cs3000 operation with ffcs
TRANSCRIPT
Yokogawa Electric Corporation
2-9-32 Nakacho, Musashino-shiTokyo, 180-8750JAPAN
<ISD-MASP-S03054> Yokogawa Electric CorporationCopyright © by Yokogawa Electric Corporation<March 2, 2009>
Distributed Control System
TRAINING CENTRE
YOKOGAWA INDIA LIMITED
YOKOGAWA
TRAINING CENTRE
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Basic Loop
Controller
I/P
Transmitter
I/P Convertor
PV MVSV
4-20 mA
4-20 mA
Pneumatic Signal(0.2 to 1 Kg/cm2 or 3 to 15 psi)
Final Control Element
Basic Control Loop
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Process Control Systems
Process control systems are classified into
Analog Control Systems
Digital Control Systems
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Analog Control System
Signal Conversion
I/P4-20 mA DC
1 to 5V DC
Operational Amplifier
Set Point
Final Control Element
Transmitter
Analog Control System
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Digital Control System
I/P4-20 mA DC
A / D
1 to 5V DC
D / A
DigitalOutput
Unit
Input Unit
Memory Unit
ControlUnit
ArithmeticUnit
Set Point
Processor
Digital Control System
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Digital Control System
Digital Control Systems are further classified into
Centralized Control Systems
Distributed Control Systems
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Centralized Processing
UnitCPU
Centralized Control System
Input Signals from Field
Set Points
OutputSignals to Field
Centralized Control , Centralized Monitoring
PV1
PV2
PVn
PV3
MV1
MV2
MVn
MV3
SV1 SV2 SV3 SVn
Centralized Control System
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Centralized Control System
Drawbacks Of CCS:
If the CPU fails the entire plant gets affected.
Redundancy concept was not available.
Redundancy is having two controllers. One would be active and the other would be standby. If the active controller fails, the standby controller takes over.
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Distributed Control System
Input Signals from Field
Distributed Control Centralized Monitoring
Set Points
Communication Bus
Output Signals to Field
MV1
MV8FCS
PV1
PV8SV1 SV
8 MV9
MV16FCS
PV9
PV16
SV9 SV16
MV17
MVnFCS
PV17
PVn
SV17 SVn
OPS
OPS
Distributed Control System
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Basic Components of DCS
FCS (Field Control Station):Used to control the process. All the instruments and interlocks created by software reside in the memory of the FCS. All the field instruments like transmitters and control valves are wired to the FCS.
OPS (Operator Station):Used to monitor the process and to operate various instruments.
Communication Bus:Used to communicate between the FCS and the OPS
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Advantages of DCS
Control function is distributed among multiple CPUs (Field Control Stations). Hence failure of one FCS does not affect the entire plant.
Redundancy is available at various levels.
Instruments and interlocks are created by software.
Generation and modifications of the interlocks are very flexibleand simple.
Information regarding the process is presented to the user in various formats.
Field wiring is considerably less.
Maintenance and trouble shooting becomes very easy.
Cost effective in the long run.
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DCS Evolution
CENTUM was released in 1975 as the world-first DCS (Distributed Control System), and has been progressed.CENTUM CS 3000 is the latest Yokogawa DCS.
From ’98 (1458 Systems)
CENTUM/CENTUM V
CENTUM-XL
CENTUM CSFrom ’93 (2113 Systems)
From ’88 to ‘00 (1703 Systems)
From ’75 to ‘93 (1983 Systems) As of March ‘03
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CS3000 - System Configuration
CS, CS 1000CENTUM-XL, -V
MXL
BCV
CGW
Remote Domain System
V net
HIS
ooo
PFCS
LFCS
Ethernet
HIS / ENG
FFCSKFCS
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CENTUM CS 3000 - Major Components
• FCS (Field Control Station)• Reliable controller.• Cost-effective and capable I/O subsystem.
• HIS (Human Interface Station)• The operator station based on Windows XP or Windows2000. (Both
are selectable.)• HIS provides easy & flexible operation.
