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UWT GmbH
RFnivo® 8000

RFnivo® 8000

Product catalog summary

Safety Notes / Technical Support
Installation, maintenance, and commissioning of the RF 8000 should be performed by qualified personnel. The product is intended for industrial use and may cause interference in residential areas. Attention is required to prevent electric shock and material damage.

Introduction
The RF 8000 is designed for level detection and pump control in various applications, including liquids, solids, slurries, and foam. It detects changes in capacitance and is available in standard and digital models. Key features include high chemical resistance, an integrated local user interface, and PROFIBUS PA communication.

Technical Data
Dimensions: Specific dimensions are provided for rod and rope versions, with threaded and flanged process connections.
Electrical Data: Supports a power supply of 12 to 250 V AC/DC with a repeatability of ±2 mm for conductive fluids. Includes a local user interface and supports PROFIBUS PA communication.
Mechanical Data: Constructed from powder-coated aluminum with optional stainless steel components, designed for high tensile strength.

Mounting and Installation
Detailed instructions emphasize proper grounding and adherence to safety standards.

Operation
The RF 8000 can be configured locally or remotely, includes alarm signaling for fault detection, and supports standalone and networked operation.

Notes for Hazardous Locations
Designed for use in hazardous areas with appropriate safety barriers and approvals.

Probe Modifications and Disposal
Guidelines for probe modifications and proper disposal are provided.

Specifications

Available in threaded and welded flange versions with various sizes and materials, including ceramic isolators.
Active shield lengths vary with standard and extended options.
Operating conditions include a minimum relative dielectric constant of 1.5, temperature ranges from -40°C to 400°C, and pressure from -1 to 35 bar.

Operating Conditions

Suitable for indoor and outdoor locations, with a maximum altitude of 2,000 meters.
Ambient temperature ranges from -40°C to 85°C, with specific conditions for Ex approval.
Installation categories and pollution degrees are specified for electronic modules.

Pressure vs. Temperature Curves

Detailed curves for extended rod and rope versions indicate permitted operating pressures and temperatures.

Approvals

Includes CE, UKCA, CSA, FM, TR-CU, ATEX, UKEX, INMETRO, and CCC certifications for various safety and explosion-proof standards.
Not subject to the Pressure Equipment Directive as it lacks pressure-bearing housings.

Options

Features like glass windows, LED signal lamps, and various plug types are available, with specific conditions for hazardous locations.

Mounting Instructions

Recommendations for sun shielding and avoiding strong vibrations.
Specific mounting configurations for high and low-level alarms, with spacing requirements to prevent interference.

Electrical Installation

Warnings and guidelines for installations in potentially explosive atmospheres.
Details on power supply requirements, relay and solid-state switch specifications, and grounding procedures.

Safety Instructions

General and additional safety instructions for hazardous locations, emphasizing proper installation and operation by qualified personnel.

Protection of Solid State Switch
Emphasizes the use of Profibus PA standards for wiring. If not used, a shielded cable is recommended for stable measurement.

Power Supply Specifications
Power supply requirements are 12 to 30 V DC with a current of 12.5 mA. For intrinsically safe applications, the voltage range is 12 to 24 V DC. An intrinsically safe barrier is required for various certifications.

Signal Output
The solid state switch can handle 30 V DC or AC (peak) with a current of 82 mA. Intrinsically safe barriers are required for certain certifications.

Connecting the Electronic Module
Instructions for connecting the protective earth wire and using crimp type cable sockets.

Operation - Electronic Module: Standard Settings
Details settings for delay, failsafe high/low, test mode, and sensitivity using DIP switches and potentiometers.

Switchpoint Adjustment
Guidelines for adjusting the switchpoint based on the application, involving setting sensitivity and using potentiometers.

Troubleshooting
Common issues and solutions, such as checking power supply voltage and adjusting sensitivity and trip point potentiometers.

Notes for Use in Hazardous Locations
Instructions for use and assembly in hazardous locations, referencing relevant standards and certifications.

Permitted Zones for Installation
Specifies permitted zones for installation with markings for dust and gas applications, providing details on ATEX/UKEX Ex-Marking.

Overview
Technical information and instructions for the RF 8000, focusing on use in hazardous locations, including specifications, installation procedures, safety warnings, and disposal instructions.

