# Alarms

This is the part where the alarm definitions are made. You can write as many conditions, operations and comparison functions as you want for alarms and define Line Printer for automatic printing of alarms. 

![Figure 1 : Development->Alarms](/files/-LjXfwzEvii85UBYC4_k)

In inSCADA, using options located in the upper corner, 

![Figure 2 : Alarm Export, Import, Setting Printer, Add, Edit, Delete](/files/-LjXhnqMnD3KoPcHWmiu)

Alarm Export/Import, Setting Printer, Add, Edit and Delete operations can be done.

## Alarm Printer Settings

You can define a line-printer for your alarms. To do so, press the button in the top right corner and the dialog window as in Figure 3 will open. Here, you only need to enter the IP and Port to which the printer is connected. 

![Figure 3 : Alarm Settings](/files/-LkbtacyWIaCMFOYWsJ4)

In Figure 3, you can also specify the scan time (ms) of the alarms with Scan Time.

{% hint style="info" %}
You must define for each project separately.
{% endhint %}

## Alarm Page Add/Edit Form

![Figure 4 : Alarm Add/Edit Form](/files/-Lkbu_rrf-DpcFNkCGGL)

#### Project

You can select the project to add an alarm to.

#### Alarm Group

You can select the group of Alarm.

#### Name

You can assign any name (10 characters) to the alarm.

#### Description

You can enter a detailed description of the alarm (50 characters).

#### Delay

Alarm delay time.

#### Expression

You must write a script for the alarm. When the script result is true, it will be Alarm On and will be Alarm Off if it is false.

```javascript
var tag=ins.getVariableValue("U01_POWER");
if (tag===null) {return false};
if (tag.value<100) {
return true;
} else {
return false;
}

```

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