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专用
人人文库
NATIONALSTANDARD
OFTHEPEOPLESREPUBLICOFCHINA
CodeforDesignofSafetyInstrumentedSystem
inPetrochemicalEngineering
GB/T50770-2013
ChiefDevelopmentDepartment:ChinaPetrochemicalCorporation
ApprovalDepartment:MinistryofHousingandUrban-RuralDevelopment
ofthePeoplesRepublicofChina
ImplementationDate:September1,2013专用
人人文库
ChinaPlanningPress
Beijing2019
ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2013
EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2019
byChinaPlanningPress
rd
,,专用
3FloorCTowerGuohongBuilding
No.A11,Muxidi-Beili,XichengDistrict
Beijing,100038
PrintedinChinabyBeijingJingyintangGraphicPrintingCenter
©2013byMinistryofHousingandUrban-RuralDevelopmentof
thePeoplesRepublicofChina
Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor
byanymeans人人文库,graphic,electronic,ormechanical,includingphotocopying,recording,
oranyinformationstorageandretrievalsystems,withoutwrittenpermissionofthepublisher.
Thisbookissoldsubjecttotheconditionthatitshallnot,bywayoftradeorotherwise,belent,
resold,hiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof
blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition
includingthisconditionbeingimposedonthesubsequentpurchaser.
ISBN978-7-5182-1091-6
AnnouncementofMinistryofHousingandUrban-Rural
DevelopmentofthePeoplesRepublicofChina
No.1623
AnnouncementoftheMinistryofHousingandUrban-RuralDevelopmentofthe
PeoplesRepublicofChinaonIssueofNationalStandardCodeforDesignof
SafetyInstrumentedSysteminPetrochemicalEngineering
TheCodeforDesignofSafetyInstrumentedSysteminPetrochemicalEngineeringhasbeen
approvedasanationalstandardwithaserialnumberofGB/T50770-2013,anditwillbeimplemented
onSeptember1,2013.
AuthorizedbytheResearchInstituteofStandardsandNorms,MinistryofhousingandUrban-
RuralDevelopmentofP.R.China,thiscodeispublishedanddistributed专用byChinaPlanningPress.
MinistryofHousingandUrbanRuralDevelopmentofthePeoplesRepublicofChina
-
February7,2013
人人文库
Foreword
ThiscodeisdevelopedbySinopecEngineeringIncorporationincooperationwithotherinvolved
organizationsbasedontherequirementsofDocumentJIANBIAO〔2008〕No.105issuedbythe
MinistryofHousingandUrbanRuralDevelopmentNoticeontheDevelopmentandRevisionPlanof
--"
NationalEngineeringConstructionStandards(2ndGroup)in2008".
Inpreparingthiscode,theworkingteamdevelopedthecodebasedonwideandextensive
investigationsandstudiesmade,practicessummarized,commentsrequestedaswellasreferencesto
internationalcodesandstandards.
Thiscodecomprises15chapters,andmainlyincludesGeneralprovisions,Terminologiesand
abbreviations,Safetylifecycle,Safetyintegritylevel,GeneralRequirementsforDesign,Sensors,Final
elements,Logicsolvers,Communicationinterfaces,Humanmachineinterfaces,Applicationsoftware,
Engineeringdesign,Configuration,integrationandcommissioning,acceptancetesting,Operationand
maintenance,Managementofchanges,Documentationmanagementetc.
TheMinistryofHousingandUrban-RuralDevelopmentofthePeoplesRepublicofChinaisin
chargeofadministrationofthiscode,ChinaPetrochemicalCorporation(专用SinopecGroup)isresponsible
foritsroutinemanagement,andSinopecEngineeringIncorporationistaskedforexplanationofspecific
technicalcontents.Ifanycommentsandrecommendationsareproposedinimplementation,please
sendyourcomments/recommendationstoSinopecEngineeringIncorporation(Address:21Anyuan,
AnhuiBeiLi,ChaoyangDistrict,Beijing,Postcode:100101)asareferenceforrevisingthiscodeinthe
future.
Chiefdevelopmentorganization,codevelopmentorganization,participatingdevelopment
-
organization,chiefdrafterandchiefreviewerofthecode:
ChiefDevelopmentOrganization:
SinopecEngineeringIncorporation
-
CoDevelopmentOrganization:
ChinaHuanqiuContractingandEngineeringCorp.