Specifications
Outlines various versions of the RF 8000 series, including Dust Ignition Proof, Flameproof, and Intrinsically Safe models.

Installation Procedures
Guidelines include avoiding electrostatic charge build-up, impact or friction in explosive atmospheres, and adhering to specific temperature and pressure conditions.

Safety Warnings
Emphasizes using certified cable entry devices, maintaining proper ingress protection, and ensuring chemical resistance.

Temperature and Pressure Guidelines
Tables provide ambient and process temperature ranges, maximum surface temperatures, and temperature classes for different versions.

Probe Modifications
Instructions for shortening the rope or rod versions of the probe, with caution to avoid damaging the PFA coating.

Disposal
The product is composed of recyclable materials, and recycling should be conducted by specialized companies.

Catalog excerpts

Level limit switch Series RF 8000 Technical Information / Instruction manual 2 Page Safety Notes / Technical support 2 ----------------------------------------------------------------------------------------------------Introducion Applications / Function / Features 3 Profibus System Implementation 4 ----------------------------------------------------------------------------------------------------Technical data 5 Dimensions 5 Electrical data 9 Mechanical data 11 Operating conditions 12 Approvals 16 Options 18 ----------------------------------------------------------------------------------------------------Mounting 19 ----------------------------------------------------------------------------------------------------Electrical installation 22 ----------------------------------------------------------------------------------------------------Operation - Electronic module: Standard 26 ----------------------------------------------------------------------------------------------------Operation - Electronic module: Digital 32 ----------------------------------------------------------------------------------------------------Notes for use in Hazardous Locations 33 ----------------------------------------------------------------------------------------------------Probe Modifications 38 ----------------------------------------------------------------------------------------------------Disposal 39 Subject to technical change. We assume no liability for typing errors. Different variations than specified are possible. Please contact our technical consultants.

Open the catalog to page 1

Level limit switch Series RF 8000 Technical Information / Instruction manual 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...

Open the catalog to page 2

Level limit switch Series RF 8000 Technical Information / Instruction manual 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...

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Level limit switch Series RF 8000 Technical Information / Instruction manual Profibus PA - System Implementation RF 8000 supports PROFIBUS communication protocol, and SIMATIC PDM software. Basic PLC configuration with PROFIBUS PA PDM active PLC 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...

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Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Dimensions RF 8100 RF 8200 Threaded process connection Temperatur extended shaft: RF 8100 optional RF 8200 standard RF 8100 RF 8200 Flanged process connection Temperatur extended shaft: RF 8100 optional RF 8200 standard

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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 measuring length active shield active shield measuring length L does not include any raised face (see page 8) For RF8100 coated with PFA Standard 105 mm (4.13") Optional 230 mm (9,06") or 380 mm (14,96") For RF8100 coated with PFA Standard 125mm (4.92") Optional 250 mm (9.84") or 400 mm (15.75")

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Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Dimensions Threaded process connection Flanged process connection measuring length active shield active shield For RF8100 with optional PFA coating: ø10mm (0.36") measuring length L does not include any raised face (see page 8) Coated with PFA Standard 105 mm (4.13") Optional 230 mm (9,06") or 380 mm (14,96") Coated with PFA Standard 125mm (4.92") Optional 250 mm (9.84") or 400 mm (15.75")

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Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Dimensions Flanges ASME B16.5, raised face EN 1092-1 type A, flat faced Raised face facing thickness Facing thickness

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Level limit switch Series RF 8000 Technical Information / Instruction manual Technical data - Electrical data Electronic module: Standard (Relay SPDT / Solid State) Power Supply Max. voltage which does not invalidate the intrinsically safe protection of the sensor (probe): Um = 250V AC Power consumption Performance Repeatability User Interface Configuration Locally, using dip switches and potentiometers Local display Relay contact and solid-state switch Relay and solid-state switch can be de-energized in the absence of a sensor signal Signal Outputs Relay 1 Form C (SPDT) contact (selectable NC...

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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 PROFIBUS PA (IEC 61158 CPF3 CP3/2) Bus physical layer: IEC 61158-2 MBP(-IS) Polarity-independent Simultaneous communication with Master Class 2 Cyclic User data (normal operation) Byte output 2 bytes representing one value Byte input Device profile PROFIBUS PA Profile for Process Control Devices Version 3.0, Class...

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