COM port configuration for BlueSolar 75|15 under XP

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joeoffgrid asked Jan 11, '19

COM port configuration for BlueSolar 75|15 under XP

Hi there,

where can I find info on how to configure my COM port?

The aim is to connect with my laptop running WindowsXP.

MPPT Controllers VictronConnect windows

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Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

wkirby answered · Jan 11, 2019 at 04:16 PM

Baud: 19200
Bits: 8
Parity: None
Stop bit: 1
Flow Control: None

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Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

Modifications Space

Node Red Space

Answer 1 · 2019-01-11T19:59:00Z

joeoffgrid answered · Jan 11, 2019 at 07:59 PM

No successful connection with VictronConnect yet.

I am on pins 2, 3 and 5 for gound of my DE9 on the laptop.

The green LED is on constantly with a blink about every 5 - 10 s or blinking when I disconnect.

Any ideas welcome.

Cheers

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Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

Answer 2 · 2019-01-11T20:22:54Z

wkirby answered · Jan 11, 2019 at 08:22 PM

Wait. Have you connected the wires directly from the MPPT to the DE9 on the laptop?

The DE9 is RS232, the MPPT is 5V TTL. You need an RS232 to TTL converter like a MAX232 inbetween! Ideally you'd have a digital isolator too, like a SI8422

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Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

joeoffgrid commented · Jan 11, 2019 at 08:49 PM

Ah ok. Sorry, I was not aware of that.

Thank you.

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joeoffgrid joeoffgrid commented · Jan 11, 2019 at 08:51 PM

Looking for a USB toTTL device then.

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Answer 3 · 2019-01-11T21:00:48Z

wkirby answered · Jan 11, 2019 at 09:00 PM

Something like this will do:

https://www.ebay.co.uk/itm/RS232-To-TTL-Converter-Module-COM-Serial-Port-Board-MAX3232-MAX232CSE/273074114464?epid=4015132030&hash=item3f947c4fa0:rk:1:pf:0

This is my ghetto cable that I occasionally use:

img-20190111-205510.jpg (219.7 KiB)

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Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

joeoffgrid commented · Jan 11, 2019 at 09:16 PM

You really need the full 15M :D

I will look into USB to TTL then. Just realized that I have no DSUB on my non-XP machines and VictronConnect for XP is really outdated.

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