Digital input/ output parameter group 03
PARAMETER DESCRIPTION 155
If 03-21(P.42)=30 and 03-22(P.43)=99999 (default), FU signal will output when forward and reverse rotation
frequency exceed 30Hz.
SO2
Output
frequency
(Hz)
Output signal
OFF
OFF
ON
Time
（
s
）
03-21
(P.42)
03-22
(P.43)
ON
OFF
Run forward
Run reverse
Note: SU and FU mentioned in this paragraph are the function names for digital output. Please refer to
03-10~03-13(P.40,P.85，P.129~P.130),03-42~03-57(P.568~P.583);
Please refer to section 3.7 for wiring.
5.4.8 Zero current detection
Detects output current level and send signal to digital output terminal.
Parameter
Name
Default Setting Range
Content
03-23
P.62
Zero current detection
level
5.0%
0～200.0%
---
99999
Off.
03-24
P.63
Zero current detection
time
0.50s
0～100.00s
---
99999
Off.
Zero current detection
Assume inverter is fully loaded at rated value and current is 20A, set 03-23(P.62)=5% and 03-24(P.63)=0.5s,
terminal function OMD will output signal when output current is less than 20×5%=1A and exceeds 0.5s, as shown
below figure:
100%
03-23
（
P.62
）
O
u
tp
u
t c
u
rr
e
n
t
（
％
）
Time
Output
03-24
（
P.63
）
OMD
full load current level
Time
If set 03-23(P.62) or 03-24(P.63) to 99999, zero current detection function is off.
Note: In this paragraph, OMD mentioned in this paragraph are the function names for digital output. Please refer to
03-10~03-13(P.40,P.85，P.129~P.130),03-42~03-57(P.568~P.583);
Please refer to section 3.7 for wiring.
Setting
