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Name
Parameter
Number
Display
Number of PG
Gear Teeth 1
Sets the gear ratio between the
F1-12
motor shaft and the encoder (PG).
PG # Gear
Teeth1
A gear ratio of 1 will be used if
Number of PG
either of these parameters is set to
Gear Teeth 2
0. This function is not available in
F1-13
flux vector control.
PG # Gear
Teeth2
PG Open-Cir-
Configures the PG open (PGO)
cuit Detection
function. PGO will be detected if
Time
F1-14
no PG pulses are detected for a
time longer than F1-14. See
PGO Detect
F1-02.
Time
* Factory setting will change according to the control mode (factory settings for Vector Control w/PG are shown here).
Using PG Speed Control Card
There are four types of PG Speed Control Card that can be used in V/f control with PG.
PG-A2: A-phase (single) pulse input, compatible with open collector or complimentary outputs.
•
PG-B2: A/B-phase pulse input, compatible with complimentary outputs.
•
PG-D2: A-phase (single) pulse input, compatible with line drivers.
•
PG-X2: A/B/Z-phase pulse input, compatible with line drivers.
•
There are two types of PG Speed Control Cards that can be used for flux vector control.
PG-B2: A/B phase pulse inputs, complementary outputs
•
PG-X2: A/B/Z phase pulse inputs, line driver outputs
•
For the connection diagram, refer to page 2-36.
Setting Number of PG Pulses
Set the number of PG (Pulse Generator/Encoder) pulses in pulses/rotation. Set the number of A-phase or B-
phase pulses per 1 motor rotation in F1-01.
Matching PG Rotation Direction and Motor Rotation Direction
Parameter F1-05 matches the PG rotation direction and the motor rotation direction. If the motor is rotating
forwards, set whether it is A-phase driven or B-phase driven. Make this setting when using PG-B2 or PG-X2.
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Setting
Description
Range
0
to
1000
0.0
to
10.0
Control Methods
Change
Open
Factory
V/f
during
Loop
Setting
V/f
with
Operation
Vector
PG
0
No
No
A
0
No
No
A
2.0sec
No
No
A
Options
Open
Flux
Loop
Vector
Vector
1
2
No
No
No
No
No
No
No
A
No
153
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Table of Contents
Troubleshooting
