MODEL: R3-AV4

R3-AV4 SPECIFICATIONS

ES-8435 Rev.7 Page 4/4

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

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

INPUT 1

11

1

12

+

–

2

–

NARROW SPAN

WIDE SPAN

+

INTERNAL POWER

* For dual redundant communication.

Note: Connect either wide or narrow span terminals for each channel.

Control

Circuit

Communication

Circuit

Input Circuit

15

5

20

10

DIP SW

RUN LED ERR LED

INPUT 2

13

3

14

+

–

4

–

NARROW SPAN

WIDE SPAN

+

Input Circuit

INPUT 3

16

6

17

+

–

7

–

NARROW SPAN

WIDE SPAN

+

Input Circuit

INPUT 4

18

8

19

+

–

9

–

NARROW SPAN

WIDE SPAN

+

Input Circuit

INTERNAL BUS A

INTERNAL BUS B*

Specifications are subject to change without notice.