Terminal Connections; Wiring Instructions; Communication Cable Connections - M-system R3-NM4 Instruction Manual

TERMINAL CONNECTIONS

Connect the unit as in the diagram below.
■ EXTERNAL DIMENSIONS unit: mm (inch)
■ CONNECTION DIAGRAM
To Other
Modbus
Devices
+
RUN
RUN CONTACT OUTPUT
–
RUN
U (+)
*
POWER INPUT
V (–)
*
FG
CONFIGURATION JACK
*Not provided with 'No Power Supply' type module.
Caution: FG terminal is NOT a protective conductor terminal.

COMMUNICATION CABLE CONNECTIONS

HOST PC
TERMINATOR
Tx+ / Rx+
Tx– / Rx–
SG
Rx+
Rx–
27.5 (1.08)
6–M3
SCREW
1
4
2
5
3
6 TERMINAL
COVER
FG
INTERNAL BUS
SLD
DG
DB
DA
INTERNAL
POWER
1
4
2
3
6
JACK
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
109 (4.29)

WIRING INSTRUCTIONS

■ M3 SCREW TERMINAL (power input, RUN contact output)
Torque: 0.5 N·m
■ SOLDERLESS TERMINAL
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.
Recommended manufacturer: Japan Solderless Terminal
MFG.Co.Ltd, Nichifu Co.,ltd
Applicable wire size: 0.75 to 1.25 mm
3max
■ EURO TYPE CONNECTOR TERMINAL (Modbus)
Applicable wire size: 0.2 to 2.5 mm
Stripped length: 7 mm
MODBUS
INTERFACE
MODULE
DA
DB
DG
SLD
FG
FG
R3-NM4
POSITIONING
GUIDE
2
4min
3.2 dia.
12max
(mm)
(AWG24 to 12)
2
MODBUS
INTERFACE
MODULE
DA
DB
DG
SLD
FG
FG
EM-8331 Rev.4 P. 4 / 8