• ENG (Engineering Station)• Engineering Station is used to do the engineering builder for all the
stations like HIS, FCS, CGW, BCV etc. ENG is a PC loaded with Engineering software.
• The HIS can be loaded with engineering software so that it can be used as HIS as well as ENG.
• CGW: Communication Gateway Unit used to communicate with supervisory computers.
• BCV: Bus Converter is used to link two domains.
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CENTUM CS 3000 - Networks
• V-Net (Communication Bus)• Real-time control bus.• V-NET is a used for communication between HIS, FCS,
BCV & CGW.• Maximum 64 Stations can be connected on the V-net.
• ETHERNET (Communication Bus)• Ethernet is a standard network in CS3000 to connect HIS,
ENG and supervisory computers . • Transmission speed: 10 MBPS
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FFCS Hardware View
Power supply unit
CP401 CPU module
Eight FIO slotsEight FIO slots
EC401 ESB bus coupler(Note)
Note: Two I/O slots are to be used for NIU extension.
AIP504 Vnet coupler (10BASE2 Vnet cable is used.)
Detachable bottom unit
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Hardware Configuration- Local Node
FIO: Max. 8
Local node Max. 3
ESB busESB busUp to 6 Modules
Up to 8Modules
CP40
1CP
401
PW48
X
PW48
X
V netV net
FFCSFFCS
CP40
1CP
401
PW48
X
PW48
X
EC40
1EC
401
SB40
1
PW48
X
PW48
X
SB40
1SB
401
PW48
X
PW48
X
SB40
1SB
401
PW48
X
PW48
X
SB40
1
FFCSFFCS
Minimum ConfigurationMinimum Configuration
Maximum ConfigurationMaximum Configuration
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Hardware Configuration – Remote Node
V netV net
FFCSFFCS
Remote nodeRemote node
Expanded Remote node up to 3
ER busER bus
EB40
1EB
401
EB40
1EB
401
EB40
1EB
401
EB40
1CP
401
CP40
1PW
48X
PW48
X
EB50
1
PW48
X
PW48
X
EB50
1
Remote nodeRemote node
EB50
1
PW48
X
PW48
X
EB50
1
EB50
1
PW48
X
PW48
X
EB50
1
Remote nodeRemote node
Optical Repeater can be usedOptical Repeater can be used
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The Station for Real time Plant Monitoring/Operation
Easy Operation by a mouse, a keyboard etc.
Real time display of Plant Abnormalities.
HIS (Human Interface Station)
Plant Operation by thousands of Graphics
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Types of HIS
DESKTOP HIS:A IBM PC/AT compatible machine is generally used. Apart from the general PC, the Yokogawa PC is also supported. Specifications of the PC HIS Desktop are as follows:CPU : Pentium IV ProcessorMain Memory : 256 MB (Minimum)Hard Disk : 20 GB or moreVideo Display : 1024 x 768 or more, 256 coloursCRT Monitor : Multi Scan 17” monitor or largerSerial Port : RS232C one port or moreParallel Port : One port or moreExtension Slot : PCI slot for V/VL net card, ISA slot for Ethernet cardPower Supply : 200-240V ACBasic Software : Windows NT with Service Pack ,Windows 2000 or
Windows XP
CONSOLE HISThe floor mounted console type HIS comes with 21” monitor which has a touch panel operation. It has an operation keyboard and an engineering keyboard.
