Middlesex County, Ontario | Hey Jason, I think it'd be best if you were able to post some pictures of your wiring diagram or how you have things connected.
It looks like an MT-3000 has 3x toggle switches in the control box for section control.
I paged through the manual but there's not much information listed.
Picture 1: How I assume the MT-3000 works internally. You can see the coloured signals on the output side of the switches that travel to the computer for rate control calculations.
Picture 2: It is safe to wire this way no matter if my assumption is right or wrong, all you're doing is putting relays in parallel with switches.
Picture 3: It may be safe to wire this way, A Raven 440 is ok to wire this way. Obviously back-feeding has some potential for things to go wrong. If you have a current limited power supply then I would try it.
Edited by WildBuckwheat 3/16/2024 13:48
 (Assumption (full).png)
 (Parallel relays (full).png)
 (Backfeed (full).png)
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 Assumption (full).png (23KB - 62 downloads)
Parallel relays (full).png (29KB - 56 downloads)
Backfeed (full).png (29KB - 53 downloads)
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sprayer rate control with some boom valves off, section control
