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R7M-MS4

P. 3 / 7

EM-7803-Q Rev.3

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: 

+81(6)6659-8510  E-mail: [email protected]

EXTERNAL DIMENSIONS

  unit: mm (inch)

4

5

6

7

1

2

3

10 11 12 13

2

3

4

1

15 16 17 18

7

8

9

6

14

5

30 (1.18)

[5 (.20)]

3 (.12)

5.5 (.22)

DIN RAIL

35mm wide

54 (2.13)

17 (.66)

50 (1.97)

18.5 (.73)

115 (4.53)

7–M3 SCREW

TERMINALS

for Modbus, POWER

18–M3 SCREW 

TERMINALS

for INPUT

6 (.24)

6 (.24)

CONNECTION DIAGRAM

Connect the unit as in the diagram below.

4

7

6

3

2

5

1

0V

24VDC

FG

SLD

DG

DB

DA

■ 

Input Connection Example

10

H0

11

S0

2

L0

INPUT 0

H1

S1

L1

INPUT 1

H2

S2

L2

INPUT 2

H3

S3

L3

INPUT 3

12

13

4

15

16

7

17

18

9

Hn

Sn

Ln

3

2

1

POTENTIOMETER

max.

min.

+

EXTENSION CONNECTOR

In order to improve EMC performance, bond the FG
terminal to ground.
Caution: FG terminal is NOT a protective conductor terminal.

WIRING INSTRUCTIONS

 

SCREW TERMINAL  

Torque

: 0.5 N·m

 

SOLDERLESS TERMINAL  mm (inch)

Refer to the drawing below for recommended ring tongue 
terminal size.  Spade tongue type is also applicable.  Solder-
less terminals with insulation sleeve do not fit.  
Communication cable: Applicable wire size 0.2 to 0.5 mm

2

 

(AWG26 - 22)
Recommended manufacturer: Japan Solderless Terminal 
MFG.Co.Ltd
Others: 0.25 to 1.65 mm

2

 (AWG 22 to 16)

Recommended manufacturer: Japan Solderless Terminal 
MFG.Co.Ltd, Nichifu Co.,ltd

6 (.24) max

3.3 (.13) max

mm (inch)

Summary of Contents for R7M-MS4

Page 1: ...to the whole system and employ additional protective measures to ensure CE conformity Install lightning surge protectors for those wires connect ed to remote locations Choose a surge protector with it...

Page 2: ...7 6 5 4 3 2 1 0 9 8 7 6 Node Address Setting x1 Factory setting 00 Node Address Setting x10 BAUD RATE Baud Rate is selected with the rotary switch 5 4 3 2 1 0 9 8 7 6 Baud Rate Setting 0 38 4 kbps fa...

Page 3: ...L1 INPUT 1 H2 S2 L2 INPUT 2 H3 S3 L3 INPUT 3 12 13 4 15 16 7 17 18 9 Hn Sn Ln 3 2 1 POTENTIOMETER max min EXTENSION CONNECTOR In order to improve EMC performance bond the FG terminal to ground Cautio...

Page 4: ...EMC Direc tive while it is installed in the control panel Warning and cautions when installing R7M are stated below Use control panels with an internal panel plate both made of metal when installing...

Page 5: ...using an electro magnetically shielded control panel By connecting the internal panel plate and the panel cover with an earth strap grounding may be strengthened and EMC may be improved Ground the con...

Page 6: ...dditional measures may be taken depending upon actual installation sites These points of cautions are illustrated in the next page Keep cables as short as possible It prevents noise emissions from the...

Page 7: ...is not effective Points of cautions applicable when wiring the R7M Series To external apparatus Keep the cable as short as possible To external apparatus Shielded Cable Earth Clamp Remove a part of t...

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