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Application Capacity of HIS
Maximum number of tags that can be monitored from HIS : 1000000
Maximum number of windows that can be created per HIS : 4000
Maximum number of Trend Recording Points per HIS : 2304
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V net Communication
Protocol : IEEE 802.4Access Control : Token PassingTrans. Speed : 10 MbpsTrans. Distance : 500m to 20kmMedia : Coaxial/Optical FibreStd. max. length : 185 mMax. length : 20 Km (with optical repeater) 1.6 Km (with coax. repeater)
V net
HISHIS
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V net : Extension Details
HIS HISHIS
OpticalFibre
R
R R
RT
T
OpticalFibre
R
R R
R T
T
Max. 500m Max. 500mMax. 500mMax.15 km
Max.15 km
Overall Max. 20 km
Co-axial CableV net
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Domains are group of stations connected on the V-net. Bus Convertor is used to link two domains. BCV is used to connect CS, CS 1000, CENTUM-XL,CENTUM-V AND MXL to CS3000system
Bus Convertor
HF BUS
EFCD FCS
HIS
ooo
BCV
ooo ooo
Domain connection
EOPS
V-NET
ETHERNET
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Operation Windows
Information regarding the process is gathered as well as monitored by the following Standard Operation windows on the HIS.
• Tuning Window• Control Group Window• Trend Window• Process Alarm Window• Operator guide Message Window• Graphic Window• Overview Window • Process Report Window• Historical Report Window
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System Message Window
These buttons are provided for calling various functional windows on the HIS
Type the TAGNAME to call the instrument faceplate window
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Various windows can be accessed by selecting
the respective icons in theSystem Message Area
These windows can also be accessed by the keys on the Operator Keyboard
SYSTEM MESSAGE AREA ICONS
System Message Area
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Operation Keyboard
Operation KeyboardOPERATION KEYBOARD
All the operations can be performed with the help of the Operation Keyboard. The same
operations can also be performed by touch functions available
on the System Message Area Icons.
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From this window, you can open the following windows.
1. Overview Window 2. Control Window 3. Tuning Window 4. Trend Window 5. Graphic Window 6. Alerm Window7. Operator Guide message
Window
Operation Windows
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Instrument Faceplate Window
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Tuning Window
Select this icon to display the Tool box
Select this icon to display the Tuning Window
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Tuning Window
TUNING WINDOW displays all the Tuning parameters of the instrument.
The Tuning Window is used to set up the alarm setting as well as the loop tuning parameters.
Only the items indicated with a “= “ canbe changed.
Displaying a “Tuning Window”1.Double click on a Tag’s name on a “Control Window” and a faceplate windowwill appear. Select the “Tuning “window icon from the toll box.
2. Select “NAME icon in the System Message Area” then enter the “TAGNAME”.
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Tuning Window
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Mode Status
MAN (Manual)
AUT (Auto)
CAS (Cascade)
PRD (Primary Direct)
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Manual Mode
MANUAL MODE:In manual mode, the MV pointer appears in red colour and the SV pointer appears in yellow colour. MV of the i n s t r u m e n t c a n b e c h a n g e d b y increment/decrement keys or through d a t a e n t r y b o x . T h e S V o f t h e instrument can be changed either by set point change key or using ITEM and D A T A i n t h e d a t a e n t r y b o x .
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Auto Mode
AUTO MODE:In auto mode, the SV pointer appears in red colour and the MV pointer appears in yellow colour. SV of the instrument c a n b e c h a n g e d b y increment/decrement keys or through d a t a e n t r y b o x . T h e M V o f t h e instrument cannot be changed by anymethod.
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Cascade Mode
CASCADE MODE:In a cascade loop the output of the primary controller (MV1) goes as set point of the secondary controller (SV2). The output of the secondary controller (MV2) goes to the final control element. For a cascade loop, the primary controller can be in AUT or MAN mode, but the secondary controller has to be in CAS mode. In cascade mode both the SV and MV pointers appear in yellow colour.
The SV and MV of the instrument cannot be changed.
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Primary Direct Mode
PRD: PRIMARY DIRECT MODEIn a normal cascade loop the output of the primary controller (MV1) goes as set point of the secondary controller (SV2). The output of the secondary controller (MV2) goes to the final control element.
In PRD mode the output of the primary controller (MV1) directly goes to the final control element. The secondary controller is bypassed and cannot be operated.
