12.7 F: Options
844 YASKAWA SIEPC71061737D GA800 Drive Technical Reference
■ F1-19: Deviation 4 Detection Selection
No.
(Hex.)
Name Description
Default
(Range)
F1-19
(03AE)
Deviation 4 Detection
Selection
Sets the number of pulses necessary to cause dv4 [Inversion Prevention Detection].
128
(0 - 5000)
The drive detects a dv4 [Inversion Prevention Detection] faultwhen the pulses in a reverse direction to the speed
reference are input for longer than the time set in F1-19.
Note:
• Refer to the E5-11 [Encoder Z-Pulse Offset] value and the Δθ value shown on the motor nameplate. An incorrect E5-11 value will
frequently be the cause of a dv4 fault.
• When you use the drive in an application that rotates the motor from the load side in the reverse direction of the speed reference, set F1-19
= 0.
■ F1-20: Encoder 1 PCB Disconnect Detect
No.
(Hex.)
Name Description
Default
(Range)
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].
1
(0, 1)
0 : Disabled
1 : Enabled
■ F1-21: Encoder 1 Signal Selection
No.
(Hex.)
Name Description
Default
(Range)
F1-21
(03BC)
Encoder 1 Signal Selection
Sets the number of channels for the signal to the encoder option card.
0
(0, 1)
0 : A Pulse Detection
1 : AB Pulse Detection
■ F1-30: Motor 2 Encoder PCB Port Select
No.
(Hex.)
Name Description
Default
(Range)
F1-30
(03AA)
Motor 2 Encoder PCB Port
Select
Sets the drive port to install the motor 2 encoder option card.
1
(0, 1)
0 : CN5-C
One option card receives the speed feedback signals from motor 1 and motor 2.
1 : CN5-B
Two option cards receive the speed feedback signals from motor 1 and motor 2.
■ F1-31: Encoder 2 Pulse Count (PPR)
No.
(Hex.)
Name Description
Default
(Range)
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: Encoder 2 Rotation Selection
No.
(Hex.)
Name Description
Default
(Range)
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
(0, 1)
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