Breaking the Limits of Analog TechnologyKey attributes of the technology that makes FOUNDATION fieldbus suitable for process control

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FOUNDATION Fieldbus Started with a Few Simple Ideas:FOUNDATION Fieldbus Started with a Few Simple Ideas:

Reduce cablingSimplify marshallingEnable real-time digital closed-loop controlEnsure multi-vendor interoperabilityExpand device intelligenceAllow diagnostics-based maintenanceLiberate plants from proprietary protocols

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Real-Time Digital Communication for Process ControlReal-Time Digital Communication for Process Control

Real-time digital communication networkDesigned specifically for process control applicationsTakes the place of analog 4-20 mA and on/off signals

Digital Digital DigitalDigital Digital

Digital Digital DigitalAnalog Analog

FieldbusHardwired

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Applies to All Controls & InstrumentationApplies to All Controls & InstrumentationSystems:

Distributed control systems (DCS)Programmable logic controllers (PLC)Remote terminal units (RTU)

Instruments:TransmittersAnalyzersControl valve positionersOn/off valves

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Basic ComponentsBasic Components

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All-Digital From Sensor to ActuatorAll-Digital From Sensor to ActuatorCompletely eliminating the need for intermediate analog 4-20 mA signals

Digital Digital

DigitalAnalog

Analog Digital

Digital

Transmitter

Positioner Digital Digital

Digital

Transmitter

Positioner

DumbDiscrete Digital

Controller On/Off ValveDigital

Controller On/Off Valve

FieldbusHardwired

Process Discrete Process DiscreteAnalog

(4-20 mA)Binary(on/off)

Real-time

control

Digital(FF)

Digital(FF)

Digital(HART,

Brain, DE, FoxCom)

None Device management

Digital(FF)

Digital(FF)

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Fieldbus is a Kind of Soft I/OFieldbus is a Kind of Soft I/OAbility to connect multiple devices, each with multiple I/O signals, on the same pair of wiresAbility to edit signal marshalling from software

Fiel

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n B

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Sys

tem

Cab

inet1 pair

>30 signals

Mar

shal

ling

Cab

inet

L

F

A

S

M

•Level•Interface Level

•Mass Flow•Density•Volumetric Flow

•pH•Temperature

•Solenoid•Opened Feedback•Closed Feedback

•Valve Setpoint•Position Feedback

•Open Command•Close Command•Opened Feedback•Closed Feedback•Temperature•Torque

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Amperometric Analyzer2 I/OConductivity Analyzer2 I/ODensity Transmitter2 I/OFlowmeter2 I/OFlue Gas Transmitter2 I/OProcess Gas Analyzer 5 I/OGas Chromatograph25 I/OInterface Level Transmitter2 I/OControl Valve Positioner2 I/O

Electric Actuator (MOV)16 I/O

Level Transmitter1 I/OMultiple Sensor Temperature Transmitter8 I/OOxygen Transmitter2 I/OpH Analyzer2 I/OPressure Transmitter1 I/OTemperature Transmitter1 I/OMass Flow Meter3 I/OOn/Off Valve3 I/O

M

S

Multiple I/O Signals per DeviceMultiple I/O Signals per Device1 device is not 1 I/O point1 device corresponds to perhaps 3 I/O points on average

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Common Open Standard Protocol Takes the Place of Proprietary ProtocolsCommon Open Standard Protocol Takes the Place of Proprietary Protocols

Ability to freely replace devices while maintaining digital integration:– Electric actuators/motor-operated valves (MOV)– Gas chromatographs– Tank gauging systems

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Digital Closed Loop ControlDigital Closed Loop ControlTime-synchronized and scheduled communication– Ensure deterministic closed loop digital control

All devices are time-synchronized, executing their function at precisely the right time for best performance.

AI

Communication PIDAO

Scheduler

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Designed for Process Plant RequirementsDesigned for Process Plant RequirementsSupports long cable lengths– Junction boxes far into the field– Long spurs for devices

Two-wire twisted pair cable– Communication– Power supply

The device power suitable for all hazardous areas zones 0/1/2:– Intrinsically safe– Non-incendive

Rugged screw terminals– No special connectors

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Suitable for Hazardous AreasSuitable for Hazardous AreasCan be intrinsically safe or non-incendiveFlameproof (explosion proof) also possibleSupports field mounted safety barriers installed in Zone 2 or 1

Zone

Division 2

2

1

1 0

Power Field

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Interoperability: Ability to Mix Devices and System from Different ManufacturersInteroperability: Ability to Mix Devices and System from Different Manufacturers

Standard Profiles:– Standard communication settings– Standard transducer blocks:

• Temperature transmitter• Pressure transmitter• Flow transmitter• Valve positioner• Etc.

EDDL Files– Automatic integration of all device information into

DCS– Graphical display in intelligent device management

(IDM) software part of the asset management system (AMS)• Configuration/Setup• Diagnostics

TT

FT

PT

CV

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Digital Everywhere – Intelligence in Every DeviceDigital Everywhere – Intelligence in Every Device

Ability to centrally manage all field instruments including on/off valves and MOV– Configuration/setup– Diagnostics

Ability to plan maintenance and turnaround based on diagnostics

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Device Diagnostic Alarms: Ability to Detect Device Problems EarlyDevice Diagnostic Alarms: Ability to Detect Device Problems Early

Fast reporting of device diagnostic alarms– No long polling cycles

Alarms time-stamped at sourceNAMUR NE107 status signals for device diagnostic alarm management – no alarm flooding

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Familiarity: Ability to Use the Same Tools as for 4-20 mA/HARTFamiliarity: Ability to Use the Same Tools as for 4-20 mA/HART

Uses device tag– No manual address setting

Supports temporary masters:– Handheld field communicators– Laptop/tablet software– Documenting calibrators

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Control-In-the-Field (CIF)Control-In-the-Field (CIF)Designed from the ground up to enable control-in-the-field (CIF)– Ability to control more loops fast

Peer-to-peer communicationStandard function blocks

AI PID AO

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Enables New Powerful DevicesEnables New Powerful DevicesIntelligent two-wire on/off devices– with predictive diagnostics

Multi-input temperature transmittersMulti-channel field indicatorsEtc.

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Enormous Benefits Demonstrated in Thousands of Sites Around the WorldEnormous Benefits Demonstrated in Thousands of Sites Around the World

Reliance Jamnagar Refinery– The Largest Refinery in the World: ≥

22,000 DevicesShanghai SECCO Refinery– 900 TPY Ethylene, Using Control in the

FieldCSPC Nanhai Refinery– Refining & Petrochemical Complex with

16,000 FF DevicesDrax– Largest Coal Fired Power Plant in the UK

NAM Groningen Gas Field– Largest Gas Producer in Netherlands

Etc.

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Where Can I Learn More?Where Can I Learn More?What is FOUNDATION fieldbus?Breaking the Limits of Analog TechnologyProven Benefits in Projects Worldwide Enhanced Operations and Maintenance Ease of Use

http://www.fieldbus.org/images/stories/technology/aboutthetechology/overview

/fieldbus_brochure.pdf

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Enabler: FOUNDATION fieldbusEnabler: FOUNDATION fieldbusAbility to connect many devices on the same pair of wiresAbility to edit signal marshalling from softwareAbility to control more loops fastAbility to digitally integrate components from multi-vendorsAbility to diagnose discrete devicesAbility to plan maintenance and turnaround based on diagnosticsAbility to freely replace devices while maintaining digital integration