SCADA, SeCurity & AutomAtion newSletter · • Cucamonga SCADA Upgrade ... This architecture insures ... a course price for a license or you may purchase through your local Schneider

I ns ide Th is I ssue• TrainingClasses• ClearSCADAGoesMobile• ClearSCADA–What’sNew• WIN-911NextGeneration• CucamongaSCADAUpgrade• NevadaControlsWindTurbine• StructuredTextvsLadders• CameraTips(continued)

InJanuary2013,ControlMicrosystemsmadetheirfulltransitiontoSchneiderElectric.SageDesignsisstilltheCalifornia/WesternNevadaregionrepresentativeforthisproductline,whichcanbenowbefoundunderSchneiderElectric’sIndustryBusiness|Telemetry&RemoteSCADASystemsdivision.LookfortheTRSS“triangle”undertheproductssectionofthewww.Schneider-Electric.comGlobalsite.TherearestillsomewebsiteupdatesinprogresswhichwillfullyintegratetheproductsintotheUS&othergeographically-basedSchneiderElectricwebsites.TheUSTrainingClassschedulesarecurrentlyfoundbyvisitingtheSchneiderElectricCustomerLearningCenterathttp://www.schneider-electric.us/sites/us/en/training/training.page.California&NevadaclassescanalsobefoundontheTraining&Eventspagesatwww.sagedesignsinc.com&www.scadawise.comsites.

Volume 23, Issue 1 • Spring/Summer 2013 A Publication of Sage Designs, Inc.

150 Shoreline Hwy., Suite #8A • Mill Valley, CA 94941-3634 • 1-888-ASK-SAGE (1-888-275-7243) • 1-888-FAX-SAGE • www.SageDesignsInc.com

S C A DA , S e C u r i t y & Au to m At i o n n e w S l e t t e r

SchneiderElectricTRSSisproudtoannounce,thatwiththereleaseofStruxureWareSCADAExpertClearSCADA2013,weofferClearSCADAMobile,anintegratedmobileinterfacefocusedonoperationalefficiencyoffieldservices.ClearSCADAMobileisanextensionmoduletoClearSCADAthatprovidesreal-timedataandmonitoringcapabilitystraighttofieldoperationandmaintenanceteams’mobiledevice,helpingthemmakequickdecisionsandbemoreproductive.Withsupportforalarmsandalarmmanagement,eventlists,databasebrowsing,userfavorites,customqueriesforreportingandKPIs,historictrendsandpointcontrols,ClearSCADAMobileprovidesopportunitiestoquicklyassessandresolvealarmsprovidingtheconvenienceofsystemoperationwithouttheneedtoturnonyourlaptop.

Enhanced Security and EfficiencyCommunicationtothephoneutilizesSSLtoenableappropriateencryptionontransmitteddata.Securityisimplementedrequiringdeviceregistrationandapplicationlevelsecurityviatheuseofauserpin-code.Asthesystemhasbeendesignedfromthegroundupasamobileplatform,displayanddataretrievalisachievedinseconds,evenforcomplicatedtrendsorlargeeventjournalqueries.

Custom QueriesUserscangetaccesstotabulardata,providingeasyanalysisandcomparison.OverallsystemKPIsformanagement,productionsummaries,systemwaterflows,reservoirlevels,etc.canallbeeasilyaddedandmadeavailabletousers.

Workflow AssistanceUsersarenotifiedofnewalarmconditionsrelevanttotheirareaofresponsibility,andcanactionthosealarmsusingthebuilt-inalarmandeventlists.Thedatabasebrowserprovidesdetailedstatusinformationrelatedtoanydatabaseobjecttoallowformorein-depthsystemperformance.Trendsprovideuserswiththeabilitytoreviewhistoricdatatomaketherightoperationaldecisionsforthe

ClearSCADA Goes Mobile!

The Next Gen

Schneider Electric TRSS Update

WIN-911Version8representsatotalrethinkingofWIN-911designedfortomorrow’stechnologies.ThenewmoderncodebaseisbuiltuponMicrosoft’slatestversionofthe.NETplatform.Thisarchitectureinsuresthatthenextgenerationproductwillhaveunprecedentedreliability,security,flexibility,andperformance.WIN-911Version8willallowuserstocreateormakeconfigurationchangesatruntimeusingpowerfulnewescalationtoolscalledStrategiesandTactics.WIN-911Version8willstoreprojectinformationinthedatabaseoftheirchoice.

futureanduserfavoritesallowuserstostorecommonlyusedviewsontheirphoneforeasyretrieval.

Mobile DisplaysClearSCADAMobilealsoprovidessummarydatadisplaysfor“ataglance”understandingofsystemperformanceandoperation,bringingtogetherimportantinformationfromasinglesite,orevenpresentingsummaryinformationfrommultiplesites.ThesedisplayscanalsoprovidenavigationtootherfeatureswithinClearSCADAMobileforaspecificobjectwithinthedatabase(e.g.trenddisplay,eventlistforagroup,oranothermobiledisplay).

Try It Out TodayDownloadtheAndroidTMclientfromtheGooglePlayStoreandaccessouronlineClearSCADAMobileDemonstrationSystemtoday;seemoredetailshere:http://tinyurl.com/azsej3b.We’realsoworkingonaniOSclientforiPhoneandiPadwhichshouldbeavailablewithintheAppleStoresoon!

