Tecfluid LU Series Bedienungsanleitung PDF herunterladen (Seite 17)

5.6 Alarms

In these screens we select the actuation points of the two alarms and the level of

hysteresis. By level of hysteresis we understand the difference between activation and

deactivation of the output. In some cases the level of a vessel is not stable due to waves

generated by agitators, etc. To avoid that an alarm output is continuously moving from

activate to deactivate state, we must program the points of connection and disconnection.

Example

Suppose that the instrument is working in level mode. If the activation point is

programmed to 1 m and the deactivation point is programmed to 0.9 m, when the level is

zero the output will be off. When the level reaches a height of 1 m the output will go on

and it will not go off until the level falls below 0.9 m.

Alarm 1. Point of activation

Alarm 2. Point of activation

Alarm 1. Point of deactivation

Alarm 2. Point of deactivation

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Tecfluid LU Series Bedienungsanleitung Seite 17