Wavetronix SmartSensor Advance Extended Range (SS-200E) - Use Instrukcja Użytkownika Pobierz pdf (Strona 85)

84 CHAPTER 7  CHANNELS-ALERTS-ZONES

Alerts

e alert is the mid-level detection unit and is used to dene the corresponding channel’s

output (see Figure 7.18).

Figure 7.18 – Alert Conﬁguration

Enabling an Alert

When an alert is enabled, the alert section of the setup screen turns white; when an alert

is disabled, the alert section turns dark gray. A normal channel contains alerts 1 through 4

and a latched channel contains an ON alert and OFF alert that cannot be disabled.

Each enabled alert must have at least one enabled zone. If you attempt to save an invalid

alert conguration, a prompt will appear asking you to activate one zone for each enabled

alert.

Logic (OR/AND)

An alert’s logic setting species the Boolean logic operation to be applied to the alert’s zone

outputs. e available options are OR and AND. If OR logic is selected, the alert will turn

ON if one or more zones have active outputs; if AND logic is selected, the alert will turn ON

only if ALL enabled zones have active outputs.

Inverted Zones

In order to provide more exibility, an alert can invert a given zone’s output BEFORE apply-

ing the alert’s specied logic operator on the zone outputs.

For example, if an alert has only one enabled zone (zone1), and that zone’s output is OFF

(did not nd a qualied detection in the zone), then the alert’s output will be OFF. However,

if the alert were congured to invert the zone’s output, then when the zone’s output is OFF,

the alert’s output will be ON.

Zones

e zone is the lowest-level detection unit. A zone’s output is used to dene the correspond-

ing alert’s output.

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