ESS Compat

Deye SUN-6K-SG03LP1-EU + Pylontech US5000

Closed-loop compatibility, protocol setting and cabling. Best status: verified closed loop.

Field-sourced data. Verify against the current official manual and firmware before commissioning — a wrong setting can damage equipment.

CAN Verified closed-loop confidence: high
Protocol
Pylontech CAN
Inverter setting
Batt Mode = Lithium; Lithium Mode = Pylontech setup number from Deye's Approved Battery List; BMS1 pin4=CAN-H, pin5=CAN-L
Battery / DIP
Master US5000 A/CAN → Deye BMS1 (pin4/5); route RJ45 through the supplied ferrite; DIP all 0

Cable

Deye ↔ Pylontech (RJ45 CAN cable, pins 4/5)

500 kbps CAN

Set Lithium Mode to the exact Pylontech code for your firmware.

Known errors

CodeCauseFix
F58 Battery_comm_Lose Inverter↔BMS comms lost Check the CAN cable/pins; verify the Lithium Mode code

Sources

Get the right parts
Comm cable / adapterUS5000SUN-6K-SG03LP1-EU

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