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Fuji Electric FRENIC-Ace series - Page 223

Fuji Electric FRENIC-Ace series
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5.3 Description of Function Codes
5-53
FUNCTION CODES
Chap 5
When operating unipolar analog input as bipolar (terminal [C1] (C1 function) (C40 = 10, 11), terminal [C1]
(V2 function) (C45 = 0)
For C1 function set C40 = 10, 11, for V2 function set C45 = 0, and by setting bias value to minus value, it is
possible to obtain a negative reference frequency.
Example of frequency setting by V2 function when -100% is set to the bias value is shown in the diagram below.
F18 = -100.0%
10V
0V
5V
Reference frequency
Reference frequency -100%
Reference frequency
+100%
(V2) Input
Reference frequency 0%

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