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Hi you need to send the percentage every 0.5 second. it will stop being remotely controlled after few seconds of not getting the packet with the setting. you may also just put it on a dedicated rs485 bus.

  Instead of coding the software in python, c or something else I use rexcontrols (just add the dot com as I can't post links). So basically it is turning the raspberry pi into a programmable logic controller (used to do industrial automation). It is much easier to program that kind of thing...

You will not get anything unless you send the ping or the control frames to set output.   That's the other reason it made it hard to find. I used realterm (freeware) on windows to send the hex packet (just need to put 0x10 or $10 format in the send window) and I was able to get the reply. I then...

Sure I do so setup is my laptop or the raspeberry pi connected with the GND, TX+ and TX-. I also connect +10.7v between gnd and power. One thing try to invert the TX + and -. I had it wired opposite by mistake couple of times. When there is traffic you notice it as data is strange. If you are...

It took a lot of time and it's so simple finally. Just that the difference of speed made me loose a lot of time. I think that it worked with both one or 2 stop bits. I do not have the option to set the start bit in my terminal. I coded the string and receive with the rexlang (using the...

Yes I have seen that one too but I was not getting the 10 02 50 string because of the difference in baud rate (everything was ok at 19600 except the other packets for the chlorinator). So I was thiking that there might had been some difference with the way the Oncommand was talking to it.  ...

Hummm got it... Weird product this thing!  The whole bus is running at 19200 BUT when it goes to the chlorinator it sends at 9600!!!  So no wonder why it looked so weird!  When I was setting at 9600 I had just junk or almost. At 19200 it's working well but the packet for the Chlorinator and from...

  Hi,   Yes I am getting traffic. My setup is Hayward OnCommand connected with the Hayward Aqua rite chlorinator by RS485. My pump is simple two speed pump without any data control (so connected via 2 relays).   I did a capture with the LCD pannel disconnected from the OnCommand so there is less...

Hi, I also have the Hayward Aqua rite connected to my Hayward Oncommand with the rs485. So I can control it and get status. I tried to decode the data on the bus but it looks like it's not following the 10 02 .,, 10 03 start and end. Have you been able to control the Aqua Rite via rs485? I want...