YASKAWA F7 User Manual page 183

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Parameter Parameter Name
No. Digital Operator Display
Motor 2 Slip
E4-08
Compensation Gain
<3021>
SlpCmp Gain Mtr2
Motor 2 ASR Proportional (P)
E4-09
Gain 1
<3021>
ASR P Gain Mtr2
Motor 2 ASR Integral (I)
E4-10
Time 1
<3021>
ASR I Time Mtr2
Motor 2 Torque
E4-11
Compensation Gain
<3021>
TrqCmp Gain Mtr2
PG Parameter
F1-01
PG Pulses/Rev
Operation Selection at PG
F1-02 Open Circuit (PGO)
PG Fdbk Loss Sel
Operation Selection at
F1-03 Overspeed (OS)
PG Overspeed Sel
Operation Selection at
F1-04 Deviation
PG Deviation Sel
PG Rotation Selection
F1-05
PG Rotation Sel
PG Division Rate (PG Pulse
F1-06 Monitor)
PG Output Ratio
Denotes that parameter can be changed when the Drive is running. For Normal Duty (ND) Rating: Setting Range=40.0 to 400.0.
* For Heavy Duty (HD) Rating: Setting Range=40.0 to 300.0.
*1: Default setting changes according to the control mode (E3-01). When E3-01 = 0, E4-08 = 0.0. When E3-01 = 2 or 3, E4-08 = 1.0.
*2: Setting range becomes 1.00 to 300.00 in Flux Vector Control
*3: Default setting changes according to the control mode (E3-01) When E3-01 = 1, E4-09 = 0.20 and E4-10 = 0.200. When E3-01 = 3, E4-09 = 20.00 and E4-10 = 0.500.
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Table A.1 F7 Parameter List (Continued)
Description
This parameter can help to increase speed precision when working
on a load, although normally adjustment is not necessary.
• When speed is less than that desired value, increase the set value.
• When speed is higher than the desired value, decrease the set
value.
* This parameter functions as gain suppression when in Flux Vector
Control.
Sets the proportional gain of the speed loop (ASR).
Sets the integral time of the speed loop (ASR) in units of 0.1s.
Magnifies the torque compensation gain. Normally this parameter
does not require change, however, adjustments can be made as fol-
lows:
• When the motor cable is long, increase the setting.
• When using a motor with a smaller capacity than the drive (the
largest motor being used), increase this setting.
• If the motor begins to vibrate, adjust the value set so that the
output current does not exceed the drive's rated output current
when operating at low speeds.
PG Option Setup
Sets the number of pulses per revolution (PPM) of the encoder
(pulse generator).
Sets stopping method when a PG open circuit fault (PGO) occurs.
See parameter F1-14.
0: Ramp to stop - Decelerate to stop using the active deceleration
time.
1: Coast to stop
2: Fast - Stop - Decelerate to stop using the deceleration time in
C1-09.
3: Alarm Only - Drive continues operation.
Sets the stopping method when an overspeed (OS) fault occurs. See
F1-08 and F1-09.
0: Ramp to stop - Decelerate to stop using the active deceleration
time.
1: Coast to stop
2: Fast - Stop - Decelerate to stop using the deceleration time in
C1-09.
3: Alarm Only - Drive continues operation.
Sets the stopping method when a speed deviation (DEV) fault
occurs. See F1-10 and F1-11.
0: Ramp to stop - Decelerate to stop using the active deceleration
time.
1: Coast to stop
2: Fast - Stop - Decelerate to stop using the deceleration time in
C1-09.
3: Alarm Only - Drive continues operation.
0: Fwd=C.C.W. - Phase A leads with forward run command.
(Phase B leads with reverse run command.)
1: Fwd=C.W. - Phase B leads with forward run command. (Phase
A leads with reverse run command.)
Sets the division ratio for the pulse monitor of the PG-B2 encoder
feedback option board. This function is not available with the
PG-X2 option board.
Division ratio = (1+ n) /m (n=0 to 1, m=1 to 32)
The first digit of the value of F1-06 stands for n, the second and the
third stand for m. (from left to right).
The possible division ratio settings are:
1/32 ≤ F1-06 ≤ 1
Parameters A - 18
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Control Method
Setting Factory
V/F
Range Setting
V/F
w/PG
1.0
0.0 to 2.5 A No
*1
0.00 to
20.00 *3 No
300.00 *2
0.000 to 0.500
N0
10.000 sec *3
0.00 to
1.00 A
2.50
0 to
1024 -
60000
0 to 3 1 -
0 to 3 1 -
0 to 3 3 -
0 to 1 0 -
1 to 132 1 -
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Open
Flux
Loop
Vector
Vector
A A
A No A
A No A
A A No
Q - Q
A - A
A - A
A - A
A - A
A - A