300 likes | 380 Views
Preferred Utilities Manufacturing Corporation. Preferred Utilities Manufacturing Corp. Introduction Architecture Communication Networks Operation Workstation Summary. Preferred Utilities Manufacturing Corp.
E N D
Preferred Utilities Manufacturing Corp. • Introduction • Architecture • Communication Networks • Operation Workstation • Summary
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.
Single Boiler Remote Control Pre-wired Combustion Control/ Flame Safeguard Control Cabinet SCADA/Flex System Integrated Flame Scanner and Oxygen Analyzer!
Single Boiler Remote Control Simple Local Control with Expanded View Remote Control Two Controllers shown as Five (5) “Faceplates”
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
Distributed Control System: Redundant Workstations Local Control Network (Modbus) PCC-III Controllers
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
Typical Communication Network Slower Comm. Speed BMS Equipment Networked On A Separate Highway
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
Remote Monitoring Flexible…. Dedicated Phone Line Control of Multiple Locations Alarm Pager: Monitors Alarms and events for any location
Operator Workstation Features…. • Intellution iFix™ • Centralized Boiler Control • Data Acquisition • Alarm Monitoring • Historical Trending • Boiler Tuning • Reports
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.
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
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