Mitsubishi Electric MELSERVO-J5 User Manual page 384
Ac servo system
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Also See for MELSERVO-J5:
- User manual (580 pages) ,
- Sample screen manual (128 pages) ,
- Introduction manual (112 pages)
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■Speed deviation error detection
Set [Pr. PL04.0] to "2" to enable the speed deviation error detection.
Servo parameter
PL04.0
If the difference between the model feedback speed (3) and the feedback speed (4) in the figure is equal to or more than the
value of [Pr. PL06 Speed deviation error detection level] (1 mm/s to 5000 mm/s), [AL. 042.2 Servo control error by speed
deviation] will occur and the linear servo motor will stop. The initial value of this detection level is 1000 mm/s. Change the
setting value as necessary.
■Thrust deviation error detection
Set [Pr. PL04.0] to "4" to enable the thrust deviation error detection.
Servo parameter
PL04.0
If the difference between the command thrust (5) and the feedback thrust (6) in the figure is equal to or more than the value of
[Pr. PL07 Torque/thrust deviation error detection level] (1 % to 1000 %), [AL. 042.3 Servo control error based on torque/thrust
deviation] will occur and the linear servo motor will stop. The initial value of this detection level is 100 %. Change the setting
value as necessary.
■Detecting multiple deviation errors
When [Pr. PL04.0 [AL. 042 Servo control error] detection function selection] is set as follows, multiple deviation errors can be
detected. Refer to the following for the error detection method.
Page 381 Position deviation error detection
Page 382 Speed deviation error detection
Page 382 Thrust deviation error detection
• [Pr. PL04.0 [AL. 042 Servo control error] detection function selection]
Setting value
Position deviation error detection
1
2
3
4
5
6
7
Initial value: 3
Linear servo control error controller reset condition selection
Select the reset condition of the linear servo control error.
Servo parameter
PL04.3
When [Pr. PL04.3 [AL. 042 Servo control error] detection controller reset condition selection] is set to "1" (reset enabled), [AL.
042.1 Servo control error based on position deviation], [AL. 042.2 Servo control error based on speed deviation], and [AL.
042.3 Servo control error based on torque/thrust deviation] can be canceled by resetting the controller. When [Pr. PL04.3] is
"0" (reset disabled (reset by powering off/on or software reset enabled)), [AL. 042.1], [AL. 042.2], and [AL. 042.3] can be
canceled only by cycling the servo amplifier power or resetting the software.
10 USING A LINEAR SERVO MOTOR
382
10.4 Basic functions
Description
[AL. 042 Servo control error] detection function selection
2: Speed deviation error detection enabled
Description
[AL. 042 Servo control error] detection function selection
4: Thrust deviation error detection enabled
Speed deviation error detection
Description
[AL. 042 Servo control error] detection controller reset condition selection
0: Reset disabled (reset by powering off/on or software reset enabled)
1: Reset enabled
Initial value: 0 (Reset disabled)
Thrust deviation error detection
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