Inaddition,WIN-911Version8willutilizeWindowsCommunicationFoundation(WCF)forinter-modulecommunicationsallowingtheWIN-911systemtobeself-organizing,distributableandredundantwithnouserconfigurationrequired.WIN-911Version8willoffermanyotherfeaturesandenhancementsincludingrobustvoice,richtextemailandsupportforMobile-911alongwithscheduledreportsandmuchmore.Formoreinformationaboutthisuniqueway

ofdeliveringcriticalinformationaboutyourprocesswatchourwebsitewww.specterinstruments.com.PleasecontactSageDesignsformoreinformationregardingtheWIN-911softwarethatwillmeetyourneeds.


Withamissionofproviding high quality, safe and reliable water and wastewater service, while practicing good stewardship of natural and financial resources, theCucamongaValleyWaterDistrict(CVWD)isconstantlylookingtoimproveservicetoourcustomers.TogetherwithSageDesignsInc.,FireTideRadios,SouthernCaliforniaEdison,HoneywellUtilitySolutions,andEnerNOC,CVWDrecentlycompletedacommunicationsupgradeconsistingof76ProgrammableLogicControllers(PLCs),51radios,71antennas,and6permanenttowers.ThisupgradeprovidedahighperformancecommunicationinfrastructureenablingtheDistricttoparticipateinautomatedDemandResponse,aswellasprovidethefoundationforscalablefutureupgrades.

BackgroundCVWDservesapopulationofover185,000customers,consistingof49,000waterconnectionswithina47squaremilearea.Withanaveragedemandof50MGD,CVWDoperates20pumpstations,64boosterpumps,29wells,andthreepotable

watertreatmentplants.Thisoperatedequipmentresultsin56electricalserviceaccounts,withanannualcostof$5,250,000from42,947942KWhannually.Inordertooffsetannualelectricalcosts,CVWDinitiallyenrolledfivesitesintoaDemandResponseprogram,allowingoperator-initiatedelectricalserviceinterruptionsduringpeakelectricaldemands.Withsoundpastexperienceindemandresponse,CVWDpartneredwithSageDesignsInc.,FireTideRadios,SouthernCaliforniaEdison,HoneywellUtilitySolutions,andEnerNOCtocreateamigrationpathtowardAutomatedDemandResponse(ADR).Thispathincludedtheenrollmentof22additionalelectricalserviceaccounts,PLChardwareupgrades,andawirelessradionetworkupgrade.Automateddemandresponseconsistsofthefollowingsteps:• Receiptofeventnotification• StagenecessaryADRsetpoint

changes• Eventtrigger• TransmissionofADRsetpoints• Equipmentshutdown• Completionofevent-equipment

startupProjectThepurposeoftheprojectwastocreateaninfrastructurecapableoftransmittingasignalfromacentrallocationtoadistributionsystem,allowingforanautomaticshutdownoffieldequipmentalongwithstatusconfirmationandKWhvaluesfromtheelectricalaccounts.Thegoalwastoreplaceanexisting900MHzSpreadSpectrumFrequencyHoppingradionetworkwithanupgraded900MHzsolution.Theexistingnetworkcouldbecharacterizedasaself-healingmeshwithlowthroughput.Initially,CVWDwasofferedseveralradiosolutionstoconductfieldtests.TheFireTidesolution,chosenbyCVWD,wasbyfarthe

Cucamonga SCADA Upgrade mostintuitive,highestperforming,mostscalableandversatilesolutionavailable.FireTideoffersanextremelyintuitiveinterface,allowingtheusertoconfigureandmanagenetworks.TheGraphicalUserInterface(GUI)isscalabletoalloftheradiosusedbyCVWD.Licensing,security,andconfigurationsareloadedtoeachindividualradioviatheGUI.Toolsincludingspectrumanalyzers,antennaalignment,andiPerfarebuiltintotheindividualradios.Initiallyaspectrumanalysiswascompletedtodeterminechannelsaturation/availabilitywiththeuseofathirdpartyspectrumanalyzer.OncethepermanentFireTideequipmentwasinstalled,anotherroundofspectrumanalysiswascompletedwhichgaveprecisevaluesofsaturation/availabilitywiththespecificequipmentused.Thissecondroundofanalysisofferedalargeramountofchannelselection.CVWDdecidedtoinstallradiosandantennasandenableradiooptionstomeettheneedsoftodaywiththeabilitytoexpandradiooptionstomeettheneedsoftomorrow.FireTideradioshavetheabilityofrunninginaMultipleInputMultipleOutput(MIMO)mode,whichallowswirelessthroughputtoexceed100Mbs,ortorunnonMIMOwithaconsistentthroughputofover10Mbs.ThedifferencebetweenMIMOandnonMIMOissimplyalicensekeytounlocktheabilityoftheradio,andareplacementoftheantennahorn.Themeshtechnologyallowsforradiopathstobeeitherspecificallydeterminedorautomaticallyroutedviatheradionetwork.Anotherfeatureallowingoptimalperformanceare

thedualprocessors.Unlikeotherradios,FireTideincorporatesdualprocessorstolimittheoverheadofsecurity.Oneprocessorhandlesthecommunicationswhiletheotherhandlessecurityandencryption.FireTideradiosareversatile,abletogowhereotherradioswerenot.Thechoicewastouseanoutdoorradioinordertouseashortercablefromtheradiotoantenna.Thespecificationoftheradioallowsfortheradiotomountinanylocationwherepowerispresent.Theradioalsoactsasaswitchallowingmultipledeviceconnectivity.However,themostrelevantcharacteristicoftheradioistheabilitytorunfrequenciesinthe902-928MHz,2.4GHz,4.9GHz,and5.4–5.8GHzspectrum.Thisalone,excludingtheGUI,security,andperformance,wouldhavesettheFireTideradioaboveitscompetitorsforthisproject.ResultAfterthecompletionoftheADRproject,CVWDwasgranted$462,300fromSouthernCaliforniaEdisontoproduceasystemabletoshedelectricalloadautomatically.Thisamountcoveredthepurchaseofallnecessaryhardware(excludingsixtowers)toproduceasystemcapableofmuchmorethanAutomatedDemandResponse.Alldesign,engineering,installation,commissioning,andmaintenancewasdoneinhouse,consistingof1,860man-hours.─ CVWD Production and Controls Team, Cucamonga Valley Water District


