One PLEG or Many?

Hi, Just getting my feet wet with more advanced stuff. When using PLEG is there one device for ALL various actions? E.g would logic to control turning on a TV and something to do with lights in another room (totally separate actions) be part of one PLEG device? If not, how do you create a 2nd PLEG device?

You can use one PLEG if you want to, depending on how complex your needs are. I personally have three, one for HVAC, Lighting and Security. To create additional PLEGs go to Apps > My Apps > PLEG to open the app and then select create another.