User's Manual

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USER MANUAL – ActivDuo Active RFID Tags

Configuration No. Wavetrend Technologies Ltd Master File Name Issue Date Page

00000-0000-150-1 User Manual ActivDuo Tag-00.8-UM-LT 3 DECEMBER 2008 11 OF 42

1.4 Standard Tag Functionality

The ActivDuo tag offers three primary modes of operation that determines how often the tag will transmit.

They are defined as being ‘Standard’, ‘Movement Alert’ and ‘Tamper Alert’ transmission modes:

1.4.1 Standard Transmission Mode

In this mode, the tag will transmit its ID number and

ancillary data regularly at the programmed status

transmission interval (called the ‘Status Tx rate’).

The default Status Tx rate is 1 transmission at least

every 10 seconds. Other transmission intervals for the

Status Tx rate greater than 10 seconds can be selected

by the user and programmed into the tag through a tag

programmer unit. See the section on tag programming

for more information on how to do this.

1.4.2 Movement Alert Mode

In this mode the tag will transmit its data at a shorter

alert interval (the ‘Alert Tx rate’) for a short period of

time if the motion sensor within the tag registers

movement or vibration.

For L-Series and W-Series, the default transmission

rate for movement alert operation is 1 transmission

every 1.5 seconds. But other alert transmission

intervals (0.4 or 0.8 seconds for L-Series and 0.4 / 0.8 /

1 / 3 or 5 seconds for W-Series) can be selected by the

user and programmed into the tag.

The tag will cease transmitting at the Alert Tx rate after

5 seconds of entering Movement Alert mode and revert

to the Status Tx rate. Each time the motion sensor is

activated when the tag is in Standard mode, the tag will

immediately enter the Movement Alert mode.

The movement counter will increment each time the

Movement Alert mode is activated.

1.4.3 Tamper Alert Mode

In this mode, triggered by the anti-tamper circuit, the

tag will transmit its data, together with setting the Alarm

bit, in a rapid burst of four alert transmissions and in

intervals of 0.4 seconds. The tamper alert mode will interrupt the movement alert mode if a tamper

event occurs while the tag is moving. The tamper counter value will increment each time the Tamper

Alert mode is activated.

1.4.4 Manual Alert Operation for the TG700-A Key Fob PA Tag

The Key Fob PA tag does not include a motion sensor. In its place a push button is fitted. When

pressed, the push button activates the Movement Alert mode of operation. The alert transmissions

Alert Tx Rates

L Series

Status Tx Rates

L-Series

0.4 seconds

10 seconds

(default)

0.8 seconds

30 seconds

1.5 seconds

(default)

Table 3 - List of Programmable Nominal

Transmission Rates for the L-Series ActivDuo