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Selecting/Deselecting PRD Mode
To select PRD mode:Go to the tuning window of the Secondary controller.Select PRD Icon. Confirm.
To select CASCADE mode:Change the mode status of the secondary controller to CAS.
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Mode Sub Status
IMAN (INITIALIZATION MANUAL MODE)In a cascade loop, if the cascade is broken by tak ing the secondary controller from CAS to either AUT or MAN mode, IMAN appears as the mode sub status of the primary controller. IMAN indicates that– Cascade loop is broken– Primary controller is bypassed – Primary controller cannot be operated due
to SV tracking.
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SV Tracking
SV tracking:The output of the primary controller (MV1) automatically tracks the set point of the secondary controller (SV2) to have bumpless transfer to CAS mode.To bring the primary controller out of IMAN modeChange the mode s tatus o f the secondary controller to CAS. The primary controller will automatically c o m e o u t o f I M A Nmode.
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Clamped Positive
CLP+ (CLAMPED POSITIVE)In auto mode, if MV of the instrument is increased beyond MH value, MV gets clamped at the MH value and C appears on the instrument faceplate .
MHI alarm also appears on the instrument as well as in the Process Alarm Window.
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Clamped Negative
CLP- (CLAMPED NEGATIVE)In auto mode, if MV of the instrument is decreased below ML value, MV gets clamped at the ML value and C appears on the instrument faceplate.
MLO alarm also appears on the instrument as well as in the Process Alarm Window.
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Process Alarm Status
----------REDREDLLPV < LLPV VERY LOW
LL
----------REDREDPLPV < PLPV LOWLO
REDREDOUTPUT LINE IS OPEN
OUTPUT OPEN
OOP
RAW IS ACTUAL INPUT INTERMS OF %
REDREDCHECK RAW VALUE IN TUNING WINDOW
INPUT IS OUT OF RANGE
INPUT OPEN
IOP + / -
YELLOWYELLOWVLVELOCITY LIMIT
VEL = PV/ TVELOCITY ALARM
VEL + / -
YELLOWYELLOWDL DEVIATION LIMIT
DV > DL DV = PV - SV
DEVIATION ALARM
DV+ / -
----------REDREDPHPV > PHPV HIGHHI
----------REDREDHHPV > HHPV VERY HIGH
HH
----------GREEN GREEN--------------------PROCESS NORMAL
NR
REMARKSTAG MARK COLOUR
PV BAR COLOUR
ITEM TO BE SET IN THE TUNING
PANEL
ALARM
SETTINGS
PROCESS STATUS
ALARM STATUS
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Process Alarm Status
OCCURS ONLY IN CAS/ AUTO MODE
YELLOWYELLOWMLMV < MLMV LOWMLO
OCCURS ONLY IN CAS/ AUTO MODE
YELLOWYELLOWMHMV > MHMV HIGHMHI
REMARKSTAG MARK COLOUR
PV BAR COLOUR
ITEM TO BE SET IN THE TUNING
PANEL
ALARM
SETTINGS
PROCESS STATUS
ALARM STATUS
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Alarm Sub Status
AOF (Alarm Output Off)
CAL (Calibration)
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Alarm Sub Status
AOF (Alarm Output Off)Normally when an alarm occurs
• The tag mark changes colour depending on the typeof the alarm.
• Audible alarm is heard.
• The alarm status (HI/LO/HH/LL etc…) is displayedon the process alarm window.
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Alarm Sub Status
AOF (Alarm Output Off)
In AOF mode:
The tag mark changes to dark blue colour irrespectiveof the alarm.
Audible alarm is put off.
The alarm status is displayed only on the instrument faceplate.
All the alarms status except IOP & OOP on the Instrument are not displayed on the process alarm window.
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Selecting / Deselecting AOF
To put the instrument to AOF mode:Go to the tuning window of the instrument.Select AOF icon. Confirm.
To bring the instrument back to normal mode:Go to the tuning window of the instrument.Select AOF icon once again. Confirm.
