MODEL: R3-NM4
Remote I/O R3 Series
PACKAGE INCLUDES...
• Terminating resistor (110 Ω, 0.25 W)
MODBUS INTERFACE MODULE
(for 115.2 kbps)
GENERAL SPECIFICATIONS
Connection
27.5 (1.08)
Modbus: Euro type connector terminal
(applicable wire size: 0.2 to 2.5 mm , stripped length 7 mm)
2
Internal bus: Via the Installation Base
(model: R3-BSx)
130
(5.12)
Internal power: Via the Installation Base (model: R3-BSx)
Power input, RUN contact output: M3 separable screw
terminal (torque 0.5 N·m)
109
(4.29)
Screw terminal: Nickel-plated steel
mm (inch)
Isolation: Modbus to internal bus or internal power to power
input to RUN contact output to FG
Input error data: Input value setting at input module error
with side DIP SW
MODEL: R3-NM4-[1][2]
Main/Sub switching control in dual communication mode:
Selectable with the side DIP SW (refer to the manual)
Dual communication setting: Set with the side DIP switch
Data allocation setting: Set with the side DIP switch
RUN indicator: Bi-color (green/red) LED; Green ON in normal
communication; Red ON when receiving data (Function
selected with DIP SW)
ORDERING INFORMATION
• Code number: R3-NM4-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. R3-NM4-M2/Q)
• Specify the specification for option code /Q
(e.g. /C01/SET)
ERR indicator: Bi-color (green/red) LED; green ON at data
receiving error (blinking with configuration error); Red ON at
EEPROM error; Red blinks when transmitting data (Function
selected with DIP SW)
[1] POWER INPUT
N: No power supply
AC Power
■ RUN CONTACT OUTPUT
M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)*
RUN contact: Turns ON while the green RUN LED is ON
(Modbus in normal communication).
DC Power
Rated load: 250 V AC @ 0.5 A (cos ø = 1)
30 V DC @ 0.5 A (resistive load)
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) *
* Not selectable for use with independent power modules or
network modules with the internal power input options.
Maximum switching voltage: 250 V AC or 30 V DC
Maximum switching power: 250 VA or 150 W
Minimum load: 1 V DC @ 1 mA
Mechanical life: 2 × 10 cycles (300 cycles/min.)
7
When driving an inductive load, external contact protection
and noise quenching recommended.
[2] OPTIONS
blank: none
/Q: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
(No. ESU-8331)
R3-NM4 SPECIFICATIONS
ES-8331 Rev.6 Page 1/8
http://www.m-system.co.jp/