Radar sensor RMS-2 (M12)
Radar sensor RMS-2 (M12). With adjustable sensitivity, is a motion detector. Unlike other sensors, the RMS-2 distinguishes between approaching and departing objects.

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Radar sensor RMS-2 (M12)
The RMS-2 (M12) radar sensor with adjustable sensitivity is a motion detector. Unlike other sensors, the RMS-2 distinguishes between approaching and departing objects. This information is made available to the user via two separate switching outputs. The sensitivity of the device can be configured in four steps via an internal jumper strip. The RMS-2 (M12) is connected via a standard industrial connector.
Use on escalators and moving walks
Radar sensors from RLS Wacon detect approaching passengers on escalators and moving walks and act as direction-dependent motion detectors for the automatic activation (return to readiness) of the unit. The escalator starts as passengers approach and switches to stand-by during traffic pauses – saving energy and reducing wear. Compared with pyroelectric detectors, radar technology works in a direction-dependent manner and is less sensitive to environmental influences.
Features
- easy adjustment of sensitivity on site
- adjustable switching time for object detection
- insensitive to lateral movements
- selection of the detection range through horizontal or vertical mounting
- low power consumption
- concealed installation possible
- maintenance-free
- easy installation
- access and entry control
- gate control
- person and object detection
- direction-sensitive motion detection
Areas of application
Field of use
The radar motion detector is used to detect approaching persons or objects – for example for motion-dependent release or start-up of escalators and moving walks as well as for access control, gate control and object detection.
Operating principle
The sensor uses radar technology (microwave) and detects approaching objects within a detection range of approx. 0.5 to 5 m. The switching function can be evaluated depending on the direction of movement. Radar is insensitive to dirt and lateral movements; concealed installation behind plastic covers is possible. The sensor is waterproof up to IP68 and maintenance-free.
Installation & adjustment
- Mount the sensor directly at the point of use (concealed installation possible).
- Select the measuring range by horizontal or vertical mounting.
- Adjust the sensitivity precisely on the sensor; if necessary, set the switching time after object detection.
- Wire the connection according to the pin assignment (see Technical data).
Maintenance
- The radar sensor is maintenance-free.
- If necessary, visually check the fit and connection.
Important notes
- Sensitivity and switching time can be adjusted on site.
- The detection range varies with the size, shape and speed of the objects.
- Connect only when de-energised.
Technical data
| Pin M12 | Signal |
|---|---|
| 1 | 10 … 30 V DC |
| 2 | approaching |
| 3 | Ground |
| 4 | departing |
Additional information
Flyer
Operating instructions
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