SinopecNingboEngineeringCo.,Ltd
BeijingConsenAutomationControlCo.,Ltd
SinopecHoneywell(Tianjin)Co.Ltd
人人文库-
ParticipatingDevelopmentOrganization:
SinopecLuoyangPetrochemicalEngineeringCorporation
SinopecShanghaiEngineeringCo.,Ltd
CNPCEastChinaDesignInstitute
CNPCDaqingPetrochemicalEngineeringCo.,Ltd
SinopecYangziPetrochemicalCo.,Ltd
HIMA(Shanghai)SafetySystemCo.,Ltd
TimingWinner(Beijing)AutomationEquipmentCo.,Ltd
·1·
ChiefDrafter:
HuangBuyuYeXiangdongFanZonghaiMaLeiHuChenZhangJianguo
GaoShengjunLiLeiLinRongHuTongyinZhuXiangxuanZhangYuekun
WangFabingZhangTongke
ChiefReviewer:
ZhaoYongdengDingLanrongWangLifengWangChenglinWangShengli
LiuJunLiYumingSongZhiyuanYangJinchengLinHongjun
ZhouJiaxiangZhaoZhuGuZhengGeChunyuPeiBingan
专用
人人文库
·2·
Contents
1GeneralProvisions·……………(1)
2TermsandAbbreviations………………………(2)
2.1Terms…………………………(2)
2.2Abbreviations…………………(4)
3SafetyLifeCycle………………(5)
3.1GeneralRequirements……………(5)
3.2EngineeringDesign……………(5)
3.3Integration,CommissioningandAcceptanceTesting…………………(6)
3.4OperationandMaintenance………………………(6)
4SafetyIntegrityLevel…………(7)
4.1GeneralRequirements……………(7)
4.2SafetyIntegrityLevelAssessment…………………(7)
5GeneralRequirementsforDesign………………(9)
6Sensors…………………………专用(10)
6.1GeneralRequirements……………(10)
6.2SeparationRequirementsforSensors………………(10)
6.3RedundancyRequirementsforSensors……………(10)
6.4RedundancyMethodsofSensors…………………(10)
6.5DiscreteSensors………………(10)
7FinalElements…………………(11)
7.1GeneralRequirements……………(11)
7.2SeparationRequirementsforControlValves………(11)
7.3RedundancyRequirementsforControlValves………(11)
7.4ControlValveAccessories……………………(11)
8LogicSolvers……………………(12)
8.1GeneralRequirements…………(12)
8.2SeparationRequirementsforLogicSolvers…………(12)
8.3RedundancyRequirements人人文库forLogicSolvers………(12)
8.4ConfigurationRequirementsforLogicSolvers………(12)
8.5ConfigurationRequirementsforLogicSolverInterfaces………………(13)
9CommunicationInterfaces………………………(14)
9.1GeneralRequirements……………(14)
9.2ConfigurationRequirementsforCommunicationInterfaces……………(14)
10HumanMachineInterfaces……………………(15)
10.1OperatorStations………………(15)
10.2AuxiliaryConsoles……………(15)
10.3MaintenanceOverrideSwitches…………………(15)
·1·
10.4OperationOverrideSwitches……………………(16)
10.5ResetPushButtons……………(16)
10.6EmergencyShutdownPushButtons………………(16)
10.7EngineeringWorkstationsandSequenceEventRecorders…………(16)
11ApplicationSoftware…………(17)
11.1ConfigurationandProgramming…………………(17)
11.2SecurityofApplicationSoftware…………………(17)
11.3DesignandConfigurationofApplicationSoftware…………………(17)
12EngineeringDesign……………(18)
12.1BasicEngineeringDesign(BED)………………(18)
12.2DetailedEngineeringDesign(DED)……………(18)
13Configuration,IntegrationandCommissioning,AcceptanceTesting………(20)
13.1Configuration,IntegrationandCommissioning……………………(20)
13.2AcceptanceTesting……………(20)
14OperationandMaintenance,ManagementofChanges………(22)
15DocumentationManagement…………………(23)
ExplanationofWordinginThisCode……………(24)
ListofReferenceCodes/Standards…………………专用(25)
人人文库
·2·
1GeneralProvisions
Thiscodeisdevelopedtopreventandmitigatetheprocessrisks,securethestaffandproperty
1.0.1
safetyandprotecttheenvironmentinpetrochemicalplants.
Thiscodeisapplicabletotheengineeringdesignofsafetyinstrumentedsystemforgrassroots,
1.0.2
revampandexpansionprojectsinpetrochemicalplants.
Inadditiontothiscode,theengineeringdesignofsafetyinstrumentedsystemshallalsocomply
1.0.3
withthecurrentnationalcodesandstandards.
专用
人人文库
·1·
2TermsandAbbreviations
2.1Terms
Safetyinstrumentedsystem
2.1.1
Aninstrumentedsystemthatisusedtoimplementoneormoresafetyinstrumentedfunctions.
Risk
2.1.2
Thespecifichazardouseventsandconsequencesthatarepredicted.
Processrisk
2.1.3
Theriskthatisgeneratedfromvariationsofprocessconditionsduetoabnormalevents.
Safetylifecycle
2.1.4
Awholetimedurationfromthestartoftheconceptdesigntoallsafetyinstrumentedfunctionsare
nolongeravailableforuse.
Hazard
2.1.5
Thepossibilityresultingindangerouseventssuchasinjurytopersonnel,illhealth,propertyloss
anddamagetoenvironment.
