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

2.9

Parameter settings for a motor with encoder

 Parameters for the encoder (Pr.359, Pr.369, Pr.851, Pr.852)
• Set the encoder specifications.
Pr.
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
94
2. INSTALLATION AND WIRING
2.9 Parameter settings for a motor with encoder
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Initial
Name
value
1
1024
FR-A8AP/FR-A8AL/FR-
A8APA parameter
Pr.359
Pr.369
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Setting
range
Set when using a motor for which
0
forward rotation (encoder) is clockwise
(CW) viewed from the shaft
100
Set when using a motor for which
1
forward rotation (encoder) is
counterclockwise (CCW) viewed from
the shaft.
101
Set the number of encoder pulses.
0 to 4096
Set the number of pulses before it is multiplied by 4.
FR-A8APR parameter FR-A8APS parameter
— (obtained via
— (fixed pulses of 1024) communication from the
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