Banner U-Gage Ultrasonic Sensor Manual de usuario descargar pdf (Pagina 27)

SENSORS

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LIGHT GAUGING ULTRASONIC MEASURING ARRAYS RADAR

WORLD-BEAM

QS18U Speciﬁcations

Effective Beam

See Charts EBPC-1 and EBPC-2 on page 319.

Sensing Range

50 to 500 mm

Supply Voltage and Current

12 to 30V dc (10% max. ripple); 25 mA max. (exclusive of load)

Ultrasonic Frequency

300 kHz, rep. rate 7.5 milliseconds

Supply Protection Circuitry

Protected against reverse polarity and transient voltages

Output Protection

Protected against short circuit conditions

Delay at Power-Up

300 milliseconds

Output Conﬁgurations

Solid-state switch conducts when target is sensed within sensing window; one NPN (current sinking) or one PNP (current sourcing),

depending on model.

Temperature Effect

Non-encapsulated models: ± 0.05% per ° C from -20° to +50° C, ± 0.1% per ° C from +50° to +60° C

Encapsulated models: ± 0.05% per ° C from 0° to +60° C, ± 0.1% per ° C from -20° to 0° C

Repeatability

0.7 mm

Hysteresis

1.4 mm

Output Ratings

100 mA max. (see Application Note 1)

OFF-state leakage current: less than 10 µA (sourcing); less than 200 µA (sinking); See Application Note 2

NPN ON-state saturation voltage: less than 1.6V @ 100 mA

PNP ON-state saturation voltage: less than 2.0V @ 100 mA

Output Response Time

15 milliseconds

Minimum Window Size

5 mm

Adjustments

Sensing window limits: TEACH-Mode programming of near and far window limits may be set using the push button or remotely using

TEACH input.

Indicators

Range Indicator (Red/Green)

Green—Target is within sensing range

Red—Target is outside sensing range

OFF—Sensing power is OFF

TEACH/Output Indicator (Yellow/Red)

Yellow—Target is within taught limits

OFF—Target is outside taught window limits

Red—Sensor is in TEACH mode

Construction

Housing: ABS Push-Button Housing: ABS

Push Button: TPE Lightpipes: Polycarbonate

Environmental Rating

Leakproof design, rated IEC IP67 or IP68; NEMA 6P, depending on model; UL type 1

Connections

2 m or 9 m 4-conductor PVC jacketed attached cable, or 4-pin Euro-style integral QD (Q8), or 4-pin Pico-style integral QD (Q7), or 4-pin

Euro-style 150 mm pigtail QD (Q5), or 4-pin Pico-style 150 mm pigtail QD (Q), depending on model. See page 319.

Operating Conditions

Temperature: -20° to +60° C Relative humidity: 100% (non-condensing)

Vibration and

Mechanical Shock

All models meet Mil. Std. 202F requirements method 201A (vibration: 10 to 60 Hz max., double amplitude 0.06", maximum acceleration 10G).

Also meets IEC 947-5-2 requirements: 30G 11 milliseconds duration, half sine wave.

Temperature Warmup Drift

See data sheet

Application Notes

1. If supply voltage is > 24V dc, derate maximum output current 5 mA/°C above 50°C.

2. NPN OFF-state leakage current is < 200 μA for load resistances > 3 kΩ or optically isolated loads.

For load current of 100 mA, leakage is < 1% of load current.

3. Objects passing inside the specied near limit may produce a false response.

Certiﬁcations

Hookup Diagrams

MI13 (p. 761)

Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com

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