MODEL: R1M-A1

R1M-A1 SPECIFICATIONS

ES-5661 Rev.14 Page 4/10

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

CONNECTION DIAGRAM

Note: In order to improve EMC performance, bond the FG terminal to ground.

Caution: FG terminal is NOT a protective conductor terminal.

RS-232-C

T3

T4

T2

T1

T7

T6

T5

Term.

Resist.

Output

Circuit

When the device is located at the end of a transmission line via twisted-pair cable,

(when there is no cross-wiring), close across the terminal T2 – T3 with the attached

jumper pin (or with a leadwire).

When the device is not at the end, remove the jumper pin.

*

Power

Circuit

+

–

Shielded Twisted-pair Cable

To Other

I/O Modules

Jumper*

FG

U (+)

V (–)

POWER

9

8

7

6

5

4

3

2

1

10

12

11

13

15

14

16

17

18

20

19

21

22

23

24

25

27

26

28

29

30

31

32

33

35

34

36

ch.1

ch.2

ch.3

ch.4

ch.5

ch.6

ch.7

ch.8

COM (–)

ch.9

ch.10

ch.11

ch.12

ch.13

ch.14

ch.15

ch.16

COM (–)

ch.17

ch.18

ch.19

ch.20

ch.21

ch.22

ch.23

ch.24

COM (–)

ch.25

ch.26

ch.27

ch.28

ch.29

ch.30

ch.31

Count Reset Input ch.32

COM (–)

Input Circuit

Input Circuit

A9

A8

A7

A6

A5

A4

A3

A2

A1

A10

A12

A11

A13

A15

A14

A16

B1

:

B16

ch.1

ch.2

ch.3

ch.4

ch.5

ch.6

ch.7

ch.8

ch.9

ch.10

ch.11

ch.12

ch.13

ch.14

ch.15

ch.16

COM (–)

A9

A8

A7

A6

A5

A4

A3

A2

A1

A10

A12

A11

A13

A15

A14

A16

ch.17

CN1

ch.18

ch.19

ch.20

ch.21

ch.22

ch.23

ch.24

ch.25

ch.26

ch.27

ch.28

ch.29

ch.30

ch.31

Count Reset Input ch.32

■ FCN TYPE CONNECTOR

■ M3 SCREW TERMINALS

CN2

B1

:

B16

COM (–)