BTS MSYSTEM | Alldatasheet

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Technical content

MODEL: BTS BTS SPECIFICATIONS ES-3112 Rev.5 Page 1/3 http://www.m-system.co.jp/ Space-saving Two-wire Signal Conditioners B-UNIT THERMOCOUPLE TRANSMITTER (isolated) Functions & Features

  • Accepting direct input from a thermocouple and providing a standard 4 – 20 mA DC signal
  • Linearization
  • Burnout protection
  • High-accuracy cold junction compensation
  • Monitor terminals
  • High-density mounting Typical Applications
  • High-accuracy cold junction compensation benefits narrow span measurements
  • 0.1 μA burnout sensing enables long distance transmission with minimum offset drifts
  • Electric furnace (isolation) 26 (1.02) (3.66) mm (inch) 137 (5.39) MODEL: BTS–[1][2]

ORDERING INFORMATION

  • Code number: BTS-[1][2] Specify a code from below for each of [1] and [2]. (e.g. BTS-2/BL/Q)
  • Temperature range (e.g. 0 – 800°C)
  • Specify the specification for option code /Q (e.g. /C01/S01) [1] INPUT THERMOCOUPLE 1: (PR) (Usable Range 0 to 1760°C, 32 to 3200°F) 2: K (CA) (Usable range -270 to +1370°C, -454 to +2498°F) 3: E (CRC) (Usable range -270 to +1000°C, -454 to +1832°F) 4: J (IC) (Usable range -210 to +1200°C, -346 to +2192°F) 5: T (CC) (Usable range -270 to +400°C, -454 to +752°F) 6: B (RH) (Usable range 0 to 1820°C, 32 to 3308°F) 7: R (Usable range -50 to +1760°C, -58 to +3200°F) 8: S (Usable range -50 to +1760°C, -58 to +3200°F) 0: Specify [2] 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 TERMINAL SCREW MATERIAL /S01: Stainless steel GENERAL SPECIFICATIONS Construction: Plug-in Connection: M3.5 screw terminals (torque 0.8 N·m) Screw terminal: Nickel-plated steel (standard) or stainless steel Housing material: Flame-resistant resin (black) Isolation: Input to output Zero adjustment: -1.5 to +10 % (front) Span adjustment: 95 to 105 % (front) Linearization: Standard Cold junction compensation: CJC sensor attached to the input terminals INPUT SPECIFICATIONS Minimum span: 3 mV Offset: Max. 1.5 times span Input resistance: 20 kΩ minimum Burnout sensing: 0.1 μA Minimum span (in °C) (PR): 370°C K (CA): 75°C E (CRC): 50°C J (IC): 60°C T (CC): 75°C B (RH): 780°C R: 360°C S: 380°C Minimum span (in °F) (PR): 670°F K (CA): 140°F E (CRC): 90°F J (IC): 110°F T (CC): 140°F

MODEL: BTS BTS SPECIFICATIONS ES-3112 Rev.5 Page 2/3 http://www.m-system.co.jp/ B (RH): 1410°F R: 650°F S: 690°F Note: For the temperatures that range below 0°C, the transmitter may partially not satisfy the described accuracy. Consult factory. OUTPUT SPECIFICATIONS Output: 4 – 20 mA DC Load resistance vs. supply voltage: Load Resistance (Ω) = (Supply Voltage (V) – 14 (V)) ÷ 0.02 (A) (including leadwire resistance) 0 10 20 30 40 50 60 0.0 0.5 1.0 1.5 2.0 2.5 SUPPLY VOLTAGE [V] (500Ω maximum at 24V DC) LOAD RESISTANCE [k Ω] 2.3 INSTALLATION Supply voltage: 14 – 60 V DC Operating temperature: -5 to +55°C (23 to 131°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Surface or DIN rail; Standard Rack Mounting Frame BX-16H available Weight: 150 g (0.33 lb) PERFORMANCE in percentage of span Accuracy: ±0.4 % (at over 400°C or 750°F for R, S and PR; over 770°C or 1420°F for B) Cold junction compensation error (at 25°C ±10°C or 77°F ±18°F) K, E, J & T: ±0.5°C or ±0.9°F S, R & PR: ±1°C or ±1.8°F Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) (at over 400°C or 750°F for R, S and PR; over 770°C or 1420°F for B) Response time: ≤ 0.5 sec. (0 – 90 %) Burnout response: ≤ 10 sec. Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 500 V AC @ 1 minute (input to output)

1500 V AC @ 1 minute

(input or output to ground)

MODEL: BTS BTS SPECIFICATIONS ES-3112 Rev.5 Page 3/3 http://www.m-system.co.jp/ EXTERNAL DIMENSIONS unit: mm (inch) 1 2 3 4 3 (.12) 2 (.08) 93 (3.66) (.59) 2–4.5 (.18) HOLE 15 (.59) deep DIN RAIL 35mm wide [3.3 (.13)] 8–M3.5 SCREW 93 (3.66) CLAMP (top & bottom) 137 (5.39) 80 (3.15)

  • When mounting, no extra space is needed between units. 7.8 (.31) TERMINAL ASSIGNMENTS unit: mm (inch) 14 (.55) CJC SENSOR (model: CJM) 1 2 red black SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Isolation Base Socket SZ Low Drift Amplifier Burnout Output Driver T / C CJC SENSOR metal leg model: CJM comp. leadwire Linearizer red black Cold Junction Compensation LOAD OUTPUT 24V DC 4 – 20mA DC *Deleted with B thermocouple Specifications are subject to change without notice.