Danaher Motion Amplifier MDM-7 Operator'S Manual Download | Manualshive

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MDM-7

™

High

Performance Stepping
Motor Drive Module

Amplifier

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Summary of Contents for Amplifier MDM-7

Page 1: ...MDM 7 High Performance Stepping Motor Drive Module Amplifier...

Page 2: ...icient MOSFET output devices results in minimal drive heating in many cases no additional heat sinking is required The MDM 7 module features full compensation for mid range resonance Most available st...

Page 3: ...ted D C power supplies Fig 1 details a typical design It consists of an A C line filter A C fuse on off switch transformer diode bridge filter capacitor and D C fuse The transformer primary voltage sh...

Page 4: ...an be broken into two regions a low speed region within which torque is constant and a high speed region within which torque is inversely pro portional to frequency The onset of the break between the...

Page 5: ...y ground while maintaining isolation from the con trol circuitry The principal benefits of half stepping are the doubling of reso lution and increased smoothness during low speed operation The step ra...

Page 6: ...and erratic operation Use separate cables and employ a shield around the motor leads this shield should be tied to Power Supply Ground and the module case Pin 10 5 Volts D C The user must provide 5 vo...

Page 7: ...rent defaults to 3 5 Amp phase half coil This could overheat and damage any motor not rated for this current value Pin 12 Power Supply Ground This pin is internally connected to pin 1 Due to its proxi...

Page 8: ...motor torque is available for accelerating the load as opposed to being wasted driving spurious resonances One minor requirement of this circuitry is that the incoming step pulse train should be smoot...

Page 9: ...no motor 50 60 mA PWM Frequency 18 24 KHz Motor Current half coil 0 75 3 5 Amperes Motor Current full coil 1 50 7 0 Amperes Step Pulse High Level 1 sec Step Pulse Low Level 1 sec Step Frequency 500 KH...

Page 10: ...added to the price of the equipment shipped Field Service Policy Unless express shipping instructions are furnished by buyer seller will use its discretion All shipments are F O B seller s plant Upon...

Page 11: ...10 Danaher Motion Precision Systems Group 7C Raymond Avenue Salem NH 03079 tel 603 893 0588 toll free 800 227 1066 fax 603 893 8280 url www danaherprecision com 2003 Danaher Motion p n 41 0060 09 2003...

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