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

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
C241 direction
C141
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.
FR-A8AP/FR-A8AL
Item
Encoder rotation
Pr.359
direction
Number of detector
Pr.369
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
∗1 Offline auto tuning is required (Refer to the FR-A800 Instruction Manual (Detailed))
∗2
Set this parameter according to the motor.
Initial Setting
value range
Set when using a motor for which forward
rotation (encoder) is clockwise (CW) viewed
0
from the shaft
100
1
Set when using a motor for which forward
rotation (encoder) is counterclockwise
1
(CCW) viewed from the shaft
101
Set the number of encoder pulses output.
1024 0 to 4096
Set the number of pulses before it is multiplied by 4.
FR-A8APR parameter
parameter
─ (fixed pulses of 1024)
Pr.9 Pr.71
Applied
motor
0 (3)
∗1
1 (13)
∗1
Parameter settings for a motor with encoder
Description
CW
CCW
FR-A8APS parameter
─ (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
INSTALLATION AND WIRING
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.369
Encoder Number of
rotation encoder
direction pulses
∗2 ∗2
∗2 ∗2
2
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