EN
WMBus Smart Building MOTION - Guide utilisateur / User guide version V1.0.0
55
Page
of 82
FR
2.1.5.01
Periodic sending with or without history logs
The device allows the measurement and the periodic sending of the sensor values according to the following diagram:
The device makes it possible to record the temperature and the humidity at a certain frequency, to store this information and then to send it
periodically.
The parameters associated with this operating mode are:
•
Period of acquisition (S321)
•
Backup period (S320)
•
Period of transmission(S301)
The complete list of registers can be found in paragraph 3.4.
E.g.:
Register Value
encoding
Value
Result
S321
Decimal
5400
1 reading every 3 hours 5400 * 2sec
= 10800 sec = 3 hours
S320
Decimal
1
1 backup at each reading
S301
Decimal
8
Periodic mode with a period of 8 * 3
hours = 24 hours
S330
Decimal
0
Presence alarm off
S340
Decimal
0
Luminosity alarm off
In this example:
• The device takes presence and luminosity every 3 hours and saves the information
• The device will make 8 backups and send them once a day
• The device is in pure periodic sending mode since the alarms have been disabled.
ADVICE FROM ADEUNIS: By default, the device is set to read every hour (S321 = 1800). For
pure periodic sending it is advisable to set the acquisition period to the desired backup period
in order to gain autonomy (here 5400 corresponding to 3 hours).
Be careful about backup and sending values that will also depend on the network used and its
bandwidth.
Note: for a transmission without history, it is sufficient to set the register 301 (transmission
period) to 1 so the device will send a frame to each backup.
Product in standby
Send frame 0x4E
Backup
Measure luminosity &
presence
Number
of readings
reached
?
Period
of acquisition
reached?
Number of
backups rea-
ched?
