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Magtrol Model 6200 Open Loop Dynamometer Controller

Chapter 6 – Calibration

MAINTENANCE

1. Connect the chosen dynamometer to the 6200 using the 14-pin signal cable and the 2-pin

brake cable.

2.   Attach the calibration beam to the dynamometer shaft.
3.   Enter the calibration mode.
4.   Press the bRAkE oN/oFF button oN to apply full loading to the dynamometer.
5.   hang the weight on the calibration beam pin and level the beam as illustrated in the following

diagr

Torque = Weight (W) × Distance (D)

Weight (W) = Torque / Distance (D)

d

W

CW

CCW

t

t

Figure 6–1 Alternative Calibration

6. Press the DISPLAY button.
7. Adjust the gain by turning the Decrease/Increase Dial until the displayed voltage equals the

reference voltage.

Note:

The magnitude of change per revolution can be increased by pressing
the UP



button or decreased by pressing the DoWN



button.

8.  Remove the weight for zERo adjustment.
9.  Press the UNITS DISPLAY button.
10.  Adjust the Increase/Decrease Dial until the display indicates 0 mVDC.

Note:

The mV output of the dynamometer will be equivalent to the Weight
times Distance on the calibration beam, disregarding any decimal
point.

example

Magtrol’s hD-400-6 Dynamometer has a full-scale torque of 40.0 oz·in. The distance
from the center of the dynamometer shaft to the pin on the calibration beam is 5 inches.
Placing an 8 oz. weight on the pin will produce a torque of 40.0 oz·in. The mV output of the
dynamometer will be equivalent to 8 oz. multiplied by 5 inches, yielding an output signal
of 400 mV.

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Содержание 6200

Страница 1: ...MODEL 6200 Open Loop Dynamometer Controller User s Manual Via Paolo Uccello 4 20148 Milano Tel 39 02 48 009 757 Fax 39 02 48 002 070 info dspmindustria it www dspmindustria it...

Страница 2: ...demark of National Instruments Corporation Microsoft is a registered trademark of Microsoft Corporation National Instruments is a trademark of National Instruments Corporation Windows is a registered...

Страница 3: ...electronic products are earth grounded to ensure personal safety and proper operation 2 Check line voltage before operating the 6200 3 Make sure that dynamometers and motors under test are equipped w...

Страница 4: ...A March 2014 Table of Revisions Revisions To This Manual Date Edition Change Section s 03 03 14 1st Edition rev A Torque Offset and Gain procedure updated 6 3 2 03 03 14 1st Edition rev A Basic Calibr...

Страница 5: ...ontrast Settings 16 2 3 2 Displaying Desired Information 16 3 Installation 9 3 1 Powering up the 6200 9 3 1 1 Setting Unit for Line Voltage 9 3 1 2 Hardware Connection 10 3 1 3 Self Test 10 3 2 Basic...

Страница 6: ...on 21 6 2 Calibration Schedule 21 6 3 Basic Calibration Process 21 6 3 1 Initial Calibration Procedure 21 6 3 2 Torque Offset and Gain 22 6 3 3 Accessory Torque Offset and Gain 23 6 3 4 Auxiliary Inpu...

Страница 7: ...Dynamometer Brake Output 14 Figure 2 5 Accessory Torque Speed Output 14 Figure 2 6 Dynamometer TSC1 Connector 15 Figure 2 7 RS 232C Interface 15 Figure 2 8 GPIB IEEE 488 Interface 15 3 Installation 9...

Страница 8: ...t and provides its technical characteristics Chapter 2 CONTROLS Description of the elements located on the front and rear panels of the unit Chapter 3 Installation Provides setup options available wit...

Страница 9: ...mal functioning of the product to be obtained Caution This is used to draw the operator s attention to information directives procedures etc which if ignored may result in damage being caused to the m...

Страница 10: ...ents The 6200 is designed to work with any personal computer using an IEEE 488 or an RS 232 interface or as a stand alone unit In a computer controlled environment the 6200 provides the following moto...

