Cp-electronics MWS3A-PRM-2CH Manuel d'utilisateur

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Overview
The MWS3A-PRM-2CH Microwave presence detector
provides automatic control of lighting loads with optional
manual control. It 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 detector provides two independently controlled output
channels that can be used for a variety of applications.
Occupancy of two independent lighting circuits using a
single detector, e.g. for essential and non-essential
supplies.
Occupancy and lux control of one lighting circuit and just
occupancy control of a second circuit, e.g. where a row of
luminaries by a window is lux controlled whilst inner rows
are switched on occupancy only .
Occupancy and lux control of a lighting circuit and just
occupancy control of a ventilation circuit .
Occupancy on both lighting circuits, with separate lux
control on each circuit.
The unit has a unique adjustable sensor head that allows
the area of detection to be optimised for the application.
All functionality is fully programmable using an IR handset.
MWS3A-PRM-2CH Ceiling Microwave detector 2 channel
MWS3A-PRM-2CH-NC Ceiling Microwave detector 2 channel
normally closed
Features
Back features
Ceiling Microwave presence/absence detector 2 channel
MWS3A-PRM-2CH, MWS3A-PRM-2CH-NC
Product Guide
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
The LED flashes Red to indicate the following:
Channel 1 Connector
Live input and output for Channel 1. Switch input
connection that can be used to manually override the lights
on or off.
Channel 2 Connector
Live input and output for Channel 2. Common Neutral
connection.
Walk Test LED active
when movement is detected
Valid setting received
Retaining Spring
Retaining Spring
Channel 1
Connector
Channel 2
Connector
Front features
Sensor Lens
which covers...
Microwave Sensor
IR Receiver
Light Level Sensor
Status LEDs
Mounting Bezel
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Résumé du contenu

Page 1 - Product Guide

Overview The MWS3A-PRM-2CH Microwave presence detector provides automatic control of lighting loads with optional manual control. It detects movem

Page 2 - Sensor functionality

2 Detection diagram Detection Mode The Detection Mode can be set to behave in Presence or Absence mode:  Presence When movement is detected the lo

Page 3 - Power-up test procedure

3 Installation  To use absence detection a retractive (momentary) switch must be connected between the 2 terminals on the diagrams. Note that this

Page 4

4 The MWS3A-PRM-2CH is designed to be mounted using either:  Flush fixing, or  Surface fixing, using the optional Surface Mounting Box (part no.

Page 5 - Fault finding

5 Basic programming Parameter Name Default Value 0 1 2 3 UHS5 Handset Graphics Description Button Activation On On Turn ligh

Page 6 - Advanced programming

6 Advanced programming Parameter Name Default Value Range / Options Description UHS5 UNLCDHS Detector Parameters Walk Test LED Off On or O

Page 7

7 Advanced programming Switch Input Modes 1 position switch together Default Short press on Long press off A single position retractive switch cont

Page 8 - Technical data

8 Due to our policy of continual product improvement CP Electronics reserves the right to alter the specification of this product without prior noti

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