Riskassessment专用
2.1.6
Awholeprocesstoassesstherisksizeandtodeterminetheriskrating.
Protectionlayer
2.1.7
Anyindependentmechanismthatisusedforriskreductionbyusingcontrolling,preventingand
mitigatingmeasures.
Safetyfunction
2.1.8
Afunctiontobeimplementedbysafetyinstrumentedsystem,othersafetyrelatedsystemsor
externalriskreductionfacilitiesforthepurposeofachievingormaintainingtheprocessinsafestate.
Safetyinstrumentedfunction
2.1.9
Asafetyprotectionfunctionorsafetycontrolfunctionimplementedbysensors,logicsolvers,final
elementsandrelatedsoftwareforthepurposeofpreventingandmitigatingconsequencesofdangerous
eventsorkeepingtheprocessinsafestate.
Fault
2.1.10
Anabnormalconditionthatmaypossiblyresultinthereductionorlossofimplementingcapability
ofthefunctionalunits人人文库.
Safetyintegrity
2.1.11
Theaverageprobabilityofsafetyinstrumentedfunctionsthatareachievedbysafetyinstrumented
systemunderthespecifiedconditionsandwithinthespecifiedtime.
Safetyintegritylevel
2.1.12
ThelevelofsafetyfunctionthatisrangedfromSIL1toSIL4inanorderfromlowleveltohighlevel.
Failure
2.1.13
Aterminationofonecertainfunctionorimplementingcapabilityofonefunctionalunit.
Dangerousfailure
2.1.14
Afailurethatmaypossiblyresultinpotentialdangerousconditionorfunctionlossofsafety
·2·
instrumentedsystem.
Safefailure
2.1.15
Afailurethatmaynotresultinpotentialdangerousconditionorfunctionlossofsafety
instrumentedsystem.
Sensor
2.1.16
Acomponentofsafetyinstrumentedsystem,whichisusedtomeasuretheprocessvariables.
Logicsolver
2.1.17
Acomponentofsafetyinstrumentedsystem,whichisusedforperforminglogicfunctions.
Finalelement
2.1.18
Acomponentofsafetyinstrumentedsystem,whichisusedtoexecutethecommandsorspecified
actionsoflogicsolverstokeeptheprocessinsafestate.
Basicprocesscontrolsystem
2.1.19
Asystemthatrespondstotheinputsignalsfromprocessmeasurementsandotherrelateddevices,
otherinstruments,controlsystemsoroperatorsandgeneratesoutputsignalsbasedonprocesscontrol
rules,algorithmsanddesiredmannertoperformprocesscontrolandoperationofrelatedequipments.
Failsafe
2.1.20-
Afunctionthatenablesthecontrolledprocessintoaprespecifiedsafestateincaseoffailureof
-
safetyinstrumentedsystem.
Redundancy专用
2.1.21
Twoormorecomponentsorsystemsthatareusedtoindependentlyperformonesamefunctionfor
achievingmutualbackupandswitchover.
-
Faulttolerant
2.1.22
Acapabilitythatthefunctionalunitiscapableofcontinuouslyexecutingthespecifiedfunctionsin
caseoffaultorerror.
Onoffvariable
2.1.23-
Avariablethathasonly0or1digitandusedtoindicatethestateofanobjectoranevent.Itisalso
calleddiscretevariable.
Switch
2.1.24
Adevicethathastwostablepositions,includingsoftwareswitchandhardwareswitch.
Pushbutton
2.1.25
Adevicethathasonlyonestableposition,includingsoftwarepushbuttonandhardwarepushbutton.
Mechanicalcontact
2.1.26
Amechanical人人文库electricaldevicethatcompriseselectricallyconductivemetalcomponents,which
maychangetheenergizingordeenergizingstateundertheactionofexternalfactors.
-
Contact
2.1.27
Anelectricaldevicethatenablesthechangeofenergizingordeenergizingstateundertheactionof
-
externalfactors,includingmechanicalcontactandelectroniccontact.Softwarecontactisalsoincluded
inarithmeticcomponentsofprogrammablelogicsolver.
Normallyclosedcontact
2.1.28
Acontactthatisclosedundernormalconditionswithouteffectofexternalfactors.
Normallyopencontact
2.1.29
Acontactthatisopenundernormalconditionswithouteffectofexternalfactors.
·3·
Programmableelectronicsystem
2.1.30
Asystemthatisusedforcontrolling,protectingormonitoringpurposesbasedontheelectronic
devicesthatmaybefunctionorientedprogrammedorchangetheoperationprocedures.
-
2.2Abbreviations
BPCS(BasicProcessControlSystem)
CPU(CentralProcessUnit)
EMC(ElectroMagneticCompatibility)
FAT(FactoryAcceptanceTesting)
FLD(FunctionalLogicDiagram)
FBD(FunctionalBlockDiagram)
FDS
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