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Summary of Contents for Minebea Intec PR 6211
- Page 1 Installation Manual Compact Compression Load Cell PR 6211 Translation of the Original Installation Manual 9499 053 34300 Edition 1.6.0 09/13/2019 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 be operated/installed only by trained and qualiied 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.
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Page 3: Table Of Contents
Compact Compression Load Cell PR 6211 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 Compact Compression Load Cell PR 6211 Table of contents Metrological controls ..............................17 8.3.1 Checking the zero output signal of the load cell..................17 8.3.2 Checking the strain gauge bridge of the load cell ..................17 8.3.3 Checking the insulation impedance of the load cell................. 18 8.3.4...
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Page 5: Introduction
1 Introduction Compact Compression Load Cell PR 6211 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. This is what operating instructions look like 1. -
Page 6: Hotline
Compact Compression Load Cell PR 6211 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
Intended use The load cell PR 6211 has been designed especially for weighing silos and process vessels. The load cell PR 6211 may only be used as intended for weighing tasks. The dimensions of all mounting and structural components must be calculated so that suicient overload capacity is ensured for all loads which may occur while taking the relevant standards into account. -
Page 8: Recommendations For Installation
Compact Compression Load Cell PR 6211 3 Recommendations for installation Recommendations for installation Load cell and constrainer arrangement Examples: Do not constrain this position. Constrainer Load application Possible direction of movement EN-6 Minebea Intec... -
Page 9: Additional Lift-Of Protection
3 Recommendations for installation Compact Compression Load Cell PR 6211 The supporting structure of the scale (i.e. the load cell support) and the vessel must be stable enough to withstand the speciied loads, be horizontal (water level!) and lat. Vessels should preferably be supported by 3 load cells, platforms by 4 or 6 load cells (see igure). -
Page 10: Overload Protection
(elastomer support; see Chapter 11.2.1). The load cells PR 6211 (30…300 kg) feature built-in overload protection. If the load cell is overloaded by more than 150 % of the nominal load, this causes a signiicant lattening of the characteristic curve. -
Page 11: Speciications
4 Speciications Compact Compression Load Cell PR 6211 4 Speciications Equipment supplied with the load cell Description Flexible copper strap Load cell Load disc The following are not shown: Quick guide Calibration Certiicate General information Material (Sensor) Stainless steel 1.4542 acc. to DIN EN 10088-3 Protection against en- Hermetically sealed by welding. -
Page 12: Possible Marking Of The Load Cell For The Ex Area
Compact Compression Load Cell PR 6211 4 Speciications Cable bend radius ≥15.5 mm (ixed installation) ≥46.5 mm (lexible installation) Cable sheath material Thermoplastic elastomer (TPE) Cable sheath color Gray (standard version) Possible marking of the load cell for the Ex area... -
Page 13: Ordering Information
4 Speciications Compact Compression Load Cell PR 6211 Ordering information Model Max. capacity Type PR 6211/31 30 kg ..D1 PR 6211/51 50 kg ..D1 PR 6211/12 100 kg ..D1 PR 6211/22 200 kg ..D1 PR 6211/32 300 kg ..D1 Technical data... - Page 14 Compact Compression Load Cell PR 6211 4 Speciications Designation Description Abbr. Unit Output impedance between measuring terminals 1200 ±2 Ω Insulation impedance between measuring circuit and housing, >5000 MΩ = 100 V Recommended sup- to hold the speciied performance 4…24 ply voltage Max.
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Page 15: Installation
5 Installation Compact Compression Load Cell PR 6211 Installation Safety instructions NOTICE Welding or lightning strike current lowing through the cell can damage it. All electrical welding on the weighing system must be inished before mounting the load cells. When installing the load cell, immediately bypass the load cell with the lexible copper strap provided for this purpose (included in the equipment supplied, see Chapter 4.1). -
Page 16: Connection
Compact Compression Load Cell PR 6211 6 Connection Connection General information NOTICE The load cell cable end is protected against contamination and moisture by a protective sheathing. The protective sheathing should only be removed shortly before connecting! Protect the cable ends against contamination. Moisture must not get into the open end of the cable. -
Page 17: Cable Connections
6 Connection Compact Compression Load Cell PR 6211 Cable connections Note: All components are only shown schematically. Color code black blue green gray white Minebea Intec EN-15... -
Page 18: Preparing For Calibration
For calibration of the measuring system, please refer to the manual of the corresponding indicator. Smart Calibration When using Minebea Intec devices, we recommend always running "Smart Calibration" irst. This allows all required values to be extracted from the Calibration Certiicate supplied. -
Page 19: Troubleshooting
8 Troubleshooting Compact Compression Load Cell PR 6211 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 Component... -
Page 20: Checking The Insulation Impedance Of The Load Cell
Compact Compression Load Cell PR 6211 8 Troubleshooting Max. test voltage Standard version U = 32 V Type Input impedance Output impedance (red core, blue core) (green core, gray core) 1300 Ω ±12 Ω 1200 Ω ±2 Ω 8.3.3 Checking the insulation impedance of the load cell... -
Page 21: Maintenance/Repairs/Cleaning
Of-shore all-weather protection spray can be applied extensively to the load cell in aggressive environments. Repairs The load cell PR 6211 is designed to be as robust as possible for the required measuring accuracy and is highly reliable. Should an electrical or mechanical defect nevertheless occur, the load cell must be replaced. -
Page 22: Disposal
Compact Compression Load Cell PR 6211 10 Disposal 10 Disposal If the packaging is no longer required, please take it to your local waste disposal facility and/or a reputable disposal company or collection point. The packaging largely consists of environmentally friendly materials which can be used as secondary raw materials. -
Page 23: Spare Parts And Accessories
11 Spare parts and accessories Compact Compression Load Cell PR 6211 11 Spare parts and accessories 11.1 Replacement parts Description Max. capacity Order no. Flexible copper thread, 100 mm long 5312 321 28055 Load disc (D1) 5312 693 98068 30…300 kg 11.2 Accessories... -
Page 24: Cable Junction Boxes
Compact Compression Load Cell PR 6211 11 Spare parts and accessories 11.2.3 Cable junction boxes We recommend using the following junction boxes: Description Order no. PR 6130/34Sa (1.4301, 1–4 load cells, IP68, IP69, veriiable) 9405 361 30344 PR 6130/35S (1.4301, 1–4 load cells, IP68, IP69, veriiable) 9405 361 30354 PR 6130/38S (1.4404, 1–8 load cells, IP68, IP69, veriiable) -
Page 25: Appendix
12 Appendix Compact Compression Load Cell PR 6211 12 Appendix 12.1 Certiicates/safety instructions/control drawing Ser. no. Description Document no. Manufacturer's Certiicate MIN17ATEX005X Certiicate of Conformity FM FM17CA0138 FM17US0276 EU-Declaration of Conformity MEU17057 Declaration of Conformity MDC17003 Test Certiicate (PTB) D09-96.40... - Page 26 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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