DSQC662 3HAC026254-001/11 ABB Robot Drive Card Module

Description

Change the Color of each graph as desired, and select other options as

required, by checking the appropriate boxes.

 Click OK to store these graph attributes, and to close the window.

The Waveform Capture window will reappear with the selected graph attributes available

for use.

4.6.3 Trending (data logger)

The trending or data logger feature is used to sample and record up to eight actual values

at an interval defined by the user. Several parameters can be trended and graphed at

sampling periods ranging from 1 second up to 1 hour. The parameters which can be

trended by the EnerVista 745 Setup software are:

Currents/voltages:

–

I a, I b, I c, I n, and I g currents for windings 1, 2, and 3

– Positive-, negative-, and zero-sequence currents for windings 1, 2, and 3

–

I a, I b, and I c differential and restraint currents

– System frequency

– Frequency decay rate

Harmonics:

– Total harmonic distortion (THD)

– Harmonic derating factor

Temperature:

– Ambient temperature

– Hottest-spot winding temperature

– RTDs 1 through 12

Demand:

– Current demand for Windings 1, 2, and 3

Others:

– Analog inputs 1, 2, 3, and 4

– Accumulated loss-of-life

– Aging factor

– Tap changer position

 With EnerVista 745 Setup running and communications established,

select the Actual Values > Trending menu item to open the trending

window.

 To prepare for new trending, select Stop to stop the data logger and

Reset to clear the screen.

 Select the graphs to be displayed through the pull-down menu beside

each channel description.

 Select the sample rate through the pull-down menu

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