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Pepperl+Fuchs LVL-M4 Brief Instructions

Vibration limit switch
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LVL-M4
Vibration Limit Switch
Brief Instructions
ISO9001

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Summary of Contents for Pepperl+Fuchs LVL-M4

  • Page 1 LVL-M4 Vibration Limit Switch Brief Instructions ISO9001...
  • Page 2 Phone: +49 621 776 - 0 E-mail: info@de.pepperl-fuchs.com North American Headquarters Pepperl+Fuchs Inc. 1600 Enterprise Parkway Twinsburg, Ohio 44087 Phone: +1 330 425-3555 E-mail: sales@us.pepperl-fuchs.com Asia Headquarters Pepperl+Fuchs Pte. Ltd. P+F Building 18 Ayer Rajah Crescent Singapore 139942 Phone: +65 6779-9091 E-mail: sales@sg.pepperl-fuchs.com https://www.pepperl-fuchs.com...

  • Page 3: Table Of Contents

    Vibration Limit Switch LVL-M4 Contents Introduction ............5 Content of this Document .
  • Page 4 Vibration Limit Switch LVL-M4 Contents Commissioning ........... 36 Function Check .

  • Page 5: Introduction

    Vibration Limit Switch LVL-M4 Introduction Introduction Content of this Document This document contains information that you need in order to use your product throughout the applicable stages of the product life cycle. These can include the following: • Product identification •...

  • Page 6: Safety Information

    Vibration Limit Switch LVL-M4 Introduction Safety Information Target Group, Personnel Responsibility for planning, assembly, commissioning, operation, maintenance, and dismounting lies with the plant operator. Only appropriately trained and qualified personnel may carry out mounting, installation, commissioning, operation, maintenance, and dismounting of the product. The personnel must have read and understood the instruction manual and the further documentation.
  • Page 7 Vibration Limit Switch LVL-M4 Introduction Informative Symbols Note This symbol brings important information to your attention. Action This symbol indicates a paragraph with instructions. You are prompted to perform an action or a sequence of actions. ▶ Reference to another section or to further documentation Permitted Procedures, processes or actions that are permitted.

  • Page 8: Registered Trademarks

    Bluetooth ® ® The Bluetooth word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Pepperl+Fuchs is under license. Other trademarks and trade names are those of their respective owners.

  • Page 9: Basic Safety Instructions

    Vibration Limit Switch LVL-M4 Basic Safety Instructions Basic Safety Instructions Requirements for Personnel The personnel must fulfill the following requirements to carry out the necessary tasks, e. g. commissioning and maintenance: • Trained, qualified specialists must have a relevant qualification for the specific function •...

  • Page 10: Operational Safety

    The device meets general safety standards and legal requirements. It also complies with the EU directives listed in the device-specific EU Declaration of Conformity. Pepperl+Fuchs confirms this by affixing the CE mark to the device. Functional Safety SIL (Optional) The functional safety manual must be strictly observed for devices that are used in functional safety applications.

  • Page 11: Incoming Acceptance And Product Identification

    Vibration Limit Switch LVL-M4 Incoming Acceptance and Product Identification Incoming Acceptance and Product Identification Incoming Acceptance Check the following during goods acceptance: □ Are the order codes on the delivery note and the product sticker identical? □ Are the goods undamaged? □...

  • Page 12: Storage And Transport

    Vibration Limit Switch LVL-M4 Incoming Acceptance and Product Identification Storage and Transport 3.3.1 Storage Conditions Use original packaging. 3.3.2 Storage Temperature • -40 to +80 °C (-40 to +176 °F) • optional: -50 °C (-58 °F), -60 °C (-76 °F) 3.3.3...

  • Page 13: Mounting

    Vibration Limit Switch LVL-M4 Mounting Mounting Warning! Loss of protection rating if the device is opened in a wet environment. Only open the device in a dry environment! Mounting Instructions • Any orientation for device with short pipe up to approx. 500 mm (19.7 inch) •...

