Aurora Scientific 315D Instruction Manual Download Page 1 | Manualshive

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© Aurora Scientific, 2020 VER. 1.00

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High Speed Length Controllers

315D | 322D

Publish Date: 7/24/2020

Manual Version 1

www.AuroraScientific.com

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Summary of Contents for 315D

Page 1: ... Aurora Scientific 2020 VER 1 00 page 1 High Speed Length Controllers 315D 322D Publish Date 7 24 2020 Manual Version 1 www AuroraScientific com ...

Page 2: ... Scientific 2020 VER 1 00 page 2 Copyright 2020 Aurora Scientific Aurora Scientific 25 Industry Street Aurora ON Canada L4G1X6 Tel 1 905 727 5161 Toll Free N America 1 877 878 4784 Fax 1 905 713 6882 Email techsupport aurorascientific com Web Site www AuroraScientific com ...

Page 3: ...High Speed Length Controllers Instruction Manual Model 315D 322D Aurora Scientific 2020 VER 1 00 page 3 Revision History Date Version Number Document Changes 07 24 2020 1 0 Initial Draft ...

Page 4: ...rolling Force 7 3 3 Controlling the System with External Electronics 7 3 4 Inhibit Shutdown 8 3 5 Overload Shutdown 8 4 Calibration Instrument Tuning and Maintenance 9 4 1 Calibrating Length Out 9 4 2 Instrument Tuning 10 4 3 Tuning 11 5 Performance Guarantee Technical Support Warranty and Repair Information 18 5 1 Performance Guarantee 18 5 2 Technical Support 18 5 3 Technical Support Contact Inf...

Page 5: ... physiology research 1 2 Process Overview The heart of our high speed length controllers is a very high performance moving magnet rotary motor The rotor of these motors is a magnet suspended on precision ball bearings A high performance optical position detector at the rear of the motor senses length changes at the end of the lever arm A three meter cable connects the motor to the control electron...

Page 6: ...ration 5 Switch the Inhibit switch to the Stop position down Turn the power switch ON The POWER LED should illuminate 6 Switch the Inhibit switch to the Run position up Turn the LENGTH OFFSET control back and forth a turn or so The arm should move in proportion to the turning of the control and the voltage shown on the front panel meter should change as well 7 Input a signal into the LENGTH IN BNC...

Page 7: ...wn in the specifications section 3 2 Controlling Force High speed length controllers cannot control force by themselves Aurora Scientific has a digital controller available that interfaces with a high speed length controller and a force transducer and allows the user to control force Our model 600A Digital Controller can generate critically damped force clamps in as little as 1 5 msec The 600A Dig...

Page 8: ...cle to the length controller Use the following procedure 1 Switch Inhibit to the Stop position 2 Turn the system power on 3 Attach the muscle tissue to the arm and to the external force transducer 4 Before moving the Inhibit switch to the Run position check the Length Out signal use the front panel voltmeter Move the arm so that the reading on the meter is close to 0 000 volts 5 Set the Offset kno...

Page 9: ...Length Scale Factor will be 1 50 mm 9 92 volts 0 151 mm volt Ensure that a non contact method of measuring the length is used Touching a micrometer or other non compliant instrument to the lever arm will often cause the arm to oscillate Alternate methods of measuring the movement include using an optical reticule or a traveling stage microscope Another method of calibrating the length would be to ...

Page 10: ...e a mass has been added or removed from the lever arm b The adjustment pots on the circuit board have inadvertently been altered c The researcher wants the system step response slightly faster or slower Please read the entire procedure before attempting any changes It is possible to damage the motor if the procedure is not understood completely If there are any questions please contact Aurora Scie...

Page 11: ...then skip down to step 10 below 4 Locate potentiometers R25 R28 R31 and R59 and then turn them counter clockwise CCW 25 turns or until a click is heard 5 Turn the front panel LENGTH OFFSET to the center of its range 5 turns from either stop 6 Disable servo by moving the Inhibit switch to the STOP position Turn on the power switch 7 Observe LENGTH OUT while moving the arm back and forth LENGTH OUT ...

Page 12: ...t point R59 should be turned up in conjunction with R25 b R28 is the error amplifier potentiometer It controls servo gain for the system During calibration this pot acts to increase the speed and overshoot of the system c R59 is the current integrator potentiometer It provides high frequency damping to the system Use this pot in conjunction with R25 to dampen an under damped waveform after R25 alo...

Page 13: ...High Speed Length Controllers Instruction Manual Model 315D 322D Aurora Scientific 2020 VER 1 00 page 13 System Step Response Time ms 315D 0 25 322D 0 35 Figure 2 R28 Adjusted to Remove Overshoot ...

Page 14: ...Length Controllers Instruction Manual Model 315D 322D Aurora Scientific 2020 VER 1 00 page 14 Figure 3 R25 Adjusted to Remove Low Frequency Oscillations Figure 4 R59 Adjusted to Remove High Frequency Oscillations ...

Page 15: ...High Speed Length Controllers Instruction Manual Model 315D 322D Aurora Scientific 2020 VER 1 00 page 15 Figure 5 R28 Adjusted to Remove Overshoot Figure 6 R28 Adjusted to Increase System Speed ...

Page 16: ... use the least amount of R28 possible to get the job done d There should be no audible ringing heard from the motor If there is then R28 is probably turned up too high There might be a small amount of hissing heard That is a normal condition and should be ignored The hissing will go up as R28 is increased Adjusting the Field Size 13 Apply a 10 volt peak to peak square wave to LENGTH IN at 75Hz Adj...

Page 17: ... Manual Model 315D 322D Aurora Scientific 2020 VER 1 00 page 17 14 Measure the voltage at U9 pin 14 It should be between 5 0VDC and 11 5VDC If the voltage is outside of this range there is probably a motor problem Contact Aurora Scientific Inc ...

Page 18: ...5 1 Performance Guarantee Our performance guarantee states if for any reason a new product does not meet your research needs then you can return it to Aurora Scientific for exchange or a full refund The performance guarantee only applies to new products and must be exercised within 60 days of receipt of the instrument 5 2 Technical Support Technical assistance is always free and will be available ...

Page 19: ...of parts and components not manufactured by Aurora Scientific shall be the same as the guarantee extended by the manufacturer of such components or parts Where possible such parts returned to Aurora Scientific will be sent to the manufacturer for credit or replacement Ultimate disposition of these items will depend upon the manufacturer s decision All shortages must be reported within ten 10 days ...

Page 20: ...d ship to Aurora Scientific Europe c Asia Australia and New Zealand Clients no customs documents are required skip to step 4 and ship to Aurora Scientific Asia d USA and Rest of the World Clients We will supply you with a Commercial Invoice CI that must be included with the shipment Please look for the CI in our return email message You must sign and date the commercial invoice Place three 3 copie...

Page 21: ... Maximum Force mN 100 200 Isometric Compliance µm mN 0 01 0 01 General Specifications Operating Temperature C 0 40 Overload Fault Recovery Time s 5 10 Over Temperature Fault Recovery Time s Varies up to 300 Startup Time to Readiness s 4 Power Required 100 120 220 240 VAC 50 60 Hz available Maximum Power Consumption W 50 Controller Weight kg 2 7 Motor Weight g 27 43 Dimensions cm 21W 1 2 rack mount...

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