Using Wireless Hart Technology
-
Upload
roberto-wallis -
Category
Documents
-
view
174 -
download
5
Transcript of Using Wireless Hart Technology
Using WirelessHART Technologyin Process Industries
U i Wi l HART T h lUsing WirelessHART Technologyin Process Industries
IEC Approved Standard (IEC 62591Ed. 1.0)
WelcomeWelcome
• Extension of the HCF’sExtension of the HCF s Worldwide series of seminars
• Vendor neutral
Clear away the wireless fog• Clear away the wireless fog
• Introduce WirelessHART Seminar Sponsored by:
as the first global standardTechnical and practical seminarseminar
Understanding HART gThe Standard for Instrumentation
HART i t bl
30,000,000Installed
Protect yourHART is stableand backward compatible HART 5 1998
HART 7 2007Over 70% marketMost widely used
Protect your investment
Widest choice of product and suppliers
Major vendors andOver 245 Members
sharey
The momentum is here
Built upon standardsIEC 62591 – WirelessHARTIEC 61804 - Device Description Lang.IEC 61158- Industrial Comms. NetworksIEEE R di 802 15 4IEEE - Radio 802.15.4
Understanding HART gBuilding on HART
• HART has maintainedHART has maintained backward compatibility
Do not remove featureHART 6
HART 7Time/Cond. ReportingPV Trending
SecurityMesh & Star
All PV With StatusAdd featuresMaintain command structure
• Use existing tools andHART 5
HART 6All PV With StatusLong Tags
Process MonitoringDiagnostics
ConfigurationRemote AccessUse existing tools and
knowledge • Wireless adapters allow for
i t ll d i t t
Remote Access
4-20mA Loop
Wireless
installed instrument upgrade
Today’s TopicsToday’s Topics
• Introduction• What Can Wireless Do For You• Understanding HART• Wireless Building Blocks• Using WirelessHART• Host Integration• Planning a WirelessHART Project• Summaryy
Today we will discussToday we will discuss ….
WirelessHART AttributesBattery life (power options)RangeControlMesh & Star topologiesp gRadio / Antenna characteristicsCo-existenceSecuritySecurityUpdate rates
IEC Approved Standard
WHAT WIRELESSHART CAN DO FOR YOU
ContentsContents
• Designed for process• Works with existing g
systems• Reduce installation cost• Reduce project execution
time• Implement incrementallyImplement incrementally
Designed for Process gApplications
• Process Monitoring T Cl D i tiProcess MonitoringHard to reach / expensive to install locationsFull access to multivariable
Type Class Description
Safety 0 CriticalFull access to multivariable devices
• Asset Management1 Closed Loop regulatory
control
2 Closed loop supervisory
Condition monitoringConfiguration database
• Control
Control control
3 Open loop control
4 Al ti• ControlOpen loopClosed loop
Monitoring4 Alerting
5 Data logging and Up/Download
Designed for ProcessgNAMUR WirelessHART Field Test Report
• Field test organized by NAMURField test organized by NAMUR at BASF SE in Ludwigshafen, Germany
• ObjectivesObjectives1. Identification and Assessment
of added value with applications for Wireless Sensor Networks with regard to: 1. Mobility, 2. Flexibility and 3. Cable Replacement3. Cable Replacement
2. Reflections (Comparison) of WirelessHART pilot application results against NE124
irequirements
Designed for ProcessgNAMUR WirelessHART Field Test Report
> 55 devices> 55 devices
Designed for ProcessgNAMUR WirelessHART Field Test Report
• Conclusions:Conclusions: WirelessHART allows successful deployment of wireless sensor networkswireless sensor networksWirelessHART in principle is applicable for monitoring applications (NE124 Class C)applications (NE124 Class C)Suppliers have improvement potential related to implementation supportingimplementation supporting applications
WirelessHART offers opportunities despite legacy burdenspp p g y
Designed for ProcessgNAMUR WirelessHART Field Test Report
• RecommendationsRecommendationsA single standardStandardize Battery design and connection
Gateway
design and connectionConfiguration standardization and interfaceinterface
