1 function block diagram, Functions and configuration – MITSUBISHI ELECTRIC MR-J2S- CL User Manual

Page 21

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1. FUNCTIONS AND CONFIGURATION

1.1.1 Function block diagram

The function block diagram of this servo is shown below.

(Note2)
Power
supply
3-phase
200 to
230VAC,
or
1-phase
100 to
120VAC

NFB

MC

Servo amplifier

Regenerative brake option

(Note1)

(Note3)

P

D

C

DS

RA

L

1

L

2

L

3

CHARGE

lamp

Regenerative
brake
transistor

Dynamic

brake

Current

detector

Servo motor

SM

U

V

W

U

V

W

E2

E1

Encoder

Electro-
magnetic
brake

CN2

L

11

L

21

Fan

(MR-J2S-200CP or more)

Regenerative
brake

Base

amplifier

Voltage

detection

Overcurrent

protection

Control

power

supply

Current

detection

I/F

A/D

CN1A CN1B

RS-232C

RS-422

D/A

CN3

CON1

MR-BAT

Optional battery
(for absolute position
detection system)

D I/O control
Servo on
Start
Failure, etc.

Analog
(2 channels)

To other servo
amplifier

RS-422/RS-232C

Controller

Analog monitor
(2 channels)

Mo

de

l a

d

a

p

ti

ve

cont

rol

Current
control

Position
control

Speed
control

Position
command
creation

Note:1. The built-in regenerative brake resistor is not provided for the MR-J2S-10CL (1).
2. For 1-phase 230VAC, connect the power supply to L

1

,L

2

and leave L

3

open.

L

3

is not provided for a 1-phase 100 to120VAC power supply.

3. For MR-J2S-350CL or less.

Program

SPN (1000)

STA (200)

STB (300)

MOV (500)

SPN (1000)
MOVA (1000)

MOVA (0)

STOP

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