ClearSCADA Level 1 Training CourseMay 6-9, 2013 — Mill Valley, CA Aug 19-21, 2013 — Reno, NVNov 4-7, 2013 — Mill Valley, CADay1(8AM–4PM) InstallingClearSCADA,IntroductiontoClearSCADA, Components,UsingViewX,UsingWebX,ClearSCADAHelp

Day2(8AM-4PM) ConfiguringusingViewX,DatabaseOrganization,BasicTelemetryConfiguration,CreatingMimics,CreatingTrends

Day3(8AM-4PM) ConfiguringusingViewX,Templates&Instances,LogicLanguages,Security,CommunicationsDiagnostics

Day4(8AM-4PM) Reports,SystemConfiguration,SystemArchitecture,Questions

Cost: ClearSCADATrainingCourse $2,200

Telepace Studio Training CourseApril 30 - May 2, 2013 — Mill Valley, CASept 16-19, 2013 — Reno, NVOct 29-31, 2013 — Mill Valley, CA

Day1(8AM-4PM) SCADAPackcontrolleroperation,Series5000I/O,TelepaceStudiointroduction

Day2(8AM-4PM) TelepaceStudioadvancedprogrammingtechniquesandadvancedfunctions

Day3(8AM-2PM) Controllercommunications,ModbusMaster/Slaveprotocol,Diagnostics,Modems

Cost: SCADAPackTelepaceStudioCourse$1,650**YoumusthavealicensedcopyofTelepaceStudioinstalledonyourcomputerforthiscourse.CoursepriceforTelepaceStudio:$510+applicableCAsalestaxes

Instructors: ClearSCADALevel1&TelepaceclasseswillbetaughtbyTonySannellla,SageDesigns,aFactory-CertifiedInstructor.TheClearSCADALevel2classwillbetaughtbyaSEUSAtraininginstruction.TheClearSCADATestdriveswillbeconductedbySageDesignsorafactoryrepresentative.Location:Seeindividualcourseregistrationform.Thoserequiringovernightaccommodationsshouldcallthehoteldirectlyforreservations.

What should I bring?Laptopcomputerwithminimumrequirementsasshownonthespecificcourseregistrationforms,plusnecessarypermissionstoinstallsoftwareonyourcomputer.

*You must have a licensed copy of Telepace Studio to take the Telepace course. We offer a course price for a license or you may purchase through your local Schneider Electric TRSS representative.

What is provided?Coursemanual,dailycontinentalbreakfast,lunch&beverages.

TM Training Classes

Download the Registration form at: http://www.sagedesignsinc.com/events/index.htm

* * * Registration Deadline: 3 weeks before 1st day of course * * *Allregistrationsaresubjecttocancellationfees.Aconfirmationnoticewillbesenttoallregistrantsonorbeforethedeadlinedate.

Free Hands-On Test DriveCalltoScheduleaTestDriveCall 1-888-ASK-SAGEemail:[email protected]

(20 Contact Hours)(28 Contact Hours)

ClearSCADA SCADAPack

150 Shoreline Hwy. #8A, Mill Valley, CA 94941-3634 � Phone: 415-331-8826 . 1-888-ASK-SAGE . Fax: 415-331-8969 . 1-888-FAX-SAGE � www.SageDesignsInc.com

S C A D A W i s e B a s i c s

November 9, 2011 December 7, 2011 8AM — 1PM 8AM — 1PM SpringHill Suites by Marriott Holiday Inn Hotel & Conference Center 10593 Fairway Drive 9000 W. Airport Drive Roseville, CA 95678 Visalia, CA 93277 This ½-day course is designed for the non-technical person who wants to understand basic SCADA principles.

• PLCs vs. RTUs • Radio Systems • Host SCADA Software • Open Architecture Systems • SCADA Protocols

(3.5 Contact Hours)

S C A D A P a c k B a s i c s

November 9, 2011 December 7, 2011

Noon — 5 PM Noon — 5 PM SpringHill Suites by Marriott Holiday Inn Hotel & Conference Center 10593 Fairway Drive 9000 W. Airport Drive Roseville, CA 95678 Visalia, CA 93277 This ½-day course is designed for the mildly technical person who owns SCADAPack Controllers, but will never write programs.

• Tour of New Telepace Studio Software • Indicator Lights on SCADAPack Controllers • Communication Port Setup and Diagnostics • Boot Modes • Dowloading and Monitoring Programs

(3.5 Contact Hours)

What should I bring? Your thinking cap only. The SCADAPack Basics Course offers limited hand-on portions, equipment provided.

What is provided? Lunch (from Noon-1PM), coffee, soft drinks and snacks during course day.

To Register: Call 1-888-ASK-SAGE to reserve your seat. Then complete the information below and send to us

via fax to 1-888-FAX-SAGE or by email [email protected]. A confirmation will be emailed to you.

