Mitsubishi FR-A800

Connection of motor with encoder (vector control)
68
INSTALLATION AND WIRING
Parameter for the encoder (Pr.359, Pr.369)
Parameter settings for the motor under vector control
• Values in indicate initial values.
Pr. Name
Initial
value
Setting
range
Description
359
C141
Encoder rotation
direction
1
0
Set when using a motor for which forward
rotation (encoder) is clockwise (CW) viewed
from the shaft
Set for the operation at 120 Hz or
less.
100
Set for the operation at a frequency
higher than 120 Hz.
1
Set when using a motor for which forward
rotation (encoder) is counterclockwise (CCW)
viewed from the shaft
Set for the operation at 120 Hz or
less.
101
Set for the operation at a frequency
higher than 120 Hz.
369
C140
Number of
encoder pulses
1024 0 to 4096
Set the number of encoder pulses output.
Set the number of pulses before it is multiplied by 4.
The above parameters can be set when the FR-A8AP (option) is mounted.
Motor name
Pr.9
Electronic
thermal O/L
relay
Pr.71
Applied
motor
Pr.80
Motor
capacity
Pr.81
Number
of motor
poles
Pr.359
Encoder
rotation
direction
Pr.369
Number of
encoder
pulses
Mitsubishi
standard motor
SF-JR
Rated motor
current
0
Motor
capacity
Number of
motor poles
1 1024
SF-JR 4P 1.5 kW or
lower
Rated motor
current
20
Motor
capacity
4 1 1024
SF-HR
Rated motor
current
40
Motor
capacity
Number of
motor poles
1 1024
Others
Rated motor
current
0(3)

Motor
capacity
Number of
motor poles
 
Mitsubishi
constant-torque
motor
SF-JRCA 4P
Rated motor
current
1
Motor
capacity
4 1 1024
SF-HRCA
Rated motor
current
50
Motor
capacity
Number of
motor poles
1 1024
Others
Rated motor
current
1(13)

Motor
capacity
Number of
motor poles
 
Vector control
dedicated
motor
SF-V5RU
(1500 r/min series)
0
 30
Motor
capacity
4 1 2048
SF-V5RU
(except for 1500 r/min
series)
0
 1(13) 
Motor
capacity
4 1 2048
SF-THY 0
 30(33) 
Motor
capacity
4 1 2048
Other
manufacturer's
standard motor

Rated motor
current
0(3)

Motor
capacity
Number of
motor poles
 
Other
manufacturer's
constant-torque
motor

Rated motor
current
1(13)

Motor
capacity
Number of
motor poles
 
 Offline auto tuning is required (Refer to page 442.)
 Set this parameter according to the motor.
 Use the thermal protector input provided with the motor.
CW
CCW