logging in or signing up Nippon Pulse America- Unraveling the Mystery of Stepper Motor Technol Electromate Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: Embed: Flash iPad Copy Does not support media & animations WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 64 Category: Science & Tech.. License: All Rights Reserved Like it (0) Dislike it (0) Added: December 20, 2011 This Presentation is Public Favorites: 1 Presentation Description Nippon Pulse America- Unraveling the Mystery of Stepper Motor Technology Presentation Comments Posting comment... Premium member Presentation Transcript PowerPoint Presentation: NPM Unraveling The Mystery of Stepper Motor Technology Jeramé Chamberlain Nippon Pulse America, Inc., USA Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM What is a Open Loop Stepper Motor System? What Are Stepper Motors? How Do Stepper Motors Work? Troubleshoot & Test Stepper Motors Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Basic Stepper Application Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Stepper Motor Coil PHASE A S N PHASE B ● S N PHASE B Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 PHASE A www.electromate.com sales@electromate.comPowerPoint Presentation: NPM PHASE B PHASE A S N ● S N One Phase Step Sequence PHASE B PHASE B STEP 1 PHASE A N S PHASE B STEP 2 PHASE A PHASE A Two Phase Stepper Motor PHASE A PHASE A N PHASE B PHASE B PHASE B S N PHASE B S Sold & Serviced By: TEP 4 STEP 3 ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.com PHASE A PHASE APowerPoint Presentation: NPM Types of Stepper Motors Permanent-Magnet (PM) • PM rotor & electromagnetic coil Variable Reluctance (VR) • No PM, no residual torque Hybrid – NEMA Sizing • Combined PM & VR Technology Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Cross Section of A Two Phase Hybrid Motor Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM PM & Hybrid Stepper Motors Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Bipolar Coil Winding Each phase is a single winding Current flow and electromagnetic polarity is reverses in the windings Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Unipolar Coil Winding Sometimes called four-phase steppers Current flow and electromagnetic polarity is NOT reversed in the windings. Polarity comes from alternately energized wi Sold & Serviced By: i ELECTRO MATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Motors Need Maintenance Steppers – Not So Much Stalled motors burn up • Steppers operate in stall condition Most brushes go bad • Steppers are brushless All bearings go bad • Quality Stepper bearings are rated from 90-100K hours People break them Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com • Hammers don’t fix Steppers sales@electromate.comPowerPoint Presentation: NPM Ohmmeter Test With Steppers Bipolar Always 4 leads Resistance is the same in both windings and both directions Some 8 lead motors can be connected as bipolar Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Ohmmeter Test With Steppers Unipolar 5 or 6 leads Resistance from each phase to Common is the same in both directions If 5 leads, two commons connected Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Unipolar Windings & Wire Colors Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Bipolar Windings & Wire Colors Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Stepper Motor Electronic System CPU, Controller, Sequencer, Driver One or more parts can be combined, Sold & Serviced By: based on motion complexity ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Controller Receives & Coordinates A dedicated controller generates motion profiles that produce smoother Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Controller Manages & Interpolates Some controllers provide interpolation between motors to produce smooth XYZ motions – CNC Machines Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Two Outputs Types to Sequencer Pulse & Direction – Speed & Rotation CW/CCW – Speed & Rotation Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM One Controller – Two Output Types Pulse & Direction – Speed & Rotation CW/CCW – Speed & Rotation Pulse & Direction is the most common format used in the USA PCL6045B can output both formats Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Stepper Motor Sequencers Sequencers read speed and direction from controller and deliver excitation sequence to the driver Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Bipolar Stepper Drivers When Q1a and Q4a (green) are on, current flows in one direction When Q2a and Q3a (red) are turned on, current flow is reversed Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Unipolar Stepper Drivers Half the drive electronics of bipolar, and 30% less torque However, unipolar coils allow a higher pulse rate than bipolar, before becoming Sold & Serviced By: saturated. ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Constant Current - Constant Voltage Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Current Lags Voltage in an Inductor Torque from stepper motors is generated by current, not voltage PWM or Chopper drive manages current through a switch, applied at higher voltages to induce more winding current Chopper delivers more Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Half Stepping A Stepper Motor Easiest way to accomplish half stepping is by using 1-2 phase excitation Divides a stepper’s full step angle by two 7.5 ° /2 = 3.25 ° per half step 30% loss of torque depending on step rate when compared to full step Winding is not energized during each alternating half step Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM PHASE B PHASE A S N ● S N Half Stepping Sequence PHASE B PHASE B STEP 1 PHASE A N S PHASE B STEP 3 PHASE A PHASE A Two Phase Stepper Motor PHASE A PHASE A N N PHASE B N S PHASE B PHASE B S N PHASE B S S Sold & Serviced By: TEP 4 STEP 2 ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.com PHASE A PHASE APowerPoint Presentation: NPM Microstepping A Stepper Motor Full step can be broken into as many as 512 parts Current is limited through each winding. Unequal pull on the magnet means it moves toward the weaker winding Torque falls rapidly as speed increases Steps are not constant for positioning Microstepping should only be used for Sold & Serviced By: smooth movement. ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Combined Sequencer & Translator Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.com You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Nippon Pulse America- Unraveling the Mystery of Stepper Motor Technol Electromate Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: Embed: Flash iPad Copy Does not support media & animations WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 64 Category: Science & Tech.. License: All Rights Reserved Like it (0) Dislike it (0) Added: December 20, 2011 This Presentation is Public Favorites: 1 Presentation Description Nippon Pulse America- Unraveling the Mystery of Stepper Motor Technology Presentation Comments Posting comment... Premium member Presentation Transcript PowerPoint Presentation: NPM Unraveling The Mystery of Stepper Motor Technology Jeramé Chamberlain Nippon Pulse America, Inc., USA Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM What is a Open Loop Stepper Motor System? What Are Stepper Motors? How Do Stepper Motors Work? Troubleshoot & Test Stepper Motors Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Basic Stepper Application Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Stepper Motor Coil PHASE A S N PHASE B ● S N PHASE B Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 PHASE A www.electromate.com sales@electromate.comPowerPoint Presentation: NPM PHASE B PHASE A S N ● S N One Phase Step Sequence PHASE B PHASE B STEP 1 PHASE A N S PHASE B STEP 2 PHASE A PHASE A Two Phase Stepper Motor PHASE A PHASE A N PHASE B PHASE B PHASE B S N PHASE B S Sold & Serviced By: TEP 4 STEP 3 ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.com PHASE A PHASE APowerPoint Presentation: NPM Types of Stepper Motors Permanent-Magnet (PM) • PM rotor & electromagnetic coil Variable Reluctance (VR) • No PM, no residual torque Hybrid – NEMA Sizing • Combined PM & VR Technology Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Cross Section of A Two Phase Hybrid Motor Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM PM & Hybrid Stepper Motors Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Bipolar Coil Winding Each phase is a single winding Current flow and electromagnetic polarity is reverses in the windings Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Unipolar Coil Winding Sometimes called four-phase steppers Current flow and electromagnetic polarity is NOT reversed in the windings. Polarity comes from alternately energized wi Sold & Serviced By: i ELECTRO MATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Motors Need Maintenance Steppers – Not So Much Stalled motors burn up • Steppers operate in stall condition Most brushes go bad • Steppers are brushless All bearings go bad • Quality Stepper bearings are rated from 90-100K hours People break them Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com • Hammers don’t fix Steppers sales@electromate.comPowerPoint Presentation: NPM Ohmmeter Test With Steppers Bipolar Always 4 leads Resistance is the same in both windings and both directions Some 8 lead motors can be connected as bipolar Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Ohmmeter Test With Steppers Unipolar 5 or 6 leads Resistance from each phase to Common is the same in both directions If 5 leads, two commons connected Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Unipolar Windings & Wire Colors Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Bipolar Windings & Wire Colors Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Stepper Motor Electronic System CPU, Controller, Sequencer, Driver One or more parts can be combined, Sold & Serviced By: based on motion complexity ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Controller Receives & Coordinates A dedicated controller generates motion profiles that produce smoother Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Controller Manages & Interpolates Some controllers provide interpolation between motors to produce smooth XYZ motions – CNC Machines Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Two Outputs Types to Sequencer Pulse & Direction – Speed & Rotation CW/CCW – Speed & Rotation Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM One Controller – Two Output Types Pulse & Direction – Speed & Rotation CW/CCW – Speed & Rotation Pulse & Direction is the most common format used in the USA PCL6045B can output both formats Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Stepper Motor Sequencers Sequencers read speed and direction from controller and deliver excitation sequence to the driver Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Bipolar Stepper Drivers When Q1a and Q4a (green) are on, current flows in one direction When Q2a and Q3a (red) are turned on, current flow is reversed Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Unipolar Stepper Drivers Half the drive electronics of bipolar, and 30% less torque However, unipolar coils allow a higher pulse rate than bipolar, before becoming Sold & Serviced By: saturated. ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Constant Current - Constant Voltage Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Current Lags Voltage in an Inductor Torque from stepper motors is generated by current, not voltage PWM or Chopper drive manages current through a switch, applied at higher voltages to induce more winding current Chopper delivers more Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Half Stepping A Stepper Motor Easiest way to accomplish half stepping is by using 1-2 phase excitation Divides a stepper’s full step angle by two 7.5 ° /2 = 3.25 ° per half step 30% loss of torque depending on step rate when compared to full step Winding is not energized during each alternating half step Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM PHASE B PHASE A S N ● S N Half Stepping Sequence PHASE B PHASE B STEP 1 PHASE A N S PHASE B STEP 3 PHASE A PHASE A Two Phase Stepper Motor PHASE A PHASE A N N PHASE B N S PHASE B PHASE B S N PHASE B S S Sold & Serviced By: TEP 4 STEP 2 ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.com PHASE A PHASE APowerPoint Presentation: NPM Microstepping A Stepper Motor Full step can be broken into as many as 512 parts Current is limited through each winding. Unequal pull on the magnet means it moves toward the weaker winding Torque falls rapidly as speed increases Steps are not constant for positioning Microstepping should only be used for Sold & Serviced By: smooth movement. ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.comPowerPoint Presentation: NPM Combined Sequencer & Translator Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.com