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Reno, Nevada - June 11, 2008
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  1. Reno, Nevada - June 11, 2008 12th US/North American Mine Ventilation Symposium • “Atmospheric monitoring systems for very large mines” by Albert E. Ketler, PE President

  2. Large mining operations demand -- • Long distance communications • Fast data and control response • Highest safety and reliability • Ease of installation and maintenance • Longest-life sensors • MSHA approvals, in depth • World-class computer software • Immaculate field telemetry hardware • Little or no • Lowest cost of ownership • Emergency stop (pull-key) monitoring • Full line of spares, sensors, alarms and accessories -- in stock! • Fast repairs; training and support

  3. Translation -- A high priority • Long-distance, high-speed, reliable, data communications

  4. Data Communications Rel-Tek’s first generation technology; ‘91 - ‘96

  5. Enter the “Link” Card • Rel-Tek’s second generation; ‘96 - ‘07

  6. Latest B-LINK Repeaters • Rel-Tek’s 2008 communication technology The “B-LINK” “DX-LINK”

  7. No need for costly optical fibers Handles 20-mile mines at 19.2KB with inexpensive twisted-pair cables The “BLINK”

  8. Fast response “Flash Telemetry TM” • Millennia-FT ~ Version 7.0, PC software and advanced field I/O hardware -- developed for very large coal mines ~ • Performance test: • A longwall coal mine running Millennia-FT with 340 sensors, 180 switches and 180 controls, communicating for 20-miles on low-cost twisted-pair cables ~ with multiple 3-mile branches The monitoring and control execution cycle time Previous 45 sec cycle time was cut to just 3.4 seconds. That’s 113 data registers per second.

  9. “FT” can avoid optical fibers Hey Purchasing, Cancel that fiber order! Millennia-FT™ (Flash-Telemetry) permits use of twisted-pair cables to 20-mile distances. Millennia is “hard coded” C++ programming that is very fast. Millennia-FT™ runs on Windows or Linux. Modbus interfacing is available. Twisted-pair cable enables low cost installation, easy troubleshooting and simplistic maintenance.

  10. Master Century Mine Beallesville, OH 7.6 miles

  11. Monterey Coal 7.6 miles

  12. Typical Millennia-DX Graphics

  13. Flash Telemetry -- fast and sure Results of a 13-hour test • Diagnostic screen for one of 68 addresses in this test Accuracy: • Even one error would be -- 99.99996% reliability • Such an error would be detected and corrected and repeated. • Zero data errors, 100% reliability Speed: • 18.4 addresses polled per second • Each DX4404 card address included 4-AI, 4-DI and 4-DO • Throughput of 220 data points per second

  14. Unique System Features • High-speed intuitive graphics • Data and alarm logging • Graphic control sedtup • Fast ES pull-key monitoring is standard with Millennia-FT™. • Add a hot-standby computer for instant, no-glitch switch-over if PC fails. • Include LAN workstations, automatic sensor calibration, data-logging, lightning protection and scheduled report printout. • New Flash-TelemetryTM at 19.2KB over 20-mile twisted-pair arrays is now standard. • Automatic file menagement • Scheduled report printout • Fiber interfacing is available, if ever needed.

  15. Central Station Computer and Software • Processor: 2.6+ GHz, dual core, Windows XP -- or Linux • 250 GB Hard Drive, ample for data logging • 19.2KHz DX-BUS driver for long distance and branching • Ethernet and Internet links • Software -- Rel-Tek’s own, world-class “Millennia-FT” • Unlimited screens and tags; setup tools included • Intuitive programming; professional graphics, animation • Sound: alarm announcements over the pager-phone • Scheduled report printout • Integrated MagiKal with rate-of-change utility • Cabinet or wall-mounted PCs, filtered ventilation • Networking for remote workstations • Add hot-standby computer; with auto-switchover • DX-B-LINK, 20-mile communication distances

  16. Wall-Mounted Computers • Robust for mine environments • Same computer specs and capabilities • 19” LCD monitor, see-thru window • Sliding keyboard and mouse • 24x28x8” NEMA-12 panel; lockable • Wall size viewing options • Filtered ventilation • Interactive UPS • High-speed DX-Bus/FT telemetry • Remote workstations via LAN • Ethernet and Internet data links • Full capability for MagiKal

  17. Distributed intelligence PLC-Express® -- Gold (DX8884) and Platinum (DX8F44F) • 8-analog inputs • 16 digital inputs • 4 analog ouputs • 4 digital outputs • 16 configurable DI or DO • Monitors over DX-FT-Bus to central PC; alarms and display and logging • Sub DX-Bus branches to 12-DX2202 or 12-DX1000 I/O cards within 1-mile distance • Includes MagiKal utility • Re-configure controls via download from Millennia-FT

