GMZ-E Operating manual Page 16 of 31 B0668
4.5.1 Ultrasonic with one analogue output (A)
Product description:
The Ultrasonic Sensors with one analogue output measurers the distance to an object, within
the detection zone contactless. A signal proportional to distance is created according to the
adjusted window margings of the analogue characteristic curve. The sensors automatically
detects the load put to the analogue output and switches to current output or voltage output
respectively. Light emitting diodes (three-colour LEDs) indicate all operation conditions. The
Ultrasonic Sensors indicate a blind zone, in which the distance cannot be measured.
Technical data:
Current output: 4 ... 20 mA
RL ≤100 Ω at 9 V ≤UB ≤20 V
RL ≤500 Ω at UB ≥20 V
Voltage output: 0 ... 10 V
RL ≥100 kΩ at UB ≥15 V
short-circuit-proof
Measuring range from bottom edge of drum lid:
200 mm ≙ 20 mA
810 mm ≙ 4 mA
Connection diagram:
Colour
1 brown
2 white
4 black
5 grey
3 blue
Pin assignment with view onto sensor plug and colour coding of the connection cable
Assembly instructions
Assemble the sensor at the installation location.
Plug in the connector cable to the M12x1 connector.
Start-up
Ultrasonic sensors are delivered factory made with the following settings:
Falling analogue characteristic
Window margins for the analogue output set to 200/810 mm
Note
The Ultrasonic sensor has internal temperature compensation. Because the sensor heat up on
their own, the temperature compensation reaches its optimum working point after approx. 30
minutes of operation.
If an object is within the set window margins of the analogue output, then LED D1 lights up
green, if the object is outside the window margins, then LED D1 lights up red.
The load put to the analogue output is detected automatically when turning supply voltage on.
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