SMA 485USPB-NR Interface Communication Card sun power business office or large RV

business office or large RV

diagnostic fees

They include high voltage and high temperature disconnect to safeguard against damage to electrical components

Original date of purchase on receipt from YouLoveSolar

SMA 485USPB-NR Interface Communication Card sun power business office or large RVThe RS 485 communication system is for those situations where a power line carrier won't work. When you have to link not just several inverters, but several Sunny Boy Controls, RS 485 is the tool to use. This current source bus line system allows simultaneous communication with many nodes to one central controller. And with its ability to link several Sunny Boy Controls the number of Sunny Boy inverters that you can control from one computer becomes