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NEXTGEN ULTRA PRECISION DIGITAL TORQUEMETERS
NEXTGEN ULTRA PRECISION DIGITAL TORQUEMETERS
INSTALLATION, OPERATION, AND TROUBLESHOOTING GUIDE
INSTALLATION, OPERATION, AND TROUBLESHOOTING GUIDE
APPLIES TO SERIES
MCRT
MCRT
MCRT
MCRT
MCRT
MCRT
© 2022 S. Himmelstein and Company—all rights reserved.
Revision F • April 2022
48600V
®
48800V
®
49800V
®
48850V/48851V
®
59800V
®
79800V
®
2490 Pembroke Avenue, Hoffman Estates, IL 60169 • 847-843-3300
www.himmelstein.com
www.himmelstein.com
& COMPANY
NGT
1
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Summary of Contents for Himmelstein MCRT 48600V
- Page 1 APPLIES TO SERIES MCRT 48600V ® MCRT 48800V ® MCRT 49800V ® MCRT 48850V/48851V ® MCRT 59800V ® MCRT 79800V ® & 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 ❑ On ❑ Off 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 ......20 © 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 analog outputs, filter cutoff frequency, scaling, units of Code 200487-0). For details visit www.himmelstein.com or www.nist.gov. measure, zero, tare, clear tare, store data, etc. and/or to control measurements. -
Page 5: Coupling Installation
After coupling installation, verify that: • Clearance exists between the coupling and the torquemeter stator, and Preferred Thrust Direction • The shaft-to-coupling fit is snug enough to prevent vibration induced coupling motion. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 6: Electrical Installation
Figures 4 and 5. ¶ B.2 and expanded in ¶ B.5. If specified differently, the connections are defined on the manual front page or in an equivalent document. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 7: Analog Output Default Pin Assignments Summarized
Pin C Analog Ground Default Pin Assignments Pin A ±10V Low Range Torque Output Pin B ±5V High Range Torque Output Pin G ±10V High Range Torque Output Pin C Analog Ground © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 8: Cables
Speed Output is always positive. CCW Calibration: ground Pin K on the 10 pin connector, or ground Pin F on the 8 pin connector. * For details visit www.himmelstein.com or follow the accreditation link Invoking a Cal Check produces simultaneous calibration at www.nist.gov. -
Page 9: Tare Function
Electric Motors A Himmelstein torquemeter will not yield (evidenced by a When started across the line, during the start, a motors’ non-return to zero) or fail if subjected to an instantaneous developed torque can be several times its rated torque. -
Page 10: Allowable Bearing Loads
48802/49802/59802/79802V ® Blower Wheel MCRT 48803/49803/59803/79803V ® Under Test MCRT 48804/49804/59804/79804V ® MCRT 48806/49806/59806/79806V ® MCRT 48807/49807/59807/79807V ® MCRT 48808/49808/59808/79808V ® Weight of Blower MCRT 48850/48851V Wheel Applies ® Bending Load © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 11: Allowable Thrust Loads
Pour Point (°F) Flash Point (°F) Figure 10. Torquemeter with Thrust Load Figure 11. Torquemeter Lube Ports (2) Lube Ports at Each End. (Usually 1/8 NPT Plugs) Drive and Thrust Bearing Torquemeter © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 12: Pc Interface Software
N-m, power readings our website at www.himmelstein.com or, follow the will output/display correctly without further user adjust- accreditation link at www.nist.gov. ments and all parameter Cal Checks will be correct. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 13: Troubleshooting
RS232, RS422 or RS485. Also verify • Verify A Good Installation Earth Ground, per ¶ B.3 the PC will accept data per the preceding paragraph. If all is present. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 14: Speed Subsystem
(metric), kW, W, ft-lbf/min, ft-lbf/s, Btu/h, Btu/min, Btu/s, ton, cal/h, cal/min, cal/s lbf-in, lbf-ft, ozf-in, ozf-ft, N-m, kN-m, N-cm, kgf-m, kgf-cm, gf-cm Torque rpm, rps, rph, rad/s, rad/min, rad/h, degree/min, degree/s, degree/h, grad/s Speed © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 15: Appendix Iii: Mating Stator Connector Part Numbers
Solid State Relay active Torquemeter Solid State Relay Ω Pins G, H, or J 10 Pin Connector Output sink Customer current is supplied 5V internally Pin D Power Supply limited to 10mA. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 16: Appendix Vi: Available Computer Port Adapters
For cable runs greater than 500 feet, terminate RXD data signal at the computer and the Torquemeter with 120Ω. Termination resistors are included on Torquemeter and can be switched in and out with the supplied software. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 17: Appendix Ix: Foot Mounted Versus Floating Shaft Installations
Addition to Axial Keyway installations. See ¶ C.4.2 for data on shaft thrust ratings. Vertical, foot mounted installations must limit torque- meter bearing loads to those of ¶ C.3. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 18: Appendix Xi: Fatigue Considerations
• Adequate bearing lubrication. Too little will result • Taking all reasonable safety precautions including in bearing failure. Too much, produces excessive the installation of safety guards around rotating heating from viscous losses and can cause damage. components. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 19: Appendix Xiii: Hazardous Environments
To simplify your analysis, assume T2 = 0 ment errors. Installation Definitions Flexible Couplings Pillow Blocks Pulley Gear Torquemeter Torque = (T )*(D/2) © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... -
Page 20: Appendix Xv: Serial Communications For The Next Generation Torquemeter
“@@” to write non-volatile memory. value by Full-Scale- Torque/655,360,000.0 • Apply the positive shunt calibration signal: Send “*ASB” to the NextGen Torquementer. To remove this signal send “*ASA”. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com... - Page 21 The native units (lbf-in) for the channel’s data are multiplied by this number before being sent to the user. Do not change this without a corresponding change in the unit name (UN). Only torquemeter data retrieved via the command is subject to this scaling. © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com...
- Page 22 4: Clear Tare 5: Reset Max/Min 6: Max Data output 7: Min Data output 8: Hold Data 9: Hold Data output 16: Torque OK 17: Speed OK 18: Power OK 19: Temperature OK © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com...
- Page 23 C: Adjustment Point 2 Calibration Span Valid only for Torque channel D: Adjustment Point 3 Calibration Span Valid only for Torque channel E: Adjustment Point 4 Calibration Span Valid only for Torque channel © 2022 S. Himmelstein and Company—all rights reserved. www.himmelstein.com...
- Page 24 & COMPANY 2490 Pembroke Avenue, Hoffman Estates, IL 60169 • 847-843-3300 www.himmelstein.com...
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