Name (please print):

Title:

Company:

Phone:

Address:

Fax:

City/State/Zip: Email:

Lunch choice (Nov 9) – A, B or C:

Lunch Choice A = Chicken Pesto Ciabatta, Choice B = Creole Chicken Wrap or Choice C = Penne Pomodoro (vegetarian)

Lunch choice (Dec 7) – A, B or C:

Lunch Choice A = Chicken Cordon Bleu, Choice B = Marinated Beef Tenderloin or Choice C = Pasta Primavera (vegetarian)

□ Roseville (November 9, 2011) — o r — □ Visalia (December 7, 2011) □ SCADAWise Basics Course (Morning Class only, lunch from 12-1PM) $ 450.00 (non-taxable services)

□ SCADAPack Basics Course (Afternoon class only, lunch from 12-1) $ 450.00 (non-taxable services)

□ Both SCADAWise Basics & SCADAPack Basics Courses (all day rate) $ 795.00 (non-taxable services)

METHOD OF PAYMENT: Purchase Order, Prepaid Check, Visa or Mastercard. Payment should be made to Sage Designs, Inc.

Course fees are due on or before the first day of class. No Shows or Cancellations made less than 6 business days prior to the first day of training will be billed at the full amount and

are not refundable. A confirmation notice will be sent to all registrants on or before the deadline date.

□ Purchase Order Billing: After telephoning your intent to register, fax/email Purchase Order addressed to Sage Designs, Inc.

Total to be invoiced against PO #____________________ is $_________________.

□ Prepaid Check: After telephoning your intent to register, mail a check addressed to Sage Designs, Inc. along with a copy of this form. Total Prepaid Check Amount: $________________.

□ Visa or MasterCard Billing: After telephoning your intent to register, fax or email this form. Total to charge on the first day of course $_________.

Visa or Master Card Acct #: ____________________________________________ Expires (MO/YR):_______ Cardholder Name (please print): _________________________________________ Phone: _____________________ Cardholder Authorization Signature: ____________________________________ email: ______________________ Cardholder Billing Address: _________________________________________________________________________ City:_____________________________________________ State: _____ Zip: ________________________________

* * * Registration Deadlines: November 2, 2011 (Roseville) and November 30, 2011 (Visalia)* * *

Schedule Your Own

ClearSCADA Level 2 Training CourseFall 2013 - TBADay1(8AM–4PM) Installation,UnderstandingtheArchitectureofClearSCADA,

ApplicationDesignConsiderations,ServerAutomationInterface,ClearSCADALogicEngine,UsingODBCandSQLwithClearSCADA

Day2(8AM-4PM) AdvancedMimicDesignandTechniques,DataGridsandDataTables.

Day3(8AM-1PM) AccessingHistoricalData,AdHoctrends,ArchivingPrerequisite:ClearSCADALevel1TrainingCourse

Cost:ClearSCADALevel2TrainingCourse $1,650Instructor:SchneiderElectricTelemetry&RemoteSCADASolutionsfactorytrainer.On-lineRegistration:https://www.clearscada.com/forms/training/advanced-training-registration/

This course has been certified by the California Department of Public Health as courses qualifying for contact hour credit for Water Operator Certification for Drinking Water Treatment or Distribution in the State of CA.

This course has been certified by the California Department of Public Health as courses qualifying for contact hour credit for Water Operator Certification for Drinking Water Treatment or Distribution in the State of CA.

SCADA Expert ClearSCADA 2013 R1 – What’s NewRemote SCADA Software Enhancement

BeNeFITS aT a GLaNCe

• Improved operational efficiency through increased system performance

• Improved engineering efficiency through simplicity and productivity

• Real-time operational data• Tailored trending display

aesthetics for greater ease-of-use

• Strategic enhancements to drive value in oil & gas and water & wastewater applications

aDDITIONaL eNHaNCeMeNTS

• Take advantage of improvements in operating system technologies with the addition of support for Microsoft Windows 8 and Server 2012

• Improved automatic trace colour selection

• Dynacard data export capability allows further data analysis by third party productivity tools such as XSPOC software

• New practical design guide providing ‘best practice’guidelines for SCADA Expert ClearSCADA deployments

User-friendly TrendingWhen a trace is selected on a trend it is no longer difficult to determine which Y-Axis relates to which trace, for attributes relating to the trace become clearly visible. In addition, trends are now highly configurable and many visual attributes can have a specific colour defined by the user.

ClearSCaDa MobileClearSCADA Mobile is an AndroidTM based mobile client and server system for SCADA Expert ClearSCADA. It brings mobility to SCADA operations, allowing technical staff and managers alike to obtain real-time information on the performance of the system, even while working in remote locations.

Updated Symbol LibraryThe SCADA Expert ClearSCADA symbol library has been updated to include 51 new symbols for the Telemetry & Remote SCADA Solutions (TRSS) range of products.

Integrated Database BackupThe new database Backup object enables users to perform backups of the database automatically using a scheduler. While the backup is in progress, the database will continue to operate; processing values, storing updates in memory and synchronizing updates to the standby.

SCADA Expert ClearSCADA software platform, now part of the StruxureWare software applications and suites, has recently incorporated new features and product enhancements to more efficiently manage and optimise the operation of plant and remote assets.

Improved Mimic Drawing PerformanceThe re-drawing times on mimics containing lines and polylines has been markedly improved (>75%) for ease of use and enriched operation.

enhanced Historian ScalabilitySCADA Expert ClearSCADA 2013 R1 provides significant reductions in start-up time for historic data and the event journal (97% and 94% reductions respectively). Records using 8 TB of storage space will now start up in under 16 minutes. There is also reduced memory required by the historian when storing data online for long periods with improvements over previous revision of up to 90%. Together these improvements considerably increase the scalability andsustainability of the historian allowing much more historic data to be kept online for longer periods.

