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AutomationDirect DURAPULSE GS3-4030 - Page 111

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4–43
2nd Analog Input Offset Polarity
Default Setting: 00
Settings:
00 Offset disabled
01 Positive Offset
02 Negative Offset
This parameter sets the analog input 2nd bias frequency to be positive or negative.
• Select the 1st or 2nd sources with a Digital Input and the appropriate parameter
settings for P3.02 through P3.10.
• The 2nd Analog Input Offset calculation will also define the 2nd Analog Input
Offset Polarity. Refer to the note following P4.15.
• This parameter is available only with AC drive firmware v1.04 or higher.
Refer to P9.39 to determine the drive’s firmware version
2nd Analog Input Offset
Default Setting: 0.0
Range: 0.0 to 100%
This parameter provides a frequency offset for a second analog input.
• Select the 1st or 2nd sources with a Digital Input and the appropriate parameter
settings for P3.02 through P3.10.
• Use the equation below to determine the Analog Input Offset. For this equation,
you will need to know the necessary Minimum Frequency References and
Maximum Output Frequency needed for your application.
• This parameter is available only with AC drive firmware v1.04 or higher.
Refer to P9.39 to determine the drive’s firmware version.
The result of the 2nd Analog Input Offset calculation will also define the Analog 2nd
Input Offset Polarity (P4.14). A positive answer means you should have a positive
offset. A negative answer means you should have a negative offset.
x 100
Analog Offset % =
Min. Frequency Reference
Maximum Output Frequency
()
P4.15
P4.14
Chapter 4: AC Drive Parameters
DURAPULSE AC Drive User Manual
1st Ed. Rev. D 05/2013

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