Function Application
‑504‑
Procedure
Para.
Description
(Step 1) Set AI curves.
Set the relationship between
voltage/current input over
the AI and the preset values.
F4‑13 to F4‑16
Curve 1 settings
F4‑18 to F4‑21
Curve 2 settings
F4‑23 to F4‑27
Curve 3 settings
A6‑00 to A6‑07
Curve 4 settings
A6‑08 to A6‑15 Curve 5 settings
F4‑34
Setting for the AI lower than the
minimum input (When an AI is used
as the main frequency source,
100.0% of the voltage/current input
corresponds to the maximum
frequency F0‑10.)
(Step 2) Select AI curves for
the AIs.
Select AI curves and set the
filter time.
F4‑33
AI curve selection. You can select
any AI curve for an AI. Generally, use
the default value (F4‑33 is set to
321), indicating curve 1 for AI1,
curve 2 for AI2, and curve 3 for AI3.
F4‑17, F4‑22, F4‑27
Filter time of AI1 to AI3
(Step 3) Select an AI as the
frequency source.
Select an AI as the source of
the frequency reference
based on terminal
characteristics.
F0‑03 (main
frequency source
selection)
Set F0‑03 to 2.
AI1 is used as the source.
Set F0‑03 to 3.
AI2 is used as the source. In this
case, voltage input or current input
can be selected by using the jumper
cap J7 on the control board.
Set F0‑03 to 4.
AI3 is used as the source. In this
case, voltage input or current input
can be selected by using the jumper
cap J5 on the control board.
Setting AI Curves
Five types of AI curves are available, among which curve 1, curve 2, and curve 3 are
two‑point curves that are set through parameters F4‑13 to F4‑27. Curve 4 and curve 5
are four‑point curves that are set through parameters of group A6.
In the following example, AI curve 1 is selected and set through F4‑13 to F4‑16.
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