MODEL: R7G4HML3-6-PA1

R7G4HML3-6-PA1 SPECIFICATIONS

ES-7772-D Rev.0 Page 9/10

http://www.m-system.co.jp/

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Note: In order to improve EMC performance, bond the FE terminal to ground.

Caution: FE terminal is NOT a protective conductor terminal.

Input

Circuit

A–

A+

1

Z–

Z+

B–

B+

+24V

GND

■ R7G4HML3–6–PA1J (RS-422 LINE DRIVER PULSE INPUT)

+24V

GND

ENCODER

(RS-422 OUTPUT)

+24V

GND

GND

+24V

Isolation

Comm.

Circuit

Control

Circuit

1

2

4

5

6

7

3

10

11

2

3

12

13

4

6

14

15

7

16

17

8

18

9

SNSR EXC.–

SENSOR EXCITATION (IN)

24V DC

+

–

FE

24 V DC

0V

+

–

ENCODER POWER

Note. For wiring of encoder input, use twisted pair cable with shield. Be sure to ground the shield.

OPEN COLL. OUTPUT A

OPEN COLL. OUTPUT B

+24V1

GND

LCH

GND

OCA

GND

RST

GND

OCB

Detecting Circuit

Detecting Circuit

LATCH

RESET