ABB DPU 1500R Instruction Book page 135

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Step 7: Click on the Relay Data tab. At this point, you'll see that the coefficients previously calculated appear
under Coefficients. Under Curve Series, select default. Time dial 1 through 10 should appear on the
screen for ANSI or 0.05 to 1 for IEC. Any combination of valid time dials can be used.
Step 8: Select Apply. At this point, a graph will appear on the screen. The graph format can be changed by
selecting different options under the Graph Menu at the top of the screen. The Curves can also be printed
for a clearer view.
Step 9: If you are satisfied with the results, select Save As under File and Type in a filename with a .crv extension.
This is the file to be used when downloading curves to your DPU1500R relay.
Step 10: The user also has the ability to save the worksheet. To do this, select Save Worksheet As under File and
type in a filename with a .wrk extension.
Optional Features
ABB Distribution Protection Unit 1500R
website:www.abb.com/papd
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