Sorry Howie, I now see you were specifically asking about inverter/charge
controller combo solutions. I should have caught that detail. Still seems as an
easy workaround though if for some reason the inverter manufacturer failed to
isolate the 12v output independent of the AC output LBCO.
The 48v to 12v DC converter approach should be immune from the inverters LBCO
since it lives on the battery side of the inverter/bus. I’ve done a few systems
using Tigo’s without issue. The main concern is you now have a DC load attached
to the battery output lacking DC load protection that
With the Sol-Ark (or other DC coupled inverter/charge controller
combinations such as the Envy), will the system pass through solar power if
the inverter has turned off on LBCO? If not, then these alternative methods
for powering the RSD signal generators won't make a difference, correct?
And does
I second using the 48v to 12 v DC DC converter. I've had success with
that, and avoided the issues Jeremy mentioned.
Ray Walters
Remote Solar
On 2/17/2024 9:35 AM, Bradley Bassett via RE-wrenches wrote:
I powered a MidNite LSOB transmitter from a Classic AUX, though the
receivers didn't work
Hi Jeremy...
The Classic AUX outputs will put out about 13 volts and allow up to
about 200 mA maximum.
That might be enough to power the transmitter. That is only about 2.5
watts so might not work
directly.
boB
Docked at Trinidad/Tobago today. Great sun here. Have only seen one PV
I powered a MidNite LSOB transmitter from a Classic AUX, though the
receivers didn't work with the Classic. The Classic is limited to 200ma
output and the Tigo and APS transmitters are rated at up to 800ma input, so
it might overload the Classic AUX output if they really do draw that much.
I
Has anyone successfully used a MidNite Classic CC to power a Tigo Rapid
Shutdown Transmitter in an off grid setting ? Specifically using the 12v Aux
output to keep the PV circuits alive instead of relying on the inverter AC
output to do this.
Think of this scenario. Batteries reach LBCO,
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