QS18UPA datasheet(7/10 Pages) ETC2

7 / 10 page

Specifications

Supply Voltage

12 - 30V dc (10% maximum ripple); 25 mA max (exclu-

sive of load)

Supply Protection Circuitry

Protected against reverse polarity and transient voltag-

Output Configuration

SPST solid-state switch conducts when target is

sensed within sensing window; one NPN (current sink-

ing) or one PNP (current sourcing), depending on mod-

el.

Rating: 100 mA maximum load; see Application Note 1

Off-state leakage current: less than 10 µA (sourcing);

less than 200 µA (sinking); see Application Note 2

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

100 mA; PNP: less than 3.0V @ 100 mA

Output Response

NOTE: 300 ms delay on power-up; output does not

conduct during this time

15 milliseconds

Repeatability

0.7 mm

Indicators

Range Indicator (Red/Green) and Teach/Output In-

dicator (Yellow/Red)

Range Indicator: Green - Target is within sensing

range; Red - Target is outside sensing range; OFF -

Sensing Power is OFF

Teach/Output Indicator: Yellow - Target is within

taught limits; OFF - Target is outside taught window

limits; Red - Sensor is in TEACH mode

Adjustments

Sensing Window Limits: TEACH-mode programming of

near and far window limits may be set using the push

button or remotely via TEACH input

Construction

ABS housing, TPE Push Button, ABS Push Button

housing, Polycarbonate lightpipes, leakproof design

Connections

2 m (6.5 ft) or 9 m (30 ft) 4-conductor PVC jacketed at-

tached cable, or 4-pin Euro-style integral QD (Q8), or

4-pin Pico-style integral QD (Q7), or 4-pin Euro-style

150 mm (6 in) pigtail QD (Q5), or 4-pin Pico-style 150

mm (6 in) pigtail QD (Q)

Operating Conditions

Relative Humidity: 100% @ 55° C (non-condensing)

Temperature: − 20° to + 60° C (− 4° to + 140° F)

Application Notes

If supply voltage is > 24V dc, derate maximum output

current 5 mA/°C above 50°C.

NPN off-state leakage current is < 200 µA for load re-

sistances > 3 kΩ or optically isolated loads. For load

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

Objects passing inside the specified near limit may pro-

duce a false response.

Certifications

Sensor Response Curves

QS18U Effective Beam Pattern (Typical)

QS18U Maximum Target Rotation Angle

-20

-10

-30

-40

-50

200

100

300

400

500

Sensing Distance (mm)

2.5 mm rod

8 mm rod

50 mm x 50 mm plate

Sensing Distance (mm)

-5°

-10°

-15°

5°

10°

15°

100

200

300

400

500

Dimensions

WORLD-BEAM QS18U Ultrasonic Sensors

P/N 119287 Rev. F

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