Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Minebea Intec PR 6221/12.5 t
Summary of Contents for Minebea Intec PR 6221/12.5 t
- Page 1 Installation Manual Weighbridge Load Cell PR 6221 Translation of the Original Installation Manual 9499 053 46800 Edition 1.4.0 11/30/2018 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.
-
Page 3: Table Of Contents
Dimensions ..............................17 4.2.4 Technical data..............................18 Installation............................19 Safety instructions..............................19 Aligning the load cell..............................20 Positioning upper load disc .............................21 Connection............................22 General information ..............................22 Load cell ..................................22 6.2.1 Load cell cable ..............................23 Cable junction boxes..............................23 EN-1 Minebea Intec... - Page 4 Disposal ............................. 34 Spare parts and accessories ....................... 35 11.1 Replacement parts ..............................35 11.2 Accessories ................................35 11.2.1 Mounting kits..............................35 11.2.2 Load discs................................35 11.2.3 Connecting cables............................36 11.2.4 Cable junction boxes .............................36 Appendix ............................37 12.1 Certiicates/safety instructions/control drawing ....................37 Minebea Intec EN-2...
-
Page 5: Introduction
WARNING indicates that death or severe, irreversible injury may occur if appropriate safety measures are not observed. Take the corresponding safety precautions. CAUTION Warning of personal injury. CAUTION indicates that minor, reversible injury may occur if appropriate safety measures are not observed. Take the corresponding safety precautions. EN-3 Minebea Intec... -
Page 6: Hotline
NOTICE indicates that damage to property and/or the environment may occur if appropriate safety measures are not observed. Take the corresponding safety precautions. Note: User tips, useful information, and notes. Hotline Phone: +49.40.67960.444 Fax: +49.40.67960.474 eMail: help@minebea-intec.com Minebea Intec EN-4... -
Page 7: Safety Instructions
If there are grounds for rejection of the goods, a claim must be iled with the carrier immediately. The Minebea Intec sales or service organization must also be notiied. Before operational startup NOTICE Perform visual inspection. -
Page 8: Setup Instructions
Consideration should be given to the fact that thermal expansion and contractions may constrict the required space for movement of the object to be weighed and could thereby lead to signiicant falsiication of the measuring results. Minebea Intec EN-6... -
Page 9: Selecting Maximum Capacity
If the destructive load E of the load cell is exceeded, there is danger of mechanical destruction. EN-7 Minebea Intec... -
Page 10: Speciications
Standard version: 16 m Ex version: 20 m Cable gauge 4×0.35 mm Cable bend radius ≥25 mm (ixed installation) ≥75 mm (lexible installation) Cable sheath material Thermoplastic elastomer (TPE) Cable sheath color Green (standard version) Blue (Ex version) Minebea Intec EN-8... -
Page 11: Possible Marking Of The Load Cell For The Ex Area
T4A Ta= -40°C to 70°C; T5 Ta= -40°C to 55°C NOTICE Installation in the Ex area For installations in the Ex area, it is imperative to observe the Ex safety instructions in the installation manuals. 4.1.4 Dimensions all dimensions in mm EN-9 Minebea Intec... -
Page 12: Ordering Information
4 Speciications 4.1.5 Ordering information Model Max. ca- Type Packaging Weight pacity Gross/net PR 6221/12.5 t 12.5 t ..C3/C3E/C4/C4E 250×250×180 mm 3.35 kg/2.89 kg PR 6221/20 t 20 t ..C3/C3E/C4/C4E/C5/C5E/C6/C6E 250×250×180 mm 3.73 kg/3.30 kg PR 6221/25 t 25 t ..C3/C3E/C4/C4E/C5/C5E/C6/C6E 250×250×180 mm... - Page 13 100 V Insulation voltage between circuit and housing (PR 6221/..E only) Recommended sup- to hold the speciied perfor- 4 to 24 ply voltage mance Max. supply voltage permissible for continuous ope- ration without damage for PR 6221/..E: EN-11 Minebea Intec...
- Page 14 NTEP: min. scale interval of the load cells v Type Divisi- 12.5 t 20 t 25 t 30 t 50 t 60 t 75 t Unit Class III 10000 0.43 0.48 0.60 0.71 1.19 1.43 1.79 L Multi- Minebea Intec EN-12...
-
Page 15: Load Disc Kits
The load disc kit is not included in the equipment supplied with your load cell. For the order numbers of the load disc kits, please refer to Chapter 11.2.2. 4.2.2 Equipment supplied 4.2.2.1 Load disc kit PR 6021/00N Description Upper load disc Flexible copper strap Lower load disc Supporting ring EN-13 Minebea Intec... - Page 16 Weighbridge Load Cell PR 6221 4 Speciications 4.2.2.2 Load disc kit PR 6021/02N Description Upper load disc Flexible copper strap Lower load disc Supporting ring Anti-twist protection Minebea Intec EN-14...
- Page 17 4 Speciications Weighbridge Load Cell PR 6221 4.2.2.3 Load disc kit PR 6021/04N Description Turboload disc Flexible copper strap Lower load disc Supporting ring EN-15 Minebea Intec...
- Page 18 Weighbridge Load Cell PR 6221 4 Speciications 4.2.2.4 Load disc kit PR 6021/06N Description Turboload disc Flexible copper strap Lower load disc Supporting ring Anti-twist protection Minebea Intec EN-16...
