R8-SS4NJ DC CURRENT INPUT MODULE

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ES-9732 Rev.6

R8-SS4NJ

Remote I/O R8 Series

DC CURRENT INPUT MODULE

(built-in excitation, 4 points, non-isolated)
Functions & Features
• Accepts direct input from DC signal, compact size remote I/O module
• Accepts direct input from power output as sensor power and outputs from terminals

MODEL: R8–SS4NJ[1]

ORDERING INFORMATION

• Code number: R8-SS4NJ[1]
Specify a code from below for [1].
(e.g. R8-SS4NJ/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 software (model: R8CFG)
Downloadable at our web site.
A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.

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
Input range: Selectable with the side DIP SW
Module address: With rotary switch
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

Input range: -20 – +20 mA DC configurable
Input range: ：-5 - +105 % (in percentage of input range)
Input resistance: 50 Ω

INSTALLATION

Max. current consumption: 80 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 accuracy (in percentage of input range)
±0.1 % (@ input range -20 - +20 mA)
Conversion accuracy is inversely proportional to input span.
Conversion accuracy computation example:
When input range is 4 - 20 mA: conversion accuracy = nominal input span (40 mA) ÷ input span (16 mA) × 0.1(%) = 0.25 (%).
Nominal input span is the same as the span at input range
-20 - +20 mA DC.
Conversion rate: 4 msec. @ 4 input
Input circuit time constant: Approx. 1 msec.
Data range: 0 – 10000 of the input range
Data allocation: 2
Module addresses in use: 2
Power output (input connector): Rated current 0.5 A DC per channel (rated current 3 A for internal fuse (slow blow fuse i²t (A²sec.) max. 5.04); Total: 1 A DC
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Insulation resistance: ≥ 100 MΩ with 250 V DC
Dielectric strength: 300 V AC @　1 minute
(input to exc. supply)
1500　V AC @　1 minute
(input or 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

SHORT ACROSS GROUNDS

Choose to open or short across grounds of excitation supply and input.
In case of shorting across, insert short-plug in the center pin of JP1 and SHORT side.
In case of opening, insert short-plug in the center pin of JP1 and OPEN side.
Factory default is on SHORT side.