倍加福电源产品英文介绍.pdf
PROCESSAUTOMATION
PowerSupplyReliability
TECHNICALWHITEPAPER
owersupplysystemsareavailablewithbuilt-inredundancy
anddiagnostics,providingreliablepowerwithminimal
Pconfigurationandengineeringeffortrequiredfromend
users.
Preparedby:
MarkTimieski
HardwareDesignEngineer
RobertSchosker
ProductManager
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TECHNICALWHITEPAPER
TableofContents
Abstract3
DiagnosticBenefits4
RedundancyRules6
DiagnosticDetails7
NetworksDeliverInformation8
StandardsandEfficiency9
ReliabilityBringsBenefits10
Conclusion11
References12
Notes13
22
POWERSUPPLYRELIABILITY
Title:PowerSupplyReliability
Abstract:
Reliablepowerisafundamentalrequirementforanyautomationsystemapplication,butsome
situationsdemandtheveryhighestintegritylevelpowersupply.Petroleumrefineries,safetysystems,
emergencysystems,andmanyautomatedprocessesutilizingdigitalfieldbusnetworksareprime
candidatesforpowersupplyredundancybackedbycomprehensivediagnosticscapabilities—which
togetherprovidemaximumreliability.
Simplepowersupplyredundancyusingdiodestoisolatemultiplesupplieshasbeenatraditional
solution.Itiseconomicalandhasfewdrawbacks,butthisconfigurationdoesnotofferthehighestlevel
ofperformance,andusersarelefttodeveloptheirownmethodsofmonitoringtheequipmentand
poweravailability.Thisinvolvesextraeffort,risk,andcost.
Anewclassofredundant-capablepowersupplyplatformsisnowavailable,offeringnotonlyhigh
reliability,butalsoextendeddiagnosticfeaturessuchaspowerquality