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R7M-RS4

P. 3 / 7

EM-7803-C Rev.5

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

10

INA0

2

INB0

11

INb0

INPUT 0

INA1

INB1

INb1

INPUT 1

INA2

INB2

INb2

INPUT 2

INA3

INB3

INb3

INPUT 3

12

4

13

15

7

16

17

9

18

■ 

Input Connection Example

INAn

INBn

INbn

RTD

A

B

B

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-RS4

Page 1: ...by a Class 2 power sup ply CONFORMITY WITH EU DIRECTIVES The equipment must be mounted inside the instrument panel of a metal enclosure The actual installation environments such as panel con figuratio...

Page 2: ...rotary switch 5 4 3 2 1 0 9 8 7 6 Baud Rate Setting 0 38 4 kbps factory setting 1 19 2 kbps 2 9600 bps 3 4800 bps EXTENSION MODULE Combinations with all extension modules are selectable OPERATING MOD...

Page 3: ...B2 INb2 INPUT 2 INA3 INB3 INb3 INPUT 3 12 4 13 15 7 16 17 9 18 Input Connection Example INAn INBn INbn RTD A B B EXTENSION CONNECTOR In order to improve EMC performance bond the FG terminal to ground...

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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