3.9 F: Options
184 YASKAWA TOEPYAIGA8001B GA800 Drive Maintenance & Troubleshooting
No.
(Hex.)
Name Description
Default
(Range)
F1-11
(038A)
Speed Deviation Detect
DelayTime
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 dEv [Speed Deviation].
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.
0.5 s
(0.0 - 10.0 s)
F1-12
(038B)
Encoder 1 Gear Teeth 1
Sets the number of gear teeth on the motor side. This parameter and F1-13 [Encoder 1 Gear Teeth 2]
set the gear ratio between the motor and encoder.
0
(0 - 1000)
F1-13
(038C)
Encoder 2 Gear Teeth 1
Sets the number of gear teeth on the load side. This parameter and F1-12 [Encoder 1 Gear Teeth 1]
set the gear ratio between the motor and encoder.
0
(0 - 1000)
F1-14
(038D)
Encoder Open-Circuit Detect
Time
Sets the length of time that the drive must not receive a pulse signal to cause PGo [Encoder (PG)
Feedback Loss].
Note:
Motor speed and load conditions can cause ov [Overvoltage] and oC [Overcurrent] faults.
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.
2.0 s
(0.0 - 10.0 s)
F1-17
(03AC)
Deviation 2 Detection
Selection
Usually it is not necessary to change this setting. Sets the number of motor rotations that the drive
will detect more than one Z pulse per rotation to detect dv2.
10
(0 - 100)
F1-18
(03AD)
Deviation 3 Detection
Selection
Sets the number of rotations necessary to detect conditions that invert the torque reference and rate of
acceleration and cause dv3 [Inversion Detection].
10
(0 - 10)
F1-19
(03AE)
Deviation 4 Detection
Selection
Sets the number of pulses necessary to cause dv4 [Inversion Prevention Detection].
128
(0 - 5000)
F1-20
(03B4)
Encoder 1 PCB Disconnect
Detect
Sets the function that enables and disables detection of a disconnected encoder connection cable to
cause PGoH [Encoder (PG) Hardware Fault].
0 : Disabled
1 : Enabled
1
(0, 1)
F1-21
(03BC)
Encoder 1 Signal Selection
Sets the number of channels for the signal to the encoder option card.
0 : A Pulse Detection
1 : AB Pulse Detection
0
(0, 1)
F1-30
(03AA)
Motor 2 Encoder PCB Port
Select
Sets the drive port to install the motor 2 encoder option card.
0 : CN5-C
1 : CN5-B
1
(0, 1)
F1-31
(03B0)
Encoder 2 Pulse Count
(PPR)
Sets the number of output pulses for each motor revolution for motor 2.
1024 ppr
(1 - 60000 ppr)
F1-32
(03B1)
Encoder 2 Rotation Selection
Sets the output sequence for the A and B pulses from the encoder for motor 2. This parameter
assumes that the motor is operating in the forward direction.
0 : Pulse A leads in FWD Direction
1 : Pulse B leads in FWD Direction
0
(0, 1)
F1-33
(03B2)
Encoder 2 Gear Teeth 1
Sets the number of gear teeth on the motor side for motor 2. This parameter and F1-34 [Encoder 2
Gear Teeth 2] set the gear ratio between the motor and encoder.
0
(0 - 1000)
F1-34
(03B3)
Encoder 2 Gear Teeth 2
Sets the number of gear teeth on the load side for motor 2. This parameter and F1-33 [Encoder 2
Gear Teeth 1] set the gear ratio between the motor and encoder.
0
(0 - 1000)
F1-35
(03BE)
Encoder 2 Pulse Monitor
Scaling
Sets the ratio between the pulse input and the pulse output of the encoder as a 3-digit number for
motor 2. 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))
F1-36
(03B5)
Encoder 2 PCB Disconnect
Detect
Sets the function that enables and disables detection of a disconnected encoder connection cable to
cause PGoH [Encoder (PG) Hardware Fault] for motor 2.
0 : Disabled
1 : Enabled
1
(0, 1)
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