12.6 F: OPTIONS
632 SIEPYEUOQ2A01A AC Drive Q2A Technical Manual
■ F1-09 Overspeed Delay Time
No.
(Hex.)
Name Description
Default
(Range)
F1-09
(0388)
Overspeed Delay Time
Sets the length of time that the speed feedback must be more than the F1-08 level to cause an oS
[Overspeed].
Determined by A1-02
(0.0 - 2.0 s)
When the motor speed is more than the value set in F1-08 [Overspeed Level] for longer than the time set in F1-
09, the drive will detect oS.
■ F1-10 Speed Dev Level
No.
(Hex.)
Name Description
Default
(Range)
F1-10
(0389)
Speed Dev Level
Sets the detection level of dEv [Speed Deviation] as a percentage when the maximum output
frequency is 100%.
10%
(0 - 50%)
When the speed deviation between the frequency reference and the actual motor speed is more than the value set
in F1-10 for longer than the time set in F1-11 [Speed Dev Delay Time], the drive will detect dEv.
■ F1-11 Speed Dev Delay Time
No.
(Hex.)
Name Description
Default
(Range)
F1-11
(038A)
Speed Dev Delay Time
Sets the length of time that the difference between the frequency reference and speed feedback
must be more than the level in F1-10 to cause a dEv [Speed Deviation].
0.5 s
(0.0 - 10.0 s)
When the speed deviation between the frequency reference and the actual motor speed is more than the value set
in F1-10 [Speed Dev Level] for longer than the time set in F1-11, the drive will detect dEv.
■ F1-12 Enc1 Gear Teeth1
No.
(Hex.)
Name Description
Default
(Range)
F1-12
(038B)
Enc1 Gear Teeth1
Sets the number of gear teeth on the motor side. This parameter and F1-13 [Enc1 Gear Teeth2]
set the gear ratio between the motor and encoder.
0
(0 - 1000)
After you set the number of gear teeth, the drive uses this formula to calculate the motor speed:
Note:
When F1-12 = 0 or F1-13 = 0, the gear ratio is 1.
■ F1-13 Enc1 Gear Teeth2
No.
(Hex.)
Name Description
Default
(Range)
F1-13
(038C)
Enc1 Gear Teeth2
Sets the number of gear teeth on the load side. This parameter and F1-12 [Enc1 Gear Teeth1] set
the gear ratio between the motor and encoder.
0
(0 - 1000)
After you set the number of gear teeth, the drive uses this formula to calculate the motor speed:
Note:
When F1-12 = 0 or F1-13 = 0, the gear ratio is 1.
■ F1-14 Enc PGOpen Time for Detection
No.
(Hex.)
Name Description
Default
(Range)
F1-14
(038D)
Enc PGOpen Time for
Detection
Sets the length of time that the drive must not receive a pulse signal to cause a PGo [Encoder
(PG) Feedback Loss].
2.0 s
(0.0 - 10.0 s)
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