MODEL: R3-RS8A

R3-RS8A SPECIFICATIONS

ES-8407 Rev.9 Page 1/5

https://www.m-system.co.jp/

Remote I/O R3 Series

RTD INPUT MODULE

(high accuracy, 8 points, isolated)

109

[4.29]

27.5 [1.08]

130

[5.12]

mm [inch]

MODEL: R3-RS8A[1][2]

ORDERING INFORMATION

• Code number: R3-RS8A[1][2]

Specify a code from below for each of [1] and [2].

(e.g. R3-RS8AW/CE/Q)

• Specify the specification for option code /Q

(e.g. /C01/SET)

NO. OF CHANNELS

8A: 8 channels, high accuracy

[1] COMMUNICATION MODE

S: Single

W: Dual

[2] OPTIONS (multiple selections)

Standards & Approvals

blank: Without CE

/CE: CE marking

Other Options

blank: none

/Q: Option other than the above (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-8407)

GENERAL SPECIFICATIONS

Connection

Internal bus: Via the Installation Base (model: R3-BSx)

Input: M3 separable screw terminal (torque 0.5 N·m)

Internal power: Via the Installation Base (model: R3-BSx)

Screw terminal: Nickel-plated steel

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 internal bus or internal power

Sensor type: Selectable with the side DIP SW

(Independent types selectable per group of 4 channels.)

Temperature unit: °C or °F selectable with the side DIP SW

Conversion rate: Selectable with the side DIP SW

Burnout detection: Upscale or downscale selectable with the

side DIP SW

Linearization: Standard

RUN indicator: Bi-color (red/green) LED;

Red when the bus A operates normally;

Green when the bus B operates normally;

Amber when both buses operate normally.

ERR indicator: Bi-color (red/green) LED;

Red with burnout; Green in normal operating conditions.

INPUT SPECIFICATIONS

Maximum leadwire resistance: 10 Ω per wire

Sensing current: ≤ 1 mA

Temperature range

RTD

Conformance Range

Burnout Values

°C

°C × 100

Pt 100 (JIS ’97, IEC)

-100 to +200

Pt 100 (JIS ’89)

-100 to +200

JPt 100 (JIS ’89)

-100 to +200

RTD

Conformance Range

Burnout Values

°F

°F × 10

Pt 100 (JIS ’97, IEC)

-148 to +392

Pt 100 (JIS ’89)

-148 to +392

JPt 100 (JIS ’89)

-148 to +392

+32767

+32767

+32767

-24000

-24000

-23600

+16520

+16520

+10400

-4000

-4000

-3298

INSTALLATION

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: Installation Base (model: R3-BSx)

Weight: 250 g (0.55 lb)