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08/22/2018, 04:39 AM | #1 |
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Join Date: Aug 2003
Location: Michigan
Posts: 1,150
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Apex Jr and PM1 ATO?
Can you tell me if the apex JR could be programmed if connected to a PM1 to read a digital input from a optical level sensor to turn on and off a dosing pump for top off? Also expand the function to read a second backup float switch in case of failure as well as programming a timeout and lockout if it ran for more than a specified time>? Pretty much a backup to the backup.
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08/22/2018, 07:45 AM | #2 |
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Location: WA
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Assuming the signal from the optical sensor is either 'on' or 'off', like the float switch, I'm pretty sure that will work. You'll also need a Breakout Box to plug into the i/o port of the PM1, but I believe that will work.
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08/22/2018, 10:22 AM | #3 |
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Location: Livingston, NJ
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No. The Apex OS-1 Optical Level Sensor only plugs into the Apex FMM unit. The PM1 unit has an I/O Switch Input for their Break-Out Box, but the Apex BOB can not be used with the OS-1.
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08/22/2018, 10:53 AM | #4 | |
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Quote:
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08/23/2018, 12:00 PM | #5 | |
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Quote:
I'm finding that optical sensors work well with clean water, like RO/DI, but perhaps not so well if they get coated with slime/algae. I have one that seems to fail more in culture water than the two float valves I have in other culture water applications.
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