M8LCS MSYSTEM | Alldatasheet

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MODEL: M8LCS M8LCS SPECIFICATIONS ES-5466 Rev.3 Page 1/3 http://www.m-system.co.jp/ Dual Output Super-mini Signal Conditioners Pico-M Series STRAIN GAUGE CONVERTER Functions & Features

  • Provides two DC output signals proportional to a bridge type strain gauge utilized in load cells, pressure transducers
  • Supplies required excitation voltage
  • Drives strain gauges of various bridge resistance and rated output voltage
  • Excitation selectable among 2.5 V, 5 V or 10 V
  • Wide-range adjustment: 0 – 60 % for zero, 40 – 100 % for span
  • Space-saving, easy-to-maintain, multi-channel installation base MODEL: M8LCS-[1][2][3]-R

ORDERING INFORMATION

  • Code number: M8LCS-[1][2][3]-R Specify a code from below for each of [1] through [3]. (e.g. M8LCS-226A-R)
  • Special input strain gauge range (For code 0)
  • Special excitation range (For code 0) [1] INPUT STRAIN GAUGE 1: 1 mV/V 12: 1.25 mV/V 15: 1.5 mV/V 2: 2 mV/V 3: 3 mV/V 4: 4 mV/V 5: 5 mV/V 6: 10 mV/V 7: 20 mV/V 0: Specify (See INPUT SPECIFICATIONS) [2] EXCITATION 1: 2.5 V 2: 5 V 3: 10 V 0: Specify (See INPUT SPECIFICATIONS) [3] 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.)

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: 0 – 60 % (front) Span adjustment: 100 – 40 % (front) INPUT SPECIFICATIONS ■ Input: Bridge voltage from load cells Permissible leadwire resistance: Strain Gauge Composite Resistance × 0.25
  • Strain Gauge Rated output from strain gauge: 1 – 20 mV/V; M8LCS input voltage -100 –+100 mV; Input to the M8LCS must be over 5 mV. (The input must be over 10 mV when Code 0 is selected for the strain gauge and/or the excitation.)
  • Excitation: 2 – 10 V Maximum current: 45 mA INSTALLATION Current consumption: Approx. 60 mA (80 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)

MODEL: M8LCS M8LCS SPECIFICATIONS ES-5466 Rev.3 Page 2/3 http://www.m-system.co.jp/ PERFORMANCE in percentage of span Accuracy: ±0.1 % (input ≥ 5 mV) Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) (input ≥ 5 mV) Response time: ≤ 0.2 sec. (0 – 90 %) 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 FRONT VIEW Span adjustment (sensitivity adjustment) 40 – 100 % of input span Zero adjustment (tare adjustment) 0 – 60 % of input span Span Adj. Zero Adj. 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 Low Drift Amplifier OUTPUT 1 OUTPUT 2 SZ D A B C POWER Output Driver Output Driver Low Drift DC Volt. Stabilizer STRAIN GAUGE INPUT EXC

MODEL: M8LCS M8LCS SPECIFICATIONS ES-5466 Rev.3 Page 3/3 http://www.m-system.co.jp/ Specifications are subject to change without notice.