19
UMG 509-PRO
www.janitza.com
3.9
Measuring method
The device:
·Measures without gaps and calculates all RMS
values over a 200 ms interval.
·Measures the true RMS value (TRMS) of the volt-
ages and currents applied to the measurement
inputs.
3.10 Operating concept
You can program the device and retrieve mea-
sured values in several ways:
·
Directly on the device
using 6 button and the
display.
·Using the
GridVis® programming software.
·Using the
device homepage.
·The
Modbus protocol
can be used to change
and retrieve data with the help of the Modbus
address list. This list is available via the device
homepage.
3.11 GridVis® network analysis software
You can program the device and read out data
using the GridVis® network analysis software
available at www.janitza.com. To do so requires
that a PC be connected to the device via a serial
interface (RS-485 / Ethernet).
The GridVis® network analysis software allows
you to:
·Program the device.
·Configure and read out recordings.
·Analyze the data that has been read according
to EN 61000-2-4.
·Save data to a database.
·Display measured values graphically.
·Program customer-specific applications.