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Alarm Sub Status
CAL (Calibration)When an instrument is put in CAL mode
• CAL appears on the instrument faceplate.
• The PV bar changes to cyan colour.
• The Instrument automatically comes to MAN mode.
• The actual transmitter input is bypassed.
• PV of the instrument can be changed.
• All the alarms checking on the instrument arebypassed.
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Selecting / Deselecting CAL
To put an instrument in to CAL mode:Go to the tuning window of the instrument.Select CAL icon. Confirm.
To bring the instrument back to normal mode:Go to the tuning window of the instrument.Select CAL icon once again. Confirm.
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Importance Level
Importance level is assigned to an instrument when it is created in the engineering builder. There are 8 importance levels.1 – Important tag with confirmation 5 – Important tag without confirmation 2 - General tag without confirmation 6 - General tag with confirmation3 - Auxillary tag –I without Confirmation 7 - Auxillary tag –I with Confirmation4 - Auxillary tag –II without Confirmation 8 - Auxillary tag –II with Confirmation
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Security Level
Security level is assigned to an instrument when it is created in the engineering builder. There are 8 security levels.
Tuning Parameters are displayed with = or : depending on the security level. Parameters displayed with = can be changed in the current key position.Parameters displayed with : cannot be changed in the current key position.
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Security Level
*1 : Only the PV alarm settings, SV, MV and block mode can be changed
* 2 : Only the SV, MV and block mode can be changed
O : Can be executed X : Cannot be executed
XXXXXX8
XXXOXX7
OXXOOX6
XXXOOO5
OOXOOO4
OO*2OOO3
OO*1OOO2
OOOOOO1
ENGONOFFENGONOFF
OPERATIONS
PROCESS DATA INPUT
FACEPLATE OPERATIONS,FACEPLATE DISPLAYACCESS LEVEL
OPERATIONMONITORINGKEY POSITION/
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Control Drawing Display
Select this icon to call the Control Drawing display
Control drawing display
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Control Group Window
Select this icon to display the Tool box
Select this icon to display the Control Group Window
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Control Group Window – 8 Instruments
Control group windows are used to display multiple instrument faceplates.
Maximum 8 or 16 instrument faceplatescan be displayed in one Control Group Window
Normally the instruments are monitored and operated from this window.
Double click on the instrument TAGNAME to display the Tuning Window of the instrument. Select the Upper Window Key to come back toControl Group Window
.
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Control Group Window – 16 Instruments
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Trend Window
Select this icon to display the Tool box
Select this icon to display the Trend Window
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Trend Window
TREND WINDOW records the PV, SV and MV of various instruments.
Trend can be displayed in Trend GroupFormat or in Trend Point Format.
Maximum 8 pens can be assigned in one Trend Group Window
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Trend Group Window
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Trend Point Window
Double click here to call the Trend Point Window
Trend Point Window
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Calling Instrument from Trend Window
Double click here to call the Instrument faceplate Window
Instrument Faceplate Window. Instrument can be operated from this window.
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Process Alarm Window
PROCESS ALARM WINDOW displays the latest 200 process alarms.
Alarms can be acknowledged either as a Group or as Individual alarm.
Select this icon to call the Process Alarm Window
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Process Alarm Window
PROCESS ALARM WINDOW displays the latest 200 process alarms.
Alarms can be acknowledged either as a Group or as Individual alarm.
This icon displays the current PV Values of the instruments that are in alarm
This icon displays the important tags (High Priority Alarms) that are in alarm.
This icon is used to acknowledge the process alarms.
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Operator Guide Message Window
Select this icon to call the Operator Guide Message Window
OPERATOR GUIDE MESSAGE WINDOWdisplays the predefined messages to guide the operator regarding the current processstatus and /or the actions to be taken.
OG messages can be acknowledged either as a Group or as Individual message.
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Graphic Window
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Overview Window
Select this icon to display the Tool box
Select this icon to display the Overview Window
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Overview Window
Overview Window displays the overview of the current process status.
