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LORENZ MESSTECHNIK GmbH
Operation Manual
for Torque Sensor
For below and similar Types
DR-2112
DR-2112-R
DR-2412
DR-2412-R
E-Mail: info@lorenz-sensors.com
Internet:
www.lorenz-sensors.com
Technical changes reserved
Obere Schloßstr.131
( 07172 / 93730-0
73553 Alfdorf
Fax 07172 /93730-22
DR-2212
DR-2212-R
DR-2512
DR-2512-R
090231e.doc
Page 1 of 14
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Table of Contents
Related Manuals for LORENZ MESSTECHNIK DR-2112
Summary of Contents for LORENZ MESSTECHNIK DR-2112
- Page 1 Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 Operation Manual for Torque Sensor For below and similar Types DR-2112 DR-2212 DR-2112-R DR-2212-R DR-2412 DR-2512 DR-2412-R DR-2512-R E-Mail: info@lorenz-sensors.com Technical changes reserved 090231e.doc Internet: www.lorenz-sensors.com...
- Page 2 Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 Imprint Manufacturer, Place Lorenz Messtechnik GmbH, D-73553 Alfdorf. Valid for... DR-2112; DR-2412; DR-2112-R; DR-2412-R DR-2212; DR-2512; DR-2212-R; DR-2512-R Copyright © 2006 Lorenz Messtechnik GmbH, Alfdorf. Reprint Interdiction Reprints, even in extracts, only with written authority.
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Page 3: Table Of Contents
Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 Contents Read First .............................. 4 Safety and Caution Symbols ......................4 Intended Use ..........................4 Dangers ............................4 1.3.1 Neglecting of Safety Notes...................... 4 1.3.2 Remaining Dangers ........................ 4 Reconstructions and Modifications.................... -
Page 4: Read First
Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 Read First Safety and Caution Symbols Caution: Injury Risk for Persons Damage of the Device is possible. Note: Important points to be considered. Intended Use Torque sensors are intended for the measurement of torques. This measurand is further suitable for control tasks. -
Page 5: Warning Notes
Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 Warning Notes Attention must be paid to the accident prevention regulations of the trade associations. Coverings and casings are necessary before operating the sensor. This is also valid for commissioning, maintenance and trouble shooting. -
Page 6: Electrical Setup
Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 Electronics in the stator Electronics in the rotor Option Angle Sensor Drive side Measuring side Shaft Rotating transformer Electrical Setup The supply of the rotor electronics occurs by an alternating voltage, generated in the stator, which transfers to the rotor through a rotating transformer. -
Page 7: Sensors With Analog Output
See separate manual for further information. 3.2.3 The Serial Communication See Lorenz Protocol, Document Number 090110, Lorenz Messtechnik GmbH. Mechanical Assembly For the assembly of a torque sensor in a shaft line, we always recommend to use couplings which can be misaligned. -
Page 8: Torque Sensors Of 0,03 N·m To 15 N·m
Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 Connections with Clamping Piece: The indications of the clamping piece manufacturer must be considered. The clamping piece must be able to transfer the arising torques safely. -
Page 9: Foot Version Assembly
Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 In this case, with both single-jointed couplings, the torque sensor forms a double-jointed coupling. A single-jointed coupling can only balance axial and angular misalignments. In this installation case, double-jointed couplings can not be used for both sides! -
Page 10: Electrical Connection
Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 Electrical Connection Pin Connection Also see test certificate. 8-pin Analog Excitation + 12 ... 28 VDC Excitation GND Signal ±5 V / (±10 V) Signal GND L<2,0 V;... -
Page 11: Cable
Torque means clockwise or clockwise torque if the torque acts clockwise when facing the shaft end. In this case a positive electrical signal is obtained at the output. Torque sensors by Lorenz Messtechnik GmbH can measure both, clockwise and counter-clockwise direction. -
Page 12: Dynamic Torques
Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 Dynamic Torques 6.4.1 General The static calibration procedure of torque sensors is also valid for dynamic applications. Note: The frequency of torques must be smaller than the natural frequency of the mechanical measurement setup. -
Page 13: Trouble Shooting
Obere Schloßstr.131 ( 07172 / 93730-0 LORENZ MESSTECHNIK GmbH 73553 Alfdorf Fax 07172 /93730-22 Trouble Shooting This chart should help to search for the most frequent errors and their elimination Problem Possible Cause Trouble Shooting No signal No sensor excitation Outside of permissible range •... -
Page 14: Storage
Demand of high-quality standards • Special traceability requirements • Data Sheet www.lorenz-sensors.com Literature Lorenz Protocol, document no. 090110, Lorenz Messtechnik GmbH Dubbel, Taschenbuch für den Maschinenbau, Springer Verlag E-Mail: info@lorenz-sensors.com Technical changes reserved 090231e.doc Internet: www.lorenz-sensors.com Page 14 of 14...