Wavetronix SmartSensor Advance Extended Range (SS-200E) - Use Manual do Utilizador descarregar pdf (Página 84)

CHAPTER 7  CHANNELS-ALERTS-ZONES 83

Channel

output

Alert

Extend

Figure 7.17 – Channel Extend

Max (s)

e channel Maximum Latch Timer is used to turn a latched channel o aer it has existed

continuously in a latched state for a specied period of time. e latch timer, labeled Max

(s), is available only when using latched channels and can be enabled/disabled by checking/

unchecking the checkbox next to the Max (s) label.

If enabled, the latch timer species how long a latched channel may operate continuously

in the latched state. In a case where the OFF condition was not detected, the latch timer can

be used to prevent a latched channel from remaining indenitely (and unintentionally) in

the ON state.

e latch timer can also be used to generate a latched output of specied duration. is

timed output can be achieved by dening the OFF alert to have a conguration that is not

likely (essentially impossible) to be activated.

Note

A latched channel may have its output activated indeﬁnitely (even if the latch timer

is enabled), if the ON alert is never turned o or if it is repeatedly turned o and on

before the latch timer expires.

A latched channel with an impossible OFF alert could be used to drive an over-speed bea-

con or any other type of ancillary signal that is based on the activating of the ON alert and

whose indication has a xed duration.

Note

The extend period occurs after the latched condition is terminated. This means that

the output will remain activated, after the latch timer expires, for an additional pe-

riod of time (as speciﬁed by the extend setting).

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Wavetronix SmartSensor Advance Extended Range (SS-200E) - Use Manual do Utilizador Página 84