Devices
Designed for ProcessgProcess Monitoring Applications
• Access to hard to reach orAccess to hard to reach or previously uneconomical process measurements
Tank FarmTank FarmWell head monitoringRotating equipment (kiln)Solve process problemsSolve process problems with temporary measurements
• Elimination of operatorElimination of operator rounds
• Full multi-variable device accessaccess
Designed for Process gApplications
• Process Monitoring & ControlProcess Monitoring & ControlHard to reach locationsProcess efficiency calculationsBetter insight into processAd-hoc measurementsAdditional measurements from multivariable devicesCalculated variables in devices
Designed for Process gApplications
• Equipment MonitoringEquipment MonitoringBearing temperaturesVibrationCorrosionOil pressureAir flow
Designed for Process gApplications
• Health and SafetyHealth and SafetySafety showersGas detectors
• EnvironmentalSteam traps (energy usage)Water / Discharge TreatmentWater / Discharge Treatment• Flow• pH
Stack emissionsStack emissionsRelief valves
Designed for Process gApplications
• Asset ManagementAsset ManagementMaintenance• Calibration
R d l i t• Record valve signatures• Radar echo
Diagnostics• Valve position feedback• Device health (status)
Works With Existing Systemsg yTraditional Wired System
Works With Existing Systemsg yRemote I/O System
Works With Existing Systemsg yWireless – Similar to Remote I/O
Reduce Installation CostMaterial, Time and Labor
Conventional Analog WiringConventional Analog Wiring
Analog I/O
System terminations Multicore terminations
Device terminationMulticore terminations
WirelessHART Network
Serial I/O
Gateway
1 system connection
Gateway
Reduce Project Execution TimejIt’s More Than Just The Wire Savings
• Reduce engineering timeReduce engineering time Loop diagramsSpecification and purchase of field enclosuresof field enclosuresSpecification and purchase of wire
• Reduce installation timeNo cable to pullNo terminations to makeNo terminations to makeNo cable trays to installNo scaffolding to erect
Implement IncrementallyImplement Incrementally
Once the network is in place just:Once the network is in place just:Install the next field deviceAdd an OPC/Modbus data point
• Additional devices strengthens the network
It’s just that easy!It s just that easy!
SummarySummary
• Designed for process• Designed for process applications
PV monitoringControlControlAsset management
• Adaptor - upgrade path for existing installedexisting installed instruments
• Works with existing systemsy
• Lower cost installation• Reduced project execution
UNDERSTANDING HART
Understanding HARTgHART = Highway Addressable Remote Transducer
• Allows local and• Allows local and remote access to instrument configuration
• Instruments have microprocessors
More sophisticatedMay not have a local display
HART data is available anywhere on the 4-20mA loop
Understanding HART gHART Communication Over Wire
Understanding HART gHART Commands
• There are three classes of HART commands
Universal• PV – TAG – DiagnosticPV TAG Diagnostic
Common Practice• Calibration – PV range
Device SpecificDevice Specific• Linearization tables –
Technology specific
Understanding HART gDevice Description (DD)
• All the information needed byAll the information needed by the host to fully communicate with a field device.
• Handheld hostSimple instrumentsSimple instrumentsIS version for hazardous areas
• PC-based hostAsset managementCondition monitoring
Understanding HART gCommunication Modes
• Master-Slave Mode:Master Slave Mode: Communication is initiated by a master device• Point-to-point or multi-dropp p
• Primary Master: Control room (system)
• Secondary Master:• Secondary Master: Handheld
• Burst Mode: Master instructs the slave device to continuously broadcast a standard HART reply message (e g PV) until instructed to stop(e.g. PV) until instructed to stop.
