Industrial Products and Applicationsyear , issue 2, april-may 2021

Power analyser with residual current monitoring (RCM)

The power analyser UMG 509, from Janitza, for front panel installation is equipped with a large colour graphic display with intuitive user guidance. Its comprehensive measurement functions are rarely seen in this price class - particularly not in combination with residual current monitoring. With this the user can detect fault sources in a timely manner, e.g. before an insulation fault leads to a system failure. Comprehensive communication options such as RS485, Ethernet TCP/IP, BACnet, HTTP, FTP, SNMP, SMTP, SNTP or DNS enable cost-efficient and rapid integration in existing communication architectures. Measurement takes place via 4 separate current inputs, be it for additional measurement in the N or PE, or for the measurement of 4 single-phase consumers. The UMG 509 is equipped with a separate consumption meter per current input. The large measurement storage capacity of 256 MByte enables the logging of all measured values over a period of months, also without interim read-outs. The high resolution graphic display provides online graphs, FFT with harmonics displayed in bar charts, clear presentation of the monthly kWh values, alarm management / event display with date and time stamps and many other functions.



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