Magtrol DSP6000 User Manual

User’s ManualWB and PB SeriesEddy-Current and Magnetic Powder Dynamometers

11. Introduction1.1 GENERAL DESCRIPTIONThe WB and PB Dynamometers manufactured by Magtrol are used for testing all types of motors and rotational sy

2Magtrol WB/PB DynamometersChapter 1 – Introduction1.2 DATA SHEETS1.2.1 WB/PB 2.7 SerieSWB/PB 2.7Data SheetWB/PB 2.7 Series Eddy-Currentand Powder D

3Magtrol WB/PB DynamometersChapter 1 – Introduction2MAGTROLDYNAMOMETER / TSC1AUX / TSC2SUPPLY 2SUPPLY 1RS-232CGPIB/IEEE–488BRAKEACCESSORYTORQUE–SPEEDO

4Magtrol WB/PB DynamometersChapter 1 – Introduction3MAGTROLSpec ificationsWB DYnaMoMeter ratingsThe WB Eddy-Current Dynamometers develop their full po

5Magtrol WB/PB DynamometersChapter 1 – Introduction4MAGTROLSpec ificationspB DYnaMoMeter ratings* Voltage at 20 °C is 24 volts.poWDer DYnaMoMeter oper

6Magtrol WB/PB DynamometersChapter 1 – Introduction5MAGTROLDime nsionsDYnaMoMeters With cooling circuitCooling water connection Ø 6 mm (0.24 in)TORQU

7Magtrol WB/PB DynamometersChapter 1 – Introduction6MAGTROLDime nsionsDYnaMoMeters Without cooling circuitTORQUEEXCITATION SPEEDT (removable calibrati

8Magtrol WB/PB DynamometersChapter 1 – IntroductionWB/PB 2.7Due to the continual development of our products, we reserve the right to modify specificat

9Magtrol WB/PB DynamometersChapter 1 – Introduction1.2.2 WB/PB 43 SerieSWB/PB 43Data SheetWB/PB 43 Series Eddy-Currentand Powder Dynamometers1www.mag

10Magtrol WB/PB DynamometersChapter 1 – Introduction2MAGTROLSystem Configurationssingle DYnaMoMeter ConFigurationsThe Dynamometers can be complemented

First English edition – September 2005While every precaution has been exercised in the compilation of this document to ensure the accuracy of its cont

11Magtrol WB/PB DynamometersChapter 1 – Introduction3MAGTROLSpec ificationsWB DYnaMoMeter ratingsThe WB Eddy-Current Dynamometers develop their full p

12Magtrol WB/PB DynamometersChapter 1 – Introduction4MAGTROLpB DYnaMoMeter ratingsSpec ifications* Voltage at 20 °C is 24 volts.The PB Powder Dynamome

13Magtrol WB/PB DynamometersChapter 1 – Introduction5MAGTROLSpec ificationssingle DYnaMoMeter DiMensionsNOTE:Original dimensions are in Metric units.

14Magtrol WB/PB DynamometersChapter 1 – Introduction6MAGTROLtanDeM DYnaMoMeter ratingsTandem Specifications* Voltage at 20 °C is 24 volts.Because the

15Magtrol WB/PB DynamometersChapter 1 – Introduction7MAGTROLTAnDeM DiMensionsTandem SpecificationsNOTE:Original dimensions are in Metric units. Dimen

16Magtrol WB/PB DynamometersChapter 1 – IntroductionWB/PB 43Due to the continual development of our products, we reserve the right to modify specificat

17Magtrol WB/PB DynamometersChapter 1 – Introduction1.2.2 WB/PB 65 SerieSWB/PB 65Data SheetWB/PB 65 Series Eddy-Currentand Powder Dynamometers1www.ma

18Magtrol WB/PB DynamometersChapter 1 – Introduction2MAGTROLSystem ConfigurationstanDeM ConFigurationsingle DYnaMoMeter ConFigurationsThe Dynamometers

