LMS-4

LMS-4

LMS-4

Product catalog summary
Overview: The document provides technical specifications and features of the LMS-4 Light Sensor, highlighting its compact design, built-in amplifier, and wide application range.
Specifications:
  • Supply Voltage: DC 5V±10%
  • Supply Current: 20mA at 5V
  • Load Voltage: Max. 24V
  • Load Current: Max. 80mA
  • Output Style: Open collector, output is ON when light is shielded
  • Size of Light Shielding Object: Minimum φ1mm
  • Working Light: Infrared LED, direct current lighting
  • Ambient Temperature: -10 to 70℃
  • Ambient Humidity: Under 80% RH without waterdrops
Features:
  • Built-in amplifier within a miniature body size of 6(W)×14(H)×25(L) mm.
  • 14mm slit for easy setup of the light shielding object.
  • Infrared LED and photo-transistor enable detection over a wide application range, including thin white paper.
  • High amplification with a maximum output current of 80mA, capable of driving a relay directly.
Design and Circuit:
  • Non-inductive and inductive load circuits are provided.
  • Protection diode (D) is included in the circuit design.
  • For supply voltage over 5V, an external resistor (R) is required as per the provided chart.
Performance:
  • Response Speed: TON ≤ 20μsec, TOFF ≤ 50μsec, tr ≤ 5μsec, tf ≤ 5μsec.
  • Characteristic curves illustrate the relationship between supply voltage, supply current, and external resistor requirements.
Ordering Information: The document includes an ordering code for the LMS-4 model.
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Catalog excerpts

LMS-4-1

Even it’s Mini body and low cost type, can detect wide application range, like thin white paper. Built-in Amplifier inside the miniature body size. 6(W)×14(H)×25(L) 14mm slit makes easy set of the Light Shielding Object. Infrared LED for Projecting set and Photo-transistor for Receiving set enable to detect wide application range. Easy to dust, as set a filter to Projecting/Receiving surface. Having high amplification built-in Amp., Ic max=80 mA (Ta=25℃) output current, and can drive Relay directly. SPECIFICATION Supply Voltage Supply Current Load Voltage Load Current Output Style Output is ON when shield the Light Min. φ1mm Size of Light Shielding Object Infrared LED, direct current lighting Working Light Ambient Temperature Under 80%RH(without waterdrops on Projecting/Receiving surface) Ambient Humidity CIRCUIT ●Inductive load circuit Optical axis ●Non-inductive load circuit

 Open the catalog to page 1
LMS-4-2

Note: In case of your use with supply voltage more than 5V,    please connect external resistor R by the right chart. CHARACTERISTIC CURVE(EXAMPLE) ●Supply Voltage−Supply Current Response Speed:  TON=Less 20μsec  TOFF=Less 50μsec ※Input is switched outside. Supply voltage Vcc(V) ●Detective Position

 Open the catalog to page 2
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