  • Page 14: Mounting Requirements

    Vibration Limit Switch LVL-M4 Mounting Mounting Requirements 4.1.1 Take Switch Point into Consideration The following are typical switch points, depending on the orientation of the device: water +23 °C (+73 °F) Note Minimum distance between the fork tip and the tank wall or pipe wall: 10 mm (0.39 inch) Figure 4.2...
  • Page 15 Vibration Limit Switch LVL-M4 Mounting High Viscosity Note Highly viscous liquids may cause switching delays. • Make sure that the liquid can run off the tuning fork easily. • Deburr the socket surface. Note High viscosity, e.g. viscous oils: < 10000 mPa·s The tuning fork must be located outside the installation socket! >...
  • Page 16 Vibration Limit Switch LVL-M4 Mounting 4.1.4 Take Clearance into Consideration Allow sufficient space outside the tank for mounting, connection and settings involving the electronic insert. Figure 4.6 Take clearance into consideration 4.1.5 Support the Device Support the device in the event of severe dynamic load. Maximum lateral loading capacity of the pipe extensions and sensors: 75 Nm (55 lbf foot).

  • Page 17: Mounting The Device

    Vibration Limit Switch LVL-M4 Mounting 4.1.6 Weld-in Adapter with Leakage Hole Weld in the weld-in adapter in such a way that the leakage hole is pointing downwards. This enables any leaks to be detected quickly. Figure 4.8 Weld-in adapter with leakage hole...
  • Page 18 Vibration Limit Switch LVL-M4 Mounting Installing in pipes • Flow velocities up to 5 m/s at a viscosity of 1 mPa·s and density 1 g/cm (SGU). Check for correct functioning in the event of other process medium conditions. • The flow will not be significantly impeded if the tuning fork is correctly aligned and the marking is pointing in the direction of flow.

  • Page 19: Sliding Sleeves

    Vibration Limit Switch LVL-M4 Mounting Aligning the Cable Entry Note The locking screw is not tightened when the device is delivered. Aligning the Cable Entry Loosen the external locking screw (maximum 1.5 turns). Turn the housing, align the cable entry.

  • Page 20: Electrical Connection

    Vibration Limit Switch LVL-M4 Electrical Connection Electrical Connection Required Tools • Screwdriver for electrical connection • Allen key for screw of cover lock Connection Requirements 5.1.1 Cover with Securing Screw In the case of devices for use in the hazardous area with a certain type of protection, the cover is sealed by a securing screw.