Information regarding the process is distributed among the various display blocks.
32 Display Block s per Overview Window.
Each block gives dynamic information regarding the process.
Double click on the display block to more details.
3 Types of Display Blocks
•Single Tag Block•Window Display Block•Comment Block
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Overview Window
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Process Report Window
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Historical Message Report Window
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Sequence Tables
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Sequence Tables
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Logic Charts
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Logic Charts
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System Status Window
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System Alarm Window
SYSTEM ALARM WINDOW displays the latest 100 system alarms.
Alarms can be acknowledged either as a Group or as Individual alarm.
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Navigator Window
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System Code : %ZnnusccSddss
%Z - Process Input/Output S - Station
nn - node number dd - Domain number
u - I/O unit number ss - Station number
s - Slot number
cc - Channel number
Digital Inputs are contact inputs from field to CS3000.
Digital Inputs are used to indicate the
i) ON / OFF status of pumps, motors, heaters, etc.
ii) OPEN / CLOSE status of on-off valves. Digital Inputs are used only as a condition signal in the Sequence Table. They cannot be used as an action signal in Sequence Table.
Digital Inputs
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Digital Inputs Syntax
YTAGNO.PV.ON DI = OFFPV = 0
PV=1DI=ON
N
VALVE
PV=1DI=1
PV = 0DI = 0
OPEN
CLOSE
Contact is closed in field
Contact is open in field
Conditions
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System Code : %ZnnusccSddss
%Z - Process Input/Output S - Station
nn - node number dd - Domain number
u - I/O unit number ss - Station number
s - Slot number
cc - Channel number
Digital Outputs are contact outputs from CS3000 to field.Digital Outputs are used to i) Switch ON / OFF pumps, motors, heaters etcii) OPEN / CLOSE on-off Valves.
Digital Outputs can be used as condition signals or as action signals in sequence table. If Digital Output is specified as Latched i.e. H, it has to be made ON on a particular condition and has to be made OFF on another condition
Digital Outputs
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Output relay is energised
PV=1DO=1
PUMP
PV=0DO=0
Output relay is deenergised OFF
ON
Y
Y
Y
TAGNO.PV.ON
CO1
ON
N
PV = 1
TAGNO.PV.LTAGNO.PV.HTAGNO.PV.P
YYY
N
Condition
Action
N
Y
Y
PV = 0 OFF
OFF PV=0 ON PV=1
Digital Outputs Syntax
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Whenever Digital Outputs, Switches and Annunciators are used in sequence table as an action signal, they have to be specified as L (or) H
Input
OutputUnlatched (L)(level triggered)
Output Latched (H)(edge triggered)
Output pulse (P) The O/P is turned ON only once, for approx..1sec. When condition is true. If the condition goes false and then true again,output is turned ON again for a second.
R-1Stop
Start
Start
Stop
R - 1 - 1 (Latching or hold on contact)
Latch & Unlatch
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Switches are classified into Global switches and Common Switches.
Global Switches are common to all FCS. The status of global switches
are transmitted to other FCS through link transmission. Hence they can
be set and referred in any FCS.
Common Switches are used to within the FCS. They are specific to each
FCS.
Switches
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Max.256 GS/FCS
System Code: %GSxxxxSddss%GSxxxx - Switch number (0001 - 0256)dd - Domain numberss - Station number
Global Switches
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Max.4000 SW/FCS
System Code: %SWxxxxSddss%SWxxxx - Switch number (0001 - 4000)dd - Domain numberss - Station number
Switches are used to store intermediate variables in the interlocks. Switches are internal flags that can be set and reset whenever required.
Switches are used for auto / man selection, pump selection, speed selection, bypass selection etc..
Switches No. 1 - 200 are used by the system. Hence the user can use switches from 201 - 4000.
