Released: 6/2/2009

The new DIN-rail mounting, Janitza Power Quality Analyser (model UMG 604) performs comprehensive power and power quality analyses, and can communicate, utilizing a large number of protocols, with SCADAs, PLCs, ProfiBus, and Modbus systems as well as building management systems such as BACnet and providing demand control.
 
As such the Janitza UMG 604 Power Quality Analyser is suited to both analytical and control tasks including UPS systems, standby generators, power factor control, control of active harmonic filters, etc.
 
Utilising a 500 MHz CPU/DSP the Janitza UMG 604 Power Quality Analyser can detect transients as small as 50 microseconds, and measures harmonics to the 40th order. The instrument monitors three phases and neutral; measuring phase and line volts, phase current, power and apparent power. Analysis is performed in terms of symmetrical components (positive, negative and zero phase sequence). Voltage sag and over-voltage incidents, minimum, maximum and average value are computed over programmable time intervals. Analysis results are stored in the instrument’s internal flash memory of 128 MB capacity.
 
The Janitza UMG 604 Power Quality Analyser is provided with digital inputs and outputs as well a temperature sensor. RS 232 and RS 485 ports are provided, the latter supporting Modbus TCP/IP, Profibus DP40 and BACnet. In addition Ethernet 10/100 Base TX, FTP/TFTP are supported.
 

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