Delta C200 Series User Manual page 144

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Analog Input Bias (ACI)
Settings -100.0~100.0%
It is used to set the corresponding ACI voltage of the external analog input 0.
Analog Voltage Input Bias (AUI)
Settings -100.0~100.0%
It is used to set the corresponding AUI voltage of the external analog input 0.
The relation between external input voltage/current and setting frequency: 0~10V (4-20mA)
corresponds to 0-60Hz.
Reserved
Positive/negative Bias Mode (AVI)
Positive/negative Bias Mode (ACI)
Positive/negative Bias Mode (AUI)
Settings 0: Zero bias
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.
In the diagram below: Black color line: Frequency. Gray color line: Voltage
-V
10 9 8 7
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1: Lower than or equal to bias
2: Greater than or equal to bias
3: The absolute value of the bias voltage while serving as the center
4: Serve bias as the center
Frequency
60Hz
54Hz
6 5 4 3 2 1 1 2 3 4 5 6 7 8 9
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Chapter 11 Description of Parameter Settings|C200 Series
Pr.03-03=10%
Pr.03-07~03-09 (Positive/ Negat ive Bias Mode)
0: No bias
Lower than or equal to bias
1:
2: Greater than or equal to bias
3: T he absolute value of the bias volt age
while serving as the cent er
4: Serve bias as the cent er
V
Pr.03-10 (Analog F requency Command f or Reverse Run)
10
0: Negative frequency is not valid.
F orw ard and reverse run is controlled
by digital keypad or ext ernal t erminal.
1: Neagtive frequency is valid. Posit ive
f requency = forward run; negat ive
f requency = reverse run. Direct ion
can not be switched by digit al keypad or
external t eriminal control.
Pr.03-11 Analog I nput Gain (AVI)= 100%
11-45
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Factory Setting: 0
Factory Setting: 0
Factory Setting: 0
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