5.6 F: Option Settings
226 YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual
F1-04, F1-10, F1-11: Operation at Speed Deviation (dEv), Detection Level, Delay Time
A speed deviation error (dEv) is triggered when the difference between the frequency reference and the speed feedback
exceeds the value set in F1-10 for longer than the time set in F1-1. The stopping method when a speed deviation fault
occurs can be selected in parameter F1-04.
Settings for Parameter F1-04:
Setting 0: Ramp to stop (uses the deceleration time set to C1-02)
Setting 1: Coast to stop
Setting 2: Fast Stop (uses the Fast Stop time set to C1-09)
Setting 3: Alarm only (drive continues oper
ating while “dEv” flashes on the screen)
F1-05, F1-32: PG 1, PG 2 Rotation Selection
Determines the direction indicated by the pulses from the PG feedback encoder for motor 1 and motor 2.
See PG option card instruction manual for details on how to
set the direction for the PG encoder and the motor.
Setting 0: A pulse leads with Forward run command.
Setting 1: B pulse leads with Forward run command.
F1-06, F1-35: PG 1, PG 2 Division Rate for PG Pulse Monitor
Sets the ratio between the pulse input and the pulse output of a PG option card as a three digit number, where the first
digit (n) sets the numerator and the second and third digit (m) set the denominator as shown below:
Example: To have a ratio of 1/32 between the PG card
pulse input and output, set F1-06 = 032.
F1-12, F1-13, F1-33, F1-34: PG 1, PG 2 Gear Teeth 1, 2 (V/f w/PG only)
Sets the gear ratio between the motor shaft and the PG encoder. F1-12 and F1-33 set the number of gear teeth on the
motor side, while F1-13 and F-34 set the number of gear teeth for the load side. The drive uses the formula below to
calculate the motor speed.
Note: A gear ratio of 1 will be used if any of these parameters is set to 0.
No. Parameter Name Option Port Setting Range Default
F1-04
Operation Selection at Deviation (dEv)
CN5-B, CN5-C 0 to 3 3
F1-10
Excessive Speed Deviation Detection Level
CN5-B, CN5-C 0 to 50% 10%
F1-11
Excessive Speed Deviation Detection Delay Time
CN5-B, CN5-C 0.0 to 10.0 s 0.5 s
No.
<1> Determined by the control mode: 0 when A1-02 = 1 or 3, 1 when A1-02 = 7.
Parameter Name Option Port Setting Range Default
F1-05
PG 1 Rotation Selection
CN5-C 0, 1 Determined by A1-02 <1>
F1-32
PG 2 Rotation Selection
CN5-B 0, 1 0
No. Parameter Name Option Port Setting Range Default
F1-06
PG 1 Division Rate for PG Pulse Monitor
CN5-C 001 to 032, 102 to 132 (1 to ) 001
F1-35
PG 2 Division Rate for PG Pulse Monitor
CN5-B 001 to 032, 102 to 132 (1 to ) 001
No. Parameter Name Option Port Setting Range Default
F1-12
PG 1 Gear Teeth 1
CN5-C 0 to 1000 0
F1-13
PG 1 Gear Teeth 2
CN5-C 0 to 1000 0
F1-33
PG 2 Gear Teeth 1
CN5-B 0 to 1000 0
F1-34
PG 2 Gear Teeth 2
CN5-B 0 to 1000 0
f
Pulse Input
= f
Pulse Output
(1 + n)
m
min
-1
=
Input pulses frequency from PG × 60
Pulses per Rev (F1-01/31)
Load-side PG gear teeth (F1-12/33)
Motor-side PG gear teeth (F1-13/34)
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