Understanding HART gMultiplexer/Pass through Operation
• HART multiplexers Control or Asset Management SystemHART multiplexers
Monitor PVs Typically a PC (SCADA) acts as the host
Asset Management System
Analog +HART Data
acts as the hostCan be added as retrofit
• Remote I/O can pass HARTDataAnalogp
HART commands to the host
Connect to I/O as
Data
Connect to I/O as though it were a modem Read/write all data
Understanding HART gSummary
• HART is the industry standard instrumentHART is the industry standard instrument communications protocol
• 90% use HART for only commissioning – but are missing the real potential
• HART is supported by all major instrument and control systems supplierscontrol systems suppliers
• HART is evolving to meet User’s requirements• Wireless is the next stepp
WIRELESS BUILDING BLOCKS
Working With ISM Bands gWireless Spectrum and ISM Band
• Radio• RadioFrequency • Unlicensed band ISM
(Industrial, Scientific and(Industrial, Scientific and Medical)2.4 to 2.5GHz
• Need to co-exist with other users -15 channels available
• Available worldwide
Readily available• Standard IEEE802.15.4 Radio
Low Power• Low power = longer battery life
Working With ISM BandsgCoexisting with Other Networks
• Need to co-exist with other users of the ISMother users of the ISM band
Good worker gets the message throughmessage through Good neighbor works with alongside networks
Working With ISM BandsgCo-existence
• Channel hop to avoid busyChannel hop to avoid busy channels (15 channels)
• Assess channels before you use them
• Blacklist channels which have heavy use Built into WirelessHARThave heavy use
• Transmit for a short period of time (good neighbor)
• Vary transmit power (security benefit too)
Wireless Topologiese ess opo og esStar & Mesh
St fi ti • Mesh configuration• Star configuration Best for controlLow data latency
Mesh configurationBest for reliabilityMultiple paths
Plant unlikely to change Adapts to changing plant
Star Mesh
Main User ConcernsMain User Concerns
• Make it ReliableManage powerP l t hProcess plants changeNeed to coexist
• Make it SecureSecure the dataAuthenticate data and devices IEC Approved Standard (IEC 62591Ed. 1.0)devices
• Make it SimpleAs simple as 4-20mA
Make it ReliablePower is Everything!
High Speed Host Connection
• Update rate affects battery lifeBatteries will continue to improvep
• Power options includeBatteryExternal powerExternal powerEnergy scavenging
• Features are built in to extend battery lifebattery life
Smart reporting
Make it Reliable Location in the Mesh and Power
• Parents have to route data from children
• Children can have routing Pinch pointgfeature switched off
• Radio is on forRoutinggSynchronizingAdvertising
Make it Reliable Variable Transmission Rates
• WirelessHARTWirelessHART instruments are time synchronized
Time distributionTime slots
• Allows different reportingAllows different reporting rates within one mesh
• Synchronization allows h l h ichannel hopping
Access and timing is handled automatically!g y
Make it ReliableTDMA - Time Division Multiple Access
Ti Sl tTransmission Starts
Source Now Listening
• Time Slot1 Slot = 1 Transaction on an assigned channel
STXACK
Destination Listensfor Start of Message Destination ACK Starts
Transaction
Dedicated slot (PV update)Shared slot (alarm/events)
• Time SynchronizationSlots
Cycle nCycle n-1 Cycle n+1• Time SynchronizationCommon timeWhen a slot begins
Superframe
TDMA SlotTDMA Slot--based Communicationbased CommunicationWhat channel to use
Time synchronization and time slots are handled automatically!y y
Make it ReliableSlot Timing
Start SlotAssessment
Switch to Transmit
Wait forAcknowledge
ReceiveAcknowledge
Listen Message Switch to CCA
g3 to 4 msec receive
10 msec - 1 time slot - 1 channel
1 device can transmit up to 8 PV’s plus status in 1 slotPacket = 133 bytesy250kbit/s
Make it Reliable Smart Reporting - Threshold Triggered
