Mitsubishi Electric A800 User Manual

Parameter settings for a motor with encoder
60
INSTALLATION AND WIRING
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.
The following table shows parameters to be set according to a vector control compatible option to be used.
Parameter settings for the motor under vector control
Pr. Name
Initial
value
Setting
range
Description
359
C141
852
C241
Encoder rotation
direction
1
0
Set when using a motor for which forward rotation (encoder)
is clockwise (CW) viewed from the shaft.
1
Set when using a motor for which forward rotation (encoder)
is counterclockwise (CCW) viewed from the shaft.
100, 101 For manufacturer setting. Do not set.
369
C140
851
C240
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 parameters above can be set when a vector control compatible option is installed.
Item
FR-A8AP/FR-A8AL
parameter
FR-A8TP parameter
Encoder rotation direction Pr.359 Pr.852
Number of detector pulses Pr.369 Pr.851
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 /
Pr.852
Encoder
rotation
direction
Pr.369 /
Pr.851
Number of
encoder
pulses
Standard motor Rated motor current 0 (3)  Motor capacity
Number of
motor poles
 
Constant-torque motor Rated motor current 1 (13)  Motor capacity
Number of
motor poles
 
 Offline auto tuning is required (Refer to the FR-A800 Instruction Manual (Detailed))
 Set this parameter according to the motor.
CW
CCW

Mitsubishi Electric A800 Specifications

General

Brand	Mitsubishi Electric
Model	A800
Category	Inverter
Language	English