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This section explains the Inverter option functions.
K K K K
Performing Speed Control with PG
This section explains functions with V/f control with PG.
nRelated Parameters
Name
Param-
eter
Num-
LCD Display
ber
PG constant
F1-01
PG Pulsed/Rev
Operation selection at PG
open circuit (PGO)
F1-02
PG Fdbk Loss Sel
Operation selection at
overspeed (OS)
F1-03
PG Overspeed Sel
Operation selection at
deviation (DEV)
F1-04
PG Deviation Sel
PG rotation
F1-05
PG Rotation Sel
PG division rate (PG pulse
monitor)
F1-06
PG Output Ratio
Integral value during accel/
decel enable/disable
F1-07
PG Ramp PI/I Sel
Description
Set the number of PG (pulse generator or encoder)
pulses. Sets the number of pulses per motor revo-
lution.
Sets the PG disconnection stopping method.
0: Ramp to stop (Deceleration stop using the
deceleration time 1, C1-02.)
1: Coast to stop
2: Fast stop (Emergency stop using the decelera-
tion time in C1-09.)
3: Continue operation (To protect the motor or
machinery, do not make this setting.)
Sets the stopping method when an overspeed (OS)
fault occurs.
0: Ramp to stop (Deceleration stop using the
deceleration time 1, C1-02.)
1: Coast to stop
2: Fast stop (Emergency stop using the decelera-
tion time in C1-09.)
3: Continue operation (To protect the motor or
machinery, do not make this setting.)
Sets the stopping method when a speed deviation
(DEV) fault occurs.
0: Decelerate to stop (Deceleration stop using the
deceleration time 1, C1-02.)
1: Coast to stop
2: Emergency stop (Emergency stop using the
deceleration time in C1-09.)
3: Continue operation (DEV is displayed and
operation continued.)
0: Phase A leads with forward run command.
(Phase B leads with reverse run command.)
1: Phase B leads with forward run command.
(Phase A leads with reverse run command.)
Sets the division ratio for the PG speed control
card pulse output.
Division ratio = (1 + n)/m
(n = 0 or 1, m = 1 to 32)
F1-06
n
m
This parameter is effective only when a PG-B2 is
used.
The possible division ratio settings are 1/32 ≤ F1-
06 ≤ 1
Sets integral control during acceleration/decelera-
tion to either enabled or disabled.
0: Disabled (The integral function isn't used
while accelerating or decelerating; it is used at
constant speeds.)
1: Enabled (The integral function is used at all
times.)
Control Methods
Change
Setting
Factory
during
Range
Setting
Opera-
V/f
tion
0 to
600
No
No
60000
(1024)*
0 to 3
1
No
No
0 to 3
1
No
No
0 to 3
3
No
No
0 or 1
0
No
No
1 to 132
1
No
No
0 or 1
0
No
No
Options
Open
V/f
Loop
with
Vec-
PG
tor
Q
No
A
No
A
No
A
No
A
No
A
No
A
No
143
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Troubleshooting