• Based on absoluteBased on absolute process value
Define Min and Max rates Published on threshold crossing Can trigger on Low-High Transitionor High-LowTransition
PV i ti t d• PV is time stamped• Increases battery life
Make it Reliable Smart Reporting - Window Triggered
• Windowed operationWindowed operation sends PV when
Dead band exceeded (i e process change)(i.e., process change)Max time between updates exceeded
• PV is time stamped• Increases battery life
Make it ReliableMESH Network
• Self building meshSelf building meshSimplifies commissioningAutomatic features
Ti l t ll ti• Time slot allocation• Path selection
• Self-healing meshRedundant communication paths (no ACK from message)More instruments = more redundant pathways
Make it ReliableArchitecture Overview• DevicesDevices
Gateway • Builds network and provides
host connectionProcess connected• Instruments (pressure –
temperature – flow)RRepeaters• Extend the network
AdaptersAdd i l bilit• Add wireless capability
Handhelds / PC tool• Configures instruments to
join networkjoin network
Make it ReliableGateway
• Host interface toHost interface to WirelessHART
One or more access points topoints to WirelessHARTHigh speed bus access to Hostaccess to Host
• Contains two vital WirelessHART functions
Network ManagerSecurity ManagerSecurity Manager
Make it ReliableNetwork Manager
• Builds the MESH• Builds the MESHAdvertises network to new instrumentsBuilds routing pathways• Looks for neighbors and
best pathwaybest pathway
Builds communication schedule • Allocates slot times to
instruments
Make it ReliableNetwork Manager
• Monitor/Report health• Monitor/Report healthCollect performance information• Path statistics • End-to-end reliability • Signal strength• Signal strength
Collect device diagnostic information• Battery life• Device status
Make it ReliableNetwork Manager
• Manages the MESHManages the MESHManages complete list of network devices• Live list• Live list
Grooms the MESH • New devices
M h diti• Mesh condition
Network manager web server view
Make it SecureIntroduction
• WirelessHART ensuresWirelessHART ensures secure communications
Security is “built-in” and cannot be disabledcannot be disabled Uses standard AES-128 bit encryptionEase of use (automatic functions)Only the final device can decrypt and utilize the data
Make it SecureRisk Assessment / Reduction
• WirelessHART networks• WirelessHART networks have two main categories of protection:p
Data Protection• Confidentiality• Integrity
Network Protection• AvailabilityAvailability
Make it SecureSecurity Manager
• Responsible for:• Responsible for:Authentication• White list of devices• Message integrity
EncryptionDi t ib t ti• Distributes encryption keys– Join
S i– Session– Network
Make it SecureData Protection
• Data ProtectionData Protection Prevent eavesdropping by unauthorized devices• Secure join procedure• Secure join procedure• Authenticate devices• Encrypt messages
M i t itMessage integrity• Encrypt the message• Has the message been
altered en route?altered en route?
Make it SecureData Protection – Authenticate Instruments
Secure network joiningSecure network joiningAES 128-bit encryption keeps the joining process pri ateprocess privateJoin Key • Can be unique to each
device or common to the network
• Authenticates that the device belongs to thedevice belongs to the network
• Requires a local device connectionconnection
Make it SecureData Protection – Encrypt Messages
The WirelessHART Sensor Network provides:The WirelessHART Sensor Network provides:Individual session keys – session = end-to-end• Only the consumer can decrypt the message
S iSessionKey A
Modify
Make it SecureData Protection – Check Message IntegrityThe WirelessHART sensor
network provides:Message integrity checking• Message Integrity Code (MIC) is
unique and is part of eachunique and is part of each message
• Receiving device checks data has not been altered.
