Mitsubishi Electric MELSERVO-J5 User Manual page 113
Ac servo system
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Also See for MELSERVO-J5:
- User manual (478 pages) ,
- Sample screen manual (128 pages) ,
- Introduction manual (112 pages)
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Setting with object dictionary
[Polarity (Obj. 607Eh)] enables the rotation/travel direction to be changed without changing the polarity of the command from
the controller. The setting of [Polarity (Obj. 607Eh)] for the position information and speed information corresponds to [Pr.
PA14 Travel direction selection]. The setting of [Polarity (Obj. 607Eh)] for the torque information corresponds to [Pr. PA14
Travel direction selection] and "Torque POL reflection selection" in [Pr. PC29].
A change in the setting of [Polarity (Obj. 607Eh)] is not applied immediately.
The table below shows the relations between the object definition, object setting values, and the servo parameters. Settings
can only be made with the combinations indicated here.
Bit
Description
0
(reserved) The value at reading is undefined. Set "0" when writing.
1
2
3
4
5
0: Servo motor CCW rotation at positive torque
1: Servo motor CW rotation at positive torque
6
0: Servo motor CCW rotation at positive speed
1: Servo motor CW rotation at positive speed
7
0: Servo motor CCW rotation in the positioning address increasing direction
1: Servo motor CW rotation in the positioning address increasing direction
The below table shows the relations between the object setting value of [Polarity (Obj. 607Eh)] and the servo parameters.
Object
[Polarity (Obj. 607Eh)]
Bit7
Bit6
Bit5
0
0
0
1
1
0
1
1
1
Servo parameter
[Pr. PA14]
[Pr. PC29.3]
0
1
1
1
1
0
Description
The polarity does not change.
The polarity of the position and speed is
reversed.
The polarity of the position, speed, and torque
is reversed.
3 BASIC FUNCTION
3.2 Rotation/travel direction selection [G]
3
111
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