Mitsubishi Electric MELSERVO-J4 Series Transition Handbook page 330

Part 6: Review on Replacement of MR-J3-_T_(DIO command/ Serial communication operation) with MR-J4-_A_-RJ
MR-J3-_T_
No. Name and function
PA14 Rotation direction selection
This parameter is made valid when power is switched off,
then on after setting, or when the controller reset has
been performed.
Select the servo motor rotation direction when the
forward rotation start (ST1) or reverse rotation direction
(ST2) is turned ON.
Servo motor rotation direction
[Pr. PA14]
Forward rotation start
Setting
(ST1) ON
Rotates in the CCW
0 direction.
(Address increases.)
Rotates in the CW
1 direction.
(Address increases.)
ST1: ON
CCW
CW
ST2: ON
[Pr. PA14]: 0
Initial
value
Reverse rotation start
(ST2) ON
Rotates in the CW
direction.
(Address decreases.)
Rotates in the CCW
direction.
(Address decreases.)
ST2: ON
CCW
CW
ST1: ON
[Pr. PA14]: 1
No.
0 PA14 Rotation direction selection/travel direction selection
Select a rotation direction of the servo motor or travel
direction of the linear servo motor for when turning on
ST1 (Forward rotation start) or ST2 (Reverse rotation
start).
Setting
When positioning address
value
increases
0 CCW or positive direction
1 CW or negative direction
The following shows the servo motor rotation directions.
Forward rotation (CCW)
Setting range: 0,1
6 - 51
MR-J4-_A_-RJ
Name and function
Servo motor rotation direction
When positioning
address decreases
CW or negative direction
CCW or positive direction
Reverse rotation (CW)
Initial
value
0