Security Control Counter DataMIC
MessageMessage
Make it SecureNetwork Protection – Unauthorized Devices
• An unauthorized• An unauthorized device tries to join the network
• Join Key management g
The join key can be changed Use an access control list
Make it SecureNetwork Protection – Replay Attack
• Keep the network busyKeep the network busy handling data
Read data and repeat it onto the networkonto the network
• The message is ignoredThe Counter at the network layer is time slot dependant• The replay has to
happen in the same time slot (10msec)Security
Control Counter DataMIC
Messageg
Make it SecureNetwork Protection – Denial of Service• Keep the network busyKeep the network busy
handling dataSaturate the network with authentic looking data –Join Requests
• Join request ignoredThe Network Manager has glist of authorized instrumentsNeeds to be an authorized d ideviceA counter logs each failed join request – alert site securitysecurity
Make it SecureNetwork Protection - Monitoring
• The network manager monitors unusual network activitynetwork activity
Failed join attemptsExcessive retriesMIC f ilMIC failuresAuthentication failures
Make it SecureNetwork Protection
• Only the securityOnly the security manager is authorized to issue session, network
d j i kand join keys
• WirelessHART does• WirelessHART does NOT use TCP/IP, making it safe from
i t t tt kmany internet attacks
Make it SimpleMake it Simple
Self-Healing Mesh Network
Reduce
Reduce Maintenance
Make it as Simple Self-Building Mesh NetworkB ilt i S it
Engineering
as Simpleas 4-20mA
Self-Building Mesh NetworkBuilt in Security
HART CommandsUniversal Common PracticeI t t S ifi
Use existing tools and knowledge
Reduce Engineering
Instrument Specific and knowledge
Make it SimpleMake it Simple
• Same people & skill setSame people & skill setSimilar work flow to 4-20mACalibration procedure
Connect wire
Connect HHT
Set Range
LoopTest
4-20mA Device Commissioning
Calibration procedureInstrument configuration Handheld and system
wire HHT Range Test
WirelessHART Device Commissioning
Powerup
Connect HHT
SetJoin
LoopTest
g
Device Commissioning Work Flow is Similar
SummarySummary
• HART is the ideal basis for aHART is the ideal basis for a wireless instrument network
Industry standardBased upon standards30,000,000 installed devices
• WirelessHART addressesWirelessHART addresses Users’ concerns
ReliableSec re
It is HART at the core•Same Tools•Same InstrumentsSecure
Simple
• Backing of major vendors
Same Instruments•Same Know How•Same people
g j
WIRELESSHART HOST INTEGRATION
Host System CommunicationHost System Communication
• Industry Standard ProtocolsIndustry Standard ProtocolsEthernet• Modbus TCPIP• OPCOPC• FOUNDATION Fieldbus HSE• ProfiNet• Https• XML• VPN
Serial (RS232/RS485)• Modbus RTU• Profibus DP• HART/485
Host Data CapacityHost Data Capacity
• Serial Data CapacitySerial Data CapacityData telegram size may have a limit (244 bytes Profibus DP)Profibus DP)
• Controller I/O CapacityMay be based upon TAG limit or memory
• Gateway CapacityMay be designed forMay be designed for specific network size
Accessing Cyclic DataAccessing Cyclic Data
• Mapping PV to registers –Mapping PV to registersFunction blocks or modules
Wireless Cooperation Team - WCT
WirelessHART Mesh NetworkWirelessHART Mesh Network
Specifications in 2010
Accessing Data “On Demand”Accessing Data “On Demand”
Gateways may provide separatey y p pconnections for cyclic and acyclic data
HART configuration or asset management applications send requests to the device via theapplications send requests to the device via the gateway in an identical manner as it does today using a modem or multiplexer interface.
Summary Host IntegrationSummary - Host Integration
• Host integration• Host integrationUses standard high speed networks Map process data at the gateway C li d li i f tiCyclic and acyclic information available
PLANNING A SUCCESSFULPLANNING A SUCCESSFUL WIRELESS PROJECT WITH
WIRELESSHARTWIRELESSHART
Project Scopej pNetwork Planning
• Organize networks in the same way as wired instrumentsinstruments
By process unitBy plant area Usually within wireless range
• Typically less than ~250m
76
Project Scopej pPlant Infrastructure Assessment• Walk through of the
ers
area• Assume worst case
for planning• Traditional “site
” i t85
metsurvey” is not
required
Low obstructions – 150m
Line of Site – 225m
Medium Obstructions – 75m
High Obstructions – 30m
77
High Obstructions 30m
Network Planning – 3 Dimensional gEnvironment
Line of Sight orLow Obstructions
High ObstructionsWhere many instruments are locate
78
Device PlacementDesign a Network – Minimum 5 Devices
Place devices like wiredPlace devices like wired• Self-Organizing will adapt
wireless to process environmentPlan to install like wired• Plan to install like wired
Network Minimum of 5 devices• Based on experience• Less will work• Network becomes stronger with• Network becomes stronger with
more devices• Initial network is an investment
in future network
79
in future network
Device PlacementField Device Connectivity – Best Practice
• Each field device has atEach field device has at least 3 neighbors
The 3rd neighbor will act as a backup if one of the twoa backup if one of the two primary paths is obstructed or unavailable
D i t d 0 5• Devices mounted >0.5m from any vertical surface
• Devices mounted >1.5mDevices mounted 1.5m off the ground
Only 2 neighbors is okaybut not best practice
80
but not best practice
Device PlacementVertical Placement of Devices
• Omni-directional antennaOmni directional antennaRadiates the same power on any horizontal angle
L th 45◦• Less than 45Same distances as horizontal plane
• Rule of thumb<15m high – don’t worry about it!
