 D Ex ia/tb IIIC T Da/Db Intrinsically Safe (Typecode Pos.2 Y) II 1 G Ex ia IIC T6...T1 Ga II 1/2 D Ex ia IIIC T...
  • Page 33 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Notes for use in Hazardous Locations Specific condition of use Electrostatic Parts of the enclosure and of the probe are non-conducting and may generate an ignition-capable charge level of electrostatic charge under certain extreme conditions. The user should ensure that the equipment is not installed in a location where it may be subjected to external conditions which might cause a build up of electrostatic charge on non-conducting surfaces. Special obervations on Process side (probe): Special observation must be done if powder touches the probe during filling and during whirling. Special obervations on Enclosure side: Because the enclosure of the equipment is made of aluminium alloy, the apparatus must be installed so, that even in the event of rare incidents, an ignition source due to impact or friction between the enclosure and iron/steel is excluded, when used in a potentially explosive atmosphere requiring apparatus of equipment category 1 G. Cleaning of the equipment should be done only with a damp cloth. Cable entry For use in potentially explosive atmospheres of flammable gases, fluids or vapours (Flameproof): device / closing The cable entry devices and the closing elements of unused apertures shall be of a certified element flameproof type, suitable for the conditions of use and correctly installed.
  • Page 34 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Notes for use in Hazardous Locations Max. Surface Temperature and Temperature Class ATEX: Electronic module: Standard Ambient Process Max. Surface Temperature temperature range temperature range temperature class ambient side EPL Da or Db EPL Ga or Gb -40 to +70°C -40 to +80°C (-40 to +158°F) (-40 to +176°F) -40 to +80°C -40 to +100°C (-40 to +176°F) (-40 to +212°F) (1) -40 to +80°C -40 to +135°C...
  • Page 35 RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Notes for use in Hazardous Locations FM / CSA: Explosion proof / Dust ignition proof: Ambient Temperature temperature range class -40 to +85°C (-40 to +185°F) Intrinsically safe: Installation shall be done according to "FM/CSA Approval - Connection drawing" on page 23 Ambient Temperature temperature range class -40 to +40°C (-40 to +40°F)

  • Page 36: Probe Modifications

    RFnivo ® Level limit switch Series RF 8000 Technical Information / Instruction manual Probe modifications Shortening the rope (rope version) CAUTION: When shortening a PFA rope, be sure to take extra care not to damage the PFA coating. Methods An angle grinder (preferably with a disc suitable for stainless steel) or Wire cutters (suitable for piano rope Ø 6 to 9 mm). Procedure 1. Loosen the three set screws and pull weight from the rope. 2. Grind/cut the rope to the required length, and then remove rough edges from the rope. 3. Ensure that rope strands are properly seated in the lay of the rope (i.e. no wire strands sticking outside the normal rope profile). Make sure ALL strands are properly seated before continuing the assembly. 4. Push the weight onto the rope while simultaneously rotating it counter-clockwise around the rope. Make sure that no rope strands are pushed out of their position in the rope and that the rope is fully inserted. 5. Re-fasten the weight by tightening the three set screws. rope weight Shortening the rod (rod version) Cut the rod with an angle grinder (preferably with a disc suitable for stainless steel) cut rod inside this area do not cut inside this area Change rod to rope or rope to rod Unscrew the probe at the dotted line and replace by a different probe.

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