Parameter Settings For A Motor With Encoder - Mitsubishi Electric FR-A802-E 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 direction
C141 C241
369 851
Number of encoder pulses
C140 C240
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.
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 Setting
value range
0
100
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)
Description
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.
Set the number of pulses before it is multiplied by 4.
FR-A8APS parameter
— (obtained via
communication from the
encoder)
Pr.359/Pr.852
Pr.81 Number of
Encoder rotation
motor poles
direction
Number of motor
*2
poles
Number of motor
*2
poles
2. INSTALLATION AND WIRING
2.9 Parameter settings for a motor with encoder
1
2
3
Set for the operation
at 120 Hz or less.
Set for the operation 4
at a frequency higher
than 120 Hz.
Set for the operation
5
at 120 Hz or less.
Set for the operation
at a frequency higher
6
than 120 Hz.
7
8
FR-A8TP parameter
9
Pr.852
Pr.851
10
Pr.369/Pr.851
Number of
encoder pulses
*2
*2
69