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08/16/2016, 04:20 PM | #1 |
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Digital & Analog Inputs - (PLM-ADIN)
Let's talk about Analog & Digital Inputs.
What are they, and what can you do with them? First things first - the name of the card. Analog Digital INput This topic comes up from time to time, looking to implement an extra Float switch, a relay, a manual switch or button to trigger actions etc. This is where the PLM-ADIN ad-on card comes in handy. Looks daunting? It's not. It's actually simple as Pie - let me show you. When you order the Add-In card, the following will arrive. You ask how do you connect that to your fancy gadgets? Well you probably have a bare wire. There are a few options, the one I personally prefer... Amazon - DB9 Terminal Adapter - $6.99 Now you have a terminal block to connect your sensor/switch wires. Simple. Last night I automated my cabinet lights. https://youtu.be/2Y0ouSSVjTg I grabbed a set of Magnetic contact switches: Alarm contact switches - $15 for a set of 10 For the left 2 doors, I used one each, and wired them in series. For the right Door, I used a single. Here is a wiring diagram. (not mine) I ran both circuits of magnetic contacts to the common GND terminal, pin/post #8 Circuit 1, I ran to DIGITAL INPUT #1 - Pin/Post #2 Circuit 2, I ran to DIGITAL INPUT #2 - Pin/Post #3 I'll follow up with the GCC setup tonight..
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11/12/2016, 09:06 AM | #2 |
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Let's place a float switch in our skimmer cup, and have it turn off the skimmer when float switch is UP.
<image placeholder - SKIMMER> In my example, I still use the same DB9 connector setup as shown above for simple pinout terminal. I picked up a slim, low profile float switch from Madison; model M3326: LINK: Here - amazon I also purchased a 6-ft. mono 1/8” mini plug to mono 1/8” mini jack shielded cable from Radio Shack as an extension w/ Quick Disconnect for the float. LINK: Here - Radio Shack I cut the cable about 8" from the plug side, stripped and soldered the wires. Since we recently moved, I couldn't locate all of my supplies, so white liquid electrical tape had to to, one of these days I'll re-splice and clean it up with heatshrink. I wired the Float Switch to the common GND terminal, pin/post #8 And to DIGITAL INPUT #3 - Pin/Post #4 Programming: 1. Enter GCC, and enable Digital Input #3 (or whichever you place it on) 2. Define a program. a. In my case, I delay my skimmer return on feed cycle, and some other items, as such we're going to use Programmable Logic to join a couple of statements. Pretty simple. Programmable Logic Manual: https://www.aquariumcomputer.com/dow...structions.pdf Here we are going to say in G7 - If G4 AND DI3 then enable the outlet The AND-function needs 2 inputs. The output is only ON if both inputs are ON 3. Assign the program to the outlet. Select Programmable Logic #(in my case 7 - for G7 used.) Let me know if you have any questions - be glad to answer or help you out with your specific setup.
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11/12/2016, 09:10 AM | #3 |
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It appears that I cannot edit the above post to add a picture.
So here is picture of float switch installed in my Royal Exclusiv Bubble King Double Cone 180
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11/23/2016, 10:24 PM | #4 |
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Had a few folks ask - Yes, you can use this for momentary or flip switches to manually enable feed cycles, start programs etc. Possibilities are endless.
If you have found a useful or just fun use case, feel free to share.
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11/30/2016, 10:50 PM | #5 |
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Great write up Marco!
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12/10/2016, 05:40 PM | #6 |
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I'm glad I added the floatswitch ... came home to a full cup the other day, after having been out of town for a couple of days.
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12/11/2016, 05:31 PM | #7 |
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Stuff like this is very useful, Marco, and helps us figure out how to make the best of a great system. Thanks!
I know Plux is powerful, it's a matter of figuring how to use what we have. |
12/12/2016, 08:45 AM | #8 | |
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Quote:
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04/14/2017, 12:26 PM | #9 |
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The two analog inputs, are they 0-10v ?
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