
APPLICATIONS
2.1.1 Changing Motor Rotation Direction
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2.1
Setting Parameters According to Machine
Characteristics
This section describes how to set parameters according to the dimensions and
performance of the machine to be used.
2.1.1 Changing Motor Rotation Direction
The Servopack provides a reverse rotation mode in which the direction of Servomotor rota-
tion can be reversed without altering the Servomotor wiring. With the standard setting,
forward rotation is defined as counterclockwise (ccw) rotation viewed from the drive end.
If reverse rotation mode is used, only the direction of motor rotation will be reversed. The
direction (+/
−
) of axial motion is reversed, but other items remain unchanged.
Reference
Standard Setting
Reverse Rotation Mode
Forward Run Reference
Encoder output
from Servopack
(Phase A)
(Phase B)
PAO
PBO
Encoder output
from Servopack
(Phase A)
(Phase B)
PAO
PBO
Reverse Run Reference
Encoder output
from Servopack
(Phase A)
(Phase B)
PAO
PBO
Encoder output
from Servopack
(Phase A)
(Phase B)
PAO
PBO
Setting Reverse Rotation Mode
Set bit 0 of memory switch Cn-02 to select reverse rotation mode.
Cn-02 Bit 0
Rotation Direction
Selection
Factory
Setting: 0
For Speed/Torque Control
and Position Control
Set the direction of rotation.
Setting
Meaning
0
Forward rotation is defined as counterclockwise
rotation when viewed from the drive end.
(Standard setting)
1
Forward rotation is defined as clockwise rotation
when viewed from the drive end.
(Reverse rotation mode)
2
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