WatchDog 3900, Руководство по эксплуатации продукта

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DATA LOGGING & STORAGE
Data Logging
 The Retriever logs sensor data from its network of Pups
(maximum of 16 Pups per network).

The Pup logging intervals are: 5, 10, 15, 30, or 60 minutes.

Pups read the sensors every 15 seconds. So, for example,
the logged value for a Pup on a 5 minute interval will be
composed of 20 measurements.

A single logging interval is selected in the Retriever Settings
screen because all Pups have the same interval.
 If communication to a Pup is lost for a period of time, all other
Pups will continue functioning normally. When non-
communicating Pups are reconnected, they will send all their
missing data to the Retriever.
 Shorter intervals allow for more frequent updates to
SpecConnect, but also consume more modem battery power.
 For installations with many Pups (10 or more), it may be
beneficial to set the upload interval to be shorter than the
logging interval.
Data Channels
 Up to four data types, can be recorded for each sensor
measurement. These data channels are defined as follows:
Average: The average of all measurements taken during
the logging interval
Current: The most recent measurement
High & Low: The maximum and minimum values
measured during the logging interval
 Each Sensor Pup can log a maximum of 16 data channels.
 When using multi-sensors, a different configuration of data
channels can be chosen for each parameter.
 Rain and wind sensors have pre-selected data channels.
Data Storage
 The flash memory on the Retriever will hold approximately 6
months of data for a 10 Pup network using 15 minute logging
intervals. When the logging capacity is reached, older data
on the Retriever will be overwritten. To avoid loss of data if
the internal memory fills, it is recommended that the Retriever
always be connected to a USB flash drive.