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Chapter 11. Monitoring
2: FDT-3
It activates when run frequency meets the following condition.
Active condition: Absolute value (FDT level - run frequency) <= FDT Bandwidth/2
Group
LED
Display
Parameter Name
Set
value
Min/Max
range
Factory
default
Unit
I52
[Frequency Detection
level]
-
30.0
I/O group
I53
[Frequency Detection
Bandwidth]
-
0/400
10.0
Hz
It cannot be set above F21- [Max frequency].
When setting I52 and I53 to 30.0Hz and 10.0 Hz, respectively
Freq.
MO
Run
command
25Hz
30Hz
35Hz
3: FDT-4
Become active when run frequency meets the following condition.
Active condition
Accel time: Run Frequency >= FDT Level
Decel time: Run Frequency > (FDT Level – FDT Bandwidth/2)
Group
LED
Display
Description
Set
value
Min/Max
range
Factory
default
Unit
I52
[Frequency Detection
level]
-
30.0
I/O group
I53
[Frequency Detection
Bandwidth]
-
0/400
10.0
Hz
Cannot be set above F21- [Max Frequency].
When setting I52, I53 to 30.0 Hz and 10.0Hz, respectively.
Freq.
MO
Run
command
25Hz
30Hz
4: FDT-5
Activated as B contact contrast to FDT-4.
Active condition
Accel time: Run Frequency >= FDT Level
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