Mitsubishi Electronics MR-J2M-P8B ユーザーズマニュアル
1 - 4
1. FUNCTIONS AND CONFIGURATION
1.4 Function list
The following table lists the functions of this servo. For details of the functions, refer to the Reference
field.
field.
(1) Drive unit (Abbreviation DRU)
Function
Description
Reference
High-resolution encoder
High-resolution encoder of 131072 pulses/rev is used as a servo motor encoder.
Auto tuning
Automatically adjusts the gain to optimum value if load applied to the servo motor
shaft varies.
shaft varies.
Chapter 6
Adaptive vibration
suppression control
suppression control
MELSERVO-J2M detects mechanical resonance and sets filter characteristics
automatically to suppress mechanical vibration.
automatically to suppress mechanical vibration.
Section 7.3
Low-pass filter
Suppresses high-frequency resonance which occurs as servo system response is
increased.
increased.
Section 7.4
Slight vibration
suppression control
suppression control
Suppresses vibration of 1 pulse produced at a servo motor stop.
DRU Parameter
No.24
No.24
Forced stop signal
automatic ON
automatic ON
Forced stop (EM1) can be automatically switched on internally to invalidate it.
DRU Parameter
No.23
No.23
Torque limit
Servo motor torque can be limited to any value.
DRU Parameters
No.10, No.11
No.10, No.11
(2) Interface unit (Abbreviation IFU)
Function
Description
Reference
Forced stop signal input
Disconnect forced stop (EM1) to bring the servo motor to a forced stop state, in
which the servo is switched off and the dynamic brake is operated.
which the servo is switched off and the dynamic brake is operated.
Section 3.2.2
Electromagnetic brake
output
output
In the servo-off or alarm status, this signal is disconnected.
When an alarm occurs, they are disconnected, independently of the base circuit
status.
It is possible to use it to excite an electromagnetic brake.
When an alarm occurs, they are disconnected, independently of the base circuit
status.
It is possible to use it to excite an electromagnetic brake.
Section 3.2.2
Analog monitor
Servo status is output in terms of voltage in real time.
Section 5.2.3
(3) Base unit (Abbreviation BU)
Function
Description
Reference
Regenerative brake option
Used when the built-in regenerative brake resistor of the unit does not have
sufficient regenerative capability for the regenerative power generated.
sufficient regenerative capability for the regenerative power generated.
Section 12.1.1
(4) MR Configurator (servo configuration software)
Function
Description
Reference
Machine analyzer function Analyzes the frequency characteristic of the mechanical system.
Machine simulation
Can simulate machine motions on a personal computer screen on the basis of the
machine analyzer results.
machine analyzer results.
Gain search function
Can simulate machine motions on the basis of the machine analyzer results.
Test operation mode
JOG operation and positioning operation are possible.
(5) Option unit
Function
Description
Reference
Absolute position
detection system
detection system
Merely setting a home position once makes home position return unnecessary at
every power-on.
Battery unit MR-J2M-BT is necessary.
every power-on.
Battery unit MR-J2M-BT is necessary.
Encoder pulse output
The encoder feedback is output from enhancing IO unit MR-J2M-D01 by the
A B Z phase pulse. The number of pulses output by the parameter can be
changed.
A B Z phase pulse. The number of pulses output by the parameter can be
changed.