  18. Millennia-FTTM Software • Design any number of screens • Graphic setup tools are incuded • Customize graphics for efficiency, safety and appeal • Import logos and bit-maps, pizzaz • Icon library: standards, plus meters, charts, graphs, slide bars • Text and popup messages • Copy, paste, align -- tools for a professional look. • Custom math manipulations • Lookup tables • Animation

  19. MagiKal can double sensor life -- Yeah, Right! • We use 12-bit (.0244%) resolution • Amplifies tiny .8ma from sensor to generate full scale (4-20ma) 8-bit output • Keeps old sensors in service well past retirement age

  20. Simplified data logs • Sensors are assigned to sensors to logical groups. • Logs significant changes • Select viewing datges and times without typing: click on today, yesterday, this week, last week, this year, last year • View groups of 8 at a time • Magnify by dragging cursor using time and value shown in inset. • Jog, slew and print; no typing • View, sort and off-load raw data files to Excel

  21. Modular field I/O telemetry hardware handles mine expansion • Long distances -- to 20 miles on low-cost twisted-pair wires • High speed data transfer at 19.2KB • FlashTelemetry, quick cycling • Convertible to fiber backbone • Eight types of field I/O cards • Expand to 253 main addresses and 3,789 sub addresses • 12-bit analog resolution • Dry-contact switch inputs • 220V/10A relay contacts • 12-bit analog outputs • Communication accessories: drivers, BLINKs (master/slave), converters, radio links, fiber links • Really serious lightning protection • IS barriers and barrier systems

  22. Al Ketler: Temp We manufacture all types of sensors Over 100 MSHA approval actions on file Air Velocity RH CO2 CO Smoke

  23. Blue outstations • Integrated MSHA barrier boxes • Instantly converts Red OS to Blue status • Dual-channel I.S. Barriers; MSHA-Classes G, H and L • 3-15 sensor capacity • Power circuit barriers, classes 600V and 3000V • Fast installation, diagnostics and visibility • Short circuit protected; no fuses to replace • Amplifiers for driving high impedance PLCs BB/5S barrier box for mining BlueBaby® Dual Channel IS Barriers

  24. Automatic gas sensor calibration • Pioneering products for cutting cost and enhancing safety • MagiKal is our flagship system providing fully automatic, hands-off sensor calibration • Includes full calibration time stamps and logged documentation • Grqaphic displays of each sensor cal-trends • Small or large systems -- one sensor or a thousand • Saves big -- on labor, cal-gas cost and even extends the life of your sensors • Low pressure gas tanks for additional safety. • Computer scheduling -- monthly, weekly or daily -- and it never forgets! Small, inexpensive tanks handle a sensor or two for a year or more. Two large tanks handle a hundred sensors for a year

  25. MagiKal “Report Generator” • Shows each sensor calibration trend in color • Shows the health of sensor • Flags problem areas • Helps avoid shutdowns • Documents calibration events for archives • Prints out history to focus maintenance efforts

  26. ToxiGard -- High Precision, Self Calibrating Sensor • Monitors CO in compressed air for SCUBA and SCBA refill stations • Fire departments, diving centers, emergency rescue operations • Settable trip-point alarm relays • Optional strobe and horn alarms • Includes MagiKal II automatic calibration utility (patents pending) • Calibrates itself to +/- 1% on preset schedule, on startup, or anytime... on pressing the Cal-Now button • Sufficient cal-gas for about 30 calibrations; Easy-change tanks • Monitors cal-gas pressure to assure adequate supply

  27. Las Vegas Transit 100% system testing 21 interconnected panels

  28. The bottom line... • Truly advanced technology • Rock solid reliability, especially communications • Modular buildup • Start small and expand • Never outgrow your system • Fast data scan cycle • Over 100 MSHA approval actions • Free factory training • Remote diagnostics and support • Quarter century of experience • Proven in small and large mines • Rel-Tek’s quarter-century of experience

  29. Post-Disaster Monitoring Seal Monitoring • Pressure • Methane • CO • Oxygen Borehole Monitoring • IS borehole capsule • All gases plus temp and smoke • Light, sound • Voice • Caplamp charging Oxygen Cache Stations • All gases, plus temp, pressure and smoke • 48-hr operation, • IS loop communication to surface computer

  30. Rel-Tek ®Corporation 610 Beatty Road Monroeville, PA 15146 USA Phone 800-RT-EXACT (800-783-9228) 412-373-6700 Fax 412-373-6703 email <sales@rel-tek.com> Web site <rel-tek.com> Engineering and training facilities near Pittsburgh, PA USA

  31. Ahead, way ahead! • Thanks for your attention! • Al Ketler