Wastewater Starter application ProjectThis new example project will provide a foundation for the development of real-world wastewater lift stations. The example leverages the close integration of SCADAPack E RTUs and other Schneider Electric equipment like Altivar VSDs and PowerLogic energy meters.


Sage advice

ClearSCADA BasicsDrawing LayersAmongthemanypowerfulgraphicalcapabilitiesinClearSCADA,DrawingLayersisoftenoverlooked.SimilarinconcepttodrawinglayersinaCADprogram,youcanoverlaygraphicalelementsorhideareasofaMimicbyturningonoroffdifferentLayers.ThemostbasicwaytouseLayersistodeterminevisibilityofaLayerbasedonthezoomlevelofaMimic.Thisway,asanoperatorusestheirwheelmousetozoominonanareaofamap,layersthatshowmoredetailcanbecomevisible,muchthewayamapprogramwillshowonlymajorhighwayswhenzoomedoutandmoreminorstreetsasyouzoomin.YoucansetupmanyLayerswithVisibilityforeachLayeratdiffering

magnificationsasawayforanoperatortoaccessinformationabouttheirsystemwithoutnavigatingawayfromanOverviewMimic.Anothercommonuseistoyieldpop-upwindowswithtabsthatprovidemultiplepagesofinformation,againreducingtheneedforanoperatortonavigateawayfromapagetoaccessmoreinformation.Thevisibilityoflayerscanbecontrolledbytheoperator,events,orlogicaddingmoreinformationtoscreenswithoutclutter.PleaseletusknowifwecanhelpyoutobetterunderstandandutilizeLayersinClearSCADA.


Fundingawindturbineprojectdependsongovernmentsubsidiesandincentivesofferedbythelocalutilityprovider.InthestateofNevada,NVEnergy’sWindGenerationsprogramrequiresthatthepowercurvebecertifiedtotheIECstandard(61400-12).Theincentivespaidaredirectlyproportionaltothepowerproducedatawindspeedof11meterspersecond.TheunderlyingrequirementfortheIECcertificationisthecollectionofdatabeat1Hzorgreater.Thatis,datasamplingatoncepersecondorfaster.ButhowdoyouachievethiswhenyouhaveanexistingPLCcontrolpackagethatwasdesignedtocontrolthewindturbinestart-upandsynchronization,nottoemphasizethe“DA”in“SCADA?”HearingtheechoofTonySannella’svoice,toutingthevirtuesoftimestampingdatainthecontrollerwithDNP3,itwasaprettyeasydecisiontobuildaweatherstationaroundaSCADAPackandClearSCADA.Withthatinmind,wedevelopedourownweatherstationusingcalibratedtransmittersforwindspeed,winddirection,relativehumidity,temperatureandpressure.Puttingtheweatherstationtogetherandsettingupthecontrollertoscaleandreportthedatawastheeasypart.Thechallengewasputtingtheweatherstationatwindturbinehubheight,whichhappenstobe100feetintheair.Mostinstrumentationprojectsdon’trequireacraneandittookalmostaslongtogetthecranetotheReeseRiverValley,nearAustin,Nevada,asitdidtosetthetowerandguylines.Allinall,theweatherstationhasperformedflawlessly.WithClearSCADArunningonalaptop-hiddenintheturbinecontrolcabinet-andadirectEthernetlinktotheSCADAPack330and5506card,howfastwastheDataAcquisition?Thereweremanyinstanceswherethewindspeedchangedby0.1milesperhour,10timesinonesecond.Infact,thecontrollerwasinitiallysetupwithladderlogictoonlytakedataoncepersecond.Thatis,TelepacehasaprogramblocktoGenerateDNPEvent.Ultimately,theprogrammingwasabandonedinfavoroflettingthesystemtakeitsnaturalcourse

ondatascanningthroughputwith10Xperformance.OncethedatawasinClearSCADA,itwasimperativethatitbedownloadedfromthedatabasefortheIECmethodof“Bins.”Thestandardrequiresthatthedatabegroupedin1minutelongdatasetswithMin,Max,MeanandStandardDeviation.Then,thedatawastobegroupedinto10minutedatablocksofwindspeeddatain“Bins”of0.5meterpersecond.Youknow,somethingsarebestlefttoMicrosoftExcel.ClearSCADAallowedustovisuallyscanplotsforspecifictimeswhentheunitswereon-line,thenpullhistoricaldatabyspecifictimesandsimplycopyandpastetheresults.Abitkeyboardintensive,butitworked.Nowwhatisaguytodoaboutgettingdataquicklyfromfourdifferentwindturbinesonascanningradioscenario?AndwhyintheworlddoesSchneiderofferaSCADAPackwithnoI/O?Well,nottechnicallytrue,theSCADAPack330offerscounterinputs,butnotmuchelse.However,itdoeshaveanintegratedradioandcommunicationsports.Thepackagemadeforaverysmallfootprinttopiggy-backintoanexistingcabinettododataacquisitiononthemaincontroller.Fortunately,whenwedesignedthecontrolsystemfortheMatrixWindSolutionMWS100windturbines,weincludedapowerqualitymetertomonitorindividualphasecurrentsandvoltageswithrealtimepowercalculation.Further,wehadanexistingModbusserialconnectionbetweenthePLCandthepowerqualitymeter.Thiswasthebottleneck,butweweregettingaboutthreesampleseverytwosecondsandwellunderthe1Hzspecification.Areasonablemargin,butweneededtoinsuretheperformancepassedthrough.NowqueueTony’svoiceonceagainregardingDNP.Togetthere,weconnectedtheSCADAPack330witharadioandantennaonfourofthenineindividualturbinecontrolcabinetswithasimpleEthernetCAT-5cable.WhilethePLCwasscanningthepowerqualitymeterMODBUSserial,theSCADAPackwasscanningthePLCmemoryregistersusingModbusEthernetwithtimestampingand