81
Device PlacementIdentify Line Of Sight (LOS) Height
• Identify obstruction• Identify obstruction height
Most devices installed below this height
• Identify LOS heightLOS Height = ObstructionLOS Height Obstruction Height + 2mGateways and Repeaters get maximum range whenget maximum range when mounted at LOS Height
82
Device PlacementRepeaters
LT100
S-27Repeaters
Over or Around Obstacles
LT100
S-31
CYS-35
Line of Sight
LTS-26 LT
S-28
S 29
LT100
S-30
LT100
S-32
I-5
S-33
CY100
Medium Obstacles
E-11
E-15E-16
E-18Building 1
LT101 100 LT
100
S-29
WirelessHART Network Gateway
CY200
S-36High Obstacles
83
200High Obstacles
Device PlacementGateway Location
• Three OptionsThree OptionsEasiest for IntegrationCenter of Initial NetworkCenter of Process UnitCenter of Process Unit
• Rule of ThumbPlan for connection to 25% of devices communicate directly todevices communicate directly to gatewayEnsures ample connectivity and eliminates pinch points
84
Device PlacementNetwork Expansion
• Existing Network isExisting Network is Foundation for Scalability
Add new devices to perimeter of existing networkof existing networkAdd new devices to interior of existing networkSelf-organizing incorporates and expands without disruption
85
Device PlacementThis is a MESH network
• Don’t forget this is a meshDon t forget this is a mesh network
Instruments do not need to be within the range of thebe within the range of the gatewayThey just need to be close to another wirelessto another wireless instrument
86
Instrument Specification SheetpWired HART & WirelessHART
Optional Information:
Keys can be pre-programmed or entered in the field.
Keys can be changed after commissioning.
Device SpecificationpAdapter
88
Device Specification pGateway Specification
Wireless GatewaySheet
1 OF 1SPEC.NO. REV.
NO. BY DATE REVISION SPEC.NO. DATE
REQ. P.O.
FIELDBY CHK’D APPR.
TAG:
Wireless Protocol: WirelessHART □Wireless Protocol: WirelessHART □
Mounting: Flush □ Surface □ Rack □ Other □ ____________
Enclosure Class: General Purpose □ Weather Proof □ Explosion Proof □ Class ____
Operating Temperature Range: _________________
Power Supply: 117V 60Hz □ 220V 50Hz □ Other ac □ dc □ voltsPower Supply: 117V 60Hz □ 220V 50Hz □ Other ac □ dc □ ___ volts
Antenna Omni-directional □ Extended Range □ Remote co-ax cable connection □
Radio Power Minimum ___ Maximum ___
Wireless field device capacity ____ devices
Minimum device update rate ____ updates/second (per device)
Host Protocols Modbus RTU □ Modbus TCPIP □ Modbus data format: ______________
OPC □ Profibus DP □ FF HSE □Other □ ________________
Data Connections: RS485 □ RS232C □ Ethernet 10baseT □ Ethernet 100base-TX □
89
CommissioningCo ss o gCommissioning the Network• HART handheld or PCHART handheld or PC
tool will allow you to join instruments to the network
Overlapping networks will have different network IDs
• StepspInstall and power GatewayInstall devices one by one• Begin with closest to theBegin with closest to the
gateway
STAR P i t t P i t C i
90
STAR or Point-to-Point Communica
CommissioningCommissioningCommissioning a WirelessHART Device• StepsSteps
Install or activate the device’s power sourceEnter the Network IDEnter the Network IDEnter the Network Join KeySet the refresh (update) rateVerify the device has joined the network • At the device using a
handheld or other tool• At the gateway
91
CommissioninggVerify Device & Network Configuration• Verify Device OperationVerify Device Operation
Check device TAGCheck device engineering unitsCheck PV Update rate
