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Q45U Switch
Q45U Analog
Q45UR Switch
Q45UR Analog





Ultrasonic Sensors type Q45U

Analogue Output (current and voltage)

• Sonic cone angle of
         15° (long range)
         12° (short range)
• Plastic housing
• Cable, 2 m
• Connector

General data
Supply voltage UB 12...24 VDC
Output rating 4...20 mA or
– Load resistance < 500 Ω
(acc. to configuration) 0...10 V
– Load resistance > 1 kΩ
No-load current I0 ≤ 100 mA
Voltage drop Ud < 2 V
Full reverse polarity protection
Wire-breakage protected
Linearity tolerance 1 % o.f.v.
Temperature drift
– compensation 0...50 °C 0,05%/K
– compensation -25...+70 °C 0,13%/K
Degree of protection IP67
Temperature range -25...+70 °C
Via teach-in function (push button
or remote input):
– measuring range
Via DIP-switches:
– characteristic curve
– current/voltage output
– loss off echo mode
Via rotary switch:
– response time

Sensor housing PBT thermoplastic polyester
Cover (transparent) LEXAN® (PC)

Dimensional Drawings



Housing Q45U

Characteristic Curve:

Wiring Diagram

5 = Remote teach
(Connecting to "+" corresponds to P/B operation)

Indication LEDs

Green = Power ON
Yellow = Object within Range
Green Flashing = load resistance too high (current output)
or too low (voltage output)
Red Flashing = Object Detected (Flash Rate proportional to signal)