MODEL: R8-DC4C
Remote I/O R8 Series
PHOTO MOSFET RELAY OUTPUT MODULE
Functions & Features• 4-channel photo MOSFET relay output, compact size
remote I/O module
12 [.47]

115 [4.53]

59 [2.32]mm [inch]

MODEL: R8–DC4C[1]Applicable wire size 0.08 - 0.5 mm2 (AWG28 - 20)
Outer sheath diameter: max. 1.5 dia(The cable connector is not included in the package.
Refer to the specifications of the product.)•Excitation supply, internal bus:
Connected to internal bus connector•Internal power: Supplied from internal bus connectorIsolation: Output or exc. supply to internal bus or internal
power
Module address: With rotary switch
Output at the loss of communication: Selectable with theside DIP SW
Terminating resistor: Built-in (DIP Switch, default: disable)
Configuration mode: With DIP switches on the side panel
Status indicator: Bi-color (red/green) LED; Refer to theinstruction manual.
Discrete output status indicators: Green LED; Refer to theinstruction manual.

OUTPUT SPECIFICATIONS
Number of outputs: 4
Rated load voltage: 48 V peak AC/DC
Rated output current: 0.2 A per pointOutput ON resistance: ≤ 1 Ω
Leakage current at open circuit: ≤ 0.1 mA
ON delay: ≤ 5 msec.
OFF delay: ≤ 3 msec.
(When driving an inductive load, external contact protection
and noise quenching recommended.)

ORDERING INFORMATION• Code number: R8-DC4C[1]Specify a code from below for [1].
(e.g. R8-DC4C/Q)• Specify the specification for option code /Q(e.g. /C01)[1] OPTIONS
blank: none
/Q: With options (specify the specification)

INSTALLATIONCOATING (For the detail, refer to our web site.)/C01: Silicone coating/C02: Polyurethane coating

Max. current consumption: 120 mA
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: DIN rail
Weight: 60 g (2.12 oz)

RELATED PRODUCTSPERFORMANCE• PC configurator software (model: R8CFG)
Downloadable at our web site.
A dedicated cable is required to connect the module to thePC. Please refer to the internet software download site orthe users manual for the PC configurator for applicable
cable types.

Data allocation: 1Module addresses in use: 1
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500V AC @1 minute(output or exc. supply to internal bus or internal power toground)

GENERAL SPECIFICATIONSSTANDARDS & APPROVALS

Connection•Output: 4-pin e-CON connector
Unit side connector XN2D-1474-S002 (Omron)
Recommended cable side connector XN2A-1470 (Omron)

EU conformity:
EMC Directive
EMI EN 61000-6-4

SPECIFICATIONS OF OPTION: Q

R8-DC4C SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-9743 Rev.4 Page 1/3

MODEL: R8-DC4CEMS EN 61000-6-2
RoHS Directive

EXTERNAL VIEWFRONT VIEW

SIDE VIEW
Module Address Setting
Rotary SW
Status Indicator LED

787878456

x10232378456

901

23

Discrete Output Status Indicator LED
901

23

RUN901901

SW1

CARD ADD.

SW2x1

456

456

Function Setting
DIP SW

Internal Bus Connector

On

DO1

SW412345678

Output Connectors

DO2On

Term

SW3

DO3

Terminator DIP SW

DO4

OPERATING MODE SETTING(*) Factory setting
Caution ! - SW4-1 through 4-6 are unused. Be sure to turnoff unused ones.
■ Module Address
The left switch determines the tenth place digit, while theright switch does the ones place digit of the address.
Address is selected between 0 to 31.
(Factory setting: 0)

TERMINATOR SWWithout (*)
WithSW3
OFFON901
23456

237 8901
7 8■ Terminator DIP SW

456

Module Address Setting (x1)
Module Address Setting (x10)■ Output at the Loss of Communication
SW4

OUTPUT AT THE LOSS OF COMMUNICATION

7

Output Hold (*)(last data correctly received is hold)OFF

Stop output (Output fixed at OFF)ON

■ Configuration Mode
CONFIGURATION MODE

SW48

DIP switch setting (*)

OFF

PC Configurator and communication

ON

R8-DC4C SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-9743 Rev.4 Page 2/3

MODEL: R8-DC4C
6 [.24] 7 [.28]

EXTERNAL DIMENSIONS unit: mm [inch]
12 [.47](3 [.12])59 [2.32](4 [.16])55 [2.17]

7 [.28] 6 [.24]

115 [4.53]

DIN RAIL(35 mm wide)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

INTERNAL
BUS

INTERNAL
POWER
EXC.*1
SUPPLY

BUS CONNECTORSTATUSOUTPUT
LED STATUS LED

OUTPUT
CONNECTOR 1

Communication
Circuit

1ControlCircuitOutputCircuitNC

3NC

Do1・・・・・+24V

0V

2

ROTARY SW
DIP SW

4OUTPUTCONNECTOR 412NC

3NCDo44*1. Not used.
■ Refer to the figure below for Photo MOSFET Relay discrete protection and noise removal.
•DC Powered•AC Powered
Coil, etc.
Inductive loads
Load

Coil, etc.
Inductive loads

Varistor/CR Circuit

Load

Varistor/CR Circuit

USpecifications are subject to change without notice.

R8-DC4C SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-9743 Rev.4 Page 3/3