TT-105Deg CCheck PV Update rate
Check battery voltage• Verify Gateway
Check for minimum of 5 direct
4 sec8.75 vdc
Check for minimum of 5 direct connectionsCheck for 25% of devices with direct connections in large gnetworks
• <10% add repeaters if necessary
92
CommissioninggVerify Network Operation
• After all devices haveAfter all devices have been commissioned
Allow time for the network to optimize (>4 hours)optimize (>4 hours)Check each device for at least 3 neighborsCheck path stability• 60% minimum• Increasing the elevation of
th t tthe antenna can correct many situations
• Add repeater if necessary
93
DocumentationDocumentationWireless Symbols
Wi l Fi ld D iAdapter with loop powered device
TT105
TE105
Wireless Field DeviceTT105
YO105
p p p
TT YO
Adapter Powering 4-20 device
Gateway Repeater
TT105
YO105
YG5202
Repeater
Network IDYA
5202-2
94
“Y”, “G”, “A” and “O” are User Defined symbols
Documentation
• Gateway
Loop Diagram
• Gateway• Field Device with External
Sensing Element (RTD)g ( )• Self-contained Field Device• Analog Field Device with g
Adapter
Planning a WirelessHART Projectg jSummary
• Segment your network like you Seg e you e o e youwould remote I/O
• Assess the potential communication rangesg
• Determine gateway and device locations
• Place repeaters if neededPlace repeaters if needed• Documentation• Commission and let network
stabilizeIEC Approved Standard (IEC 62591Ed. 1.0)
stabilize• Establish security procedures
96
USING WIRELESSHART TECHNOLOGY IN
PROCESS INDUSTRIESPROCESS INDUSTRIES
SUMMARY
Today you discoveredToday you discovered….
• What WirelessHARTcan do for youWh i l l ti b• Where wireless solutions can be applied
• How WirelessHART co-exists withHow WirelessHART co exists with other networks
• How Security and Reliability is dd daddressed
• How to plan a wireless project
Now You KnowNow You Know ….
• Why we say WirelessHART isWhy we say WirelessHART isSimpleReliable Secure
• That WirelessHART is designed by and for process monitoring and control applicationsprocess monitoring and control applications
• WirelessHART can be applied to all process industries and to many demanding applicationsindustries and to many demanding applications
• That it can be used to keep YOUR plant competitive!
Now You Also KnowNow You Also Know ….
• The wiring topologies are flexible either STAR• The wiring topologies are flexible – either STAR, MESH or a combination
• Can significantly reduce installation cost to addCan significantly reduce installation cost to add additional measurements
• Have many power and power saving optionsHave many power and power saving options including line power, battery or scavenged power
• Is supported by most of the leading supplierspp y g pp• Is based on approved international standards• And, It Is Available Today!And, It Is Available Today!
Attributes of WirelessHART SummaryAttributes of WirelessHART - Summary
Attributes WirelessHART
Backward Compatibility – with 30 M installed devicesDesigned by and for the Process Industry
Can be used in Hazardous AreasCan be used in Hazardous Areas
Star & mesh wiring topologies
Monitoring AND Control Applications
Security - Built –in Always OnSecurity Built in, Always On
Attributes of WirelessHART SummaryAttributes of WirelessHART - Summary
Attributes WirelessHARTAttributes WirelessHART
International & Industry Standards
Number of Devices / network > 10,000
Adaptor to use on existing HART deviceAdaptor to use on existing HART device
Reliable
Secure
Simplep
QUESTIONS AND THANK YOUQUESTIONS AND THANK YOU