I’m getting very close to a working system, but still working through a few issues. I’m using the Baraki valve, and the v4.1 STD board.
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I’m not getting 12V out of the “Lock” output (pin 7) when auto steer is engaged so the relay for my 3/2 valves isn’t enabling. The board is seeing the steer switch status change, but I get nothing from the lock output. Am I missing a jumper somewhere? The “lock” output is a high-side drive output, correct? Do I need a free-wheel mod wire/jumper? I might probe around on Q9 next to see what’s happening.
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The Baraki valve I received has the 0-5V pressure sensor. I’m not clear from the schematics how to configure the board for that. Do I just install a 2-pin jumper (towards “pressure”) on the 3-pin header labeled “Remote/Pressure”? What’s the “0-20ma” 2-pin header for?
Full disclosure, I expected a pressure switch on the valve, so I wired my harness accordingly. I don’t have 5V to the pressure sensor yet, but was hoping to just bypass that for not so I could try autosteer. I’ll put aside my angst and wire up the 5V next. Maybe that’s causing me more harm than good.
Update: fixed issue #1. I was missing a fuse in my fancy wire harness for the supply to lock relay.
The 3/2 valves are getting enabled with the steer switch, and I’m getting power to the PWM solenoids. ~ 9 VDC @ PWM 180. Manual steering is locked out in auto steer mode (which is a good sign that the bypass valves are working).
However, I’m not getting any noticeable flow through the proportional solenoids to the steering cylinder. I can’t command the steering cylinder at all in auto steering mode. @baraki could this mean that somehow all my pressure relief setting is too low?
I’m still working on getting the pressure sensor wired up correctly
You know that there is a manual shuttle valve, on the valve block, that needs to be opened to work? It has a hex head, and we had to adjust it to turn the wheels. I think a sort of max steer valve, if I remember correctly.
Didn’t know that, though it seems obvious now that you mention it that it would have to be adjusted.
This one?
I think this is a pressure relief valve, #1 in Barakis schematic
I didn’t want to start tinkering with it until I knew exactly what I was doing
Yes I think, if I remember correctly.
I cranked that relief valve all the way in, and still no luck. I must be missing something. I’m going to post over in the active hydraulics thread, and hopefully get some more eyes on it.
