Field Control Station
· High Reliability
- Pair and Spare redundancy
· Input and Computation of Floating-Point Data
· Reduced wiring costs through Remote I/O
· Standard Function Blocks (PID, Seq. Table, Logic Charts, SFC, etc.)
· High capacity due to RISC Processor
· Direct Connection of Subsystems
Application Size of FCS
FCS Optional Software Package
Pair and Spare Redundancy
§ Error detection improvement
§ Bumpless Transfer ( Control Computation is always proceeding on standby side )
§ Memory + ECC
Installation Control Cabinets
Control Signals
· Single Loop Integrity
· Free arrangement of Inputs and Outputs
· Reduction of spare parts
· No signal conditioners required
· Modules configurable from engineering platform
I/O Level Redundancy
· Analog Input: Dedicated Function Block
· Analog Output: Additional Output Card
· Current/Voltage Input
· mV, Thermocouple, RTD Input
· Pulse Input
· Current/Voltage Out
· Field bus (future)
· Voltage Input
· mV Input
· RTD Input
· 2-wire transmitter input
· 4-20 mA Output
I/O Module (2)
· 16 -pt. Input (isolated)
· 16 -pt Output (isolated)
· 32 -pt. Input
· 32 -pt. Output
· 16 -pt. Input
· 16 -pt. Output
I/O Module (3)
· 16 -pt. Input (isolated)
· 16 -pt Output (isolated)
· 32 -pt. Input
· 32 -pt. Output
· RS-232C
· RS-422
· RS-485
Engineering
Off line engineering without Target Hardware
Choice of Engineering Environments
Configuration Testing
Control Area, Control Block
· P&ID Compatibility
· Control Block (Max. 4096/FCS)
· Control Drawing (MAx. 255/FCS)
· Control Area (Max.8/FCS)
Control Area’s
· Control function loading, builder operation and test operation can be done on each control area.
Control Drawing
· Function blocks of regulatory control and sequence control can be on the same drawing
· Free to exchange signal between drawings
· Loop configuration and function blocks can be registered as a module.
· The control drawing can be displayed on the operator station dynamically
Faceplate Block
· Providing a faceplate per compound block control for operators
Internal Data (1)
Ø Feature
· Processed as engineering unit data in system
Ø Purposes
· to process data in standard format (Floating-point format as specified by IEEE754)
· to improve arithmetic precision
· to eliminate normalized numbers
Ø Data flow
· Process Input : Engineering unit conversion data at input module
· Between function block : Engineering unit data transmission and receiving
· Calculation in function block : Engineering unit data
· Process Output : 0-100% data
Internal Data (2)
Function Blocks
Control Block Library
Regulatory Control Block
· Input Processing
· Square root extraction
· Pulse train input
· Digital filter
· Totalizer
· PV overshoot function
· Calibration
· Alarm Processing
Control Block - PID
· Control calculation processing
· Control algorithm (PID)
· Nonlinear gain
· Control output action (velocity type, positional type)
· Direction of control action (positive or negative action switching)
· Reset limiter
· Dead band
· Control Period
· I/O compensation
· Input tracking
· Set point limiter
· Set point pushback
· Bumpless switching
· Initialization manual
· Control hold
· MAN fallback
· AUT fallback
· Computer backup
· Mode conversion interlock
· PRD mode action
Regulatory Control Block - MLD Manual Loader Block
· Output processing
· Output signal conversion
· Output limiter
· Output velocity limiter
· Output tracking
· Output range tracking
· Manipulated output index
· Pulse width output
Regulatory Control Block - Batch Set Block
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