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Replies: 7 comments
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What RPi are you using and which USB adapter? Try another power supply and see if the issue persists. Have you had any electrical storms recently? Running a cable from the pad to the home can act like an antenna causing damage at both ends from electrical surges. |
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so I bought the Serial-To-Usb adaptor so long ago I'm not sure, but it was the one recommended at the time. there are no markings on it whatsoever... just a usb plug with 5 tiny screw terminals. RPi is 4 , and yes to electrical storms lately. As I said, I'm already working to replace the mobo since the COMM port has been fried... but not quite sure how to check the other serial devices to see if they've been damaged. Once I get the new mobo in, I will start with the remote 1st.... and from there move on to the usb-to-serial connector/RPi/software setup. I understand it's impossible to say for sure what happened... and that the Pentair remote and the Pi have sustained some damage is absolutely not out of the equation. FYI, the serial wire from the panel to everything else is only about 6' outside... the rest is in the garage attic.. But will look at ways to make the outside part even shorter. For the record, I HAVE put the usb/serial device into other computers, and none have complained which leads me to think my RPi has been damaged... or at least the USB port this was connected to has been fried. ALSO-- the RPi is powered by PoE and I've moved a few things around on the switch and the results are the same. I DID just try putting the adaptor into a different port on the RPi, and did NOT get the Overcurrent message, but it got hot. REALLY hot. I've already ordered a replacement for it as well, but just not sure what to test first once the new mobo comes in...... |
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Thanks for clarifying your setup, you probably have either the Gearmo or Moyina USB adapter. If there was an electrical surge it and/or RPi might have been damaged, but they're cheap to replace. Do you have an IntelliTouch i7 or i9? They both have dual RS-485 connectors, do you know if they're both inop? There is a member on TFP that does board repair for damaged comm chips in both the OCP and ICP. You can also add inline RS-485 surge suppressors (like SerialComm ISO-485-P) for your cable run. I use an Elfin adapter to bridge the RS485 over wifi to avoid a cable run, but that might not be practical if you also have an ICP. |
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so its an Intellitouch 4 panel. and I did read somewhere about the 2 RS-485 connectors, but the COMM port is the only one I see with connections for 4 wires... there is a port listed as for an IS4 remote and has 6 wires, including 1R, 2Y, 3G, 4B...but never considered that as a possibility. If it IS, I'll temporally connect the remote and that will tell me a LOT. I'll look into the surge protector, but the USB/Serial device I have ordered has some kind of built in isolation(or at least AI says so.....). I did find a replacement board on eBay for under $200, and it should be here in a few days... but it's eBay so who knows.... Regardless, I may consider having the current one repaired by the TFP guy... But for the moment.. one thing at a time.. THANKS for all your help and suggestions... |
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Then you only have a single RS-485 connector. The IS4 remote is for the spa-side remote control, not for RS-485 devices. Good luck with the replacement board. |
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so one question about the SerialComm ISO-485-P...... I only see 3 terminals on each side... and since I only connect Y-G-B to the USB to Serial device which then connects to the RPi, I assume those would be the 3 wires I'd connect to this device? Am I correct? 2nd... the serial run also connects to a Pentair indoor Control (Pentair 520548 I think...) but requires the R to be connected for power. So assuming I'd just bypass the SerialComm ISO-485-P with the R wire to power that device? But does that leave the R connector open to damage on the mobo from lightning? Again.. THANKS for your help and support ..... |
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RS-485 surge arrestors only protect the data wires, the other wire going to ground. Regarding VDC/GND wires you should probably reach out to SerialComm Support to get an answer on that. You'll also need these at both ends of the cable run, i.e. OCP and ICP. |
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So have been using this software for years and everything has been great. But I'm 99% sure the COMM port on my Intellitouch panel has gone south. The Remote Control panel say NO COMM, and when I page to the SWG page on the main panel, I get the same message. Disconnected stuff, reconnected only 1 thing, and used AI to run a few tests, and the COMM Port seems to be the issue.
BUT... while this was going on, I had a strange message on the Raspberry Pi running the NodeJS PoolController software, which was "USB Overcurrent", so started investigating this. Found out that even with no wires connected to the Serial-USB converter, I still got the same Overcurrent message on the PI. I don't know enough about how the Pi works, but does this indicate that my Serial-to-USB converter has also gone bad? Or is this somewhat expected behavior?
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