(Variable) Rate control

I made an Rc8 board. It does not switch on the relay board. Md13s works. What should I change?


Did you set up the sections?

Here is a newer version of the rate app and ino file. The ino file can be installed with the PCBsetup app. Release update config, change menu, edit I/O driver file · SK21/AOG_RC · GitHub

I uploaded the new rate app and the rc nano ino file. I played with it morning, but it didn’t work. The mode is constantly red.
I tried again in the evening and it worked. I wonder why.
What do you change with module time and sensor time and min upm? My further questions are: 200 l /ha, if I want to spray proportionally, what should I set for this?
Which flowmeter do you recommend: I can buy Arag (orion) or polmac type
https://polmac.it/catalogo/en/polmac-flussimetri/rapid-check-versione-radiale

my settings:

rc8 agopengps - YouTube

On the Arag page it shows a chart with the number of pulses per litre for each flowmeter. This is the number you enter on the Product rate page “Sensor Counts/Unit”. But I think it outputs 12V. This will not work with the pcb, it needs a 5V signal. Once you find a flowmeter, enter its counts/unit and 200 for “Base Rate”.

Hello SK21 and Kovari;
Arag usually uses 250 pulses/liter, that means 1 liter flow when it receives 250 pulses, magnetic flowmeter is 2 times more expensive than turbine flowmeters, but the advantage is that it does not need to be cleaned frequently because there is no turbine and the error rate is lower, I used both arag and polmac, magnetic and I used it with turbine, if the price difference was small, my choice would be magnetic, but the price difference is large, I am sending you the latest Polmac model that I bought and I am satisfied with, and the delivery times seem very long. I used optocoupler for 5 volt signal output in Arag, but when I used optocoupler in polmac I couldn’t get the pulses, and in polmac it worked fine without optocoupler.

https://polmac.it/catalogo/en/catalogsearch/result/?q=00375804
https://polmac.it/catalogo/en/catalogsearch/result/?q=41300399.2AM

image

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I installed an Arag Wolf flowmeter. The system worked well in Sim mode. I tested it at work today. When I started spraying new ground, after 5 seconds, Mode turned red. The RC port is disconnected from the system. And I couldn’t reconnect.

Are you using usb or ethernet? Are you using PCBsetup? Check the module ID # is correct. It has to be set in the nano firmware and in the rate app. Uncheck simulation mode.

Im currently assembling an RC8 PCB. I ordered the box from the BOM. Does anyone have any pics of how your boards are secured to your box? Box mounted on a rig? Thanks again to @SK21 for the design and support!

I just put a tin or plastic bottom in the box and used M3 standoffs for the pcb.

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The serial com port on the tablet did not work properly. I use it on USB. I installed another one.
I have a few questions: Which one should I change in the control type? Which one should I choose in the variable rate?

Are these values ​​good in the conrol settings?

what should be the minimum upm? Which one should I use for the switches?

The md14 panel is constantly switching to one side, even in a standing position, is this normal?

Great video!

There are 3 control types. Motor - for driving a hydraulic motor to control a metering roller in granular application. Combo Close - is used for adjusting the rate and also for stopping the flow such as a Raven Fast Close NH3 valve. Standard - just adjusts the flow.

It is variable rate ready for AOG to provide the info. The code is not in AOG yet.

As long as the rate isn’t fluctuating a lot the settings should be fine.

Minimum upm is the lowest flow rate that still gives a good spray pattern. If you are going slowly the auto rate may reduce the flow rate too low. If this is a problem you can raise the minimum upm, if not it can remain at 0.

" Which one should I use for the switches?" Do you mean pcb? It is here: AOG_RC/Modules/SwitchBox at master · SK21/AOG_RC · GitHub

I am not sure what the md14 panel is.

hi,

kentSuff, how to update your program with the latest agopengps update?

I have not built it into the latent version. I’m waitingon the official big release running all UDP. I’ll make the conversion then.

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I set the minimum upm higher, it got much better. Works well. One more problem is when I reduce the speed the pressure goes down and I return to the speed again, it doesn’t raise the pressure again. Then udp target and udp applied are almost identical. When I stop completely and then start, it raises the pressure and works well. What makes this possible? md13s cytron panel. In manual mode, when I use the sprayer without rc8, I apply the pressure manually via md13s. it would be fine for me if you don’t have the Md13 pwm signal if the aog is not turned on in the aog. I hope I have described it understandably.

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It will adjust the md13s in manual mode with the rate up/down. The code could be changed to work with aog disconnected.

As for the rate does it always fail to adjust when you slow down and speed up?

I made an Rc5 board. It does not switch on the relay board. On contacts mcp23017 always about 5v. What should I change?

Are you using the relays on the pcb or an external relay module?

I have a board from the days of AOG 3, the circuit is similar to rc5. I assembled a pc8 circuit without a relay, it does not work either. Today I uploaded a simple LED control sketch for arduino and mcp23017. everything works as expected.



App Rate Controller started. Arduino connected to com port 3. In the rate controller app there are 8 sections of 200cm each, in the diagnostic window I see how the image of the sections turn on and off but the relays themselves do not react