PIR occupancy switches with daylight linked dimming

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CESR PIR DALI Installation Guide

CESRA PIR DALI Installation Guide

Ceiling surface-mounted PIR occupancy switches with closed loop control for DALI ballasts

CESR PIR DALI and CESRA PIR DALI can be used to control up to 20 high frequency DALI dimmable ballasts (broadcast). They incorporate a passive infra-red quad sensor to detect movement of a warm body within its detection zone and a photocell to monitor the ambient light level. These products are hard wired and can be mounted directly onto solid ceilings or onto a range of different mounting boxes.

Product code: CESR PIR DALI and CESRA PIR DALI

 

CESR PIR DALI (Presence detection)

CESR PIR DALI operates by Presence Detection. The PIR switch will automatically switch the lights ON when a person enters the room. It will automatically switch the load OFF or to its reduced lux level (minimum) when no further movement is detected for its RUN-ON time.


CESRA PIR DALI (Absence detection - momentary switch required)

CESRA PIR DALI operates by Absence Detection. It requires a retractive (momentary) switch to be pressed when a person enters the room. This will switch the lights ON and enable the PIR switch to control the load. The load will automatically be switched OFF or to its reduced lux level (minimum) when no further movement is detected for its RUN-ON time.


Run-on timer - Step down illuminance

RUN-ON SET TO 0 SECONDS: When an area is no longer occupied the control will switch OFF from the maintained lux level after a pre-selected time lag (10 seconds to 40 minutes in 9 steps) if the RUN-ON timer is set a 0 seconds.

RUN-ON SET TO 1 MINUTE TO 30 MINUTES: When an area is no longer occupied the control will dim down to a minimum setting from the maintained lux level after a pre-selected time lag (10 seconds to 40 minutes in 9 steps) if the RUN-ON timer is set from 1-30 minutes.

The lights will stay ON at this reduced level for the pre-selected RUN-ON time then switch the lights OFF. If the PIR detects movement of a warm body while the RUN-ON is timing down the lights will switch ON to the maintained (maximum) lux level.

RUN-ON SET TO INFINITE: When an area is no longer occupied the control will dim down to a minimum setting from the maintained lux level after a pre-selected time lag (10 seconds to 40 minutes in 9 steps) if the RUN-ON timer is set at infinite.

The lights will stay ON at the reduced (minimum) lux level indefinitely until movement of a warm body is detected then the lights will switch ON at maximum and then to the maintained lux level.

Please note: Maximum and minimum levels could be set within the ballast NOT the DANLERS control.

 

Specification

Detection Zone: 360°
Time lag range: 10 seconds to 40 minutes in 9 steps
Run-on time: 0, 1, 2, 5, 10, 15, 20, 30 mins and infinite (always ON at minimum)
Photocell range: 30 to 1000 lux, and inactive
Loading: Daylight linked dimming with occupancy switching.
For controlling DALI dimmable ballasts (broadcast only).
The external DALI power supply provided can control up to 40mA, eg. 20 ballasts at 2mA (varies according to make and model of ballasts).
For greater numbers of ballasts (64 max.)additional external DALI Power supplies can be purchased (DANLERS order code: DBPSU).
These controls can also switch up to 6 amps (1500W) of dimmable fluorescent lamps.
2 amps (500W) of CFL, LED Drivers and LED lamps and fittings.
Dimensions: 91mm diameter x 45mm

 

 

Daylight linked dimmer functions

 

pir-dld-function-1 pir-dld-function-1 pir-dld-function-1
UNOCCUPIED DAY -
LIGHTS OFF
(Timed or zero run-on)
OCCUPIED DAY -
LIGHTS ON (MAXIMUM)
(Maintained lux value)
UNOCCUPIED -
LIGHTS ON (MINIMUM)
(Timed or infinite run-on)
pir-dld-function-1 pir-dld-function-1
OCCUPIED NIGHT -
LIGHTS ON (MAXIMUM)
(Maintained lux value)
UNOCCUPIED NIGHT -
LIGHTS OFF
(Timed or zero run-on)

 

 

 

 

  • DimensionsOpen or Close
    91 x 91 x 45mm cefl-dimensions
  • Detection DiagramsOpen or Close

    icn-detection-strongStrong detection zone
    ie. person moving arm

    icn-detection-secondarySecondary detection zone
    ie. person walking (less sensitive when walking straight towards PIR switch)

    PIR Quad detector gives 124 detection areas within the zone

    cefl-detection-diagram-1

    Perspective view of detection zone

    For optimum coverage recommended mounting height between 2.4 and 5m

     

    Covering large areas

    To cover large areas it is advisable to install one CESR PIR DALI (or CESRA PIR DALI) to dim and and a few CEFL PIR to switch

    cefl-detection-diagram-2
  • Wiring DiagramsOpen or Close
    CESR PIR DALI controlling several DALI dimmable ballasts cesr-pir-10vdc
    CESRA PIR DALI controlling several DALI dimmable ballasts cesra-pir-10vdc