Mitsubishi Electric MR-J4 B Series Instruction Manual page 186

7. SPECIAL ADJUSTMENT FUNCTIONS
The following shows the function block diagram of the vibration tough drive function.
The function detects machine resonance frequency and compare it with [Pr. PB13] and [Pr. PB15], and reset
a machine resonance frequency of a parameter whose set value is closer.
Machine resonance
suppression filter 1
Machine resonance
suppression filter 2
Machine resonance
suppression filter 3
Machine resonance
suppression filter 4
Machine resonance
suppression filter 5
Command +
Command
filter
pulse train
Torque
ALM
CALM
( )
(Malfunction)
WNG WNG
( )
(Warning)
MTTR
MTTR
( )
(During tough drive)
Filter Setting parameter
PB01/PB13/PB14
PB15/PB16
PB46/PB47
PB48/PB49
PB50/PB51
[Pr. PB18]
Speed
control
Low-pass
- filter setting
[Pr. PB48]
Machine
[Pr. PB49]
resonance
suppression
filter 4
[Pr. PB17]
Shaft
resonance
suppression
filter
ON
OFF
ON
OFF
ON
OFF
Precaution
The filter can be set automatically with
"Filter tuning mode selection" in [Pr.
PB01].
Enabling the filter disables the shaft
resonance suppression filter.
The shaft resonance suppression filter is
enabled for the initial setting.
The setting of this filter is disabled while
you use the robust filter.
The robust filter is disabled for the initial
setting.
[Pr. PB13] [Pr. PB15]
Machine Machine
resonance resonance
suppression suppression
filter 1 filter 2
[Pr. PB50]
Machine
[Pr. PE41]
resonance
suppression
[Pr.PF23
[Pr. PF23 Vibration tough drive - Oscillation detection level]
Detects the machine resonance and reconfigures the filter automatically.
5s
During tough drive (MTTR) is not turned on in the vibration tough drive function.
7 - 23
Parameter that is
reset with vibration
[Pr. PB46]
Machine
resonance
suppression
filter 3
Load
filter 5
PWM
Robust
Servo motor
filter
ON
tough drive
function
PB13
PB15
Encoder
M
]