Aquarium timer using Irrigation computer - Page 2 - The Planted Tank Forum
Closed Thread
 
LinkBack Thread Tools Display Modes
post #16 of 43 (permalink) Old 02-27-2008, 01:19 AM
Planted Tank VIP
 
Gatekeeper's Avatar
 
Join Date: Feb 2007
Location: Earth
Posts: 6,626
Did you choose your relays yet WP? I am curious to see what the total cost of this will be.

Gatekeeper is offline  
Sponsored Links
Advertisement
 
post #17 of 43 (permalink) Old 02-27-2008, 01:26 AM
Planted Member
 
Join Date: Sep 2007
Location: NYC, queens
Posts: 163
Send a message via AIM to nycsicktank
theres something like this in sw equipment =)
nycsicktank is offline  
post #18 of 43 (permalink) Old 02-27-2008, 01:32 AM
Planted Tank Enthusiast
 
swylie's Avatar
 
Join Date: May 2007
Location: Frederick, MD
Posts: 664
Quote:
Originally Posted by Wasserpest View Post
That's one weird/good thing about this particular timer that you can control the zones independently, rather than a one after another deal like other timers.
Yeah, I saw where you mentioned that, and that's cool. It would still be nice if you could control each zone completely independently, but I guess that's not really necessary. However, I was referring to the relays that someone mentioned that had three channels or something. Of course they all switch together, so it doesn't do anything for you except increase the current handling capacity of your relay, so far as I can tell. Still six channels, not eighteen...
swylie is offline  
post #19 of 43 (permalink) Old 02-27-2008, 04:11 AM
Wannabe Guru
 
Join Date: May 2006
Location: Denville, NJ
Posts: 1,485
Hey! Where did my post go?! It just disappeared! I posted an explanation of how you could use one output to control a relay, which would energize however many adjustable time delay relays to stage multiple items off of each output. I also explained the basic programming I would use to control my lunar lights, 3 stages of main lighting, the CO2 solenoid, Reactor pump & an air pump. I could do all that with the 4 zone unit.

I'm not going to sit here & rethink the timer schedule again. :P

Tommy

><;;;"> <9))>>{

Eheim Pimp #204.
58 gal planted Oceanic
Red Turquiose Discus, Japonica shrimp, assorted Blue Eyed Rainbows, Tetras, Hatchets, Danios, Rasboras
10 gal low tech planted Celestial Pearl Danio (Celestichthys margaritatus) & Emerald Dwarf Rasbora (Microrasbora erythromicron)
LS6 Tommy is offline  
post #20 of 43 (permalink) Old 02-27-2008, 04:48 PM Thread Starter
Are these real?
 
Wasserpest's Avatar
 
Join Date: Jun 2003
Location: Monterey, CA
Posts: 15,495
Quote:
Originally Posted by gmccreedy View Post
Did you choose your relays yet WP? I am curious to see what the total cost of this will be.
No, I am searching. Got some excellent 110V relays for $0.75/ea (see link earlier) and I was hoping to find something similar for 24V.

So, the total cost would be

$35 for the irrigation timer
$5 for relays
$5 for power strip

$45 for basically 6 semi-independent advanced timers in a compact package. Not too bad.
Wasserpest is offline  
post #21 of 43 (permalink) Old 02-27-2008, 04:51 PM Thread Starter
Are these real?
 
Wasserpest's Avatar
 
Join Date: Jun 2003
Location: Monterey, CA
Posts: 15,495
Quote:
Originally Posted by LS6 Tommy View Post
Hey! Where did my post go?! It just disappeared! I posted an explanation of how you could use one output to control a relay, which would energize however many adjustable time delay relays to stage multiple items off of each output. I also explained the basic programming I would use to control my lunar lights, 3 stages of main lighting, the CO2 solenoid, Reactor pump & an air pump. I could do all that with the 4 zone unit.

I'm not going to sit here & rethink the timer schedule again. :P

Tommy
Hmmm... lost in electron land.

This sounds workable, but then you'd have to add delay timers, which adds to the total cost and complexity I guess. I prefer to spend a bit more for a 6 zone timer upfront, and the flexibility to time minutes up to 12 hours is pretty good.
Wasserpest is offline  
post #22 of 43 (permalink) Old 02-27-2008, 06:06 PM
Wannabe Guru
 
Join Date: May 2006
Location: Denville, NJ
Posts: 1,485
Quote:
Originally Posted by Wasserpest View Post
Hmmm... lost in electron land.

This sounds workable, but then you'd have to add delay timers, which adds to the total cost and complexity I guess. I prefer to spend a bit more for a 6 zone timer upfront, and the flexibility to time minutes up to 12 hours is pretty good.
I agree on the 6 zone, but you can still only have 2 zones energized at the same time. The beuaty of using TDR's is you can stage multiplethings off of 1 or 2 zones. A TDR costs about $8.00 for me.

Tommy

><;;;"> <9))>>{

Eheim Pimp #204.
58 gal planted Oceanic
Red Turquiose Discus, Japonica shrimp, assorted Blue Eyed Rainbows, Tetras, Hatchets, Danios, Rasboras
10 gal low tech planted Celestial Pearl Danio (Celestichthys margaritatus) & Emerald Dwarf Rasbora (Microrasbora erythromicron)
LS6 Tommy is offline  
post #23 of 43 (permalink) Old 02-27-2008, 07:25 PM Thread Starter
Are these real?
 
Wasserpest's Avatar
 
Join Date: Jun 2003
Location: Monterey, CA
Posts: 15,495
Quote:
Originally Posted by LS6 Tommy View Post
A TDR costs about $8.00 for me.
Tommy
Just for you, or anyone? Got a link or source?

I am asking because I built some delay timers with relays, but buying the circuit board, relay, and plugs added up to a bit more.
Wasserpest is offline  
post #24 of 43 (permalink) Old 02-27-2008, 08:30 PM
Wannabe Guru
 
Join Date: May 2006
Location: Denville, NJ
Posts: 1,485
Quote:
Originally Posted by LS6 Tommy View Post
I agree on the 6 zone, but you can still only have 2 zones energized at the same time. The beuaty of using TDR's is you can stage multiplethings off of 1 or 2 zones. A TDR costs about $8.00 for me.

Tommy
Quote:
Originally Posted by Wasserpest View Post
Just for you, or anyone? Got a link or source?

I am asking because I built some delay timers with relays, but buying the circuit board, relay, and plugs added up to a bit more.

Sorry, bad typo! It should read $28.00. At least that's what i used to get them for. Here's an example (even though it's not who we used to get them from):

http://www.wolfautomation.com/Produc...roductID=22575

Tommy

><;;;"> <9))>>{

Eheim Pimp #204.
58 gal planted Oceanic
Red Turquiose Discus, Japonica shrimp, assorted Blue Eyed Rainbows, Tetras, Hatchets, Danios, Rasboras
10 gal low tech planted Celestial Pearl Danio (Celestichthys margaritatus) & Emerald Dwarf Rasbora (Microrasbora erythromicron)
LS6 Tommy is offline  
post #25 of 43 (permalink) Old 02-27-2008, 10:32 PM
Planted Tank Obsessed
 
kornphlake's Avatar
 
Join Date: Dec 2007
Location: Portland
Posts: 319
It's no dollar relay, but it's probably the best you'll find assuming whatever you are powering doesn't draw more than 3A
http://search.digikey.com/scripts/Dk...?name=PB139-ND

There are a couple others, this one is a little less and will handle 10A@250VAC, way overkill but it'll save you a couple bucks per relay
http://search.digikey.com/scripts/Dk...l?name=Z843-ND

5A@220VAC
http://search.digikey.com/scripts/Dk...l?name=Z184-ND
kornphlake is offline  
post #26 of 43 (permalink) Old 02-27-2008, 10:41 PM
Wannabe Guru
 
dekstr's Avatar
 
Join Date: Oct 2007
Location: Ontario, Canada
Posts: 1,168
This sounds interesting. I don't understand most of it, but when you guys have it figured out, make sure to write out a irrigation set-up for dummies article!

In the mean time I'll keep reading and scratching my head.
dekstr is offline  
post #27 of 43 (permalink) Old 02-27-2008, 11:07 PM Thread Starter
Are these real?
 
Wasserpest's Avatar
 
Join Date: Jun 2003
Location: Monterey, CA
Posts: 15,495
Quote:
Originally Posted by kornphlake View Post
It's no dollar relay, but it's probably the best you'll find assuming whatever you are powering doesn't draw more than 3A
http://search.digikey.com/scripts/Dk...?name=PB139-ND

There are a couple others, this one is a little less and will handle 10A@250VAC, way overkill but it'll save you a couple bucks per relay
http://search.digikey.com/scripts/Dk...l?name=Z843-ND

5A@220VAC
http://search.digikey.com/scripts/Dk...l?name=Z184-ND
Thanks, but nah... not even close to the best I will find. This is a bit closer.
Wasserpest is offline  
post #28 of 43 (permalink) Old 02-28-2008, 09:55 PM
Planted Tank Obsessed
 
kornphlake's Avatar
 
Join Date: Dec 2007
Location: Portland
Posts: 319
Quote:
Originally Posted by Wasserpest View Post
Thanks, but nah... not even close to the best I will find. This is a bit closer.
Or you can use that. I never think to look on ebay for stuff like that, usually for items under about $10 you don't save much after paying the inflated shipping and handling fees.
kornphlake is offline  
post #29 of 43 (permalink) Old 03-05-2008, 10:24 PM Thread Starter
Are these real?
 
Wasserpest's Avatar
 
Join Date: Jun 2003
Location: Monterey, CA
Posts: 15,495
Quote:
Originally Posted by gmccreedy View Post
Did you choose your relays yet WP? I am curious to see what the total cost of this will be.
Quote:
Originally Posted by kornphlake View Post
Or you can use that. I never think to look on ebay for stuff like that, usually for items under about $10 you don't save much after paying the inflated shipping and handling fees.
Just went ahead and bought six

POTTER & BRUMFIELD KHAU-17A11-24 RELAY 14 BLADE 24VAC

via fleabay. They were $2.75 ea and with (very reasonable) shipping the total came out to $20 flat, or $3.33/relay.
Wasserpest is offline  
post #30 of 43 (permalink) Old 03-05-2008, 10:57 PM
Planted Tank VIP
 
Gatekeeper's Avatar
 
Join Date: Feb 2007
Location: Earth
Posts: 6,626
Did you just solder to the pins of these relays to make the connections or did you buy some type of base unit to plug the relays into? I am a bit lost with this electrical stuff here, but this is totally intriguing to say the least.

Gatekeeper is offline  
Closed Thread

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the The Planted Tank Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome