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Minebea Intec S-Type Load Cell LC Tigo PR 76 Installation Manual

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Installation Manual
S-Type Load Cell LC Tigo PR 76
Translation of the Original Installation Manual
9499 053 76000
Edition 1.7.0
12/09/2022
Minebea Intec GmbH, Meiendorfer Str. 205 A, 22145 Hamburg, Germany
Phone: +49.40.67960.303 Fax: +49.40.67960.383

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Summary of Contents for Minebea Intec S-Type Load Cell LC Tigo PR 76

  • Page 1 Installation Manual S-Type Load Cell LC Tigo PR 76 Translation of the Original Installation Manual 9499 053 76000 Edition 1.7.0 12/09/2022 Minebea Intec GmbH, Meiendorfer Str. 205 A, 22145 Hamburg, Germany Phone: +49.40.67960.303 Fax: +49.40.67960.383...
  • Page 2 Any information in this document is subject to change without notice and does not represent a commitment on the part of Minebea Intec unless legally prescribed. This product should only be operated/installed by trained and qualified personnel. In correspondence concerning this product, the type, name, and release number/serial number as well as all license numbers relating to the product have to be cited.

  • Page 3: Table Of Contents

    S-Type Load Cell LC Tigo PR 76 Table of contents Table of contents Introduction............................3 Read the manual................................. 3 This is what operating instructions look like ......................3 This is what lists look like............................3 This is what menu items and softkeys look like..................... 3 This is what the safety instructions look like......................
  • Page 4 S-Type Load Cell LC Tigo PR 76 Table of contents Troubleshooting ..........................20 General Notes................................20 Visual inspection...............................20 Metrological controls ...............................20 8.3.1 Checking the zero output signal of the load cell..................20 8.3.2 Checking the strain gauge bridge of the load cell ..................20 8.3.3...

  • Page 5: Introduction

    1 Introduction S-Type Load Cell LC Tigo PR 76 Introduction Read the manual Please read this manual carefully and completely before using the product. This manual is part of the product. Keep it in a safe and easily accessible location.

  • Page 6: Hotline

    S-Type Load Cell LC Tigo PR 76 1 Introduction NOTICE Warning of damage to property and/or the environment. NOTICE indicates that damage to property and/or the environment may occur if appropriate safety measures are not observed. Take the corresponding safety precautions.

  • Page 7: Safety Instructions

    If there are grounds for rejection of the goods, a claim must be filed with the carrier immediately. The Minebea Intec sales or service organization must also be notified. Before operational startup NOTICE Perform visual inspection.

  • Page 8: Recommendations For Installation

    S-Type Load Cell LC Tigo PR 76 3 Recommendations for installation Recommendations for installation Load cell and constrainer arrangement Examples: Load cells with joint head mounting kit Load cells with threaded bar suspension Constrainer PR 6143/8× The supporting construction of the scale (and thus the load cells) and the vessel must be stable enough to withstand the specified loads, horizontal (check with spirit level!) and flat.

  • Page 9: Selecting Maximum Capacity

    3 Recommendations for installation S-Type Load Cell LC Tigo PR 76 Selecting maximum capacity If there is a risk of the safe load limit E being exceeded (even only temporarily, e.g. by falling loads), mechanical limiting in load direction is required.

  • Page 10: Specifications

    S-Type Load Cell LC Tigo PR 76 4 Specifications 4 Specifications Equipment supplied with the load cell Description Load cell Quick guide Calibration Certificate General information Material (Sensor) Load graduations ≤500 kg: Stainless steel 1.4021 acc. to DIN EN 10088-3 (corresponds to AISI 420) Load graduations ≥1 t:...

  • Page 11: Possible Marking Of The Load Cell For The Ex Area

    4 Specifications S-Type Load Cell LC Tigo PR 76 Possible marking of the load cell for the Ex area Zone Marking Certificate no. II 3G Ex nA IIC T6 Gc MIN21ATEX001X all PR 76 without /..E II 3D Ex tc IIIC T85 °C Dc MIN21ATEX001X all PR 76 without /..E...

  • Page 12: Ordering Information

    S-Type Load Cell LC Tigo PR 76 4 Specifications Ordering information Model Max. capacity Type PR 76/60 kg 60 kg ..N/C3 PR 76/125 kg 125 kg ..N/C3 PR 76/250 kg 250 kg ..N/C3 PR 76/500 kg 500 kg ..N/C3 PR 76/1 t ..N/C3...
  • Page 13 4 Specifications S-Type Load Cell LC Tigo PR 76 Designation Description Abbr. Unit max. difference in LC output <0.030 <0.017 Hysteresis between loading and unloading Temperature effect on max. change of S in ambient <0.028 <0.017 /10 K Smin temperature range max.
  • Page 14 S-Type Load Cell LC Tigo PR 76 4 Specifications NTEP: min. scale interval of the load cells v for PR 76/60 kg…PR 76/500 kg Type Divisions n 60 kg 125 kg 250 kg 500 kg Unit OMIL … … …...

  • Page 15: Installation

    5 Installation S-Type Load Cell LC Tigo PR 76 Installation Safety instructions NOTICE Welding or lightning strike current flowing through the cell can damage it. All electrical welding on the weighing system must be finished before mounting the load cells.

  • Page 16: Threaded Bar Suspension

    S-Type Load Cell LC Tigo PR 76 5 Installation Threaded bar suspension The joint heads are intended for suspending weighing objects on load cells PR 76, see Chapter 11.1. Another mounting options involves mounting the load cell with standardized commercially available screws or threaded bars of strength class 5.8; their material strength must not be lower than the core diameter of the thread.

  • Page 17: Mounting Hole

    5 Installation S-Type Load Cell LC Tigo PR 76 Mounting hole 5.3.1 Maximum screw installation depth in the threaded hole and tightening torques Max. capacity Max. screw installation Tightening torque depth 60…500 kg 15 mm 60 Nm 15 mm 320 Nm...

  • Page 18: Connection

    S-Type Load Cell LC Tigo PR 76 6 Connection Connection General information Protect the cable ends against contamination. Moisture must not get into the open end of the cable. Keep the load cell cables away from power cables. The distance between measurement cables and power cables and/or components under high voltage should be at least 1 m (reference value).

  • Page 19: Load Cell

    6 Connection S-Type Load Cell LC Tigo PR 76 Load cell Color code black blue green gray white + supply/LC in + supply voltage/+ load cell input + sense + sense - meas./LC out - measuring voltage /- load cell output...
  • Page 20 S-Type Load Cell LC Tigo PR 76 6 Connection Connection example EN-18 Minebea Intec...

  • Page 21: Preparing For Calibration

    7 Preparing for calibration S-Type Load Cell LC Tigo PR 76 Preparing for calibration General notes Note: For calibration of the measuring system, please refer to the manual of the corresponding indicator. Mechanical height adaptation To distribute the load over the load cells as evenly as possible, height adaptation is required in systems with more than 3 load cells prior to calibration.

  • Page 22: Troubleshooting

    S-Type Load Cell LC Tigo PR 76 8 Troubleshooting Troubleshooting General Notes The following hints will enable a technician to do an initial diagnostic or help in case of incorrect or non-reproducible weighing results after commissioning and calibration. Visual inspection...

  • Page 23: Checking The Insulation Impedance Of The Load Cell

    8 Troubleshooting S-Type Load Cell LC Tigo PR 76 8.3.3 Checking the insulation impedance of the load cell NOTICE Possible destruction of load cell Never apply test voltage between two cores of the load cell cable. Insulate the load cell cores.

  • Page 24: Maintenance/Repairs/Cleaning

    S-Type Load Cell LC Tigo PR 76 9 Maintenance/repairs/cleaning Maintenance/repairs/cleaning Maintenance The load cell PR 76 is maintenance-free. Load cell grease must be applied to the load cell mounting parts. The load cell can be extensively sprayed with off-shore all-weather protection spray in aggressive environments.

  • Page 25: Disposal

    10 Disposal S-Type Load Cell LC Tigo PR 76 10 Disposal Our products and their packaging should not be disposed of in municipal waste (e.g. garbage can for recyclable packaging, garbage can for paper packaging, etc.). They can either be recycled by the customer themselves, providing this complies with requirements set out by electrical or electronic waste or packaging waste laws, or sent back to Minebea Intec at a charge.

  • Page 26: Accessories

    S-Type Load Cell LC Tigo PR 76 11 Accessories 11 Accessories 11.1 Joint heads The following joint heads are recommended for installation of the load cell: Description Max. capacity Order no. Joint head PR 96/00N 60…500 kg 9405 300 96001 Joint head PR 96/01N 1…5 t...

  • Page 27: Certificates

    12 Certificates S-Type Load Cell LC Tigo PR 76 12 Certificates Ser. no. Description Document no. see Chapter Manufacturer's Certificate MIN21ATEX001X 12.1 EU-Declaration of Conformity MEU19020 12.2 Certificate of Conformance (NTEP) 19-088 12.3 OIML Certificate of Conformity (NMi) R60/2017-A-NL1-19.19 12.4...

  • Page 28: Min21Atex001X

    S-Type Load Cell LC Tigo PR 76 12 Certificates 12.1 MIN21ATEX001X EN-26 Minebea Intec...
  • Page 29 12 Certificates S-Type Load Cell LC Tigo PR 76 Minebea Intec EN-27...

  • Page 30: Meu19020

    S-Type Load Cell LC Tigo PR 76 12 Certificates 12.2 MEU19020 EN-28 Minebea Intec...
  • Page 31 12 Certificates S-Type Load Cell LC Tigo PR 76 Minebea Intec EN-29...
  • Page 32 S-Type Load Cell LC Tigo PR 76 12 Certificates EN-30 Minebea Intec...
  • Page 33 12 Certificates S-Type Load Cell LC Tigo PR 76 Minebea Intec EN-31...
  • Page 34 S-Type Load Cell LC Tigo PR 76 12 Certificates EN-32 Minebea Intec...
  • Page 35 12 Certificates S-Type Load Cell LC Tigo PR 76 Minebea Intec EN-33...
  • Page 36 S-Type Load Cell LC Tigo PR 76 12 Certificates 12.3 19-088 EN-34 Minebea Intec...
  • Page 37 12 Certificates S-Type Load Cell LC Tigo PR 76 Minebea Intec EN-35...

  • Page 38: R60/2017-A-Nl1-19.19

    S-Type Load Cell LC Tigo PR 76 12 Certificates 12.4 R60/2017-A-NL1-19.19 EN-36 Minebea Intec...
  • Page 39 12 Certificates S-Type Load Cell LC Tigo PR 76 Minebea Intec EN-37...
  • Page 40 S-Type Load Cell LC Tigo PR 76 12 Certificates EN-38 Minebea Intec...

  • Page 41: Tc11701

    12 Certificates S-Type Load Cell LC Tigo PR 76 12.5 TC11701 Minebea Intec EN-39...
  • Page 42 S-Type Load Cell LC Tigo PR 76 12 Certificates EN-40 Minebea Intec...
  • Page 43 12 Certificates S-Type Load Cell LC Tigo PR 76 Minebea Intec EN-41...
  • Page 44 Published by Minebea Intec GmbH | Meiendorfer Strasse 205 A | 22145 Hamburg, Germany Phone: +49.40.67960.303 | Email: info@minebea-intec.com www.minebea-intec.com...

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