19Magtrol WB/PB DynamometersChapter 1 – Introduction3MAGTROLSpec ificationsWB DYnaMoMeter ratingsThe WB Eddy-Current Dynamometers develop their full p

20Magtrol WB/PB DynamometersChapter 1 – Introduction4MAGTROLpB DYnaMoMeter ratingsSpec ifications* Voltage at 20 °C is 30 volts.The PB Powder Dynamome

iSafety Precautions WARNING! IN ORDER TO MINIMIZE RISKS, IT IS OF UTMOST IMPORTANCE TO RESPECT THE CURRENT SAFETY STANDARDS WHEN PLANN

21Magtrol WB/PB DynamometersChapter 1 – Introduction5MAGTROLSpec ificationssingle DYnaMoMeter DiMensionsNOTE:Original dimensions are in Metric units.

22Magtrol WB/PB DynamometersChapter 1 – Introduction6MAGTROLtanDeM DYnaMoMeter ratingsTandem Specifications* Voltage at 20 °C is 30 volts.Because the

23Magtrol WB/PB DynamometersChapter 1 – Introduction7MAGTROLTAnDeM DiMensionsTandem SpecificationsNOTE:Original dimensions are in Metric units. Dimen

24Magtrol WB/PB DynamometersChapter 1 – IntroductionWB/PB 65Due to the continual development of our products, we reserve the right to modify specificat

25Magtrol WB/PB DynamometersChapter 1 – Introduction1.2.2 WB/PB 115 SerieSWB/PB 115Data SheetWB/PB 115 Series Eddy-Currentand Powder Dynamometers1www

26Magtrol WB/PB DynamometersChapter 1 – Introduction2MAGTROLSystem Configurationssingle DynaMoMeter ConFigurationsThe Dynamometers can be complemented

27Magtrol WB/PB DynamometersChapter 1 – Introduction3MAGTROLSpec ificationsWB DynaMoMeter ratingsThe WB Eddy-Current Dynamometers develop their full p

28Magtrol WB/PB DynamometersChapter 1 – Introduction4MAGTROLpB DynaMoMeter ratingsSpec ifications* Voltage at 20 °C is 30 volts.The PB Powder Dynamome

29Magtrol WB/PB DynamometersChapter 1 – Introduction5MAGTROLT (removable calibration arm)500 mm (for mkp)X510 mm (for N·m)*FEMØUNPSRYQCBAHJGDDZCenter

30Magtrol WB/PB DynamometersChapter 1 – Introduction6MAGTROLtanDeM DynaMoMeter ratingsTandem Specifications* Voltage at 20 °C is 30 volts.Because the

iiThe contents of this manual is subject to change without prior notice. Should revisions be necessary, updates to all Magtrol User’s Manuals can be f

31Magtrol WB/PB DynamometersChapter 1 – Introduction7MAGTROLTAnDeM DiMensionsTandem SpecificationsNOTE:Original dimensions are in Metric units. Dimen

32Magtrol WB/PB DynamometersChapter 1 – IntroductionWB/PB 115Due to the continual development of our products, we reserve the right to modify specifica

33Magtrol WB/PB DynamometersChapter 1 – Introduction1.2.2 WB/PB 15 SerieSWB/PB 15Data SheetWB/PB 15 Series Eddy-Currentand Powder Dynamometers1www.ma

34Magtrol WB/PB DynamometersChapter 1 – Introduction2MAGTROLSystem Configurationssingle DynaMoMeter ConFigurationsThe Dynamometers can be complemented

35Magtrol WB/PB DynamometersChapter 1 – Introduction3MAGTROLSpec ificationsWB DynaMoMeter ratingsThe WB Eddy-Current Dynamometers develop their full p

36Magtrol WB/PB DynamometersChapter 1 – Introduction4MAGTROLpB DynaMoMeter ratingsSpec ifications* Voltage at 20 °C is 45 volts.The PB Powder Dynamome

37Magtrol WB/PB DynamometersChapter 1 – Introduction5MAGTROLJHLX 510 mm (for N·m)* 500 mm (for kpm)ØKTTGDDYPSSNMQRST (removable calibration arm)WVZCAB

