Outlet 1 turns on Outlet 2, Outlet 2 turns off x minutes after Outlet 1 turns off?

[Etoimos]

I would like to have my canopy fans turn on when my MH light turns on and then have them turn off 15 minutes after the light turns off.

I'm using this code to turn the fans off and on with the light, but I need to add the delay function....

Fallback OFF
Set OFF
If Output MH_Light = ON Then ON

Anyone know how to do this?

[BluewaterLa]

A predetermined time slot that your MH lights go off would be the answer.
so say your MH turn off at 18:00, add a line stating the time you would like the outlet to be in the on state.
im new at this as well and hope someone can verify this and show you the proper syntax.

[Etoimos]

Thanks for the reply. I already have the MH light setup to turn on and off at a certain time. I used the configuration wizard for Light, but here is the code that was generated for it:

Fallback OFF
Set OFF
If Time 17:00 to 20:00 Then ON
If Tmp > 81.0 Then OFF
Min Time 015:00 Then OFF

I think I need to add something like this to the first code I posted:

Defer 015:00 Then OFF

I'm just sure how to string it all together.

[Justin L]

I think what Bluewater was trying to say is you could just set up the fan with to run an extra 15 minutes..IE If Time 17:00 to 20:15 Then ON, but if you change the time your MH runs then you'd need to change the fan code as well.

I _think_ you can do it with a defer but someone should double-check me because I don't use a ton of defers, but what you're wanting to do is "defer the off state" so you wouldn't check to see if the outlet is ON, you'd check to see if it's OFF

Set ON
Fallback OFF
If Output MH_Light = OFF then OFF
Defer 015:00 Then OFF

Make sense? Test that obviously.

[RussM]

Fallback OFF
Set OFF
If Output MH_Light = ON Then ON
Defer 015:00 Then OFF

[Justin L]

Fallback OFF
Set OFF
If Output MH_Light = ON Then ON
Defer 015:00 Then OFF

So the defer works on the "Set OFF"? For some reason I thought you needed logic to say "off" not just be the default state of the outlet. Out of curiosity would my code have worked anyway? I need to play around with defer more obviously.

[Etoimos]

So the code that RussM posted above for me did work, Thanks!

[BluewaterLa]

Yup Russ and JustinL was able to nail down my lack of communications due to being green on this apex world.
thanks guys for stepping in and showing the way or ways.

[Etoimos]

I have a quick follow on question to this... is there a command that does the opposite of Defer? If I wanted a fan to come on before my lights are turned on, is that possible without hard coding an On on time for the lights?

[Justin L]

Not really, you'd need to defer your lights based and set the time in your fan. Or create a virtual output with a schedule and change output states based on that.

[RussM]

If I wanted a fan to come on before my lights are turned on, is that possible without hard coding an On on time for the lights?

I'm curious - why do you want to do this? It's an unusual request.

Post your current lighting program please.

[Etoimos]

Not really, you'd need to defer your lights based and set the time in your fan. Or create a virtual output with a schedule and change output states based on that.

That is a good option. Set the times for the fan and them have the lights triggered by the fans instead of the other way around. To accomplish what I'm thinking about, I would need to delay the lights turning on and then delay them turning off, both based on the On time of the fan.

I'm curious - why do you want to do this? It's an unusual request.

Post your current lighting program please.

My MH light heats my tank up a little more than I would like (from 78° to 79.9°) over the course of the day when they are on. I just wanted to see if I ran the fans for some time before turning the light on, if it would slower or lower the temp.

My lighting program is simply on at 11:00am and off at 8:00pm. Nothing fancy at all as I only have the one light. I have been kicking around the idea of just replacing the MH light with an LED light so I can do sunrise/set and moon lights in addition to a daytime setting.