Is this good apex code for a BRS 1.1ml/minute doser for alk?

[glb]

The first number is the minutes and seconds from top top of the hour. So if your code said:
OSC 030:00/000:45/029:15 Then ON
the doser would start on the 30 min mark, rum for 45 sec and then off for 29:15 and then off for 30 more minutes to get to the bottom of the hour. Now if you only want to dose at night you could add a second line:
IF Time 08:00 to 20:00 then OFF
So you would only dose between 20:01 and 07:59.
Try the calculator it’s fantastic or fusion.community. Great people there too for all your programming needs

Thanks! I dose less than the calculator allows, but I found a workaround.

 

[glb]

So this is the code the calculator put out. I adjusted the time on to match the amount I want to dose:

So 1900 came and went and it didn’t come on. Any guess as to why? It’s supposed to run twice in a 4 hour period. I got nothing on solving this at this point.

 

[glb]

I left the room and when I came back I could tell the pump had run. I think maybe at 8pm? If I tell it to run twice between 7pm and 1am, will it run say at 8 and 11? Any help is appreciated!

 

[davejep]

Just curious why you are so set on dosing at a particular time?
Seems like you are trying to complicate things.
Have it dose twice a day and forget about it.

 

[glb]

Just curious why you are so set on dosing at a particular time?
Seems like you are trying to complicate things.
Have it dose twice a day and forget about it.

That’s a good point. I guess I wanted to be able to watch it to make sure I programmed it right.

 

[Ferrell]

By your code it will run at 19:00 21:00 23:00 and 01:00
ON at top of hour/RUN 0:22/OFF 119:38
I’m no expert. RussM is the expert in Fusion community

 

[davejep]

Try the

Fallback OFF
OSC 000:00/000:30/719:30 Then ON
If pH > 8.35 Then OFF

Have it run into a cup and you will be able to see that it is working without being there. Should work at midnight and noon

 

[Hammer100]

anybody have trouble triggering the dosers to start? i thought i read somewhere they might not turn on/off correctly using an Apex outlet. I am considering doing the same setup.

 

[davejep]

anybody have trouble triggering the dosers to start? i thought i read somewhere they might not turn on/off correctly using an Apex outlet. I am considering doing the same setup.

Use the two outlets on the far right #4 & #8

EB8 outlets 4 and 8 are activated with mechanical relays. These have a distinct "click" whenever they switch on/off. Mechanical relays (think light switch in your house) have been around for a long time, are inexpensive and very reliable. They handle both high and low current devices equally well.

EB8 outlets 1-3 and 5-7 are TRIAC (TRIode for Alternating Current) solid state outlets. They are completely silent. An example of a TRIAC switch can be found on your Christmas tree lights. They are very, very fast and can switch in fractions of a second and do that all day long without wearing out like a mechanical switch/relay would.

 

[GK3]

I finally hooked up my doser for alk. This is the Program I wrote for it:

I want it to come on at 6pm, stay on for one minute, then go off. I also want it to turn off if the ph gets to 8.35. I saw some code online that started with OSC but I have no clue what it means or if I need it. The doser is plugged into one of the 4 outlets of the Apex, Jr., which is the right kind of outlet. Did I do this right? Any help is greatly appreciated!

Remember apex executes top down. So you should do:

Fallback off
Set off
Time 18:00 to 18:01 then on
Ph > 8.35 then off

This way it is alway off. Comes on at 6 PM but if at 6 PM the ph is too high, it won’t turn on. It stays on for 1 minute, then sets back to off.

OSC is basically on/off/on repeat. If you really just want it on for 1 minute a day, you don’t need osc. If you wanted it to come an and do a repeated cycle for a while, then turn off, use OSC. Check here:

https://forum.neptunesystems.com/showthread.php?6456-OSC-and-SET-Command-for-dummies-Like-me

For what your original post described, I think you just need the set command.

 

[GK3]

The

If time XX to XX then

Function only does hours and minutes, it cuts off seconds. So 18:00 to 18:01 is going to go from 18:00:000 to 18:01:590 which is basically two minutes. If you want just 1 minute, or 59 seconds. Then it’s just 18:00 to 18:00. I just did it in my system to check and 18:00 to 18:00 is definitely a valid time.

 

[SteadyC]

That’s a good point. I guess I wanted to be able to watch it to make sure I programmed it right.

Enable logging on outlet, and look at the logs, shows when it turned on, and when it turned off. . No reason to watch it.

 

[GK3]

The

If time XX to XX then

Function only does hours and minutes, it cuts off seconds. So 18:00 to 18:01 is going to go from 18:00:000 to 18:01:590 which is basically two minutes. If you want just 1 minute, or 59 seconds. Then it’s just 18:00 to 18:00. I just did it in my system to check and 18:00 to 18:00 is definitely a valid time.

While it is valid. It appears to have odd behavior, not sure why. Sorry, I spoke to soon on it working, even though the apex will take it.

 

[glb]

Enable logging on outlet, and look at the logs, shows when it turned on, and when it turned off. . No reason to watch it.

Haha! Can I do that with an Apex Jr?

 

[glb]

While it is valid. It appears to have odd behavior, not sure why. Sorry, I spoke to soon on it working, even though the apex will take it.

I tried that one but it didn’t work for me either.

 

[Ariton]

Remember apex executes top down. So you should do:

Fallback off
Set off
Time 18:00 to 18:01 then on
Ph > 8.35 then off


Still will run till 18:01:59

 

[Ariton]

I believe this may work

Fallback OFF
If Time 18:00 to 18:01 Then ON
If time 18:01 Then OFF
If PH > 8.35 Then OFF

AS SOON AS 18:01 hits should turn at off

 

[glb]

I believe this may work

Fallback OFF
If Time 18:00 to 18:01 Then ON
If time 18:01 Then OFF
If PH > 8.35 Then OFF

AS SOON AS 18:01 hits should turn at off

That might work. I ended up using an OSC code because I needed to schedule it for seconds, and the time codes are only as accurate as minutes. But if you needed to run it for a minute, I think that could work.
Thanks!

 

[Ferrell]

I believe, correct me if I’m wrong, but on the two min run time I think you can use a defer statement of 01:30 to get down to 30 sec. think I readin manual or in community