Inverter Start-Stop Controller

Author	Message
Solar Mike Guru Joined: 08/02/2015 Location: New Zealand Posts: 1207	Posted: 02:38am 19 Apr 2026       Pete, the last inverter build I did was a 24v system and I used those 24v plugin Omron timers as I had a box of them 30 years old sitting in the shed. They worked great; however this build is for a 3 bank 48v system, so the timers would require another psu to run them, or I could purchase 12v versions. We used to use those timers in Mains\Diesel generator main switch boards where commercial ancillary logic voltages are 24v. I try to standardize all DIY ancillary electronics to run off 12v, this coupled with logic to interface to 3 BMS's and the inverter front panel switch, seemed easier to just design a PCB for the job and do the timing logic in software, plus its re-usable for the next inverter project. Cheers Mike