38Magtrol WB/PB DynamometersChapter 1 – Introduction6MAGTROLtanDeM DynaMoMeter ratingsTandem Specifications* Voltage at 20 °C is 45 volts.Because the

39Magtrol WB/PB DynamometersChapter 1 – Introduction7MAGTROLTAnDeM DiMensionsTandem SpecificationsNOTE:Original dimensions are in Metric units. Dimen

40Magtrol WB/PB DynamometersChapter 1 – IntroductionWB/PB 15Due to the continual development of our products, we reserve the right to modify specificat

iiiTable of ContentsSAFETY PRECAUTIONS ...

412. Installation / MountingThe dynamometer lifespan (before overhauling) may vary from a few months to a few decades, depending on the application,

42Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting2.1.1 WB/PB 2.7 SerieSBefore mounting any WB/PB 2.7 Series Dynamometer to the test ben

43Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting2.1.2 WB/PB 43 SerieSWB/PB 43 Series Dynamometers are fitted with a connecting screw be

44Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting2.1.3 WB/PB 65 SerieSWB/PB 65 Series Dynamometers are fitted with a mechanical

45Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting2.1.4 WB/PB 115 SerieSWB/PB 115 Series Dynamometers are fitted with a mechanica

46Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting2.1.5 WB/PB 15 SerieSWB/PB 15 Series Dynamometers are fitted with a mechanical

47Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting2.2 MOUNTING THE DYNAMOMETER TO THE TEST BENCHThe dynamometer should be placed on a st

48Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting2.3 COUPLINGSThe dynamometer couplings used with the motor under test is an

49Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting2.4 MEASURING RANGEAs with most transducers, dynamometers should be operated in the up

50Magtrol WB/PB DynamometersChapter 2 – Installation / MountingBy slightly moving the dynamometer stator backwards and forwards when the motor is stop

ivTable of Contents Magtrol WB/PB Dynamometers3.3 CLOSED-CIRCUIT COOLING SYSTEMS ...

51Magtrol WB/PB DynamometersChapter 2 – Installation / MountingFigure 2–7 shows a good example of a protective system. All parts of the bench are acce

52Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting2.9 POWER/HEAT DISSIPATIONAll Magtrol WB/PB Series Dynamometers are instruments which

53Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting4 PB 2.7-8(POWER)2 PB 2.7-8(POWER)1 PB 2.7-8(POWER)10001001010001001010 100 1000 10,000

54Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting1010010.11100.10.0110 100 10004000 rpm955 rpm10,000Speed Limit for PBRotation Speed (rp

55Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting1010010.11100.10.0110 100 10003000 rpm570 rpm10,000Speed Limit for PBRotation Speed (rp

56Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting10010001011100.10.011 10 100 10003000 rpm480 rpm10,000Speed Limit for PBRotation Speed

57Magtrol WB/PB DynamometersChapter 2 – Installation / Mounting100010,000100101010010.110 10 100 10002000 rpm382 rpm10,000Speed Limit for PBRotation S

583. Cooling3.1 DYNAMOMETER COOLINGProper cooling of the dynamometer is essential to ensure a long operating life and accurate measuring results. Al

59Magtrol WB/PB DynamometersChapter 3 – Cooling3.2 OPEN-CIRCUIT COOLING SYSTEMSIn an open-circuit cooling system, the necessary water comes directly

60Magtrol WB/PB DynamometersChapter 3 – Cooling3.3 CLOSED-CIRCUIT COOLING SYSTEMSThe closed-circuit cooling system uses water-to-air or water-to-wate

vTable of ContentsMagtrol WB/PB DynamometersTABLE OF FIGURES2. INSTALLATION / MOUNTINGFigure 2–1 WB/PB 2.7 Load Cell Locking System ...

