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WMBus Smart Building MOTION - Guide utilisateur / User guide version V1.0.0
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3.3.1.02
Registers that configure the presence alarm
Register
Size
(bytes)
Description
Encoding
Details
S322
2
Inhibition time of the
presence detector
Decimal
Default: 1
Min/max: 1 to 65535
Unit: x 10 seconds
1 equates to a waiting time of 10 seconds from the end of the
detection before being able to make a new detection
S323
1
Presence sensor
Decimal
Default: 3
0: the sensor is disabled
1: the sensor is enabled “at night”
2: the sensor is enabled “in the day”
3: the sensor is always enabled
This parameter allows the physical enabling or disabling of the
sensor in order to gain autonomy depending on the use case.
S324
1
Brightness threshold defining
the day and night threshold
Decimal
Default: 20
Min/max: 0- 100
Unit: % of brightness
20% brightness in the room, above 20% the device will consider
as “day” and below this threshold the device will consider as
“night”
S325
1
Hysteresis of the day / night
threshold
Decimal
Default: 5
Min/max: 0- 100 Unit: % of brightness
At 5% of the day/night brightness threshold; in this configuration,
the sensor will consider 15% brightness as “night”
S330
2
Presence alarm threshold
Decimal
Default: 0
Disabled: 0
Enabled: Min/max: 1 - 65535
Unit: number of detections
S331
1
Presence alarm
Decimal
Default: 0
0 : Alarm enabled “day” and “night”
1 : Alarm disabled “day” and “night”
S392
2
Presence detection event
counter
Decimal
Default: 0
Min/max: 0– 65535
Value reset to 0 with a Power-On reset
CAUTION:
It is important that the S331 and S323 registers agree. The device must be properly configured for the sensor to be enabled (S323)
when the alarm is enabled (S331). E.g.: If the sensor is “physically turned off at night” no detection can be counted at night and therefore no
alarm will be transmitted. The correct configuration must be S323 = 1 or 3 (sensor enabled at night or always enabled) and S331 = 1 (alarm
enabled only at night).
3.3.1.03
Registers that configure the alarm for the brightness rate
Register
Size
(bytes)
Description
Encoding
Details
S340
1
Alarm type chosen for brightness rate Decimal
Default: 0
0: off
1: low threshold
2: high threshold
3: low and high thresholds
S341
1
High threshold of the alarm
Decimal
Default: 0
Min/max: 0 to 100
Unit: %
S342
1
High hysteresis
Decimal
S343
1
Low threshold of the alarm
Decimal
S344
1
Low hysteresis
Decimal