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1. FUNCTIONS AND CONFIGURATION
1.2 Function ListThe following table lists the functions of the MR-J2-03A5. For details of the function s, refer to thecorresponding chapters and sections.
Function Description (Note)
Control Mode Refer To
Position control mode MR-J2-03A5 is used as position control servo. P Section 3.1.1
Section 3.4.1
Section 4.2.2
Speed control mode MR-J2-03A5 is used as speed control servo. S Section 3.1.2
Section 3.4.2
Section 4.2.3
Torque control mode MR-J2-03A5 is used as torque control servo. T Section 3.1.3
Section 3.4.3
Section 4.2.4
Position/speed control
change mode Using external input signal, control can be switched
between position control and speed control. P/S Section 3.4.4
Speed/torque control change
mode Using external input signal, control can be switched
between speed control and torque control. S/T Section 3.4.5
Torque/position control
change mode Using external input signal, control can be switched
between torque control and position control. T/P Section 3.4.6
Slight vibration suppression
control Suppresses vibration of ±1 pulse produced at a servo motor
stop. P Section 7.5
Electronic gear Input pulses can be multiplied by 1/50 to 50. P Parameters No. 3, 4
Real-time auto tuning Automatically adjusts the gain to optimum value if load
applied to the servo motor shaft varies. P, S Section 7.3
Parameter No. 2
Smoothing Speed can be increased smoothly in response to input pulse. P Parameter No. 7
S-pattern acceleration/
deceleration time constant Speed can be increased and decreased smoothly. S Parameter No. 13
Alarm history clear Alarm history is cleared. P, S, T Parameter No. 16
Restart after instantaneous
power failure
If the input power supply voltage had reduced to cause an
alarm but has returned to normal, the servo motor can be
restarted by merely switching on the start signal. S Parameter No. 20
Command pulse selection Command pulse train form can be selected from among
four different types. P Parameter No. 21
Input signal selection Forward rotation start, reverse rotation start, servo on and
other input signals can be assigned to any pins. P, S, T Parameters No. 43 to
48
Torque limit Servo motor-generated torque can be limited to any value. P, S Section 3.4.1 (2)
Parameter No. 28
Speed limit Servo motor speed can be limited to any value. T Section 3.4.3 (3)
Parameter No. 8 to 10
Status display Servo status is shown on the 4-digit, 7-segment LED
display P, S, T Section 6.2
External I/O display ON/OFF statuses of external I/O signals are shown on the
display. P, S, T Section 6.6
Output signal forced output Output signal can be forced on/off independently of the
servo status.
Use this function for output signal wiring check, etc. P, S, T Section 6.7
Automatic VC offset Voltage is automatically offset to stop the servo motor if it
does not come to a stop at the analog speed command (VC)
or analog speed limit (VLA) of 0V. S, T Section 6.3
Test operation mode Servo motor can be run from the operation section of the
servo amplifier without the start signal entered. P, S, T Section 6.8