User Manual, Firmware rev. 3.0 or LATER Owner's manual

159Publication 1404-UM001F-EN-P - November 2009 159

Chapter

Advanced Features

In this chapter we discuss major features that, for the most part, are

found only in the Powermonitor 3000 M6 and M8 models. The

exception is that basic harmonic analysis is supported in the M4 and

M5 models.

Oscillography

Oscillography captures waveforms of the voltage and current present

at the power monitor input terminals. A client application reads

oscillography records by using the indexed read method. The main

features of oscillography include the following:

• Simultaneous capture of all seven voltage and current channels

• Non-volatile storage of up to 8 (M6) or 2 (M8) captures

• Configurable sampling rate up to 5.4 kHz or 90 samples per

cycle at 60 Hz

• Captures may hold up to 408 cycles of data per channel at 60 Hz

• Configurable data resolution of 13 bit w/ sign or 7 bit w/sign

• Configurable pre-trigger means the capture includes waveform

information prior to the triggering event

• Setpoints or communication may trigger oscillogram captures

• All communication options support oscillography

You may choose to use RSPower, RSPowerPlus, or RSEnergyMetrix

software, or create a custom application, to configure oscillography

and read waveform data. RSPower software may be configured to

automatically download and save waveforms to a disk file, and then

clear the oscillography buffers.