Pinout for Solarman WiFi stick/logger?

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Oldgreybeard
Posts: 1873
Joined: Thu Sep 09, 2021 3:42 pm
Location: North East Dorset

Pinout for Solarman WiFi stick/logger?

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Post by Oldgreybeard »

Does anyone happen to know the pinout for the DB9 connector used on the Solarman WiFi stick, please?

I'm reluctant to tear mine apart just to reverse engineer the connections, and want to make a plug-in replacement, using an Elfin EW11A unit I have coming. I'm pretty sure that there will be just power plus two RS485 connections available on that connector, so it would be an ideal way to connect and power the Elfin module.
25 off 250W Perlight solar panels, installed 2014, with a 6kW PowerOne inverter, about 6,000kWh/year generated
6 off Pylontech US3000C batteries, with a Sofar ME3000SP inverter
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