Watlow MICRODIN Bedienungsanleitung PDF herunterladen (Seite 45)

Watlow MicroDIN 4.13

Features

Alarm Silencing

Alarm silencing has two uses:

1. It is often used to allow a system to warm up after it has been started up.

With alarm silencing on, an alarm is not triggered when the process

temperature is initially lower that the alarm low set point. The process

temperature has to enter the normal operating range beyond the hysteresis zone

in order to activate the alarm function.

2. Alarm silencing also allows the operator to disable the alarm output while the

controller is in an alarm state. The process temperature has to enter the normal

operating range beyond the hysteresis zone in order to activate the alarm

function.

Alarm Silencing Mode (Alarm Output Group) allows you to view or change

whether alarm silencing is on.

Figure 4.13 — Alarm Silencing

Normal Operating Range

Alarm 

enabled 

here

Alarm 

triggered 

here

Startup,

Alarm

disabled

Time

Temperature

Alarm High

Set Point

Alarm Low

Set Point

Process 

Temperature

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 105 106

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Watlow MICRODIN Bedienungsanleitung Seite 45