MODEL: R3-MS4

R3-MS4 SPECIFICATIONS

ES-8401 Rev.8 Page 4/4

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

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

1

2

INTERNAL POWER

Control

Circuit

Communication

Circuit

15

20

DIP SW

RUN LED ERR LED

11

10

5

1

Input Circuit

* For dual redundant communication.

INPUT 1

+

–

3

2

1

POTENTIOMETER

max.

min.

Excitation

Generator

1

4

14

13

3

Input Circuit

INPUT 2

+

–

3

2

1

POTENTIOMETER

max.

min.

Excitation

Generator

1

7

17

16

6

Input Circuit

INPUT 3

+

–

3

2

1

POTENTIOMETER

max.

min.

Excitation

Generator

1

9

19

18

8

Input Circuit

INPUT 4

+

–

3

2

1

POTENTIOMETER

max.

min.

Excitation

Generator

• Unused Input Channels

Close across the unused input terminals as shown below.

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.

1

11

INPUT 1

3

13

INPUT 2

6

16

INPUT 3

8

2

4

7

9

18

12

14

17

19

INPUT 4

SHORT

INTERNAL BUS A

INTERNAL BUS B *

12

Specifications are subject to change without notice.