BLC MSYSTEM | Alldatasheet

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Technical content

MODEL: BLC BLC SPECIFICATIONS ES-3135 Rev.7 Page 1/2 http://www.m-system.co.jp/ Space-saving Two-wire Signal Conditioners B-UNIT STRAIN GAUGE TRANSMITTER Functions & Features

  • Used in conjunction with bridge type strain gauges utilized in load cells, pressure transducers, etc.
  • Supplying the required excitation voltage and providing appropriate DC output signal
  • Excitation in pulses enables use with strain gauges of the bridge resistance 350 Ω
  • Monitor terminals provided
  • High-density mounting Typical Applications
  • Weighing system for tanks, hoppers, silos
  • Weighing system using cranes
  • Float level meter utilizing strain gauges 26 (1.02) (3.66) mm (inch) 137 (5.39) MODEL: BLC–[1][2]

ORDERING INFORMATION

  • Code number: BLC-[1][2] Specify a code from below for each of [1] and [2]. (e.g. BLC-2/Q)
  • Specify the specification for option code /Q (e.g. /C01/S01) [1] INPUT STRAIN GAUGE 2: 2 mV/V 0: Specify [2] OPTIONS blank: none /Q: With options (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) Zero adjustment: 0 – 80 % (front) Span adjustment: 100 – 20 % (front) INPUT SPECIFICATIONS Input: Bridge voltage from load cells Rated output from strain gauge: 2 mV/V Nominal bridge resistance: 350 Ω minimum Excitation: 5 V voltage pulse OUTPUT SPECIFICATIONS Output: 4 – 20 mA DC Load resistance vs. supply voltage: Load Resistance (Ω) = (Supply Voltage (V) – 13 (V)) ÷ 0.02 (A) (including leadwire resistance) 10 15 20 25 28 13 150 300 450 600 750 LOAD RESISTANCE [ Ω] SUPPLY VOLTAGE [V] (550Ω maximum at 24V DC) INSTALLATION Supply voltage: 13 – 28 V DC Operating temperature: -5 to +60°C (23 to 140°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: ±0.2 % Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) Response time: ≤ 0.5 sec. (0 – 90 %)

MODEL: BLC BLC SPECIFICATIONS ES-3135 Rev.7 Page 2/2 http://www.m-system.co.jp/ EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS 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) SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Base Socket mA MONITOR Z Deviation Amplifier Excitation Generator S Output Driver+ STRAIN GAUGE + LOADOUTPUT 24V DC 4 – 20mA DC Specifications are subject to change without notice.