bufferinginDNP.ThentheClearSCADAwasscanningforevetnsatleisure.Tooptimizethings,amajordatamappingexercisetookplace.TheoriginalwindturbinePLCprogramwasmodifiedtoaddcodetoconvertthedatatofloatingpointvaluesandgroupthedataincontiguousregisters.TheresultwasmeetingalltherequirementsfortheIECstandard.Thesideeffectwaslearningaboutthewindturbinesthemselves.TheMatrixWindSolutionsMWS100isaninductiongeneratorwithdynamicbladepitchcontrol.Thatmeans,thegeneratorhastoberunningsynchronoustothelinefrequency;inthiscaseapproximately1800RPM.Thebladesaremotorcontrolledandmovetothefeatherposition,whichessentiallyletsthewindblowpastthebladesinhighwind.Whenthereisadequatewind,thebladesaremovedincrementallytopowerproducingangles.AstheunitgeneratesRPM,thePLCwilltriggerthesoftstartandsynchronizetotheutility.Aswindspeeds,increasetheturbinewillgointoactivecontroltopositionthebladeswithlesspitchandkeeptheloadonthebladesinthepowerband.Shouldagustofhighwindcomethrough,thesystemisdesignedtotriponovercurrentandforcearestart.InadditiontotheIECrequiredweatherinformationandkilowatts,theRTUsandClearSCADAdatabasewassetupwith

DNP in Wind Turbine Generator Application

otherpointsofinterest.ThecoredatasetincludesgeneratorRPM,bladetargetangle,bladeactualangle,individualphasecurrentsandvoltages,runtimehoursandkilowatt-hourproduction.Totriggeranystart,alowcostanemometerwasusedasthetriggerfortheinitialrun.Someunitsexhibitedanumberoffalsestarts,andmoreimportantly,someunitsweremissingopportunitiestorun.Thecontrolprogramwaschangedtooptimizetheidlingspeedoneachunitandtotunethestartupcurve.Further,thehighwinddetectionwasimprovedtoeliminatestart-upwhenthewindspeedistoogreat.Tobeperfectlyhonest,Idon’tbelievetherearemanyhighspeeddataacquisitionimplementationsintheinstalledbase.WhenIfirstcalledthetechnicalsupportgroup,thefeedbackIreceivedwasthatitwasanunusualrequesttoattempttogetcontinuousoneseconddata,particularlyfromfourdifferentlocationsviaradiocommunications.But,theendresultoftheconversationwasthattheproducthadthatcapability.NevadaControlscanconfirmthatitindeedmeetsthe1Hzdatarequirement,evenwhenpiggybackedonanotherproductwithlimitedSCADAcapability.

─ Dan Wadelton, VP Engineering Nevada Controls


Controlling cost of ownershipThe installation, operation and maintenance of remote site SCADA operations is often the

most signifi cant overall long term expense factor. With scalability,fl exibility and ease-of-use

in mind, Schneider Electric’s Telemetry and Remote SCADA Solutions are tailored to help

lower this total cost of ownership.

Secure and Reliable SCADASafety and availability are must-have characteristics of critical infrastructure. This especially

holds true when considering security for SCADA systems that monitor and control remote

operations across a wide array of communications technologies. At Schneider Electric, our

Telemetry and Remote SCADA Solutions incorporate solid security at all levels, from the

fi eld to the enterprise.

Minimising risk by improving safety and regulatory complianceMany industries are challenged with increasing requirements for operational safety,

compliance with environmental regulations and the overall security of assets. Schneider

Electric’s Telemetry and Remote SCADA Solutions address all of these critical requirements

through fl exible end-to-end integration and comprehensive feature sets.

Innovation at work

ClearSCADA Software – Providing functions

to reliably and securely manage remote SCADA assets

across a wide range of communication options, with easy

integration into business systems.

Trio Data Radios – Ensuring data integrity over

short and long-haul distances with versatile and reliable

data transmission options.

SCADAPack Smart RTUs -The monitoring and

communication capabilities of a Remote Terminal Unit

(RTU) combined with the processing and data-logging

power of a Programmable Logic Controller (PLC).

Accutech Wireless Instrumentation –

Confi gurable startup and failsafe conditions, enhanced

diagnostics and years of maintenance free operation.

Make the most of your energySM

Let’s talk!

