Parameter Settings For A Motor With Encoder - Mitsubishi Electric FR-A802-P Instruction Manual

2.9

Parameter settings for a motor with encoder

Parameter for the encoder (Pr.359, Pr.369, Pr.852, Pr.853)
• Set the encoder specifications.
Pr.
359 852 Encoder rotation
C141 C241 direction
369 851 Number of encoder
C140 C240 pulses
The parameters above can be set when a vector control compatible option is installed.
The following table shows parameters to be set according to a vector control compatible option to be used.
Item
Encoder rotation direction
Number of detector pulses
Parameter settings for the motor under vector control
Motor name Electronic
thermal O/L relay
Standard motor Rated motor current
Constant-torque motor Rated motor current

Offline auto tuning is required (Refer to the FR-A800 Instruction Manual (Detailed))

Set this parameter according to the motor.
Initial
Name
value
1
1024
FR-A8AP/FR-A8AL
parameter
Pr.359
Pr.369
Pr.9 Pr.71
Applied
motor
0 (3)

1 (13)

Parameter settings for a motor with encoder
Setting
range
Set when using a motor for which forward rotation (encoder)
is clockwise (CW) viewed from the shaft.
0
Set when using a motor for which forward rotation (encoder)
is counterclockwise (CCW) viewed from the shaft.
1
100, 101 For manufacturer setting. Do not set.
Set the number of encoder pulses output.
0 to 4096
Set the number of pulses before it is multiplied by 4.
FR-A8TP parameter
Pr.852
Pr.851
Pr.80 Pr.81
Motor Number of
capacity motor poles
Number of
Motor capacity
motor poles
Number of
Motor capacity
motor poles
INSTALLATION AND WIRING
Description
CW
CCW
Pr.359 / Pr.369 /
Pr.852 Pr.851
Encoder Number of
rotation encoder
direction pulses
 
 
2
65