@engrfasco: How to communicate a Felicity inverter with a Cworth battery, use a custom RJ45 cable to connect the battery's CAN/RS485 port to the inverter's BMS port, configure the battery's DIP switches (usually position 1 for single battery), set the inverter's battery type to "Lib" or user-defined, and set the protocol to match the battery. Step-by-Step Communication Setup: 1. Physical Connection (Cable Configuration): Use a CAT5 or CAT6 cable. You may need to modify the pinout. For many Felicity/Cworth systems, the wiring is often: Battery Port 1,2,4,5 to Inverter Port 5,4,2,1 (CAN or RS485). Ensure the cable is connected to the CAN/RS485 port on the Cworth battery and the BMS port on the Felicity inverter. 2. Battery DIP Switch Setting: Open the battery's DIP switch cover. For a single battery, set the first DIP switch to "ON" (up) and others off. If using multiple batteries, configure them in parallel, assigning unique IDs and activating the "terminator" switch on the last battery. 3. Inverter Settings (LCD/App): Long-press the ENTER button to access the settings menu. Setting 08 (Battery Type): Change from AGM/Default to "Li" or "LIb" (Lithium). Setting 16 (BMS/Protocol): Select "BMS" or input the specific protocol number required by the Cworth battery, often 2 or 3 for compatible systems. After making changes, the inverter may restart, and a "LI" or "C" icon should appear on the screen, indicating successful communication. 4. Verify Communication: Check if the inverter displays the battery's state of charge (SOC), voltage, and current, rather than just voltage. Ensure that parameters such as bulk charging (e.g., 57.6V) and floating voltage (e.g., 57.6V) are correctly set, or managed by the BMS. Key Considerations: If BMS communication fails, set the inverter to "User-Defined" (USE) and manually set the low DC cutoff to 48V. Ensure that the BMS settings on the battery are set to match the communication protocol. #creatorsearchinsights #felicity #cworthenergy #communication #solar

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Monday 11 May 2026 14:05:55 GMT