Solar-Log 220020 Special Piggyback RS485 for SMA Inverters
220020 Special Piggyback RS485 for SMA Inverters
The Special PiggyBack (RS485) is an inexpensive alternative to the standard SMA PiggyBack (RS485) and facilitates communication between the SMA inverter and the Solar-Log . It can only be used in conjunction with the Solar-Log . The Special PiggyBack needs to have its voltage supplied by the Solar-Log . Therefore, it must be made sure that the connecting cable has a sufficient wire diameter to allow a voltage of at least 8 V to reach the PiggyBack.