22-11-2012, 06:33 PM
PROCESS CONTROL COMPUTERS AT DURGAPUR STEEL PLANT’SBASIC OXYGEN FURNACES
PROCESS CONTROL COMPUTERS.ppt (Size: 512 KB / Downloads: 34)
OBJECTIVES
HELP REDUCE PROCESSING TIME
MONITOR PROCESS IN REAL-TIME
HELP INCREASE IN PRODUCTIVITY
ACHIEVE ‘C’ / TEMP. HIT RATE %
MANAGEMENT INFORMATION SYSTEM
ENSURE QUALITY OF PRODUCT
AUTOMATION LEVELS
LEVEL 0 - FIELD INSTRUMENTS /SENSORS CAPTURING ANALOG AND DIGITAL DATA.
LEVEL 1 - BASIC AUTOMATION SYSTEM HAVING A SUPERLOOP OF TWISTED PAIR CABLE CONNECTING PCUs, WSAs , CIUs.
LEVEL 2 - VAX 3300 SYSTEMS ONE FOR EACH CONVERTER; CONNECTED TO CIUs OF LEVEL 1 & COLLECT DATA FROM
LEVEL 1 AND PASS SET POINTS.
LEVEL 3 - VAX 3800 CLUSTER CONNECTED TO LEVEL 2.
SYSTEM SOFTWARE
OPEN VMS 5.5-2
VAX FORTRAN, DECNET, DECFORMS, GKS, TCP/IP, ORACLE RDB, VOLSHAD, CLUSTER MONITOR
MODAS ( Case Tool )
APPLICATION SOFTWARE
DIALOG BASED & BACKGROUND PROGRAMS
L II CONVERTER SPECIFIC SOFTWARE
L II TEE,CCP,LTS,VAD SPECIFIC SOFTWARE
L III ( Scheduling, Tracking )
L II TO L III AND L III TO LIV COMMUNICATION S/W