Common Switches
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Y
Y
Y
Y
Y
N - PV=0, SW=OFFPV=1, SW=0N
N
N- PV=0PV=1
TAGNO.PV.ON
TAGNO.PV. L
TAGNO.PV.H
TAGNO.PV.P
BYPASS
NORMAL
PV=1, SW=ON
PV=0, SW=OFF
Condition
Action
CO1
Switches Syntax
BYPASSSW
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Timers are used to introduce time delays in Sequence Table.
Second timer
Timer Types
Minute timerMax time - 9999 secs (or) 9999 Mins.
PH = Maximum time the timer should count
PV = Actual time the timer has counted
DV = PH-PV i.e.the time left to finish counting
DL = Deviation limit
Timer
90
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1. When the timer is started, PV starts incrementing automatically Alarm status is NR2. When the timer has finished timing, i.e. when PV = PH
Alarm status is CTUP3. When the timer is stopped while timing Alarm status is STOP4. When the timer is paused while timing Status is PAUS5. When the DV < DL alarm status is PALMAny of the alarm status can be referred in sequence table as a condition signal.
Timer Operation
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Used to count internal events or external pulses. Counter PV updates by one every time the counter is started
INT - Internal counter
Counter types
P - Pulse counter
Max.9999 Counts
Counter operation is same as timer except that pause option is not available.
Counter
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Operator Guide Messages are used to guide the operator regarding the current process status and/or the actions to be taken. Operator Guide messages are also activated through sequence table on a specific condition. Operator Guide messages appear on operator guide message panel.
System Code: %OGXXXX
CO1
%OGXXXX.PV.NON
Action
Y
Y
Condition
Operator Guide Messages
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Annunciator messages are user defined alarms. Annunciator messages are also activated through sequence table on a specific condition. Annunciator messages appear on Alarm Summary Panel.
System Code: %ANxxxxSddssaa
CO1
C02
%ANXXXX.PV.L
%ANXXXX.PV.H
Action
Y
Y
Y
N
N
Condition
Message
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Sequence instruments (or) status input output instruments are used to
i) Switch ON/OFF motors, pumps, heater etc..
ii) OPEN / CLOSE on-off valves
iii) Indicate the ON/OFF status of motors, pumps, heaters etc.
iv) Indicate the OPEN/CLOSE status of on-off valves.
Sequence Instruments
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One DO is linked with the instrument.
OPEN MV = 2DO = ON
CLOSE MV = 0DO = OFF
OUT
Loop Connection
Tag No.
SO - 1
DOTAGNO.PV
Wiring
SI0 Model
(OR) %ZnnusccPIO
C01
C02
Y
Y
TAGNO.CSV.2
TAGNO.CSV.0
Action Y
Y
Condition
Model SO-1
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Two DO’s are linked with the instrument.
OPEN MV = 2DO1 = ON
CLOSE MV = 0DO2 = ON
OUT
Loop Connection
Tag No.
SO - 2
DOTAGNO.PV
Wiring
SI0 Model
(OR) %ZnnusccPIO
C01 Y
TAGNO.CSV.0
TAGNO.CSV.1
TAGNO.CSV.2
MV = 1DO1 = OFFD02 = OFF
Y
Y
Y
This DO number and the next consecutive DO number will be taken as the 2 output signals automatically.
Action
Condition
Model SO-2
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One DI is linked to the instrument.
OPEN PV = 2DI = ON
CLOSE PV = 0DI = OFF
IN
Tag No.
SI - 1
DITAGNO.PV
TAGNO.PV.2
TAGNO.PV.0
Condition
Y
Y
Action
Model SI-1
PIO
(OR) %Znnuscc
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Two DI’s are linked to the instrument.
OPEN PV = 2DI1 = ON
CLOSE PV = 0DI2 = ON
IN
Tag No.
SI - 2
DITAGNO.PV PIO
TAGNO.PV.0
TAGNO.PV.1
TAGNO.PV.2
PV = 1DI1 = OFFDI2 = OFF
Y
This DI number and the next DI number
will be taken as the 2 answerback inputs.
