Operating Instructions

Descriptions of Parameter Settings
Descriptions of Parameter Settings
144 | 443
Pr.
Explanation
Settings
Default
03-11
Analog input gain (AVI)
-500.0–500.0%
100.0
03-12
Analog input gain (ACI)
-500.0–500.0%
100.0
Pr.03-03–03-12 are used when the Frequency command source is the analog voltage or current signal.
Pr.
Explanation
Settings
Default
03-15
Analog input filter time (AVI)
0.00–20.00 sec.
0.01
03-16
Analog input filter time (ACI)
0.00–20.00 sec.
0.01
● Analog signals, such as those entering AVI and ACI, are commonly affected by interference that affects the
stability of the analog control. Use the Input Noise Filter to create a more stable system.
● When the time constant setting is too large, the control is stable but the control response is slow. When the
time constant setting is too small, the control response is faster but the control may be unstable. For optimal
setting, adjust the setting based on the control stability or the control response.
Pr.
Explanation
Settings
Default
03-18
Analog input addition function
0: Disable (AVI, ACI)
1: Enable (excludes analog extension card)
0
● When Pr.03-18=1:
Example: Pr.03-00 = Pr.03-01 = 1, Frequency command = AVI + ACI
● When Pr.03-18=0 and the analog input selection settings (Pr.03-00 and Pr.03-01) are the same, AVI has
priority over ACI. In other words, when Pr.03-00 and Pr.03-01 are both set to 1 (Frequency command), the
drive ignores the setting value from ACI but execute the Frequency command according to the setting value
from AVI.