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LEGRAND CP Electronics MWS6SM-PRM Product Manual

LEGRAND CP Electronics MWS6SM-PRM Product Manual

Ceiling microwave presence/absence detector

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MWS6SM-PRM
Ceiling microwave presence/absence detector
Front features
Back features
Power Input
& Switched
Output
connections
Power Input
& Switched
Output Connector
Product Guide
The MWS6SM-PRM microwave (passive infrared)
presence detector provides automatic control of lighting
loads with optional manual control. The MWS6SM-PRM
detects movement using a highly sensitive microwave
detector. This works by emitting low power microwave
signals and measuring the reflections as the signals
bounce off moving objects.
The output channel comprises a mains voltage relay
capable of simple on/off switching.
Functioning as a presence detector, the unit can turn lights
on when a room is occupied and off when the room is
empty. Optional settings allow lights to be turned off in
response to ambient daylight.
All functionality is fully programmable using an IR handset.
Microwave Sensor
Detects movement within the unit's detection range,
allowing load control in response to changes in occupancy.
IR Receiver
Receives control and programming commands from an
IR (infrared) handset.
Light Level Sensor
Measures the overall light level in the detection area
Status LEDs
Sensor Lens
which covers...
The LED flashes Red to indicate the following:
Microwave Sensor
Walk Test LED active
IR Receiver
Light Level Sensor
Valid setting received
Status LEDs
Power Input & Switched Output Connector
Used to connect mains power to the unit and to connect a
switched load.
Switch Input Connector
Two input terminals can be used to manually override the
lights on or off.
Switch Input
Connector
Overview
Features
when movement is detected

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Summary of Contents for LEGRAND CP Electronics MWS6SM-PRM

  • Page 1 Product Guide MWS6SM-PRM Ceiling microwave presence/absence detector Overview The MWS6SM-PRM microwave (passive infrared) presence detector provides automatic control of lighting loads with optional manual control. The MWS6SM-PRM detects movement using a highly sensitive microwave detector. This works by emitting low power microwave signals and measuring the reflections as the signals bounce off moving objects.
  • Page 2: Sensor Functionality

    Detection diagram Area of high sensitivity Area of lower sensitivity Sensor functionality Detection Mode The Detection Mode can be set to behave in Presence or Absence mode:  Presence When movement is detected the load will automatically turn on. When the area is no longer occupied the load will automatically switch off after an adjustable time period.
  • Page 3: Installation

    Installation Choosing a Suitable Location The MWS6SM-PRM is designed to be ceiling mounted and must satisfy the following criteria:  Avoid positioning the unit where direct sunlight may enter the sensor element.  Do not site the sensor within 1m of any lighting, forced air heating or ventilation. ...
  • Page 4 Installation Choosing a suitable location The MWS6SM-PRM is designed to be ceiling mounted and must satisfy the following criteria:  The sensor should be sited so that the occupants of the room fall inside the detection pattern overleaf, at a recommended height of 2.8m on the ceiling.
  • Page 5: Basic Programming

    Basic programming The functionality of the MWS6SM-PRM is controlled by a number of parameters which can be changed or programmed by any of the following devices:  UHS5 Infrared Handset. See below for programmable functions.  UNLCDHS Infrared Handset (with LCD). See user guide for full programming details. For most basic programming operations the UHS5 handset can be used and the following procedures are based on using this device.
  • Page 6: Advanced Programming

    Advanced programming UHS5 UNLCDHS Parameter Name Default Value Range / Options Description Detector Parameters Walk Test LED On or Off When set to On this causes a red LED to flash on the sensor when it detects   movement. Use this feature to check for adequate sensitivity levels. Time Out 20 minutes 0-99 minutes...
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  • Page 8: Technical Data

    Technical data Dimensions See diagrams opposite MWS6SM-PRM Weight 0.15kg Supply Voltage 230VAC +/- 10% Frequency 50Hz Maximum Load 10A of lighting and/or ventilation including incandescent, fluorescent, compact fluorescent, low voltage (by switching the primary of transformer). Power consumption On 825mW, Off 683mW Terminal Capacity 2.5mm Temperature...