MODEL: R3-PA8

R3-PA8 SPECIFICATIONS

ES-8457 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

Numbers in italic indicate LED No.s assigned to the front panel LEDs.

*For dual redundant communication.

**DO NOT use the terminals No. 9, 11 through 17 and 19.

INTERNAL POWER

RUN LED ERR LED

STATUS

INDICATOR LED

Input Circuit

Communication

Circuit

Control

Circuit

DIP SW

1

16

1

18

9

19

Pi 1

10

20

15

17

14

16

13

15

12

14

11

13

10

12

9

11

8

8

Pi 8

7

7

Pi 7

6

6

Pi 6

5

5

Pi 5

4

4

Pi 4

3

3

Pi 3

2

2

Pi 2

0V

+24V

R3-PA8x/A

Input Circuit

1

16

1

18

9

19

Pi 1

10

20

15

17

14

16

13

15

12

14

11

13

10

12

9

11

8

8

Pi 8

7

7

Pi 7

6

6

Pi 6

5

5

Pi 5

4

4

Pi 4

3

3

Pi 3

2

2

Pi 2

0V

R3-PA8x

COM (

+)

Count

Reset

**

**

Count

Reset

**

■

■

INTERNAL BUS A

INTERNAL BUS B*