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Power Quality Monitoring

Power Quality Monitoring

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tChapter 2Scope of operationRouter PLC SoftwareInterfacesEthernetRS 485NetworksIT, TN, TT networks3 phase and 4 phase networks8 digital inputsPulse inputLogic inputStatus monitoringHT/LT switch overEmax (max. demand) resetting5 digital outputsPulse output kWh/kvarhSwitch outputLimit value outputEmax outputLogic output(can be extended through external I/Omodules)CommunicationProfibus (DP/V0)Modbus (RTU, UDP, TCP, gateway)TCP/IPBACnetHTTP (freely configurable homepage)FTP (file transfer)TFTP (automatic configuration)NTP (time synchronisation)SMTP (e-mail function)DHCPSNMPMeasurement accuracyClass: 0.5S (…/5A) classCurrent: 0.2%Voltage: 0.2%Memory256 MB Flash16 MB RAM<strong>Power</strong> qualityHarmonics up to 63 rdShort-term interruptionsTransient recorder (>50µs)Starting current (>10ms)UnbalanceHalf wave-effective valuerecordings (up to 4.5 min)FlickerPeak demand management64 stages for load sheddingprogramming language95

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