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05/19/2017, 06:35 PM
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#1 |
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Registered Member
Join Date: Mar 2010
Location: Downingtown,PA
Posts: 1,062
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RKL need to connect 2nd PC4 to operate Main DT retro lights
Hello,
I have been using RKL since I got it used in 2013. I never updated firmware since then , it works just fine! I have the headunit, connected to a PC4 via cable. PC4 operates 4 things dosers, fuge lights...etc. Can I add another PC4 like this? I am getting it used here in RC. http://www.digitalaquatics.com/saltwater/modules/pc4/ Do I just need one 6ft bus cable to daisy-chain from the current PC4 to new PC4? How to connect this ?! Can I control 8 outlets via the current headunit? Will I see 4 extra channels ( ie 8 total)?... http://www.digitalaquatics.com/saltw...bus-cable-kit/ Pls advise  thx..Kris
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156g Oceanic Mixedreef,100g Sump Current Tank Info: 156 g mixed reef |
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05/19/2017, 09:36 PM
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#2 |
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Registered Member
Join Date: Dec 2015
Posts: 48
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With RKL you only can have 4 modules connected to head unit. So as long as you don't have all 4 you can connect another pc4. If you have 4 and trying to connect pc4 you will have to disconnect something
Sent from my iPhone using Tapatalk |
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05/19/2017, 10:08 PM
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#3 | |
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Registered Member
Join Date: Mar 2010
Location: Downingtown,PA
Posts: 1,062
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Quote:
So why is there provision to connect daisy chain style from pc4 to another? So I can never connect 2 main lights,2 fuge light,2 dosers each on its separate timer ie 6 of them 
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156g Oceanic Mixedreef,100g Sump Current Tank Info: 156 g mixed reef |
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05/20/2017, 04:18 AM
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#4 |
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greybeard
Join Date: Jun 2007
Location: MD
Posts: 893
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You can attach up to four modules. Download the user manual from the site, it provides all the details and connection cable requirements. I run three pc4 modules for lighting, pumps and whatnot, and an SL1 (I think) for temperature control.
Sent from my SCH-I545 using Tapatalk
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The true sign of intelligence is not knowledge but imagination. Albert Einstein Current Tank Info: 360 degree walk around 300 DD island–4 300W & 2 165W ViparSpectra, 4 Kessil A350W, 2 A360WE, 3 XF150, 1 XF250, 1 XF350 Gyre along with 2 PP40 and 2 IceCap 3K gyre for robust current. Basement 150 gallon RubberMaid sump, SKIMZ skimmer, DCP18000 |
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05/20/2017, 11:11 AM
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#5 | |
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Registered Member
Join Date: Dec 2015
Posts: 48
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Quote:
You can connect 4 pc4s which will give 16 controleble outlets to RKL if you want. But not more. If you need more you have to upgrade to RKE. Then you can connect a lot more. |
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