ES-8936 Rev.6

R3S-RS4A

Remote I/O R3 Series

RTD INPUT MODULE

(high accuracy, 4 points, isolated, tension clamp terminal block)

MODEL: R3S-RS4A[1][2]

ORDERING INFORMATION

• Code number: R3S-RS4A[1][2]
Specify a code from below for each of [1] and [2].
(e.g. R3S-RS4AW/Q)
• Specify the specification for option code /Q
(e.g. /C01/SET)

NO. OF CHANNELS

4A: 4 channels, high accuracy

[1] COMMUNICATION MODE

S: Single
W: Dual

[2] OPTIONS

blank: none
/Q: Options other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
(No. ESU-8345)

GENERAL SPECIFICATIONS

Connection
Internal bus: Via the Installation Base (model: R3-BSx)
Input: Separable tension clamp terminal (applicable wire
size: 0.2 to 1.5 mm², stripped length 10 mm)
Internal power: Via the Installation Base (model: R3-BSx)
Isolation: Input 1 to input 2 to input 3 to input 4 to internal bus or internal power
Sensor type: Selectable with the side DIP SW
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: ≤ 0.5 mA

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: 200 g (0.44 lb)

PERFORMANCE

Conversion accuracy: ±0.2°C or ±0.4°F
Conversion rate: 250 msec. or 1 sec. selectable
Data range
°C: Engineering unit value × 100 (integer)
°F: Engineering unit value × 10 (integer)
Data allocation: 4
Current consumption: 70 mA
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Resolution: 0.03°C (0.1°F)
Burnout response time: ≤ 2 sec.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute (input 1 to input 2 to input 3 to input 4 to internal bus or internal power)
2000 V AC @ 1 minute (power input to FG; isolated on the power supply module)

EXTERNAL VIEW

INPUT DATA DESCRIPTIONS

■ ANALOG DATA (TEMPERATURE DATA)

EXTERNAL DIMENSIONS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM