Chapter 12 Description of Parameter SettingsMS300 (High Speed Model)
12-03-13
Analog Input Gain (AVI)
Analog Input Gain (ACI)
Factory Setting: 100.0
Settings -500.0~500.0 %
Pr. 03-03 to 03-14 are used when the source of frequency command is the analog voltage /
current signal.
Analog Input Filter Time (AVI)
Analog Input Filter Time (ACI)
Factory Setting: 0.01
Settings 0.00~20.00 sec.
These input delays can be used to filter noisy analog signal.
When the setting of the time constant is too large, the control will be stable but the control
response will be slow. When the setting of time constant is too small, the control response will be
faster but the control may be unstable. To find the optimal setting, please adjust the setting
according to the control stable or response status.
Addition Function of the Analog Input
Factory Setting: 0
Settings 0: Disable (AVI, ACI)
1: Enable (Exclude analog extension card)
When Pr. 03-18 is set to 1:
EX1: Pr. 03-00 = Pr. 03-01 = 1 Frequency command = AVI + ACI
When Pr. 03-18 is set to 0 and the analog input setting is the same, the priority for AVI, ACI and
AVI > ACI
Signal Loss Selection of Analog Input 4-20 mA
Factory Setting: 0
Settings 0: Disable
1: Continue operation at the last frequency
2: Decelerate to 0 Hz
3: Stop immediately and display ACE
This parameter determines the behavior when 4~20 mA signal is loss, when ACIc (03-29 = 0).
When Pr. 03-29≠0, it means the voltage input to ACI terminal is 0~10V or 0~20mA. At this
moment, Pr. 03-19 will be invalid.
When setting is 1 or 2, it will display warning code “ANL” on the keypad. It will be blinking until the
loss of the ACI signal is recovered.
When the motor drive stops, the condition of warning does not exist, then the warning will
disappear.
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