Safiery Solid State Lithium Battery Operating Manual V5.1

Safiery Solid State Lithium Battery

CAN Bus Battery Management System (BMS) Protocol

1. General CAN Specifications

CAN Frame Format: Standard 11-bit identifier (CAN 2.0A) Bitrate: 250 kbps Termination: At least one CAN bus termination is required; built-in termination in the solid state battery Isolation: Battery CAN ports are isolated; minimum required wiring is GND, CAN-H, and CAN-L

2. CAN IDs: Messages from BMS to Inverter/Controller

Alarm/Warning Encoding for 0x35A

Bit pairs:

00 - Not supported 10 - Active 01 - OK

11 - Reserved

Note on CVL/CCL/DCL Strategy

Do not send CCL = 0 to stop charging. Instead, reduce CVL . DCL = 0 disables discharge entirely. Use dynamic CVL adjustment to avoid overvoltage or unintentional discharging.