Sharp CP-SR421 Manual do Utilizador descarregar pdf (Página 22)

1. FUNCTIONS AND CONFIGURATION

1 - 7

1.5 Function list

The following table lists the functions of this servo. For details of the functions, refer to the reference field.

Function Description

Detailed

explanation

Position control mode This servo is used as a position control servo.

Speed control mode This servo is used as a speed control servo.

Torque control mode This servo is used as a torque control servo.

High-resolution encoder

High-resolution encoder of 4194304 pulses/rev is used as the encoder of the rotary

servo motor compatible with the MELSERVO-J4 series.

Absolute position detection

system

Merely setting a home position once makes home position return unnecessary at

every power-on.

Chapter 12

Gain switching function

You can switch between gains during rotation and gains during stop or can use an

input device to switch gains during operation.

Section 7.

Advanced vibration

suppression control II

This function suppresses vibration at the arm end or residual vibration. Section 7.

Adaptive filter II

Servo amplifier detects mechanical resonance and sets filter characteristics

automatically to suppress mechanical vibration.

Section 7.2

Low-pass filter

Suppresses high-frequency resonance which occurs as servo system response is

increased.

Section 7.

Machine analyzer function

Analyzes the frequency characteristic of the mechanical system by simply connecting

a MR Configurator2 installed personal computer and servo amplifier.

MR Configurator2 is necessary for this function.

Robust filter

This function provides better disturbance response in case low response level that

load to motor inertia ratio is high for such as roll send axes.

[Pr. PE41]

Slight vibration suppression

control

Suppresses vibration of ±1 pulse produced at a servo motor stop. [Pr. PB24]

Auto tuning

Automatically adjusts the gain to optimum value if load applied to the servo motor

shaft varies. Higher in performance than MR-J3 series servo amplifier.

Section 6.3

Brake unit

Used when the regenerative option cannot provide enough regenerative power.

Can be used for the 5 kW or more servo amplifier.

Section 11.3

Power regenerative converter

Used when the regenerative option cannot provide enough regenerative power.

Can be used for the 5 kW or more servo amplifier.

Section 11.4

Regenerative option

Used when the built-in regenerative resistor of the servo amplifier does not have

sufficient regenerative capability for the regenerative power generated.

Section 11.2

Alarm history clear Alarm history is cleared. [Pr. PC21]

Output signal selection

(device settings)

The pins that output the output devices, including ALM (Malfunction) and DB

(Dynamic brake interlock), can be assigned to certain pins of the CN3 connectors.

[Pr. PD07] to

[Pr. PD09]

Output signal (DO) forced

output

Output signal can be forced on/off independently of the servo status.

Use this function for output signal wiring check and others.

Section 4..1

(1) (d)

Test operation mode

Jog operation, positioning operation, motor-less operation, DO forced output, and

program operation

MR Configurator2 is necessary for this function.

Section 4.

Analog monitor output Servo status is output in terms of voltage in real time. [Pr. PC09]

MR Configurator2

Using a personal computer, you can perform the parameter setting, test operation,

monitoring, and others.

Section 11.7

Fully closed loop system

(Available in the future.)

Fully closed system can be configured using the load-side encoder. Chapter 16

One-touch tuning

Gain adjustment is performed just by one click on a certain button on MR

Configurator2.

MR Configurator2 is necessary for this function.

Section 6.

Tough drive function

This function makes the equipment continue operating even under the condition that

an alarm occurs.

The tough drive function includes two types: the vibration tough drive and the

instantaneous power failure tough drive.

Section 7.

[Pr. PC09], [Pr. PC10]

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Sharp CP-SR421 Manual do Utilizador Página 22

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