
Function library
Function blocks
3.2.41 Digital frequency input (DFIN)
3−143
l
EDSVS9332K−EXT EN 4.0
Signal adaptation
Finer resolutions than the power−of−two format can be implemented by the downstream connection
of an FB (e.g. CONV3 or CONV4).
Example:
The FB CONV3 converts the speed signal into a quasi−analog signal. Conversion according to
formula:
CONV3−OUT[%] + f[Hz] @
0.4
Number of increments from C0425
@
C0950
C0951
CONV3
CONV3-OUTCONV3-IN
C0953
C0952
C0950
C0951
C0425
C0427
DFIN
DFIN-OUT
C0426
X9
Fig. 3−108 Digital frequency input (DFIN) with downstream converter
( STOP!
If C0540 = 0, 1, 2, 3 and feedback system C0025 > 10, you must not use the digital
frequency input X9.
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