ES-9733 Rev.5

R8-RS4N

Remote I/O R8 Series

RTD INPUT MODULE

(4 points, non-isolated)
Functions & Features
• Accepts direct input from an RTD and provides an isolated, linearized DC signal compact size remote I/O module
• 100 msec. conversion rate per channel

MODEL: R8–RS4N[1]

ORDERING INFORMATION

• Code number: R8-RS4N[1]
Specify a code from below for [1].
  (e.g. R8-RS4N/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

[1] OPTIONS

blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q

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

RELATED PRODUCTS

• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: R8CFG)
Downloadable at our web site.

GENERAL SPECIFICATIONS

Connection
Input: 4-pin e-CON connector
   Unit side connector XN2D-1474-S002 (Omron)
   Recommended cable side connector XN2A-1470 (Omron)
   Applicable wire size: 0.08 - 0.5 mm2 (AWG28 - 20)
   Outer sheath diameter: max. 1.5 dia
   (The cable side 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 connector
Isolation: Input to exc. supply to internal bus or internal power
Zero adjustments: -32000 - 32000 (PC programming)
Span adjustments: -32000 - 32000 (PC programming)
Configurator software can handle 100 - 200℃ as numerical value of 0 - 10000
Input sensor setting:DIP switches on the side or with PC
Burnout detection: Selectable with the side DIP SW
Linearization: Standard
Module address: With rotary switch
Converted data range:
•Engineering unit value (°C, K) × 10 (integer)
•Engineering unit value (°F)
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 the instruction manual.
Input status indicators: Red LED; Refer to the instruction manual.

INPUT SPECIFICATIONS

Maximum leadwire resistance: 20 Ω per wire
Sensing current: ≤ 0.33 mA

INSTALLATION

Max. current consumption: 100 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)

PERFORMANCE

Conversion rate: 100 msec. per channel
Data allocation: 2
Module addresses in use: 2
Temp. coefficient: ±0.03 %/°C (±0.02 %/°F)
Burnout response time: ≤ 1 sec.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1000 V AC @ 1 minute
(input to exc. supply to internal bus or internal power to ground)

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive

EXTERNAL VIEW

OPERATING MODE SETTING

(*) Factory default setting
Note: Be sure to set unused SW4-3 through 4-6 to OFF.

EXTERNAL DIMENSIONS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM