Parameter Settings For A Motor With Encoder - Mitsubishi Electric A800-GF Instruction Manual

Parameter settings for a motor with encoder

2.9
Parameter settings for a motor with encoder
Parameter for the encoder (Pr.359, Pr.369, Pr.851, Pr.852)
• Set the encoder specifications.
Pr. Name
359 852 Encoder rotation
C141 C241 direction
369 851 Number of
C140 C240 encoder 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/Resolver
rotation direction
Number of detector
pulses
Parameter settings for the motor under vector control
Motor name
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.
62
INSTALLATION AND WIRING
Initial Setting
value range
0
100
1
1
101
1024 0 to 4096
FR-A8AP/FR-A8AL/
FR-A8APR parameter FR-A8APS parameter
FR-A8APA parameter
Pr.359
Pr.369 ― (fixed 1024 pulses)
Pr.9 Pr.71
Electronic Applied
motor
0 (3)

1 (13)

Set when using a motor for which forward
rotation (encoder) is clockwise (CW) viewed
from the shaft.
CW
Set when using a motor for which forward
rotation (encoder) is counterclockwise (CCW)
viewed from the shaft.
CCW
Set the number of encoder pulses output.
Set the number of pulses before it is multiplied by 4.
― (Obtained via
communication from the
encoder)
Pr.80 Pr.81
Motor Number of
capacity motor poles
Number of
Motor capacity
motor poles
Number of
Motor capacity
motor poles
Description
Set for the operation at
120 Hz or less.
Set for the operation at a
frequency higher than
120 Hz.
Set for the operation at
120 Hz or less.
Set for the operation at a
frequency higher than
120 Hz.
FR-A8TP parameter
Pr.852
Pr.851
Pr.359/Pr.852 Pr.369/Pr.851
Encoder
rotation
direction
 
 
Number of
encoder
pulses