Battery Communications Integration Guide

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PowerSync 51.2V Lithium
No additional hardware is required to establish communication with PowerSync 51.2V Lithium
batteries.
• You will not need to make a custom cable for this setup.
Communications Installation and Setup Instructions
1. Set the DIP switches on the battery per the manual and your battery configuration.
2. Connect all batteries with the included short RJ45 cables, connecting each battery via
their RS485 ports.
3. Connect the master battery’s “CAN” port to the inverter’s “Battery CAN Bus” port (or to
the inverter’s “CAN” port for indoor-only units) using a standard RJ45 ethernet cable.
4. Turn on the batteries using the breaker labeled “Master Switch.”
5. Program the inverter with the appropriate charge/discharge settings for this battery.
6. Enable “BMS Lithium Batt” and set its value to “00.”
7. (Optional) Turn on “BMS_Err_Stop” if you wish for the system to fault on loss of battery
communications.