Function Applications
-509-
Para. No. Name
Default
Value Range Description
F8-29
Detection mode for
frequency reach 1
0
0: Always detect
1: Not detect
during
acceleration/
deceleration
This parameter defines the frequency 1
reach detection mode. When it is set to 0,
the DO/RO terminal outputs an active
signal if the detection condition is met.
When it is set to 1, the DO/RO terminal
does not output an active signal during
acceleration and deceleration even if the
detection condition is met.
F8-30
Detection value 2 for
frequency reach
50.00 Hz
0 to maximum
frequency (F0-
10)
When the running frequency of the AC
drive is within the frequency detection
range, the DO/RO terminal outputs an
active signal. The valid value range is
0.00 Hz to F0-10 (maximum frequency).
F8-31
Detection frequency 2
for frequency reach
2.50 Hz 0.00 to F8-28
Frequency detection range = (Detection
value 2 for frequency reach)±(Detection
frequency 2 for frequency reach). That is,
the frequency detection range is
calculated using (F8-30)±(F8-31).
F8-32
Detection mode for
frequency reach 2
1
0: Always detect
1: Not detect
during
acceleration/
deceleration
This parameter defines the frequency 1
reach detection mode. When it is set to 0,
the DO terminal outputs an active signal
if the detection condition is met. When it
is set to 1, the DO terminal does not
output an active signal during
acceleration and deceleration even if the
detection condition is met.
4.5.3 Current Detection
4.5.3.1 Zero Current Detection
When the output current of the AC drive is lower than or equal to F8-38 (zero current detection level)
for longer than the time defined by F8-39 (zero current detection delay), the DO terminal outputs an
active signal.
Figure 4-61 Zero current detection
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