Sensor Functionality - CP Electronics MWS3A-DD Manual

Detection Mode
The Detection Mode for both output Channels 1 and 2 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.
 Absence The load is manually switched on. When the area is no longer occupied the load will automatically switch
off after the adjustable time period has elapsed.
In either case, sensitivity to movement of the microwave sensor can be adjusted using the Sensitivity parameter.
HINT: To assist in setting the Sensitivity, turn on the Walk Test LED which will flash red when movement is detected.
Switch Level On/Off
Occupancy detection can be made dependant on the ambient light level using the Lux On Level and Lux Off Level
parameters.
Maintained Illuminance (daylight harvesting)
The detector measures the overall light level in the detection area and calculates the correct output for the luminaires, to
achieve a preset lux level (maintained illuminance or daylight harvesting).
Overview
It is a requirement of many fluorescent lamp manufacturers to have the lamps on at maximum output for a period of time
to guarantee lamp life (refer to the manufacturer's datasheet for details) As this MWS3A-DD is able to dim the lamps
using DALI/DSI, the product provides a facility to disable this for a given period of time.
Operation
By setting the "Burn in" parameter, you can select a time during which the lamps are not allowed to deviate from
maximum output. The unit counts the time, and even remembers how long has elapsed in the event of a power failure.
To cancel the burn in function, simply select a time of 0. Note that when the lamps are changed, the burn in time should
be set again.
The UNLCDHS has the ability to read back the settings stored in a device.
To read back individual parameters

Navigate to the parameter and press the 'R' (Read) button whilst pointing at the device. The handset will click
when the parameter has been read back, the device will flash its LED, and the value will be shown against the
parameter in the menu.
To read back all of the parameters in a menu

Press and hold the 'R' (Read) button for more than 1 second.

The handset will click every time a parameter is received

The device will show multiple flashes of its LED

All of the values will be shown against the parameters in the menu.

The individual parameters may be edited and then saved as a 'Macro'.
Notes

If a parameter(s) has been missed because of a communication error, the missing value(s) is replaced by dashes.

When reading back, the Channel 1 relay (where fitted) will temporarily be switched off, and will return to it's
normal state 2 seconds after the read back has been completed.
Readback function

Sensor functionality

(UNLCDHS handset only)
Burn-in
3