Banner QMT42 Series 400 mm Adjustable Field Sensors Manual de usuario descargar pdf (Pagina 3)

QMT42 Series 400 mm Adjustable Field Sensors

Banner Engineering Corporation page 3

Product Specifications

Sensing Beam

Adjustments All models have a 15-turn slotted brass cutoff distance adjustment potentiometer

(clutched at both ends of travel)

Supply Protection Circuitry Protected against reverse polarity and transient voltages

Output Configuration SPDT (complementary) solid-state dc switch; Choose NPN (current sinking) or PNP (current sourcing) models.

Light operate:

N.O. output conducts when the sensor sees its own (or the emitter's) modulated light

Dark operate:

N.C. output conducts when the sensor sees dark

Output Rating 100 mA maximum (each output)

Off-state leakage current: <5 microamps at 30V dc;

On-state saturation voltage: <1V at 10 mA dc; <1.5V at 100 mA dc

Output Protection Circuitry Protected against false pulse on power-up and continuous overload or short-circuit of outputs

Overload trip point ≥150mA, typical, at 20ºC

Output Response Time 1 millisecond on and off

NOTE: 100 millisecond delay on power-up; outputs are non-conducting during this time

Indicators Two LEDs: Green and Yellow

GREEN glowing steadily = power to sensor is "on"

GREEN flashing = output is overloaded

YELLOW glowing steadily = light is sensed; normally open output "on"

YELLOW flashing = marginal excess gain (1-1.5x) in light condition

Repeatability of Response 250 microseconds

Construction Housings are die-cast zinc alloy with black acrylic polyurethane finish; lenses are acrylic

Environmental Rating IP67; NEMA 6

Connections 2 m (6-1/2 ft) or 9 m (30-ft) attached cable, or 4-pin euro-style quick-disconnect fitting; Cables for QD

models are purchased separately

Operating Temperature -20º to +55ºC (-7º to 130ºF); Maximum relative humidity 90% at 50ºC (non-condensing)

Visible Red, 680 nm

Supply Voltage and Current 10 to 30V dc (10% maximum ripple) at less than 50 milliamps

Sensing Hysteresis Less than 7% of set cutoff distance

Certifications

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Banner QMT42 Series 400 mm Adjustable Field Sensors Manual de usuario Pagina 3