  • Page 21: Connecting The Device

    Vibration Limit Switch LVL-M4 Electrical Connection Connecting the Device Caution! Housing thread The thread of the electronics and connection compartment is coated with lubricant varnish. Avoid additional lubrication. 5.2.1 2-wire AC (Electronic Insert FEL61) • 2-wire AC version • Switches the load directly into the power supply circuit via an electronic switch;...
  • Page 22 Vibration Limit Switch LVL-M4 Electrical Connection Terminal Assignment Always connect an external load. The electronic insert has integrated short-circuit protection. U 19...253 V AC I max: 350 mA >0,7 >0,5 L1 N Figure 5.2 2-wire AC, electronic insert FEL61 Behavior of Switch Output and Signaling ΔU...
  • Page 23 Vibration Limit Switch LVL-M4 Electrical Connection Selection Tool for Relays 207 230 253 Figure 5.4 Recommended minimum holding power/rated power for load Holding power/rated power in VA Operating voltage in V AC Mode • Operating voltage: 24 V, 50 Hz/60 Hz •...
  • Page 24 Vibration Limit Switch LVL-M4 Electrical Connection 5.2.2 3-Wire DC-PNP (Electronic Insert FEL62) • 3-wire DC version • Preferably in conjunction with programmable logic controllers (PLC), DI modules as per EN 61131-2. Positive signal at switch output of electronics module (PNP) •...
  • Page 25 Vibration Limit Switch LVL-M4 Electrical Connection Overvoltage protection Overvoltage category II Terminal Assignment U = 10...55 V DC 350 mA I max: 350 mA 55 V >0,7 >0,5 0.5 A L+ L- Figure 5.5 3-wire DC-PNP, electronic insert FEL62 Connection wiring with terminals...
  • Page 26 Vibration Limit Switch LVL-M4 Electrical Connection 5.2.3 Universal Current Connection with Relay Output (Electronic Insert FEL64) • Switches the loads via 2 volt-free changeover contacts • 2 galvanically isolated changeover contacts (DPDT), both changeover contacts switch simultaneously. • Functional testing without level change. A functional test can be performed on the device using the test key on the electronic insert or using the test magnet (can be ordered as an option) with the housing closed.
  • Page 27 Vibration Limit Switch LVL-M4 Electrical Connection Terminal Assignment >0,7 U = 19...55 V DC >0,5 U 19...253 V AC 0.5 A Figure 5.7 Universal current connection with relay output, electronic insert FEL64 When bridged, the relay output works with NPN logic...
  • Page 28 Vibration Limit Switch LVL-M4 Electrical Connection 5.2.4 DC Connection, Relay Output (Electronic Insert FEL64DC) • Switches the loads via 2 volt-free changeover contacts • 2 galvanically isolated changeover contacts (DPDT), both changeover contacts switch simultaneously. • Functional testing without level change. Functional testing of the entire device can be performed using the test key on the electronic insert or with the test magnet (can be ordered as an option) with the housing closed.
  • Page 29 Vibration Limit Switch LVL-M4 Electrical Connection Terminal Assignment >0,7 >0,5 U = 9...20 V DC 0.5 A L- PE Figure 5.9 DC connection with relay output, electronic insert FEL64DC When bridged, the relay output works with NPN logic Connectable load Behavior of Switch Output and Signaling Figure 5.10...
  • Page 30 Vibration Limit Switch LVL-M4 Electrical Connection 5.2.5 2-Wire NAMUR > 2.2 mA/< 1.0 mA (Electronic Insert FEL68) • To connect to switch amplifiers according to NAMUR (IEC 60947-5-6), a permanent power supply for the electronic insert must be ensured. •...
  • Page 31 Vibration Limit Switch LVL-M4 Electrical Connection Terminal Assignment IEC 60947-5-6 8,2 V DC NAMUR – >0,7 >0,5 L+ L- PE L- L+ Figure 5.11 2-wire NAMUR > 2.2 mA/< 1.0 mA, electronic insert FEL68 Connection wiring with terminals Connection wiring with M12 plug in housing according to EN 61131-2 Behavior of Switch Output and Signaling 2.2...3.8 mA...
  • Page 32 Vibration Limit Switch LVL-M4 Electrical Connection 5.2.6 LED Module VU120 (optional) A brightly lit LED indicates the operational status (switch status or alarm status). The LED module can be connected to the following electronic inserts: FEL62, FEL64, FEL64DC. ▶ For more information see manual.

  • Page 33: Post-Connection Check

    Vibration Limit Switch LVL-M4 Electrical Connection Post-Connection Check □ Is the device or cable undamaged (visual inspection)? □ Do the cables used comply with the requirements? □ Do the mounted cables have adequate strain relief? □ Are the cable glands mounted and firmly tightened? □...

  • Page 34: Operation Options

    Vibration Limit Switch LVL-M4 Operation Options Operation Options Overview of Operation Options 6.1.1 Operating Concept • Operation with button and DIP switches on the electronic insert ® ® • Display with optional Bluetooth module and P+F Level app via Bluetooth...
  • Page 35 Vibration Limit Switch LVL-M4 Operation Options ® 6.1.3 Bluetooth Wireless Technology ® Access via Bluetooth wireless technology ® Figure 6.2 Remote operation via Bluetooth wireless technology Mobile phone or tablet with P+F Level app ® Device with optional Bluetooth module ▶...
  • Page 36 Vibration Limit Switch LVL-M4 Commissioning Commissioning Function Check Before commissioning the measuring point, check whether the post-installation and post- connection checks have been performed: ▶ Post-installation check see chapter 4.4 ▶ Post-connection check see chapter 5.3 Functional Test Using the Button on the Electronic Insert •...
  • Page 37 Vibration Limit Switch LVL-M4 Commissioning Functional Test of the Electronic Switch with a Test Magnet Perform functional test of the electronic switch without opening the device: Testing Function Hold the test magnet against the marking on the nameplate on the outside.
  • Page 38 Vibration Limit Switch LVL-M4 Notes...
  • Page 39 Vibration Limit Switch LVL-M4 Notes...
  • Page 40 Pepperl+Fuchs Quality Download our latest policy here: www.pepperl-fuchs.com/quality KA01429O/98/EN/02.21 www.pepperl-fuchs.com © Pepperl+Fuchs · Subject to modifications Printed in Germany / DOCT-8111...

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