T18 DC Series
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 Current | 10 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) |
|---|---|
| Range | Opposed: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 Circuitry | Protected against reverse polarity and transient voltages |
| Output Configuration | Solid-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 Rating | 150 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 Circuitry | Protected against false pulse on power-up and continuous overload or short circuit of outputs |
| Output Response Time | Response 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 |
| Adjustments | Infrared 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-up | 100 milliseconds; outputs do not conduct during this time. |
| Repeatability | Repeatability is independent of signal strength.
Opposed:375 microseconds Polarized Retroreflective, Non-polarized Retroreflective, Diffuse and Fixed-field:750 microseconds |
| Indicators | 2 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
|
| Construction | Thermoplastic polyester housing with polycarbonate or acrylic lenses. One jam nut is included with each sensor. |
| Environmental Rating | Leakproof design rated NEMA 6P; DIN 40050 (IP69K) |
| Connections | 2 m or 9 m attached cable, or 4-pin Euro-style quick-disconnect fitting. QD cables are ordered separately. |
| Operating Conditions | Temperature:-40° to +70° C Relative humidity:90% @ 50° C (non-condensing) |
| Vibration and Mechanical Shock | All 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) |
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