Y
Y
Condition
ActionTRAVERSE
Model SI-2
(OR) %Znnuscc
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1 DI and 1 DO is linked to the instrument.
OUT
Tag No.
SI0 - 11
DOTAGNO.PV
TAGNO.PV.0TAGNO.PV.2
TAGNO.ALRM.ANS+ TAGNO.ALRM.ANS-
Answerback Signal
START
PV = 2DI = ON
MV = 2DO = ON
Output Signal
STOP
PV = 0DI = OFF
MV = 0DO = OFF DITAGNO.PV
INY YY Y
TAGNO.MODE.AUTTAGNO.MODE.MAN
TAGNO.CSV.2TAGNO.CSV.0
Y YY Y
Action
Condition
Model SIO-11
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2 DIs and 1 DO are linked to the instrument.
MV = 0DO = OFF
TAGNO.PV.2TAGNO.PV.1TAGNO.PV.0
OPEN
PV = 2DI1 = ON
MV = 2DO = ON
CLOSE
PV = 0DI2 = ON
OUT
Tag No.
SI0 - 21
DITAGNO.PV
Y YY
TAGNO.MODE.AUTTAGNO.MODE.MAN
TAGNO.CSV.0TAGNO.CSV.2
Y YY Y
PV =10DI1 = OFFDI2=OFF
IN
DOTAGNO.PV
First DI No. will be taken as the first answerback signal.
Next DI No. will be taken as the second answerback signal.
TRAVERSE
Action
Condition
Model SIO-21
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1 DI and 2 DOs
MV = 0DO2 = ON
TAGNO.PV.0TAGNO.PV.2
PV = 2DI = ON
MV = 2DO1 = 0N
PV = 0DI = OFF
OUT
Tag No.
SI0 - 12
DITAGNO.PV
Y Y
TAGNO.MODE.AUTTAGNO.MODE.AUT
TAGNO.CSV.0 TAGNO.CSV.1TAGNO.CSV.2
Y YY YY
MV =1D01 = OFFD02=OFF
IN
DOTAGNO.PV
FORWARD
STOP
REVERSE
First DO No. will be taken as the first output signal.
Next DO No. will be taken as the second output signal.
Action
Condition
Model SIO-12
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2 DI’s and 2 DO’s
MV = 0DO2 = ON
TAGNO.PV.2TAGNO.PV.1TAGNO.PV.0
PV = 2DI1 = ON
MV = 2DOI = ON
PV = 0DI2 = ON
OUT
Tag No.
SI0 - 22
DITAGNO.PV
Y YY
TAGNO.MODE.AUTTAGNO.MODE.MAN
TAGNO.CSV.0 TAGNO.CSV.1TAGNO.CSV.2
Y YY YY
MV =1DO1 = OFFDO2=OFF
IN
DOTAGNO.PV
First DO No.
PV = 1DI1 = OFFDI2 = OFF
First DI No.
PUMP 1
STOP
PUMP 2
Action
Condition
Model SIO-22
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Interlocks are written in the form of sequence table.
Each S.T. has 32 conditions, 32 actions and 32 rules.
General Rules:
Actions will be performed only if all the conditions in the rule are satisfied. Even if one condition is not satisfied, actions will not be performed.
Condition Signal: Y/N
Colour:
Red: Condition is true (satisfied)
Cyan: Condition is false (not satisfied)
Sequence Tables
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C01
C02
|
|
C32
A01
A02
|
|
A32
1 2 3 4 32Conditions
Actions
Band Colour :Red : All the conditions in therule are satisfied.
Green : All the conditions in therule are not satisfied.
Sequence Tables
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SYSTEM GENERATION
FUNCTION
OPERATION
&
MONITORING
FUNCTION
CONTROL FUNCTION
FUNCTION
TEST
FUNCTION
HUMAN INTERFACE STATIONHUMAN INTERFACE STATION
Virtual test Function
SFCS
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Thank you very much for your attention.
YOKOGAWA INDIA LIMITED