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Preferred Utilities Manufacturing Corporation

Founded in 1920, Preferred Utilities Manufacturing Corporation specializes in engineering combustion and fuel handling products for power plants across industrial, institutional, and commercial sectors. Our core competence lies in combustion control systems including single boiler remote controls, SCADA integration, and reliable communication networks. We provide intuitive remote control systems that ensure efficient operation and monitoring. Our tailored solutions enhance efficiency and safety, ensuring your power plant operates at optimal performance.

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Preferred Utilities Manufacturing Corporation

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  1. Preferred Utilities Manufacturing Corporation

  2. Preferred Utilities Manufacturing Corp. • Introduction • Architecture • Communication Networks • Operation Workstation • Summary

  3. Preferred Utilities Manufacturing Corp. Founded in 1920 and in continuous operation since then. We are an engineering - based manufacturer of combustion and fuel handling products for industrial, institutional, and commercial power plants. Our Core Business is Combustion Control.

  4. Single Boiler Remote Control Pre-wired Combustion Control/ Flame Safeguard Control Cabinet SCADA/Flex System Integrated Flame Scanner and Oxygen Analyzer!

  5. Single Boiler Remote Control Simple Local Control with Expanded View Remote Control Two Controllers shown as Five (5) “Faceplates”

  6. Multiple Equipment Control System

  7. “Intuitive” Remote Control

  8. “Intuitive” Remote Control

  9. Distributed Control System: Local Control Network (Modbus) PCC-III Controllers • Multiple, physically separated, controller and/or I/O nodes • Controllers and I/O nodes may be located close to the process being controlled • Multiple remote operator workstations • Reliable, high speed communications network • Loop Controllers can be used as backup control station if the workstation, or communication network breaks down

  10. Distributed Control System: Redundant Workstations Local Control Network (Modbus) PCC-III Controllers

  11. Distributed Communication Network RS-485 Modbus…. • High Speed: 1200-38,400 baud • Mode: ASCII or RTU • Medium: 3 wire shielded cable, up to 4000 ft in length • RS232/RS485 Converters: Used to interface to SCADA workstation communication ports

  12. Typical Communication Network Slower Comm. Speed BMS Equipment Networked On A Separate Highway

  13. Input / Output Flexible…. Supporting over 7,000 words of I/O Data Some Typically Networked Items: Allen Bradley Data Highway Allen Bradley SLC 500 Cleaver Brooks Hawk Fireye E300/E100 GE 90-30, 90-70 Honeywell 7700/7800

  14. Remote Monitoring Flexible…. Dedicated Phone Line Control of Multiple Locations Alarm Pager: Monitors Alarms and events for any location

  15. Operator Workstation Features…. • Intellution iFix™ • Centralized Boiler Control • Data Acquisition • Alarm Monitoring • Historical Trending • Boiler Tuning • Reports

  16. Smart, Central Boiler Control

  17. Smart, Central Boiler Control

  18. Smart, Central Boiler Control

  19. Alarm Management

  20. Smart, Central Boiler Control

  21. Smart, Central Boiler Control

  22. Data Acquisition

  23. DataAcquisition

  24. Historical Trending

  25. Historical Trending

  26. Boiler Tuning

  27. Meaningful Reports • Total steam generated by the plant and each boiler • Total fuel used by the plant and each boiler • Average cost of steam • Efficiency of the plant and each boiler • Heating degree days for the reporting period • Make-up water flow in pounds and also as a percent of steam flow • Hours of operation for each boiler • Steam flow to each of the distribution headers • All reported for the shift, day, month, and year day, or shift depending on the report being generated.

  28. Meaningful Reports

  29. Preferred’s DCS Summary SCADA/Flex is a…. • Distributed Control System with Loop Controller local control security • Integrated controls system, compatible with other systems and control components • Incorporates a Boiler Room Focus and Experience

  30. Preferred Utilities Manufacturing Corp For further information, contact... Preferred Utilities Manufacturing Corporation 31-35 South St. • Danbury • CT T: (203) 743-6741 • F: (203) 798-7313 www.preferred-mfg.com

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