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ProfiLux 4 Resource Guide

EN 2018-13-11 110

Programmable Logic Examples

Programmable Logic (PL) is the feature that allows you to combine multiple functions together.

There are certain scenarios that require a single Powerbar outlet to react to two or more

different functions. In cases like this, Programmable Logic is necessary. Out of all PL function

options, the functions, AND and OR are the most commonly used. This section will provide

examples and tips for using PL functions on your ProfiLux 4.

How to delay a skimmer from turning ON after a Maintenance

mode ends

Scenario: When a maintenance mode is activated, selected outlets turn OFF. When

deactivated, these outlets turn back ON immediately. For example, for manual water changes

we would have maintenance mode turn OFF return pumps, skimmer, etc. When the

maintenance mode is deactivated, everything EXCEPT the skimmer should turn back ON

because we want to avoid the skimmer cup from overflowing due to high water level in the

sump.

NOTE: 2 PL Functions will be used

In order to set a delayed ON reaction time for a socket, you will need to use

2 Programmable Logic functions. 1 will be for the actual delay and the other

will be for any other function you wish to tie-in.

Here’s how to create a delayed ON reaction for any maintenance mode:

CREATE THE 1

PL FUNCTION: Maintenance mode delay

1. Go to the PROGRAMMABLE LOGIC settings page.

2. Select an unused

Gate

and set the function to DELAYED OFF.

3. Set the

Input

to MAINTENANCE and specify how long to delay the reaction.

4. Type-in a description and click OK.

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