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D rives & C ontrols S ervices, Inc.

AccuWeigh. Production Monitoring System. ™. D rives & C ontrols S ervices, Inc. Quality Mining Services. D rives & C ontrols S ervices, Inc. Electrical Troubleshooting Electrical Tuneups & Audits Static Motor Field Exciters Static Generator Field Exciters Excavator Startups

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D rives & C ontrols S ervices, Inc.

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  1. AccuWeigh ProductionMonitoring System ™ Drives & ControlsServices, Inc. Quality Mining Services

  2. Drives & ControlsServices, Inc. • Electrical Troubleshooting • Electrical Tuneups & Audits • Static Motor Field Exciters • Static Generator Field Exciters • Excavator Startups • PLC Modifications • Boom Tightline Systems • Excavator Data Acquisition Systems • Dragline/Shovel Payload Systems

  3. Offices • USA • Tyler, Texas • Bogata, Texas • Heath, Texas • Henderson, Texas • Jasper, Alabama • Montgomery, West Virginia • Tornado, West Virginia • Casper, Wyoming • Gillette Wyoming • Dubois, Wyoming Edmonton, Alberta, CAN Emerald, Queensland, QLD Mackay, Queensland, QLD

  4. AccuWeigh™Introduction • Real-time Access to Information • Increase Productivity • Reduce Maintenance • Prevent Overloads

  5. PLC Based • Integrated directly with machine control system… NO BLACK BOXES • No proprietary equipment • “Off-the-Shelf” hardware • Industrial durability • High Availability • Low Maintenance Training • Simplified Troubleshooting

  6. A-B PLC (PLC5)

  7. A-B PLC (SLC500)

  8. Unprecedented Accuracy • 20 parameters are measured and stored on a cycle or truck basis • Sampled at 20-50 times a second • Error correction • Tightline • Acceleration • Motor field variation • Loop Unbalance • Highly accurate position resolvers are more accurate and durable than older encoder technology

  9. Position Resolver

  10. Flexible Operator Interface • Any PLC interface terminal • AccuWeigh™ standard panel • PC touch screen using RSView • 12 Inch VGA • Readable in direct sunlight

  11. Easy Access to Information • Data is collected and stored in a non-proprietary database • Retrieved manually from machine • Optional- telemetry to mine office • “Data Packet” provided to mine dispatch systems

  12. Sample Block Diagram

  13. How It Works Cycle Detection Payload Weighing Write To Database

  14. Cycle Detection Bucket in Dump Zone or Dipper Trip Bucket Dump Hoist Position Swing Back to Cut Hoist or Drag Torque is High Dig Detection Swing Speed (shovel) Hoist Speed (dragline) Swinging to Dump Weigh Load Bucket Dump

  15. Payload Weighing HOIST MOTOR AMPS MOTOR FIELD WEIGHT ON ROPE VERTICAL COMPONENT WITH DRAG/CROWD INFLUENCE HOIST ROPE PULL LOTS OF TRIGONOMETRY HOIST POSITION DRAG/CROWD POSITION DRAG/CROWD POS. DRAG/CROWD POSITION COMPENSATION HOIST VELOCITY ACCELERATION COMPENSATION DRIVETRAIN EFFICIENCY CORRECTION SUBTRACT THE EMPTY BUCKET WEIGHT SCALED WEIGHT IN POUNDS

  16. Write To Database AccuWeigh Database Dispatch Database Bucket Dumped Signal from PLC Truck Loaded Signal from Dispatch Read Data Parameters from PLC to PC Write Data from PLC to Dispatch Write Data to Database Transmit Data via Dispatch Telemetry Transmit Data via Telemetry

  17. Increased Productivity • Spot performance trends with excavators and operators • Operator Performance • Excavator Performance • Excavator Faults • Operators receive immediate feedback from operator interface system • Timely feedback for operators and management is essential to increasing performance and productivity

  18. Powerful Reporting Tools • Web Based Reporting • Viewable from a standard web browser • Can be exported to Excel • E-mail reports on a schedule • Quick-pick, one-touch reports • Custom configuration of reports • Site specific reports available

  19. Downtime Detection • AccuWeigh system detects downtime and prompts operator for a reason • Productive, Down, and Delay time is accounted for and reported in AccuWeigh Database

  20. Alarm and Trip Reporting • Optional alarm and trip database • Tracks time and duration of specific alarms from PLC • Allows tracking of faults and identifies maintenance problems and trends • Allows faults to automatically enter down codes into machine chronology report

  21. Blasting Effectiveness • Tracking bucket fill energy, bucket fill time, and load weight • Allows dig index creation energy/ton that can be tracked by time or machine location • Evaluate blasting patterns and practices

  22. Unparalleled Support • 24 hours - 7 days a week worldwide • Telemetry allows upgrades and improvements to be installed remotely • Not limited to AccuWeigh • PLC troubleshooting • Remote X-Y for regulator performance

  23. Thank You Drives & ControlsServices, Inc. Quality Mining Services

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