MODEL: R3-PA2

R3-PA2 SPECIFICATIONS

ES-8386 Rev.10 Page 4/5

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

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

1

11

12

13

14

15

16

17

18

19

20

2

3

4

5

6

7

8

9

10

27.5 [1.08]

109 [4.29]

POSITIONING

GUIDE

TERMINAL

COVER

20–M3

SCREW

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

INTERNAL POWER

Isolation

* For dual redundant communication.

Communication

Circuit

1

+A1

15

COM1

14

COM1

13

OUT 21

12

OUT 11

11

INP 1

5

GND1

4

–B1

3

+B1

2

–A1

Control

Circuit

DIP SW

RUN LED ERR LED

RESET

ALARM 2

ALARM 1

Input 1

6

+A2

20

COM2

19

COM2

18

OUT 22

17

OUT 12

16

INP 2

10

GND2

9

–B2

8

+B2

7

–A2

RESET

ALARM 2

Input 2

Input

Circuit

Isolation

Input

Circuit

ALARM 1

INTERNAL BUS A

INTERNAL BUS B *