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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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AccuWeigh

ProductionMonitoring System

Drives & ControlsServices, Inc.

Quality Mining Services


D rives c ontrols s ervices inc l.jpg
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


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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


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AccuWeigh™Introduction

  • Real-time Access to Information

    • Increase Productivity

    • Reduce Maintenance

    • Prevent Overloads


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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




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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



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Flexible Operator Interface

  • Any PLC interface terminal

  • AccuWeigh™ standard panel

    • PC touch screen using RSView

    • 12 Inch VGA

    • Readable in direct sunlight


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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



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How It Works

Cycle

Detection

Payload

Weighing

Write To

Database


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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


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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


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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


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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


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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


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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


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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


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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


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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


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Thank You

Drives & ControlsServices, Inc.

Quality Mining Services


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