M8RS-166-R/BL

M8RS MSYSTEM | Alldatasheet

Document overview

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Technical content

MODEL: M8RS M8RS SPECIFICATIONS ES-5463 Rev.7 Page 1/2 http://www.m-system.co.jp/ Dual Output Super-mini Signal Conditioners Pico-M Series RTD CONVERTER Functions & Features

• Accepting direct input from an RTD and providing two isolated process signals
• Linearization
• Burnout protection
• "Active bridge" circuit containing two constant current sources allows large leadwire resistances up to 200 Ω
• Space-saving, easy-to-maintain, multi-channel installation base MODEL: M8RS-[1][2]-R[3]

ORDERING INFORMATION

• Code number: M8RS-[1][2]-R[3] Specify a code from below for each of [1] through [3]. (e.g. M8RS-46A-R/BL/Q)
• Temperature range (e.g. 0 – 500°C)
• Specify the specification for option code /Q (e.g. /C01 /V01) [1] INPUT RTD (2- or 3-wire) 1: JPt 100 (JIS'89) (Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F) 3: Pt 100 (JIS'89) (Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F) 4: Pt 100 (JIS'97, IEC) (Usable range: -200 to +850°C, -328 to +1562°F; min.span: 50°C, 90°F) 5: Pt 50 Ω (JIS'81) (Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F) 6: Ni 508.4 Ω (Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F) 0: Specify Note: Consult M-System for 2-wire RTD [2] OUTPUT 1 / OUTPUT 2 6A: 1 – 5 V DC (Load resistance 2500 Ω min.) / 4 – 20 mA DC (Load resistance 300 Ω max.) 44: 0 – 10 V DC (Load Resistance 5000 Ω min.) / 0 – 10 V DC (Load Resistance 5000 Ω min.) 55: 0 – 5 V DC (Load resistance 2500 Ω min.) / 0 – 5 V DC (Load resistance 2500 Ω min.) 66: 1 – 5 V DC (Load resistance 2500 Ω min.) / 1 – 5 V DC (Load resistance 2500 Ω min.) POWER INPUT DC Power R: 24 V DC (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) [3] OPTIONS (multiple selections) Burnout blank: Upscale burnout /BL: Downscale burnout 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 ADJUSTMENT /V01: Multi-turn fine adjustment

RELATED PRODUCTS

• Installation Base or Single Mount Base Socket (model: M8BSx) This unit must be mounted on dedicated base or socket. GENERAL SPECIFICATIONS Construction: Plug-in Mounting screw: M3 screw (torque 0.3 N·m) Housing material: Flame-resistant resin (black) Power supply: Via the Installation Base terminals (model: M8BSx) Isolation: Input to output 1 to output 2 to power Zero adjustment: -2 to +2 % (front) Span adjustment: 98 to 102 % (front) At burnout: Downscale ≤ -10 %, Upscale ≥ 110 % Linearization: Standard INPUT SPECIFICATIONS Maximum leadwire resistance: 200 Ω per wire (3-wire) Sensing current: 2 mA (Pt); 1 mA (Ni 508.4 Ω)

MODEL: M8RS M8RS SPECIFICATIONS ES-5463 Rev.7 Page 2/2 http://www.m-system.co.jp/ INSTALLATION Current consumption: Approx. 30 mA (50 mA for current output) Operating temperature: 0 to 55°C (32 to 131°F) Operating humidity: 30 to 95 %RH (non-condensing) Mounting: Installation Base (model: M8BSx) Weight: 70 g (2.5 oz) PERFORMANCE in percentage of span Accuracy: ±0.2 % Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) Response time: ≤ 0.2 sec. (0 – 90 %) Burnout response: ≤ 10 sec. Line voltage effect: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength:

1500 V AC @1 minute (input to output 1 or output 2 or

power to ground)

500 V AC @1 minute (output 1 to output 2 to power)

SWC test: ANSI/IEEE-C37.90.1-1989 EXTERNAL DIMENSIONS unit: mm (inch) I/O PINS 17.5(.69) 48 (1.89) 75 (2.95) 83 (3.27) SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Isolation Installation Base Voltage Amplifier OUTPUT 1 OUTPUT 2 SZ1 D A B C POWER Output Driver Output Driver A B B RTD Burnout Linearizer Constant Curr.Constant Curr. Diff. Amplifier Ref. Resistor Specifications are subject to change without notice.