-
Page 19: Dimensions
4 Speciications Weighbridge Load Cell PR 6221 4.2.3 Dimensions PR 6021/00N, ../02N all dimensions in mm EN-17 Minebea Intec... -
Page 20: Technical Data
2.1 kg Note: The load disc kits PR 6021/04N and PR 6021/06N do not it into the mounting kits PR 6021/01N and PR 6021/ 03N. They only it into the mounting kits PR 6021/05N and PR 6021/07N. Minebea Intec EN-18... -
Page 21: Installation
NOTICE Force shunts may cause measuring errors. All incoming and outgoing lines (hoses, pipes, cables) must be coupled to the measured object as lexibly as possible. EN-19 Minebea Intec... -
Page 22: Aligning The Load Cell
(see igure). Note: The material properties and the shape of the load cells and load discs are perfectly matched to one another. Always use load discs from Minebea Intec, see also Chapter 4.2.2. Note: Further installation instructions can be found in the manuals of the respective mounting kits. -
Page 23: Positioning Upper Load Disc
This uses an O-ring to ensure that the load disc is positioned in the exact center on the top of the load cell, see also Chapter 4.2.2. EN-21 Minebea Intec... -
Page 24: Connection
+ supply voltage/+ load cell input gn = + meas./LC out + measuring voltage/+ load cell output bu = - supply/LC in - supply voltage/+ load cell input gy = - meas./LC out - measuring voltage/- load cell output screen Screen Minebea Intec EN-22... -
Page 25: Load Cell Cable
Insulation of only one element (load cell, junction box or device) leads to insuicient protection or even to worse protection of the system as a whole. EN-23 Minebea Intec... -
Page 26: Cable Connections
In particular, the entire installation, including the power supply, must be suiciently protected against lightning! Simply connecting the protective grounding conductor is not enough! Cable connections Note: All components are only shown schematically. Color code black blue green gray white Minebea Intec EN-24... - Page 27 The functionality of the load cells is also threatened by lightning strikes near the scale. Make sure to use cable junction box PR 6021/08 or PR 6021/68S (see Chapter 11.2.4). Connect the ground as shown in the illustrations. For more information, see the cable junction box installation manual. EN-25 Minebea Intec...
-
Page 28: 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 to always run the "SmartCalibration" irst. This allows all required values to be extracted from the supplied Calibration Certiicate. -
Page 29: Corner Load Test
Electronic corner correction For further information, see the installation manual relating to the junction boxes. Full load test and shift test 7.6.1 Full load test To perform adjustment, load the platform with the maximal load (Max). EN-27 Minebea Intec... -
Page 30: Shift Test
That said, the actions described (see Chapter 7.6.3) will not be successful unless the load cells have been previously aligned vertically and the upper load disc is located in the absolute center on the top of the load cells. Minebea Intec EN-28... -
Page 31: Systematically Minimizing Shift Error
-20° to position α = 0°. In the center, higher readout than at the Rotate all load cells by another +20° to po- beginning and end of the weighbridge. sition α = 40°. EN-29 Minebea Intec... - Page 32 In the center, the readout continues to be Rotate all load cells by another 20° so that higher than at the beginning and end of all adjustment chambers are in the α = the weighbridge. +60° position, i.e. nearly longitudinally along the platform. Minebea Intec EN-30...
-
Page 33: Troubleshooting
0 mV ±0.024 mV/V PR 6221/75t 0 mV ±0.030 mV/V 8.3.2 Checking the strain gauge bridge of the load cell Do not exceed the test voltage. Check whether the values of the resistors are within the permissible limits. EN-31 Minebea Intec... -
Page 34: Checking The Insulation Impedance Of The Load Cell
Checking the insulation impedance of the connecting cable Disconnect connecting cable from measuring instrument and load cells. Insulate the cores of the connecting cable. Insulation impedance Core – core >120 MΩ × km Core – screen >120 MΩ × km Minebea Intec EN-32... -
Page 35: Maintenance/Repairs/Cleaning
NOTICE Some cleaning agents may not be compatible with the load cell material. When using cleaning agents, ensure that their compatibility with the load cell material has been tested and approved (see Chapter 4.1.2). EN-33 Minebea Intec... -
Page 36: 10 Disposal
We reserve the right not to accept products that are contaminated with hazardous substances (ABC contamination) for repair. Should you have any further questions, please contact your local service representative or our service center. Minebea Intec GmbH Repair center Meiendorfer Strasse 205 A 22145 Hamburg, Germany Phone: +49.40.67960.666... -
Page 37: 11 Spare Parts And Accessories
Load disc kit PR 6021/06N (upper turboload disc, lower load disc with sup- 9405 360 21061 porting ring, anti-twist protection and lexible copper strap 10 mm , 250 mm long) N = steel zinc plated, passivated and sealed (RoHS-compliant) EN-35 Minebea Intec... -
Page 38: Connecting Cables
Cable junction boxes We recommend using the following junction boxes: Description Order no. PR 6021/08 (polycarbonate, 1–8 load cells, IP65; not for PR 6221/..E) 9405 360 21084 PR 6021/68S (1.4404, 1–8 load cells, IP68, IP69, veriiable) 9405 360 21684 Minebea Intec EN-36... -
Page 39: 12 Appendix
D09-00.23 OIML Certiicate of Conformity (PTB) R60/2000-DE1-08.11 Supplementary Certiicate of Approval NMI S333A Certiicate of Conformance (NTEP) 14-024A1 Certiicate of Approval (NTEP-New York) 10001 Safety information for Ex-load cells 9499 059 47901 Control drawing 4012 101 5688 EN-37 Minebea Intec... - Page 40 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...
Need help?
Do you have a question about the PR 6221/12.5 t and is the answer not in the manual?
Questions and answers