T18 DC Series

Photoelectric Sensor Selection Guide
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Overview

  • Specially designed EZ-BEAM style optics and electronics for reliable sensing without adjustments on most models
  • 10 to 30V dc with NPN or PNP outputs
  • T-style plastic housing with 18 mm threaded lens
  • Available in opposed, polarized and non-polarized retroreflective, diffuse and fixed-field sensing modes
  • Marginal gain indicator with alarm output
  • Dual-LED multi-function indicators for monitoring sensor performance

Product Specifications

Supply Voltage and Current10 to 30V dc (10% max. ripple) Opposed Emitters:25 mA (exclusive of load)
Opposed Receivers:20 mA (exclusive of load)
Polarized Retroreflective:30 mA (exclusive of load)
Non-polarized Retroreflective:25 mA (exclusive of load)
Diffuse:25 mA (exclusive of load)
Fixed-field:35 mA (exclusive of load)
RangeOpposed:20 m
Non-polarized Retroreflective:2 m, range is specified using one model BRT-3 retroreflector
Polarized Retroreflective:2 m, range is specified using one model BRT-3 retroreflector
Diffuse:500 mm
Fixed-field:0-25, 0-50 or 0-100 mm cutoff, depending on model
Supply Protection CircuitryProtected against reverse polarity and transient voltages
Output ConfigurationSolid-state complementary (SPDT) dc switch:NPN (current sinking) or PNP (current sourcing), depending on model. The dark operate (DO) output may be wired as a normally open marginal signal alarm output, depending upon hookup to the power supply.
Output Rating150 mA max. (each) in standard hookup. When wired for alarm output, the total load may not exceed 150 mA OFF-state leakage current::less than 1 µA @ 30V dc
ON-state saturation voltage:less than 1V @ 10 mA dc; less than 1.5V @ 150 mA dc
Output Protection CircuitryProtected against false pulse on power-up and continuous overload or short circuit of outputs
Output Response TimeResponse time is independent of signal strength. Opposed:3 milliseconds ON; 1.5 milliseconds OFF
Polarized Retroreflective, Non-polarized Retroreflective, Diffuse and Fixed-field:3 milliseconds ON/OFF
AdjustmentsInfrared non-polarized retroreflective and diffuse models have a single-turn rear-panel SENSITIVITY control for adjustment of system gain (turn clockwise to increase)
Delay at Power-up100 milliseconds; outputs do not conduct during this time.
RepeatabilityRepeatability is independent of signal strength. Opposed:375 microseconds
Polarized Retroreflective, Non-polarized Retroreflective, Diffuse and Fixed-field:750 microseconds
Indicators2 LED Indicators:Green and Yellow
Green ON steady:power to sensor is ON
Green flashing:output is overloaded
Yellow ON steady:light-operate (LO) output is energized
Yellow flashing:marginal excess gain (1-1.5x) in light condition, LO output is energized
ConstructionThermoplastic polyester housing with polycarbonate or acrylic lenses. One jam nut is included with each sensor.
Environmental RatingLeakproof design rated NEMA 6P, IP67. QD models rated IP69K per DIN 40050-9.
Connections2 m or 9 m attached cable, or 4-pin Euro-style quick-disconnect fitting. QD cables are ordered separately.
Operating ConditionsTemperature:-40° to +70° C
Relative humidity:90% @ 50° C (non-condensing)
Vibration and Mechanical ShockAll models meet Mil. Std. 202F requirements. Method 201A (Vibration; frequency 10 to 60 Hz, max., double amplitude 0.06-inch acceleration 10G). Method 213B conditions H&I (Shock: 75G with unit operating; 100G for non-operation)

English

Data Sheets

Document Name Part Number File Size Action
1. T18 Series, dc models 121526 1.2MB Download

Installation Guides

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1. T18 Series, dc models 116163 434K Download

French

Installation Guides

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1. T18 Series - Multilingual 52998 488K Download

German

Installation Guides

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1. T18 Series - Multilingual 52998 488K Download

Italian

Installation Guides

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1. T18 Series - Multilingual 52998 488K Download

Japanese

Installation Guides

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1. T18 Series - Multilingual 52998 488K Download

Spanish

Installation Guides

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1. T18 Series - Multilingual 52998 488K Download

United Kingdom

Installation Guides

Document Name Part Number File Size Action
1. T18 Series - Multilingual 52998 488K Download

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