D12 AC-Coupled Series

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Uses & Applications

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Overview

  • AC-coupled fiber optic sensor for low-contrast application
  • 5-turn potentiometer for manual adjustment of sensitivity
  • 10 to 30V dc supply voltage with bipolar NPN or PNP outputs
  • Light-operate or dark-operate selectable
  • Fast 50 microsecond response
  • Automatic Gain Control (AGC) for continual gain control
  • Available in glass and plastic fiber optic models

Product Specifications

Supply Voltage and Current10 to 30V dc @ 60 mA max. (exclusive of load)
RangeRange varies by sensing mode and fiber optics used
Supply Protection CircuitryProtected against reverse polarity and transient voltage
Output ConfigurationBipolar:NPN (current sinking) or PNP (current sourcing)
Output Rating150 mA max. each output; total load may not exceed 150 mA OFF-state leakage current:less than 10 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; short-circuit protected
Output Response Time50 microseconds ON/OFF
Delay at Power-up0.1 second; outputs do not conduct during this time.
Output Operation ModeLight operate or dark operate; selected by switch
Output Timing FunctionPulse output; adjustable from 1 to 70 milliseconds
Repeatability15 microseconds ON
AdjustmentsAll models have a 15-turn sensitivity (Gain) control, clutched at both ends of travel; a light- or dark-operate select switch and an OUTPUT PULSE adjustment (3/4-turn potentiometer)
Indicators3 LED Indicators:Green, Yellow and Red
Green ON steady:power ON
Yellow ON steady:output conducting
Red ON steady:lights whenever AGC system is locked onto the signal
Mounting BracketD12 Sensors mount directly to a standard DIN rail, or may be through-hole mounted using the supplied mounting bracket and M3 x 0.5 hardware
ConstructionBlack ABS housing with acrylic cover, stainless-steel M3 x 0.5 hardware for use with thermoplastic polyester mounting bracket (supplied); the plastic fiber clamping element is Acetal
Environmental RatingIEC IP66; NEMA 4
ConnectionsPVC-jacketed 2 m or 9 m attached cables, or 150 mm pigtail with 4-pin Pico-style QD. QD cables are ordered separately.
Operating ConditionsTemperature:-40° to +70° C
Relative humidity:90% @ 50° C (non-condensing)

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