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Lenze EVS9332xP Manual de usuario Pagina 197

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Function library
Function blocks
3.5.28 Digital frequency output (DFOUT)
3−169
l
EDSVS9332P−EXT DE 2.0
3.5.28.2 Output of an analog signal
For this purpose, set code C0540 = 0. The value applied at input DFOUT−AN−IN is converted into a
frequency.
Transfer function
f[Hz] + DFOUT * AN * IN[%] @
No. of increments from C0030
100
@
C0011
60
Example:
DFOUT−AN−IN = 50 %
C0030 = 3, this corresponds to a number of increments of 2048 inc/rev.
C0011 = 3000 rpm
f[Hz] + 50% @
2048
100
@
3000
60
+ 51200Hz
Generating a zero pulse
An artificial zero pulse can be generated for the output frequency.
1. Activate the function through a LOW ® HIGH edge at the input DFOUT−SYN−RDY.
2. A LOW ® HIGH edge at terminal X5/E5 causes the generation of the zero pulse after 360°.
After this, every 360° a zero pulse is generated according to the setting in C0030.
3. The zero pulse is automatically shifted by the value C0545.
) Note!
This procedure must be done after every mains switching.
3.5.28.3 Output of a speed signal
l Set C0540 = 1.
– This setting only converts the value at input DFOUT−DF−IN into a frequency.
Transfer function
f[Hz] + DFOUT−DF−IN[rpm] @
No. of increments from C0030
60
Example:
DFOUT−DF−IN = 3000 rpm
C0030 = 3, this corresponds to a number of increments of 2048 inc/rev.
f[Hz] + 3000[rpm] @
2048
60
+ 102400[Hz]
Generating a zero pulse
An artificial zero pulse can be generated for the output frequency.
1. Set input DFOUT−SYN−RDY = edge from LOW ® HIGH.
2. A LOW−HIGH edge at terminal X5/E5 causes the generation of the zero pulse after 360°. After
this, every 360° a zero pulse is generated according to the setting in C0030.
3. The zero pulse can be shifted by +360° via C0545 (65536 inc = 360°).
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