MODEL: R3Y-MS8

R3Y-MS8 SPECIFICATIONS

ES-8956 Rev.9 Page 4/5

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

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Control

Circuit

DIP SW

ERR LED

RUN LED

Input Circuit

Input Circuit

Input Circuit

Input Circuit

Input Circuit

Input Circuit

Input Circuit

Input Circuit

INPUT 1

+

–

3

2

1

max.

min.

INPUT 2

+

–

3

2

1

POTENTIOMETER

max.

min.

INPUT 3

+

–

3

2

1

POTENTIOMETER

max.

min.

INPUT 4

+

–

3

2

1

POTENTIOMETER

max.

min.

INPUT 5

+

–

3

2

1

POTENTIOMETER

max.

min.

INPUT 6

+

–

3

2

1

POTENTIOMETER

max.

min.

INPUT 7

+

–

3

2

1

POTENTIOMETER

max.

min.

INPUT 8

+

–

3

2

1

POTENTIOMETER

max.

min.

INPUT 1

INPUT 2

INPUT 3

INPUT 4

INPUT 5

INPUT 6

INPUT 7

INPUT 8

SHORT

SHORT

INTERNAL POWER

INTERNAL BUS A

INTERNAL BUS B*

POTENTIOMETER

19B

18B

17B

15B

14B

13B

11B

10B

9B

7B

6B

5B

19A

18A

17A

15A

14A

13A

11A

10A

9A

7A

6A

5A

Excitation

Generator

Excitation

Generator

Excitation

Generator

Excitation

Generator

Excitation

Generator

Excitation

Generator

Excitation

Generator

Excitation

Generator

*For dual redundant communication.

• Unused Input Channels

Close across the unused input terminals as shown below.

7B

6B

5B

11B

10B

9B

19B

18B

17B

15B

14B

13B

7A

6A

5A

11A

10A

9A

19A

18A

17A

15A

14A

13A

Communication

Circuit

The input will become unstable if unused channels are left open.

Unused channels can be specified and set so on the PC Configurator Software

(model: R3CON) without needing to short at the field terminals.