Chapter 4 Parameters
4-168
12.28
AUI Bias Polarity
Factory Setting: 0
Settings 0 Positive bias
1 Negative bias
12.29 AUI Analog Gain Unit: %
Settings 1 to 200% Factory Setting: 100
12.30
AUI Negative Bias, Reverse Motion Enable/Disable
Factory Setting: 0
Settings 0 No AUI Negative Bias Command
1 Negative Bias: REV Motion Enabled
2 Negative Bias: REV Motion Disabled
12.31 AUI Analog Input Delay Unit: 2ms
Settings 0 to 9999 Factory Setting: 50
In a noisy environment, it is advantageous to use negative bias to provide a noise margin. It is
recommended NOT to use less than 1V to set the operation frequency.
Pr.12-26 to Pr.12-31 can be used to set the frequency command by adjusting analog input
voltage -10V to +10V. Refer to Pr.04-00 to 04-03 for details.
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