6. Description of Parameters
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6
6.11.3 Frequency Detection (FDT)
This function sets detection values of output frequency and sets hysteresis level for the
frequency detection function.
Figure 6-59 Frequency detection
Time (t)
Output
frequency (Hz)
Frequency
detection level 1
Time (t)
ON
Frequency
hysteresis
= F8-19 x F8-20
(DO, relay)
Function Code
Parameter Name
Setting Range
Default
F8-19
Frequency detection value 1
0.00 Hz to max. frequency
50.00 Hz
F8-20
Frequency detection hysteresis 1
0.0% to 100.0%
5.0%
F8-28
Frequency detection value 2
0.00 Hz to max. frequency
50.00 Hz
F8-29
Frequency detection hysteresis 2
0.0% to 100.0%
5.0%
F8-19: It sets detection value for digital output function 3. When running frequency exceeds the
detection value, digital output terminal set for function 3 becomes on.
F8-20: It sets hysteresis level for the frequency detection function. It is a percentage of the
frequency detection value (F8-19).
6.11.4 Frequency Reference Reached Detection Width
This function sets the detection width of the frequency reference.
Figure 6-60 Frequency reached detection width
Detection width =
max. frequency x F8-21
Time
(t)
Output
frequency (Hz)
Frequency reference
ON
ON
Frequency
reached signal
Function Code
Parameter Name
Setting Range
Default
F8-21
Detection width of target frequency reached
0.0% to 100.0%%
0.0%
Summary of Contents for MD290 Series
Page 1: ......
Page 79: ...3 Electrical Installation 78 3 ...
Page 80: ...4 Operating Panel Keypad Display 4 1 Introduction 80 4 2 Inbuilt LED Operating Panel 80 ...
Page 92: ...5 Quick Setup 5 1 Get Familiar With Operating Panel 92 5 2 Setup Flowchart 93 ...
Page 227: ...7 Interfaces and Communication 226 7 ...
Page 285: ...10 Troubleshooting 284 11 ...
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