Страница 11: ...otor under test In place of mechanical power it can also display auxiliary transducer readings via the 5 VDC analog input These displayed values can be stored internally or output via the RS 232 or IE...

Страница 12: ...488 Interfaces for Connection to PC For Use With Any Magtrol Hysteresis Dynamometer Auxiliary Input Accepts 5 VDC Transducer Connector for Model 5241 Power Supply for HD 825 Dynamometer only Connecto...

Страница 13: ...ary Function BRAKE ON OFF POWER UNITS UNITS DISPLAY TORQUE UNITS DISPLAY AUX SETUP STORE CLR MEM RECALL SETUP Three single function control buttons SHIFT enables saving function and secondary function...

Страница 14: ...or decreases the parameter selected 2 1 2 2 Double Function Buttons Button To Use Function POWER UNITS Press SHIFT and release then press this button Sets power display to WATTS HP or AUX input BRAKE...

Страница 15: ...250V T MAGTROL INC BUFFALO NY Figure 2 3 Rear Panel 2 2 1 Rear Panel Functions The rear panel from left to right provides the following functions BRAKE Connect dynamometer brake cable here Figure 2 4...

Страница 16: ...20 21 22 23 12 24 Figure 2 8 GPIB IEEE 488 Interface POWER Attach power cord here EARTH GROUND Attach earth ground here AUX INPUT Connect auxiliary instrument signal cable here DYNAMOMETER Connect dy...

Страница 17: ...e the lowest possible setting is used to achieve desired result Using a setting higher than necessary may cause display segments to burn in over a period of time resulting in uneven illumination from...

Страница 18: ...either of the following power sources 120 V 50 60 Hz 240 V 50 60 Hz 1 Find the line cord receptacle on rear panel The line cord is a detachable NEMA Standard 3 wire 2 Make sure the selector matches th...

Страница 19: ...download is complete the message MAGTROL 6200 appears 3 2 Basic Test Setup 1 After the Model Display wappears press the UNITS DISPLAY button and set current output to 0 with Decrease Increase Dial 2...

Страница 20: ...SETUP 3 Press SHIFT 4 Press UP or DOWN until you see the desired unit of input torque 5 Press SHIFT 6 Press UP or DOWN until selection matches encoder installed on dynamometer 60 bit standard 7 Press...

Страница 21: ...ress SHIFT to exit 4 1 5 Set Up I O Parameters 1 Press and release SHIFT 2 Press SETUP 3 Press the DOWN button twice 4 Press SHIFT 5 Press UP or DOWN until you see the desired contrast level 6 Press S...

Страница 22: ...d release RECALL The VFD will indicate RECALL followed by a number This number indicates the memory location that is being displayed The order of recalled data is LAST IN FIRST OUT LIFO A M also appea...

Страница 23: ...more than one instrument is essential The GPIB has rigid data formatting and hardware standards These standards help to ensure that all functions will work properly when the hardware and software are...

Страница 24: ...s can access from one to fifteen 4 bit primary addresses Other interfaces can access as many as thirty one 5 bit primary addresses The 6200 uses the 4 bit format 1 Press the SHIFT button and release 2...

Страница 25: ...or at least one second if you are asked to set a communication fault delay timeout If the communication fault delay timeout is too short or if the computer resets the interface too quickly the host in...

Страница 26: ...ontrols Use this command to lock out the front panel controls so that the Controller Readout settings can be changed only by using the computer with either the GPIB IEEE 488 or the RS 232 interface NO...

Страница 27: ...N m 4 g cm Torque unit conversion defaults to 0 oz in if out of range Programmed value is not saved at power down Misc X Prompts to return current output This command returns the current value in the...

Страница 28: ...variables can be assigned to them for data processing 5 6 selecting the baud rate for the rs 232 interface The 6200 communicates with the host computer through a DB 9 interface connector The connecto...

