Mitsubishi Electronics MR-J2S- B User Manual
1 - 6
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.
Function
Description
Reference
High-resolution encoder
High-resolution encoder of 131072 pulses/rev is used as a servo motor encoder.
Absolute position detection
system
system
Merely setting a home position once makes home position return unnecessary
at every power-on.
at every power-on.
Chapter 13
Adaptive vibration
suppression control
suppression control
Servo amplifier 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
Machine analyzer function
Analyzes the frequency characteristic of the mechanical system by simply
connecting a MR Configurator (servo configuration software)-installed personal
computer and servo amplifier.
connecting a MR Configurator (servo configuration software)-installed personal
computer and servo amplifier.
Machine simulation
Can simulate machine motions on a personal computer screen on the basis of
the machine analyzer results. The MR Configurator (servo configuration
software) is required.
the machine analyzer results. The MR Configurator (servo configuration
software) is required.
Gain search function
Personal computer changes gains automatically and searches for overshoot-
free gains in a short time. The MR Configurator (servo configuration software)
is required.
free gains in a short time. The MR Configurator (servo configuration software)
is required.
Slight vibration suppression
control
control
Suppresses vibration of 1 pulse produced at a servo motor stop.
Parameter No.24
Auto tuning
Automatically adjusts the gain to optimum value if load applied to the servo
motor shaft varies. Higher in performance than MELSERVO-J2 series servo
amplifier.
motor shaft varies. Higher in performance than MELSERVO-J2 series servo
amplifier.
Chapter 6
Regenerative option
Used when the built-in regenerative resistor of the servo amplifier does not
have sufficient regenerative capability for the regenerative power generated.
have sufficient regenerative capability for the regenerative power generated.
Section 12.1.1
Brake unit
Used when the regenerative option cannot provide enough regenerative power.
Can be used with the MR-J2S-500B to MR-J2S-22KB.
Can be used with the MR-J2S-500B to MR-J2S-22KB.
Section 12.1.2
Return converter
Used when the regenerative option cannot provide enough regenerative power.
Can be used with the MR-J2S-500B to MR-J2S-22KB.
Can be used with the MR-J2S-500B to MR-J2S-22KB.
Section 12.1.3
Torque limit
Servo motor torque can be limited to any value.
Parameters
No.10, 11
No.10, 11
Forced stop signal automatic
ON
ON
Forced stop (EM1) can be automatically switched on internally to invalidate it. Parameter No.23
Output signal (DO) forced
output
output
Output signal can be forced on/off independently of the servo status.
Use this function for output signal wiring check, etc.
Use this function for output signal wiring check, etc.
Section 4.4
(1) (e)
(1) (e)
Test operation mode
JOG operation positioning operation motor-less operation DO forced output Section 4.4
Analog monitor output
Servo status is output in terms of voltage in real time.
Parameter No. 22
MR Configurator
(Servo configuration software)
(Servo configuration software)
Using a personal computer, parameter setting, test operation, status display,
etc. can be performed.
etc. can be performed.
Section 12.1.8