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CDTM
MCRT
48200V NON-CONTACT DIGITAL TORQUEMETER
MCRT
®
48200V NON-CONTACT DIGITAL TORQUEMETER
®
INSTALLATION, OPERATION, AND TROUBLESHOOTING GUIDE
INSTALLATION, OPERATION, AND TROUBLESHOOTING GUIDE
Revision C • August 2021
& COMPANY
2490 Pembroke Avenue, Hoffman Estates, IL 60169 • 847-843-3300
www.himmelstein.com
© 2022 S. Himmelstein and Company—all rights reserved.
www.himmelstein.com
1
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- Page 1 48200V NON-CONTACT DIGITAL TORQUEMETER ® INSTALLATION, OPERATION, AND TROUBLESHOOTING GUIDE INSTALLATION, OPERATION, AND TROUBLESHOOTING GUIDE Revision C • August 2021 & COMPANY 2490 Pembroke Avenue, Hoffman Estates, IL 60169 • 847-843-3300 www.himmelstein.com © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com...
- Page 2 The attached Calibration Certificate lists actual calibration data . The calibration was done in Himmelstein’s NVLAP Accredited Laboratory (NVLAP Lab Code 200487-0) . For details, visit www .himmelstein .com or the ‘laboratory accreditation’ link @ www .nist .gov . Cal values are loaded on power up . Calibration data can be accessed using a PC and the supplied software .
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Page 3: Table Of Contents
General information ......16 © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 4: Introduction
* NIST traceable calibration performed in our accredited Cal Lab (NVLAP LAB Code 200487-0). For details visit www.himmelstein.com or www.nist.gov. DETAILS ABOUT INCLUDED SOFTWARE Included standard software operates on Windows-based PCs. Use it to: •... -
Page 5: Mechanical Installation
Use a slight interference fit (0.0005 inches per inch of shaft torque per the above definition. A negative output diameter) and follow the coupling manufacturers’ instructions. signal signifies a CCW torque. Before installation, lightly coat the torquemeter shaft with an © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 6: Electrical Installation
NOTE: Use separate driven end. CCW torque causes the opposite ground straps. rotation. B.2.3.2 Cal Check Enable Earth Ground Internal Calibration Check Circuitry may be remotely enabled by pin strapping and/or via © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 7: Speed Signal Connector
Machine Base Replacement Code Z Pickups can be ordered from the factory; P/N: 900-1007. Spare mating connectors can also Figure 4. Examples of Incorrect Earth Grounding. be ordered; P/N: 224-5361. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... - Page 8 Figure 5. Torquemeter Cable Connections. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com...
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Page 9: Dt482 Pc Interface Software
NVLAP , an arm of the NIST. For further information • Displays Current Torque numeric data with unit of visit our website at www.himmelstein.com or, follow the measure. accreditation link at www.nist.gov © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 10: Operating & Safety Considerations
Under the overload region, then change to a torquemeter with a some conditions, such couplings can aggravate higher overload rating. rather than improve the situation. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 11: Allowable Bearing Loads
“lock-up” . When a coupling locks-up, it no longer provides limit the thrust capacity of foot mounted one or more needed degrees of freedom and, ultimately torquemeters; see ¶ D.3. causes a driveline failure. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 12: Operating Speeds
Return produce noise. If noise is a problem, then replace the cable with one that is shielded and provide a good earth ground it for factory service. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 13: Constant Output Regardless Of Shaft Torque
• Standard (Code A) Speed Pickup P/N: 900-1001 control loop, torque and speed oscillations can be present below 1 hertz. • Zero Velocity (Code Z) Speed Pickup P/N: 900-1007 © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 14: Appendix I: Mcrt® 48200V Torquemeter Specification
20,000 2,260 0 to ±6,000 0 to ±8,500 684,000 0 .100 *Ratings are for continuous operation without external lubrication. **Stiffness is conservatively rated and includes the torsion section and shaft ends. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 15: Appendix Ii: Belt And Chain Drive Considerations
To order spare connectors, use the following part numbers (P/N). Function Number of Pins Part Number Power Connector 320-1285 Analog Output/Cal 320-1287 Enable/Zero Com Port Connector 320-1286 Type A Speed Pickup 224-3897 Type Z Speed Pickup 224-5361 © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 16: Appendix Iv: Serial Communications
• “!Signal Too Small” calibration signal is too small in magnitude. • “!Signal Too Large” calibration signal is too large in magnitude. • “!Signal has wrong sign” calibration signal is of the wrong sign for the requested calibration. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... - Page 17 Version number of firmware . A/D readings o 1st number: temperature sensor int, int, int o 2nd number: F-coil voltage o 3rd number: Input voltage hexfloat, hexfloat Positive/Negative Scaling Constants, lbf-in / counts © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com...
- Page 18 If the first string equals the current password, and the second and third strings are equal, then string change the flash protection password to the second string . © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com...
- Page 19 Do a calibration . This message takes approximately 1 .25 seconds to finish! o index long • A: Do a Zero Calibration index • B: Do a Positive Load Calibration • C: Do a Negative Load Calibration © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com...
- Page 20 CDTM & COMPANY 2490 Pembroke Avenue, Hoffman Estates, IL 60169 • 847-843-3300 www.himmelstein.com...
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