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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
(Note)
Control mode
Reference
Position control mode This servo is used as position control servo. P
Section 3.1.1
Section 3.4.1
Section 4.2.2
Internal speed control mode This servo is used as internal speed control servo. S
Section 3.1.2
Section 3.4.2
Section 4.2.3
Position/internal speed control
change mode
Using external input signal, control can be switched between
position control and internal speed control.
P/S Section 3.4.4
High-resolution encoder
High-resolution encoder of 131072 pulses/rev is used as a
servo motor encoder.
P, S
Gain changing function
You can switch between gains during rotation and gains during
stop or use an external input signal to change gains during
operation.
P, S Section 8.5
Adaptive vibration suppression
control
Servo amplifier detects mechanical resonance and sets filter
characteristics automatically to suppress mechanical vibration.
P, S Section 8.3
Low-pass filter
Suppresses high-frequency resonance which occurs as servo
system response is increased.
P, S Section 8.4
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.
P
Machine simulation
Can simulate machine motions on a personal computer screen
on the basis of the machine analyzer results.
P
Gain search function
Personal computer changes gains automatically and searches
for overshoot-free gains in a short time.
P
Slight vibration suppression
control
Suppresses vibration of 1 pulse produced at a servo motor
stop.
P Parameter No.20
Electronic gear Input pulses can be multiplied by 1/50 to 50. P
Parameters No.3, 4,
69 to 71
Auto tuning
Automatically adjusts the gain to optimum value if load applied
to the servo motor shaft varies.
P, S Chapter 7
Position 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
Regenerative option
Used when the built-in regenerative resistor of the servo
amplifier does not have sufficient regenerative capability for the
regenerative power generated.
P, S Section 13.1.1
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