This SMA Communication device is a Piggyback Card for TLUS-12 and US-12 inverters allowing connection to Sunny Webbox for connection to internet and Sunny Portal for inverter monitoring.
For each Sunny Boy either inverter or contolers linked in a control chain we need a RS485 Module. This busline communication system allows simultaneous communication with many nodes to one central controller. And with it’s ability to link several Sunny Boy Controls the number of Sunny Boy inverters that you can control from one computer is virtually infinite.
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