R8-SST8 DC CURRENT INPUT MODULE

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ES-9697 Rev.2

R8-SST8

Remote I/O R8 Series

DC CURRENT INPUT MODULE

(8 points, isolated, Tension clamp terminal block)
Functions & Features
• 8 channels for DC current input, compact size remote I/O module
• Isolation between channels
• Input range adjustment with DIP switch or PC configurator

MODEL: R8–SST8[1]

ORDERING INFORMATION

• Code number: R8-SST8[1]
Specify a code from below for [1].
(e.g. R8-SST8/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: Tension clamp
   Applicable wire size: 0.2 - 1.5 mm²
   Stripped length: 10 mm
• Excitation supply, internal bus:
   Connected to internal bus connector
• Internal power: Via bus connector
Isolation: Input 1 to input 2 to input 3 to input 4 to input 5 to input 6 to input 7 to input 8 to exc. supply to internal bus or internal power
Input range: Selectable with the side DIP SW
Module address: With DIP 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: 100 Ω

INSTALLATION

Max. current consumption: 200 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: 100 g (0.22 lb)

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: 8 msec.
Input circuit time constant: Approx. 1 msec.
Data range: 0 – 10000 of the input range
Data allocation: 2
Module addresses in use: 4
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength:
500 V AC @ 1 minute (input 1 to input 2 to input 3 to
input 4 to input 5 to input 6 to input 7 to input 8)
1500 V AC @ 1 minute (input to exc. supply to internal bus
or internal power to FG)