MODEL: R3-RS8A
Remote I/O R3 Series
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
RTD INPUT MODULE
(high accuracy, 8 points, isolated)
27.5 [1.08]
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
130
[5.12]
109
[4.29]
mm [inch]
Linearization: Standard
RUN indicator: Bi-color (red/green) LED;
Red when the bus A operates normally;
MODEL: R3-RS8A[1][2]
Green when the bus B operates normally;
Amber when both buses operate normally.
ERR indicator: Bi-color (red/green) LED;
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)
Red with burnout; Green in normal operating conditions.
INPUT SPECIFICATIONS
Maximum leadwire resistance: 10 Ω per wire
Sensing current: ≤ 1 mA
• Specify the specification for option code /Q
(e.g. /C01/SET)
Temperature range
NO. OF CHANNELS
8A: 8 channels, high accuracy
RTD
Conformance Range
°C
Burnout Values
°C × 100
/RZHU
8SSHU
Pt 100 (JIS ’97, IEC
Pt 100 (JIS ’89)
JPt 100 (JIS ’89)
)
-100 to +200
-100 to +200
-100 to +200
+32767
+32767
+32767
-24000
-24000
-23600
[1] COMMUNICATION MODE
S: Single
W: Dual
RTD
Conformance Range
°F
Burnout Values
°F × 10
/RZHU
8SSHU
[2] OPTIONS (multiple selections)
Standards & Approvals
blank: Without CE
Pt 100 (JIS ’97, IEC
Pt 100 (JIS ’89)
JPt 100 (JIS ’89)
)
-148 to +392
-148 to +392
-148 to +392
-4000 +16520
-4000 +16520
-3298 +10400
/CE: CE marking
Other Options
INSTALLATION
blank: none
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)
/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)
R3-RS8A SPECIFICATIONS
ES-8407 Rev.9 Page 1/5
https://www.m-system.co.jp/