Parameter Settings For A Motor With Encoder - Mitsubishi Electric FR-A802-F Series 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
852
359
Encoder rotation direction
*1
C141
C241
369 851
Number of encoder pulses
*1 *1
C140 C240
*1 Setting is not available when the A8SPRS is installed.
The parameters above can be set when a Vector control compatible option is installed.
• The following table shows parameters to be set according to the Vector control compatible option to be used (when the
FR-A8NCG-S is used).
Item
Encoder/Resolver rotation
direction
Number of detector pulses
 Parameter settings for the motor under Vector control
Pr.9 Electronic
Motor model
thermal O/L relay
Rated motor
Standard motor
current
Constant-torque Rated motor
motor current
*1 Offline auto tuning is required. (Refer to the Instruction Manual (Detailed).)
*2 Set this parameter according to the motor.
Initial value
0
100
0 (in Pr.359) /
1 (in Pr.852) *1
1
101
1024 0 to 4096
FR-A8AP/FR-A8AL/FR-
FR-A8APR parameter
A8APA parameter
Pr.359
Pr.369 — (fixed pulses of 1024)
Pr.71 Applied Pr.80 Motor
motor capacity
*1
Motor capacity
0 (3)
*1
Motor capacity
1 (13)
Setting
range
Set when using a motor for which
forward rotation (encoder) is clockwise
(CW) viewed from the shaft
Set when using a motor for which
forward rotation (encoder) is
counterclockwise (CCW) viewed from
the shaft.
*1
Set the number of encoder pulses.
Set the number of pulses before it is multiplied by 4.
FR-A8APS parameter
— (obtained via
communication from the
encoder)
Pr.81 Number of
motor poles
Number of motor
poles
Number of motor
poles
2.9 Parameter settings for a motor with encoder
Description
Set for the operation
at 120 Hz or less.
Set for the operation
at a frequency higher
CW
than 120 Hz.
Set for the operation
at 120 Hz or less.
Set for the operation
at a frequency higher
CCW
than 120 Hz.
FR-A8TP parameter
Pr.852
Pr.851
Pr.359/Pr.852 Pr.369/Pr.851
Encoder rotation Number of
direction encoder pulses
*2 *2
*2 *2
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