61Magtrol WB/PB DynamometersChapter 3 – Cooling3.4 COOLING WATER ISSUESDespite the fact that water is necessary for cooling, it represents a risk. Ru

62Magtrol WB/PB DynamometersChapter 3 – Cooling°dH = German hardness degree = 10 mg CaO/liter°THfr = French hardness degree = 10 mg CaCO3/lit

63Magtrol WB/PB DynamometersChapter 3 – Cooling3.4.6 condenSAtion Caution: when the dynamometer is at a standstill, the Cooling water must be turne

644. Connections / Configuration4.1 CONNECTION TO MAGTROL MOTOR TESTING ELECTRONICSThe connection and configuration of the Magtrol DES Power Supply, T

65Magtrol WB/PB DynamometersChapter 4 – Connections / Configuration4.1.2 Pc-BASed teSt conFigurAtionFor enhanced motor testing capabilities and full d

66Magtrol WB/PB DynamometersChapter 4 – Connections / Configuration4.2 TANDEM DYNAMOMETER CONFIGURATIONThe tandem configuration combines the advantages

67Magtrol WB/PB DynamometersChapter 4 – Connections / Configuration4.2.2 trAnSFormer connectionA transformer converts the power supplied by the DES in

68Magtrol WB/PB DynamometersChapter 4 – Connections / Configuration4.3 CONNECTION TO NON-MAGTROL ELECTRONIC CONTROL UNITS Caution: use extreme Cauti

69Magtrol WB/PB DynamometersChapter 4 – Connections / Configuration 1. N/C 2. N/C3. Supply +4. Supply –Figure 4–7 Connector Pin Configuration f

70Magtrol WB/PB DynamometersChapter 4 – Connections / Configuration4.3.2 torque SignAl connectionThe torque signal is supplied by a load cell fitted wi

viPrefacePURPOSE OF THIS MANUALThis manual contains information required for the installation and general use of Magtrol’s WB Series and PB Series Dy

71Magtrol WB/PB DynamometersChapter 4 – Connections / Configuration4.3.3 SPeed SignAl connectionSpeed measuring requires a 5 V supply. The square TTL

725. Operating Principles5.1 EDDY-CURRENT DYNAMOMETERS (WB)Magtrol Eddy-current Dynamometers carry the designation of "WB" which stands fo

736. CalibrationEvery new Magtrol WB/PB Series Dynamometer is factory calibrated. Static calibration of the zero and torque is recommended from time

74Magtrol WB/PB DynamometersChapter 6 – Calibration6.1.2 cAliBrAtion WeightThe calibration weight is determined by dynamometer model, according to th

75Magtrol WB/PB DynamometersChapter 6 – Calibration6.2 CALIBRATION WITH MAGTROL MOTOR TESTING ELECTRONICSWhen standard Magtrol motor testing electron

76Magtrol WB/PB DynamometersChapter 6 – Calibration Caution: for overload Calibration of wb/pb 43, 65 and 115 series dynamometers, readings

77Magtrol WB/PB DynamometersChapter 6 – Calibration6.4.2 WB/PB 65 SerieSFigure 6–3 WB/PB 65 Overload Protection Calibration1. Mount the calibra

78Magtrol WB/PB DynamometersChapter 6 – Calibration6.4.3 WB/PB 115 SerieSFigure 6–4 WB/PB 115 Overload Protection Calibration1. Mount the calib

797. Maintenance and Repair7.1 MAINTENANCEJust like any rotating equipment, Magtrol dynamometers require periodic maintenance. It is recommended th

80Magtrol, Inc. warrants its products to be free from defects in material and workmanship under normal use and service for a period of twenty-four (24

viiMagtrol WB/PB DynamometersPrefaceCONVENTIONS USED IN THIS MANUALThe following symbols and type styles may be used in this manual to highlight certa

81Service InformationRETURNING MAGTROL EQUIPMENT FOR REPAIR AND/OR CALIBRATIONBefore returning equipment to Magtrol for repair and/or calibrat

www.magtrol.comTesting, Measurement and Control of Torque-Speed-Power • Load-Force-Weight • Tension • DisplacementMAGTROL INC70 Gardenville ParkwayBuf