Mitsubishi Electric MELSERVO-J3 Series Manual page 62

Part 2: Review on Replacement of MR-J3-_A_ with MR-J4-_A_
MR-J3-_A_
No. Name and function
Speed integral compensation
PB10
Used to set the integral time constant of the speed
loop.
Lower setting increases the response level but is
liable to generate vibration and/or noise.
When auto tuning mode 1 2 and interpolation
mode is selected, the result of auto tuning is
automatically used.
Speed differential compensation
PB11
Used to set the differential compensation.
Made valid when the proportion control (PC) is
switched on.
For manufacturer setting
PB12
Machine resonance suppression filter 1
PB13
Set the notch frequency of the machine resonance
suppression filter 1.
Setting [Pr. PB01] (Adaptive tuning mode (Adaptive
filter II)) to "_ _ _1" automatically changes this
parameter.
When the [Pr. PB01] setting is "_ _ _0", the setting
of this parameter is ignored.
Initial
No.
value
33.7 PB10
Same setting as MR-J3
Speed integral compensation
Set the integral time constant of the speed loop.
Decreasing the setting value will increase the
response level but will be liable to generate vibration
and noise.
The setting of the parameter will be the automatic
setting or manual setting depending on the [Pr.
PA08] setting. Refer to the table of [Pr. PB08] for
details.
Setting range: 0.1 to 1000.0
980 PB11 Speed differential compensation
Set the differential compensation.
To enable the setting value, turn on PC (proportional
control).
Setting range: 0 to 1000
0 PB12 Overshoot amount compensation
Set a viscous friction torque in percentage to the
servo motor rated speed.
When the response level is low or when the
torque/thrust is limited, the efficiency of the
parameter may be lower.
Setting range: 0 to 100
4500 PB13 Machine resonance suppression filter 1
Machine resonance suppression filter 1
Set the notch frequency of the machine resonance
suppression filter 1.
When "Filter tuning mode selection" is set to
"Automatic setting (_ _ _ 1)" in [Pr. PB01], this
parameter will be adjusted automatically by adaptive
tuning.
When "Filter tuning mode selection" is set to
"Manual setting (_ _ _ 2)" in [Pr. PB01], the setting
value will be enabled.
Setting range: 10 to 4500
2 - 33
MR-J4-_A_
Name and function
Control
Initial
mode
value
33.7 P
S
980 P
S
0 P
4500 P
S
T