Powtran PI160-0R7G1(Z) - Page 85

Chapter 5 Function parameter
81
Chapter 5
width
Set frequency
Time(t)
Detection
amplitude
Output Frequency Hz
Frequency reaches
detection signal
ON
ON
Time(t)
Figure 5-22:Schematic diagram of frequency arrival detection amplitude
The inverter's multifunction output DO will output ON signal when the inverter's operating
frequency is in a certain range of target frequency
This parameter is used to set the frequency arrival detection range, the parameter is the
percentage of maximum frequency. The above figure is the schematic diagram of frequency
arrival.
F7.26
Frequency detection value
(FDT2 )
0.00Hz～F0.19 (Maximum
frequency)
50.00Hz
☆
F7.27
Frequency detection
hysteresis (FDT2 )
0.0%～100.0%(FDT2 level)
5.0%
☆
The frequency detection function is same as FDT1 exactly , please refer to the instructions
of FDT1 or function codes F7.23, F7.24.
F7.28
Random arrivals frequency
detection value 1
0.00Hz～F0.19 (Maximum
frequency )
50.00Hz
☆
F7.29
Random arrivals frequency
detection width 1
0.0%～100.0%(Maximum frequency )
0.0%
☆
F7.30
Random arrivals frequency
detection value 2
0.00Hz～F0.19(Maximum
frequency )
50.00Hz
☆
F7.31
Random arrivals frequency
detection width 2
0.0%～100.0%(Maximum frequency )
0.0%
☆
When the inverter's output frequency randomly reaches the range of the detected
value(positive or negative), the multi-function DO will output ON signal.
PI160 provides two groups of parameter to set frequency value and frequency detection
range. The above figure is the schematic diagram of the function.
Random arrivals
frequency
Time(t)
Frequency detection range
Running frequency
ON
OFF
ON
OFF
Random arrivals
frequency
detection signal
DO or relay
OFF
Frequency detection range
Figure 5-23:
Schematic diagram of random arrivals frequency detection
F7.32
Zero current detection level
0.0%～300.0%(rated motor current)
5.0%
☆