Delta MH300 Series - Page 397

Chapter 12 Description of Parameter Settings
MH300
12.1-03-2
 When the settings for Pr.03-00 and Pr.03-01 are the same, the AVI input is selected first.

03-03
AVI Analog Input Bias
Default: 0.0
Settings -100.0–100.0%
 Sets the corresponding AVI voltage for the external analog input 0.

03-04
ACI Analog Input Bias
Default: 0.0
Settings
-100.0–100.0%
 Sets the corresponding ACI current for the external analog input 0.

03-07
AVI Positive / Negative Bias Mode

03-08
ACI Positive / Negative Bias Mode
Default: 0
Settings 0: No bias
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: Bias serves as the center
 In a noisy environment, use negative bias to provide a noise margin. Do NOT use less than 1 V
to set the operation frequency.

03-10
Reverse Setting when Analog Signal Input is Negative Frequency
Default: 0
Settings 0: Negative frequency input is not allowed. The digital keypad or external
terminal controls the forward and reverse direction.
1: Negative frequency input is allowed. Positive frequency = run in a forward
direction; negative frequency = run in a reverse direction. The digital keypad
or external terminal control cannot change the running direction.