Страница 29: ...OPERATION To wire your own serial communications cable use the following wiring diagram A cable may also be purchased from your local electronics store A Radio Shack 26 152 cable and 26 264 null modem...

Страница 30: ...ed by pressing and holding the STORE and RECALL buttons while turning the power on All internal memory and setups will be lost After re initializing reprogram the GAIN and ZERO values into memory 6 2...

Страница 31: ...mometer input connector 3 Apply 2 000 VDC 4 Press the DISPLAY button 5 Adjust the gain by turning the Decrease Increase Dial until the displayed voltage equals the reference voltage Note The magnitude...

Страница 32: ...the reference voltage Note The magnitude of change per revolution can be increased by pressing the UP button or decreased by pressing the DOWN button 6 Apply 0 000 VDC 7 Press UNITS DISPLAY button 8 A...

Страница 33: ...l until the displayed voltage equals the reference voltage Note The magnitude of change per revolution can be increased by pressing the UP button or decreased by pressing the DOWN button 8 Remove the...

Страница 34: ...apter 6 Calibration MAINTENANCE 11 Repeat steps 5 through 10 12 After completing calibration press BRAKE ON OFF button OFF to remove loading from the dynamometer 13 Remove the calibration beam from th...

Страница 35: ...should be functioning and attached to Controller and computer interface card No RS 232 communication Setup error and or hardware fault Check Baud rate of Controller Pinout of serial cable Cable attac...

Страница 36: ...endix A LabVIEW Programming Examples Magtrol offers a comprehensive motor testing software program to satisfy most of your programming needs To order your software call Magtrol Sales at 1 716 668 5555...

Страница 37: ...28 Magtrol Model 6200 Open Loop Dynamometer Controller Appendix A LabVIEW Programming Examples APPENDICES A 2 Current Stabilized...

Страница 38: ...setup instructions refer to the corresponding chapters in this manual B 1 sETUP Menu I O CONTRAST 0 3 GPIB ADDRESS 0 15 RS 232 BAUD 300 600 1200 2400 4800 9600 19200 AUX P F OFF ON HIGH LIMIT 0 99999...

Страница 39: ...gtrol Model 6200 Open Loop Dynamometer Controller Appendix B Front Panel Display Menu Flow Charts APPENDICES B 2 Power Units Menu B 3 Aux Setup Menu Hp W AUX POWER UNITS AUX SETUP SCALE 0 10000 UNITS...

Страница 40: ...31 Magtrol Model 6200 Open Loop Dynamometer Controller Appendix B Front Panel Display Menu Flow Charts APPENDICES B 4 Torque Units Menu oz in oz ft lb in lb ft g cm kg cm N mm N cm N m TORQUE UNITS...

Страница 41: ...R10 R11 C1 22K 22K 22K 22K 22K 22K 22K 22K 22K 22K 22K SW10 SW9 SW8 SW7 SW6 SW5 SW4 SW3 SW2 SW1 A B BR1 BR2 BR3 PD05 PD05 PE05 C19 4700 C25 4700 C23 0 1 C22 0 1 C21 0 1 C18 1000 C17 1000 C23 0 1 C2 1...

Страница 42: ...hr W pb11 sCk pC6 srd pC7 sC0 pC3 rxd pC0 sC1 pC4 h5 pb5 h6 pb6 h3 pb3 h4 pb4 h7 pb7 sC2 pC5 std pC8 h2 pb2 txd pC1 h1 pb1 h0 pb0 42 47 44 41 46 hreQ pb13 43 40 54 39 d2 d3 d1 d5 d4 x y ds ps haCk pb1...

Страница 43: ...34 Magtrol Model 6200 Open Loop Dynamometer Controller Appendix C Schematics APPENDICES C 4 Analog I O...

Страница 44: ...ng Measurement and Control of Torque Speed Power Load Force Weight Tension Displacement Via Paolo Uccello 4 20148 Milano Tel 39 02 48 009 757 Fax 39 02 48 002 070 info dspmindustria it www dspmindustr...

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