Справочник Пользователя для Mitsubishi Electronics QD77MS4

Appendix - 45

Appendices

Appendix 4 Comparisons with positioning modules /LD77MH models

Appendix 4.1 Differences with QD75MH models

(1) Differences of performance specifications

Model

Item

QD77MS2 QD77MS4 QD77MS16 QD75MH2

QD75MH4

Number of control axes

Operation cycle [ms]

0.88/1.77

1.77

Control system

Speed-torque
control

Synchronous control

Starting time
(1-axis linear)

Trapezoidal
acceleration/
deceleration

0.88ms 1.77ms

3.5ms

S-curve
acceleration/
deceleration

4.0ms

SSCNET communication

SSCNET /H or SSCNET

SSCNET

Compatible servo amplifier

MR-J4-_B/MR-J4W-_B/

MR-J3-_B/MR-J3W-_B/MR-J3-_B-RJ006/

MR-J3-_BS/MR-J3-_B-RJ004/

MR-J3-_B-RJ080W/MR-JE-_B

MR-J3-_B/MR-J3W-_B/MR-J3-_B-RJ006/

MR-J3-_BS/MR-J3-_B-RJ004/

MR-J3-_B-RJ080W

(Note-1)

Controlled
servo
parameter
group

SSCNET /H

PA, PB, PC, PD, PE, PS, PF, Po, PL

SSCNET

PA, PB, PC, PD, PE, PS, PF, Po

PA, PB, PC, PD, PE, PS

Monitor data refresh cycle [ms]

Operation cycle

1.77

Other than the

following

56.8

Machine feed value,

Feedrate,

Axis feedrate,

External input signal,

Forced stop input

Manual pulse
generator

Signal input
form

Set "differential-output type" or "voltage-output/open-

collector type" by parameter ([Pr.89]).

Automatic recognition of "differential-output

type" or "voltage-output/open-collector type"

by hardware

1 pulse input
magnification

1 to 10000

1 to 1000

(Note-1)

Machine OPR function
(OPR method)

5 types

(Near-point dog method, Count method 1) 2), Data set

method, Scale origin signal detection method

)

4 types

(Near-point dog method, Count method 1) 2),

Data set method)

External signal selection function

External input signal of QD77MS

(FLS, RLS, DOG, STOP, DI) /

External input signal of servo amplifier

(FLS, RLS, DOG) / external input signal via CPU

(buffer memory : FLS, RLS, DOG)

External input signal of QD75MH
(FLS, RLS, DOG, STOP, CHG) /

external input signal of servo amplifier

(FLS, RLS, DOG)

Torque change function

Forward/reverse same setting and individual setting

Forward/reverse same setting only

(Note-1)

Amplifier-less operation function

(Note-1)

Virtual servo amplifier function

Mark detection function

Optional data monitor function

Module error collection function