Operation Of Vibration Tough Drive - Mitsubishi Electric MR-J5 User Manual

Operation of vibration tough drive

The function block diagram for the vibration tough drive function is shown below. If the oscillation level exceeds the level set in
[Pr. PF23 Vibration tough drive - Oscillation detection level], [Pr. PB13 Machine resonance suppression filter 1] and [Pr. PB15
Machine resonance suppression filter 2] will be set according to the detected machine resonance frequency and the machine
resonance suppression filter being used. At this time, [AL. 0F0 Tough drive warning] is output for 5 s, and the number of tough
drive operations is incremented once.
[Pr. PA20.1] Machine
resonance
suppression
filter 1
1 Disabled
Enabled
Disabled
Enabled
2 Disabled
Enabled
Disabled
Enabled
[Pr. PB45.0-1] [Pr. PB45.0-1]
*1
[Pr. PB81.4]
Command
notch filter
Command
*1
[Pr. PB82]
pulse train
Command
smoothing
filter
*1 Available on servo amplifiers with firmware version A5 or later.
Machine Servo parameter that is set with the vibration tough drive function
resonance
suppression
filter 2
Disabled The vibration tough drive does not operate.
Disabled [Pr. PB13]
Enabled [Pr. PB15]
Enabled The detected machine resonance frequency is compared with the setting values of [Pr.
PB13] and [Pr. PB15], and then the setting value closest to the detected machine resonance
frequency is updated.
If the detected machine resonance frequency is the center value of [Pr. PB13] and [Pr.
PB15], [Pr. PB13] is updated.
Disabled [Pr. PB13]
Disabled If the oscillation cannot be suppressed even when [Pr. PB15] is set, [Pr. PB13] is updated.
Enabled If the oscillation cannot be suppressed even when [Pr. PB13] is set, [Pr. PB15] is updated.
Enabled The detected machine resonance frequency is compared with the setting values of [Pr.
PB13] and [Pr. PB15], and then the setting value closest to the detected machine resonance
frequency is updated.
If the detected machine resonance frequency is the center value of [Pr. PB13] and [Pr.
PB15], [Pr. PB13] is updated.
The servo parameters are
updated according to
the table above.
[Pr. PB02] [Pr. PB18]
Speed
control
Advanced
+
Low-pass
vibration
filter setting
suppression
-
control II
[Pr. PB49]
Vibration tough drive
[Pr. PB23]
[Pr. PB47]
[Pr. PB13] [Pr. PB15]
Machine Machine
resonance resonance
suppression suppression
filter 1 filter 2
[Pr. PB48] [Pr. PB50]
[Pr. PE41]
Machine
Machine
resonance resonance
suppression suppression
filter 4 filter 5
[Pr. PB17]
Shaft
resonance
Robust filter
suppression
filter
4 VIBRATION SUPPRESSION FUNCTION
[Pr. PB46]
Machine
resonance
[Pr. PB23.3] = "0" or
suppression
[Pr. PB47.0] = "1"
filter 3
[Pr. PB23.3] = "1" and
[Pr. PB47.0] = "0"
Shaft
resonance
suppression
filter 2
Load
Encoder
PWM M
Servo motor
4.9 Vibration tough drive
4
83