MODEL: R3-RS8
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
(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, °F or absolute temperature selectable
with the side DIP SW
130
[5.12]
Conversion rate: Selectable with the side DIP SW
Burnout detection: Upscale or downscale selectable with the
side DIP SW
109
[4.29]
mm [inch]
Linearization: Standard
RUN indicator: Bi-color (red/green) LED;
Red when the bus A operates normally;
MODEL: R3-RS8[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-RS8[1][2]
Specify a code from below for each of [1] and [2].
(e.g. R3-RS8W/CE/Q)
Red with burnout; Green in normal operating conditions.
• Specify the specification for option code /Q
(e.g. /C01/SET)
INPUT SPECIFICATIONS
Maximum leadwire resistance: 100 Ω per wire
Sensing current: ≤ 1 mA
NO. OF CHANNELS
Temperature range
8: 8
°C
RTD
USABLE RANGE CONFORMANCE RANGE
Pt 100 (JIS ’97, IEC)
Pt 100 (JIS ’89)
-240 to +900
-240 to +900
-236 to +560
-200 to +850
-200 to +660
-200 to +510
[1] COMMUNICATION MODE
S: Single
JPt 100 (JIS ’89)
W: Dual
Pt 50Ω (JIS ’81)
Ni 100
-236 to +700
-100 to +252
-212 to +312
-100 to +200
-200 to +649
-80 to +250
-50 to +250
-50 to +150
Cu 10 @25°C
Cu 50
[2] OPTIONS (multiple selections)
Standards & Approvals
blank: Without CE
°F
USABLE RANGE CONFORMANCE RANGE
RTD
/CE: CE marking
Pt 100 (JIS ’97, IEC)
Pt 100 (JIS ’89)
-400 to +1652
-400 to +1652
-393 to +1040
-328 to +1562
-328 to +1220
-328 to +950
Other Options
JPt 100 (JIS ’89)
blank: none
Pt 50Ω (JIS ’81)
Ni 100
-393 to +1292
-148 to +486
-350 to +594
-148 to +392
-328 to +1200
-112 to +482
-58 to +482
-58 to +302
/Q: Option other than the above (specify the specification)
Cu 10 @25°C
Cu 50
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
Max. (upscale) or min. (downscale) value of the usable range when
a burnout is detected.
/C02: Polyurethane coating
/C03: Rubber coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
(No. ESU-8365)
R3-RS8 SPECIFICATIONS
ES-8365 Rev.10 Page 1/5
https://www.m-system.co.jp/