Print

DCS System (TWiD-10000)

DCS

Introduction

TWDCS is a DCS(Distributed Control System). This system integrates high-performance software technology, measurement control technology and high data-communication technology to realize downsizing and openness, which are the worldwide trend in information, control and measurement system. It also incorporates HMI(Human Machine Interface) for the convenience of user.

  • Real-time process minotoring and control system combined with the latest control theory, software and hardware.
  • Monitor and control efficiently the widespread and large scaled industrial facilities.
  • Real-time online batch process
  • Open system architecture
  • Applicable to Windows O.S
  • Works on client-server architecture
  • Convenience of manipulation
  • Redendant system for reliability
  • Flexible configuration
  • Simple engineering
  • Support interfaces between dissimilar equipments
  • HMI Package usage(PCMS, iFIX, AUTOBASE, etc)
  • System extension and easy upgrade
  • Support Hangul and GUI (Graphic User Interface)

Feature

  • High-performance hardware
    • Provide stable performance by the latest hardware
    • Execute fast monitoring and complex control logic by choosing 32bit CPU into a control station
  • Multi Operator Interface
    • Real-time data monitoring and control
    • Provide multi-screen/multi-windows
    • Systemized builder
    • Interlock all real time data vai WEB-based
  • Engineering
    • Database
    • CAD-based graphic editor
    • Interlock with Microsoft Excel
    • Provides the control program and screen
    • Simulation test function
  • Open architecture
    • Operation system : Windows
    • Transmission interface : IEEE 802.3 ethernet
    • RCS standard bus : VMEbus
    • Supports IEC 61131-3
    • On-line or off-line data management by a relational database
  • Stable system of multi structure
    • Support parallel operation and area segmentation
    • Dual CPU, MPU, communication and power per a RTU

Configuration

TM/TC

COS (Central Operator Station)

DCS

Feature

  • Monitoring and Control
    • Monitor plant alarms
    • Display alarm help
    • Display alarm list
    • Buzzer and voice alarm output
  • Printing
    • Report(day, week, month, year)
    • Alarm and operational message
    • Content print of operator
    • Hard copy of screen
    • Interlock with Microsoft Excel
  • Storage
    • Trend (Historical, Real-Time)
    • Report(day, week, year report)
    • Alarm and event
  • Engineering
    • Input and modification of database
    • Report creation
    • Creates process graphic screen
  • Data Connection
    • Connect on-line, off-line data with WEB
    • Connect commercial DB with database

Components

  • Workstation or Server Computer
    • CPU : Min Pentium IV or Intel Xeon, 2.4GHz
    • Memory : Min 512MB
    • HDD : Min 36GB
    • CD-ROM : Min 48X
    • LAN : 10/100 Ethernet, Max 4 ports
    • O.S : Windows
  • Input
    • Mouse
    • Keyboard
    • Functional keyboard
  • Output
    • Report Printer : Laser, A4, A3
    • Alarm Printer : Dot matrix, 136 column
    • Color Printer : Inkjet or color laser
  • Data Backup Unit
    • DAT
    • CD-RW
    • MOD
  • System Capacity
    • Max Connection Node : Max 255 nodes
    • Max monitoring & control point : 65,535points

RCS(Remote Control Station)

DCS

Introduction

  • Wide controllability
    • Communication controller : 32bit micro processor
    • Communication through data line with a COS, LOS and EWS
    • Interlock function and continuous operation, if communication can’t connect with upper system
    • Supports widespread control such as continuous control sequence control, feedback control, etc.
    • Supports international stndard IEC 61131-3
    • Switch communication auto or manual by the status of commnication
    • Support optimal system and a system extension can be easily done according to a control target
    • On-line real-time monitoring and control
    • Optimal arithmatic function with control scale and computing speed
    • SOE(Sequence Of Event)
    • Remote I/O
  • High Reliability
    • Dual CPU, MPU, communication and power modules
    • Support operation between RCSs, if an upper system fails
    • Self operation by an internal program
    • Minimizes effect on a system by partial failures
    • Detailed diagnosis and monitoring of each module with built in self-diagnosis function

Components

  • Main Control Unit
  • Communication Unit
  • SIO(Serial Input/Output) Unit
  • I/O(Input/Output) Unit
  • I/O Interface Unit
  • Power Unit

Feature

  • Centralized and remote monitoring/control
  • Input/output and data sender/receiver
  • Constant-value control, cascade control, feedback control, ratio control, program control
  • Bound-pair setting of analog : check the bound-pair set point of analog data
  • Switching
  • Discrete Input/Output
  • Analog Input/Output
  • Integration
  • Inner flag : status memory flag for control calculation
  • Pattern control : output control according to input pattern
  • Various logic control
  • Timer and counter
  • Restart fo Hardware and Software
  • PID Control
  • Sequence Control(IEC 61131-3 Based ISaGRAF)

GWS(Gateway Station)

DCS

Feature

  • Wide Controllability
    • Communcation controller : 32bit micro processor
    • Relay communication between an upper system and a slave
    • Supports wired or wireless communication with slave
    • Switch communcation auto or manual automatically as communication with slaves
    • Download from a COS
    • The extension of SIO module, Max 64 slaves
    • Support oprimal arithetic operation according to control scale
    • Support RCS function like I/O module installation
    • Protocol changeable(Serial, Ethernet)
  • High Reliability
    • Dual CPU, MPU, communication and power per a RTU
    • Manage the error rate of a minute, hour, day, week unit per a port and a RTU and monitor communication status
    • Self operation by an internal program
    • Redundant communication with a upper system
    • Detailed diagnosis and monitoring of each module with built in self-diagnostic function
    • SOE(Sequence Of Event)

Components

  • LAN Interface
  • CPU Unit
  • SIO(Serial Input/Output) Unit
  • I/O Unit
  • Power Unit