For a device or entity to automatically perform an action when the value of a data
point changes, you can create a rule in Security Center.
Before you begin
- Add your device.
- Add data points to your devices and entities.
Procedure
-
From the Config
Tool home page,
open the Plugins task.
-
From the entity browser, select the Industrial
IoT plugin role and click the
Rules tab.
-
In the Rules section, click Add a
rule ().
-
In the Information section, enter a name and
description.
-
In the Conditions section, select On data
change from the Condition list and
provide the following information:
- Select a source type
- Select whether the rule applies to a device, device type, entity, or
entity type. Selecting a device or entity type means that the rule
applies to all devices or entities that inherit the properties of
that type.
- Select a source
- Based on the selected source type, select a specific device, device
type, entity, or entity type to which the rule applies.
- Select a data point
- Select the data point that the rule applies to.
- Select an operator
- Select the operator and the value used to evaluate the data
point.
-
In the Actions section, select
the action that you want to occur when the condition is met.
The action can be one of the following:
- Raise an event
- Raise the custom event you select.
- Trigger an alarm
- Trigger the alarm you select.
Select the
Auto-acknowledge option if you want
the system to automatically acknowledge the alarm when the
condition that triggered the rule is no longer true.
- Change the state
- Change the state of the device to the state you select.
- Write on a data point
- Write a specified value to the data point you select.
-
(Optional) To add more actions to the rule, click Add
action () and configure the action.
-
(Optional) To duplicate a rule, right-click on the rule and select
Duplicate.
-
Click Apply.
Results
The rule is enabled by default. To disable the rule, move
the slider to OFF.
Example
If you have a temperature controller device configured in a room, you can create a
rule to change the state of the device to
Too hot and trigger the
Too hot
event when the temperature reaches 22 degrees or higher.