©2013 Schneider Electric. All Rights Reserved. Schneider Electric, MachineStruxure, and PacDrive are trademarks owned by Schneider Electric Industries SAS or its affi liated companies. All other trademarks are the property of their respective owners. www.schneider-electric.com

Make the most of your remote assets with complete end-to-end solutions for monitoring and controlling fi eld operations across a widely dispersed infrastructure

Field Devices

Remote Assets

PLCs & DrivesInstruments & Controls

Security

SCADAPackGas Flow Computers

& Transmitters

BaseRadio

SCADAPackSmart RTU

AccutechWirelessInstrumentation

RemoteCommunication Network

BusinessSystems

Control Room

BackboneIP Network

ClearSCADASoftware

TrioData Radio

RemoteMaintenance

RemoteWeb Users

BusinessApplication Servers

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andcharacteristicsofthecontrolisalwaystestedinacanalsimulationmodelpriortoprogrammingitintothePLC,andimplementedinthefield.Inmyexperiencewithseveralintegrators,allpreferladder.Itiswhattheyareusedto.Andmanygoodelectricianscanunderstand,writeanddeployladderprograms.Iagreethataslongasthecontrolalgorithmismanageable,suchasaproportional–integral(PI)control,ladderisanOKtool.But,asthecontrolalgorithmbecomesmorecomplicated,thebenefitofthecomfortofusingladderisquicklyreplacedbytheversatilityofotherlanguages,specificallystructuredtext.Asabuddyofmineputit,“Usingladderislikebeingagreatcarburetormechanic.Itwasgoodwhenallyouhadwerecarburetors.”Ibelieveitistimetomoveontomoreadvancedprogramminglanguages.Orattheveryleast,stoppropagatingthesoleuseofladder.Eventuallythosefuelinjectedsystemsmaybetheonlykindofenginesoutthere.Idonotunderstandthosewhobelievethatladderiseasiertouseandunderstand.Ithinkwhattheyarereallysayingisthatladderistheprimarylanguagetheyteachorhaveused.ForthelastseveralyearsIhavetaughtPLCprogramminginacanalmodernizationclass.OneofthefirstquestionsIaskiswhetherornotanyoneintheclasshaseverworkedinMicrosoftExcel.Mostoftheclasswillraiseahand.MynextquestioniswhethertheyhaveeverenteredanequationinExcel.Notasmanypeoplewillanswer“yes”tothesecondquestion.IfItookthatsamegroupofpeopleandaskedthemiftheyhaveeverwrittenaladderequation,Iwouldgetablankstareunlesstherewasanintegratororelectricalengineerintheclass.MyargumentisthatifyoucanwriteanequationinExcel,youcanwritestructuredtext.Actually,whenIdevelopPLCprograms,IwilldomyfirstroundoftestinginExcel.IfItakethetimetonamecells,myExcelequationsarenearlyidenticaltothestructuredtextinthePLC.Forexample,ifIwanttoscaleawaterlevelsensorinExcel,Iwouldwritetheequationinacellas=Raw_Count*Slope+Offset.Now,tomovethatsameequationtostructuredtext,theequationwouldlooklikeWater_Level:=Raw_Count*Slope+Offset.Tomakethisconversion,Ineededtoaddacolonbeforetheequalsignandendthelinewithasemicolon.Amorecomplexexampleisoneoftheequationsweusetocalculateadesiredgatemove(PID_DU),itlookslikethisinladder:

Instructuredtexttheequationis:PID_DU:=[6.77*(Set_KP*(PID_FE1-PID_FE2)+(SETKI*PID_FE1))]/[SET_GW*SQRT(PID_Ydiff)].Anyonewhohashadhighschoolalgebracanatleastreadthatequation.I’msorry,butIcannotfathomhowtheladderversionofthatiseasier.Ihavealsolistenedtoladderintegratorscomplain,“Wherearethecoils?Howdoyouturnsomethingon?”Idon’tknow,butValve_Open:=TRUE;looksprettycleartome.Integratorsalsocomplainaboutthestructuredtextsyntax.Theycomplainabouttheneedforthe“:”beforetheequalssignandendingthestatementwithasemicolon.Beyondthestandardbracketingrequirementsintheequationabove,theonlydifferencebetweenwhatiscodedandastandardequationisthecolonandsemicolon.But,forsomereason,theyfeelthesesyntaxrequirementsaremoreburdensomethantheladder.Fortimers,structuredtexthassomereallymysticconventions.(ForthoseofyouwhowatchBigBangTheory,yes,thatissarcasm.)Tostartatimer,youhavetoenteracommandlikeTStart(TMR1);.Orevenmoreconfusing,ifyouwanttostopit,youcode,TStop(TMR1);.Resettingatimerbacktozeroisalittlebitdifferent;hereyouhavetocodeTMR1:=t#0s;.Yes,thet#stuffisdifferent.Thereareshortcomingsinstructuredtext.Oneofthemainonesisindebugging.Thereisnoequivalenttohavingtheladderrungturnredwhentherungisinthetruestate.ISaGRAFdoeshavetwotoolstohelpwithdebugging:SpyListsandSpotlight,whichrequiresomeefforttosetup.Whenyouaredonesettingthemup,theyaremoreusefulthandebugginginladder.


