Delta VFD004L11A User Manual page 36

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VFD-L Series
Example 4:
This example shows a potentiometer range of 0 to 5 Volts.
M a x .
O u tp u t
F re q .
Example 5:
In this example a 1 volt negative bias is used. In a noise environment, it is advantageous to
use negative bias to provide a noise margin (1V in this example).
M a x .
O u tp u t
F re q .
N e g a t iv e
b ia s 6 H z
Example 6:
In this example, a negative bias is used to provide a noise margin. Also a potentiometer
frequency gain is used to allow the Maximum Output Frequency to be reached.
M a x .
O u tp u t
F re q .
N e g a t iv e
b ia s 6 H z
P r.1 - 0 0
G a in a d ju s tm e n t
6 0 H z
3 0 H z
5 V
0 H z 0 V
P r.1 - 0 0
6 0 H z
5 4 H z
0 H z
0 V
1 V
1 0 V
P r.1 - 0 0
B ia s a d ju s tm e n t
6 0 H z
0 H z
0 V
1 V
1 0 V
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P a ra m e te r S e tt in g s
P r.1 - 0 0 = 6 0 H z - - M a x . o u tp u t F r e q .
P r.4 - 0 0 = 0 H z - - P o te n tio m e te r b ia s fr e q .
P r.4 - 0 1 = 0 - - b i a s p o la r i ty
P r.4 - 0 2 = 2 0 0 % - - p o t. fr e q . g a in
P r.4 - 0 3 = 0 - - p o t. R E V m o tio n e n a b l e
C a l c u la ti o n o f g a in
1 0 V
P r.4 - 0 2 = (
) x 1 0 0 %
5 V
P a r a m e te r S e tt in g s
P r.1 - 0 0 = 6 0 H z - - M a x . o u tp u t F r e q .
P r.4 - 0 0 = 6 H z - - P o te n tio m e te r b ia s fr e q .
P r.4 - 0 1 = 1 - - b i a s p o la r i ty
P r.4 - 0 2 = 1 0 0 % - - p o t. fr e q . g a in
P r.4 - 0 3 = 0 - - p o t. R e v. m o ti o n e n a b le
P a ra m e te r S e tt in g s
P r.1 - 0 0 = 6 0 H z - - M a x . o u tp u t F r e q .
P r.4 - 0 0 = 6 H z - - P o te n tio m e te r b ia s fr e q .
P r.4 - 0 1 = 1 - - b i a s p o la ri ty
P r.4 - 0 2 = 11 0 % -- p o t. fr e q . g a in
P r.4 - 0 3 = 0 - - p o t. R e v. m o t io n e n a b le
C a l c u la ti o n o f g a in
P r.4 - 0 3 = ( 1 + P r.4 - 0 0
) x 1 0 0 %
P r.1 - 0 0
5-18
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3 0
0
6 0
H z
5 V
0 V
P o te n tio m e te r S c a le
2 4
It's 0 H z
w ith in 0
th is
5 4
H z
r a n g e .
1 0 V
0 V
P o te n tio m e te r S c a le
2 7
It's 0 H z
0
w ith in
th is
6 0
H z
r a n g e .
1 0 V
0 V
P o te n tio m e te r S c a le