Learn how to set up Vutlan logic schemes: Adding logic schemes
Example
For example, we want to:
use an AC sensor to alert when power is ‘OFF’
alert when the power is ‘ON’ again
schedule an activity if the blackout is longer than the setup limit.
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Now three triggers reflect the current state of the observed voltage. To inform the administrator, you can connect to their logic schemes by sending notifications. In the case of a Blackout, sending a notification will be repeated every half hour (use the "Repeat" field) until power is restored.
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Example 2
For example, you have a telecommunication rack with servers and equipment. You need to activate fans inside a rack when the temperature reaches 36°C. If the temperature reaches 44°C you need to activate fans, alarm the siren for 90 seconds, and notify the administrator via e-mail and SMS.
You have:
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Device
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Description
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1
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Temperature
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Temperature sensor installed inside a rack
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2
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Power-1 Fun
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Controls fans
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3
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Power-2 Alarm
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Controls siren alarm
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4
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Mail admin
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Notification via e-mail. Created by user
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5
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SMS admin
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Notification via SMS. Created by user
1. Edit the thresholds of "High warning" and "High alarm" levels for the temperature sensor. Set "High warning level" to 36°C and "High alarm level" to 44°C, with useless "Low" thresholds set to minimum.
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2. Configure relay settings. Choose a name and set "Pulse duration", it determines the time at which the alarm will be activated.
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3. Create "E-mail" and "SMS" notifications. Follow the steps in the section: Creating notifications.
4. Go to the "Logic Schemes" menu. Add 3 logic schemes as follows:
a. First logic scheme will turn on "Power-1 Fun" when the temperature reaches 36°C (high warning level).
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b. Second logic scheme will turn on the "Power-1 Fan" when the temperature reaches 44°C (high alarm level). The "Power-2 Alarm" is switched to pulse for 90 seconds, as it was previously configured. SMS and e-mail notifications will be sent.
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c. Third logic will turn off the "Power-1 Fan" and "Power-1 Alarm" when the temperature falls into "normal" ("Normal" level is between "low warning" and "high warning" levels. Thus below 36°C in this example).
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