InarecentconversationwiththeSageAdvisor,Iwasinformedthatladderprogrammingwastheeasiesttolearn.IdidnotwanttochallengetheSage,soIremainedquiet.Thewisdomtoremainquietwasquicklytrampledbytheabsurdityofthestatement.Whoonthisearthwouldthinkthatladderwaseasiertolearnthansay,structuredtext?Mr.Sannellaofferedmetheopportunitytoexplainmyperspectiveinthispublication.Consequently,Iwouldliketosharemyopinionoftheprosandconsofbothstructuredtextandladderprogramming.Yes,Idobelievetherearebenefitsofladderprogrammingandtherearedisadvantagesofstructuredtext.First,forfulldisclosure,InormallyuseSCADAPacksandIalwaysuseISaGRAF.WithinISaGRAF,95percentofthecodeI’vewrittenhasbeeninstructuredtextandtheremainderinFunctionBlockDiagram.Ihavebeenaround,neverwantingtodevelopin,andhaveaverylimitedworkingknowledgeofladder.IamacivilengineerandIhaveworkedaroundcanalsmyentire30yearcareerattheBureauofReclamation.ISaGRAFsupportsfivestandardprogramminglanguages:sequentialfunctionchart,functionblockdiagram,ladderdiagram,structuredtext,andinstructionlist.Inaddition,itsupportsanon-standardlanguagecalledflowcharting.Ifindflowchartingtobeamoregraphicalrepresentationoftheunderlyingprogramminglanguage.Inmycase,theunderlyingprogramminglanguageisstructuredtext.Ifnecessary,flowchartingcouldeasilybeconvertedtostructuredtext.MyinitiationintoPLCprogrammingwasprimarilycausedbytheunsuccessfuldeploymentofaladderprogramwrittenbyothers.Wehadjustspentabout$8,000,000oncanalimprovementsandautomation,buttheautomationdidnotwork.Soitwasabitlike,“getthisautomationworking,orelse.”IdidhaveexperiencewritinginFortran,sowhenIlookedforawaytocorrecttheladderprogram,Ifounditmucheasiertousestructuredtext.MostoftheautomationandcontrolalgorithmsthatweusehavebeendevelopedbytheIrrigationTrainingandResearchCenter(ITRC)inSanLuisObispo,California.The“problems”wehadwithourinitialautomationprojectwerenotcausedbyladder.But,whatwefoundisthatthemoderncontrolalgorithmsandlogicthatareneededforgoodcontrolaremoreeasilywrittenandcodedusingthesametypeofequationsinboththedevelopmentofthealgorithm,aswellasthePLCprogramming.By“developmentofthealgorithm,”Imeanthatthestability

Structured Text vs Ladder Logic Programming

8 CAMERA TIPS FOR PROTECTING WATER FACILITIES, PART 2 of 3

4. Don’t get stuck in the Dark – It’seasytogetcaughtupintheperimeterlayout,takingtimetoevaluatecameralocations,lensesandimageresolutiononlytoforgetthatallofthatchangeswhenthesungoesdown.Inmostcases,thelimitingfactorincoverageoccursintheeveninghours.Howdoyouintendtocoverthesceneindarkness?Willyouusesometypeofilluminant,suchasinfraredoravisiblelightsource,orperhapsthechoiceisathermalsensor?Acamerathatcancovera500mfencelineduringthedaymaybereducedto200matnightduetothetypeofilluminationbeingconsidered.Thisnotonlyimpactsthelayout,butobviouslyhasconsequencesinthefinalbudget.AnIRilluminatedcamerawillprovideyousomefacialdetailsandcanallowviewingoflicenseplates,butthisaddsapieceofequipment(mounting,powerandmaintenance)andissusceptibletoweatherconditionslikerain,snowandfog.Athermalcameramaycostyoualittlemoreandnotbeabletoprovideyoufacialorlicenseplatedetails,butcopesbetterwithweatherconditions.Bottomline,takethetimeto

considerhowthescenewillbecoveredinnighttimeoperations.5. Get an image – Thesayingisreallytrue,“A picture is worth a thousand words.”Ifatallpossible,trytogetanimagefromeachproposedcameralocation,mimickingtheintendedview.Gettingtheimageataboutthesamecameraheightisideal,butjustgettingasnapshotatgroundlevelcanalsobehelpful.Ifyouareaconsultantorintegrator,thisisoftendifficulttoachieve,giventhenatureofsitevisitsandotherrestrictions,butitwillprovideyouanaddedlevelofconfidenceinyourdesignandhelpretainsomeofthosesmalldetailsyoumayhaveforgottenafterbeingonsite.Ifyouarethesiteownerorconsultant,makingtheefforttoallowtheseviewstobecapturedcangoalongwayinuncoveringproblemsearlyinthedesign.Imagescanbeusedasagreatcollaborationtooltogainconsensusontheobjectiveofthecameraandinsurethatthelocationandviewwillachievethecameras’intendedmission.

To be continued next issue

Anotherliabilityofstructuredtextprogrammingisitslackofwidespreaduse.Thisisaself-propagatedproblemaggravatedbythecontinuedbeliefthatladderisnotonlypreferred,butsuperior.ThetworemainingissuesarewithISaGRAF,notstructuredtext,andrelatetoSchneiderElectric.TheISaGRAFapplicationwasdevelopedbyICSTriplexISaGRAF,whichisnowownedbyRockwellAutomationGroup.SchneiderhasnotchosentoimplementmostoftheimprovementstoISaGRAFthatRockwellhasmadesincethepurchasein2007inthestandardSCADAPack.Forexample,ISaGRAFisnowonversion6whichisavailablewiththeEseriesSCADAPackbutSchneidercontinuestosellversion3.5ISaGRAFforthestandardSCADAPackwhichwillnotruninnativeWIndows7.TheSchneider–Rockwellproblemdoesnot,inanyway,deterfromtheadvantagesofmoremodernprogramminglanguages.IhavebeenabletotakeIEEEcompliantstructuretextandmovethecodefromonebrandofPLCtoanother.Iwouldliketoclosewithmysecondstructuredtextapplication.WhenIwasdevelopingthiscode,Iwasnotadeptatmakingvariouspiecesofhardware“talk”toeachother,soIhiredanintegratortoworkwithme.Thisintegratorwas,andis,veryproficientinladder.Actually,duringdevelopment,hewouldwritethecodeinladderandthenfigureouthowtodothesamethinginstructuredtext.Attheendoftheproject,thisladderaficionadosaidtome,“Boy,I’mgladwedidnottrytodothatapplicationinladder.”─ Robert Norman, Civil Engineer, US Bureau of Reclamation, Grand Junction, CO

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