Parameter List
3
3.9 F: Options
YASKAWA TOEPYAIGA8001B GA800 Drive Maintenance & Troubleshooting 183
3.9 F: Options
◆ F1: Encoder Option Setup
No.
(Hex.)
Name Description
Default
(Range)
F1-01
(0380)
Encoder 1 Pulse Count
(PPR)
Sets the number of output pulses for each motor revolution.
1024 ppr
(1 - 60000 ppr)
F1-02
(0381)
Encoder Signal Loss Detect
Sel
Sets the method to stop the motor or let the motor continue operating when the drive detects PGo
[Encoder (PG) Feedback Loss].
0 : Ramp to Stop
1 : Coast to Stop
2 : Fast Stop (Use C1-09)
3 : Alarm Only
4 : No Alarm Display
1
(0 - 4)
F1-03
(0382)
Overspeed Detection
Selection
Sets the method to stop the motor or let the motor continue operating when the drive detects oS
[Overspeed].
0 : Ramp to Stop
1 : Coast to Stop
2 : Fast Stop (Use C1-09)
3 : Alarm Only
1
(0 - 3)
F1-04
(0383)
Speed Deviation Detection
Select
Sets the method to stop the motor or let the motor continue operating when the drive detects dEv
[Speed Deviation].
0 : Ramp to Stop
1 : Coast to Stop
2 : Fast Stop (Use C1-09)
3 : Alarm Only
3
(0 - 3)
F1-05
(0384)
Encoder 1 Rotation Selection
Sets the output sequence for the A and B pulses from the encoder, assuming that the motor is
operating in the forward direction.
0 : Pulse A leads in FWD Direction
1 : Pulse B leads in FWD Direction
Determined by A1-02
(0, 1)
F1-06
(0385)
Encoder 1 Pulse Monitor
Scaling
Sets the ratio between the pulse input and the pulse output of the encoder as a 3-digit number. The
first digit is the numerator and the second and third digits set the denominator.
The dividing ratio = (1 + x)/yz when the setting value is a 3-digit value (xyz).
001
(001 - 032, 102 - 132 (1 - 1/
32))
F1-08
(0387)
Overspeed Detection Level
Sets the detection level of oS [Overspeed] as a percentage when the maximum output frequency is
100%.
Note:
• Parameter A1-02 [Control Method Selection] selects which parameter is the maximum output
frequency.
–A1-02 ≠ 8 [EZOLV]: E1-04 [Maximum Output Frequency]
–A1-02 = 8: E9-02 [Maximum Speed]
• If A1-02 = 0 [Control Method Selection = V/f], you must set H6-01 = 3 [Terminal RP Pulse
Train Function = Speed Feedback (V/F Control)] to enable this parameter.
115%
(0 - 120%)
F1-09
(0388)
Overspeed Detection Delay
Time
Sets the length of time that the speed feedback must be more than the F1-08 level to cause oS
[Overspeed].
Note:
If A1-02 = 0 [Control Method Selection = V/f], you must set H6-01 = 3 [Terminal RP Pulse
Train Function = Speed Feedback (V/F Control)] to enable this parameter.
Determined by A1-02
(0.0 - 2.0 s)
F1-10
(0389)
Speed Deviation Detection
Level
Sets the detection level of dEv [Speed Deviation] as a percentage when the maximum output
frequency is 100%.
Note:
• Parameter A1-02 [Control Method Selection] selects which parameter is the maximum output
frequency.
–A1-02 ≠ 8 [EZOLV]: E1-04 [Maximum Output Frequency]
–A1-02 = 8: E9-02 [Maximum Speed]
• If A1-02 = 0 [Control Method Selection = V/f], you must set H6-01 = 3 [Terminal RP Pulse
Train Function = Speed Feedback (V/F Control)] to enable this parameter.
10%
(0 - 50%)
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