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17. APPLICATIO N OF FUNCTIONS 17 - 11 (2) How to selec t "J3 c ompat ibility mode" using the ap plica tion " MR-J4(W) -B mod e selection" or "M R Mode Change" The appl ication "MR- J4( …

17. APPLICATION OF FUNCTIONS

17 - 10

(b) Operation when using a servo amplifier after change of specifications

For the controllers in which "Not required" is described to controller reset in table 17.3, the mode will

be switched to "J3 compatibility mode" for all axes at the first connection. It takes about 10 s for

completing the connection not depending on the number of axes.

For the controllers in which "Reset required" is described in table 17.3, the operation at the first

connection is shown in table 17.4. The servo amplifier's mode will be "J3 compatibility mode" and the

LED displays will be "rST" for all axes at the first connection to the controller as shown in table 17.4.

At the status, resetting controller once will change the display to "b##" (## means axis No.) for all

axes and all axes will be ready to connect.

(One controller reset enables to all-axis connection.)

Table 17.3 Controller reset required/not required list (after change of specifications)

Controller Model

Controller reset required/not required

Single-axis

connection

Multi-axis connection

Motion controller

R_MTCPU Not required Not required

Q17_DSCPU Not required Not required

Q17_DCPU Not required Not required

Q17_HCPU Not required Not required

Q170MCPU Not required Not required

Simple motion module

Positioning module

RD77MS_ Not required Not required

QD77MS_ Not required Not required

LD77MS_ Not required Not required

QD75MH_ Not required Not required

QD74MH_ Reset required Reset required

LD77MH_ Not required Not required

FX3U-20SSC-H Reset required Reset required

Table 17.4 Controller connection operation after change of specifications

After change of specifications (software version A5 or later)

First connection of controller

Controller

Axis

No. 1

STr

Axis

No. 2

STr

Axis

No. 3

STr

"rST" is displayed only for the first connection.

After controller reset

Controller

Axis

No. 1

01b

Axis

No. 2

02b

Axis

No. 3

03b

All axes are connected by one reset.

When using servo amplifiers before change of specifications and after change of specifications

simultaneously, controller reset is necessary for number of connecting axes of servo amplifiers.

17. APPLICATION OF FUNCTIONS

17 - 11

(2) How to select "J3 compatibility mode" using the application "MR-J4(W)-B mode selection" or "MR Mode

Change"

The application "MR-J4(W)-B mode selection" or "MR Mode Change" included in MR Configurator2 can

be used to manually switch the servo amplifier mode to "J3 compatibility mode" beforehand. Use it for a

solution when it is difficult to reset many times with your "Reset required" controller such as "QD74MH_".

The application "MR-J4(W)-B mode selection" and "MR Mode Change" are also available by

downloading the free trial version of MR Configurator2 from the "Mitsubishi Electric FA site". The

application "MR-J4(W)-B mode selection" and "MR Mode Change" do not have an expiration date.

Select "Change the mode".

Select "J3 compatibility mode".

Select "Operation Mode" .

17.1.9 J3 extension function

POINT

The J3 extension function is used with servo amplifiers with software version B0

or later.

To enable the J3 extension function, MR Configurator2 with software version

1.25B or later is necessary.

The J3 extension function of the amplifier differs from MR-J3-B in motion.

The J3 extension function is for using functions of J4 mode with J3 compatibility mode.

By enabling the J3 extension function, control response will be equal to MR-J4 series using a controller

compatible with SSCNET III.

J4 mode

J3 compatibility mode

J3 extension function enabled:

[Pr. PX01] = "_ _ _ 1"

J3 extension function disabled:

[Pr. PX01] = "_ _ _ 0"

SSCNET III/H

communication

MR-J4-B function

SSCNET III communication

The same parameter ordering as MR-

J3-B

MR-J4-B control function

Parameter added

SSCNET III communication

The same parameter ordering as MR-

J3-B

17. APPLICATION OF FUNCTIONS

17 - 12

The following shows functions used with the J3 extension function.

Function Description

Detailed

explanation

Gain switching function

(Vibration suppression control

2 and model loop gain)

You can switch gains during rotation/stop, and can use input devices to switch gains

during operation.

Section

17.1.9 (6)

Advanced vibration

suppression control II

This function suppresses vibration at the arm end or residual vibration.

Section

17.1.9 (5) (c)

Machine resonance

suppression filter 3

Machine resonance

suppression filter 4

Machine resonance

suppression filter 5

This is a filter function (notch filter) which decreases the gain of the specific frequency

to suppress the resonance of the mechanical system.

Section

17.1.9 (5) (a)

Shaft resonance suppression

filter

When a load is mounted to the servo motor shaft, resonance by shaft torsion during

driving may generate a mechanical vibration at high frequency. The shaft resonance

suppression filter suppresses the vibration.

Section

17.1.9 (5) (b)

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. PX31]

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

17.1.9 (4)

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

17.1.9 (7)

SEMI-F47 function (Note)

Enables to avoid triggering [AL. 10 Undervoltage] using the electrical energy charged

in the capacitor in case that an instantaneous power failure occurs during operation.

Use a 3-phase for the input power supply of the servo amplifier. Using a 1-phase 200

V AC for the input power supply will not comply with SEMI-F47 standard.

[Pr. PX25]

[Pr. PX28]

Section

17.1.9 (8)

Drive recorder function

This function continuously monitors the servo status and records the status transition

before and after an alarm for a fixed period of time. You can check the recorded data

on the drive recorder window on MR Configurator2 by clicking the "Graph" button.

However, the drive recorder will not operate on the following conditions.

1. You are using the graph function of MR Configurator2.

2. You are using the machine analyzer function.

3. [Pr. PX30] is set to "-1".

4. The controller is not connected (except the test operation mode).

5. An alarm related to the controller is occurrin

[Pr. PX29]

Power monitoring function

This function calculates the power running energy and the regenerative power from

the data in the servo amplifier such as speed and current. Power consumption and

others are displayed on MR Configurator2 in the system of SSCNET III/H. Since the

servo amplifier sends data to a servo system controller, you can analyze the data and

display the data on a display.

Machine diagnosis function

From the data in the servo amplifier, this function estimates the friction and vibrational

component of the drive system in the equipment and recognizes an error in the

machine parts, including a ball screw and bearing.

MR Configurator2 is necessary for this function.

Lost motion compensation

function

This function improves the response delay occurred when the machine moving

direction is reversed. This is used with servo amplifiers with software version B4 or

later.

Section

17.1.9 (9)

Note. For servo s

stem controllers which are available with this, contact

our local sales office.