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§ SCOTTY AI V3 stops the BMG when an alarm is sent from the battery BMS and/or the BMS Charge Current Limit is reached and/or the BMS sends a reduced Charge Voltage limit indicating the battery is approaching maximum charge state. There is also a feature-in wire to stop charge. § SCOTTY AI V3 stops the BMG when temperature approaches setpoint set in APP protect the system from overheating. It starts to derate at maximum BMG temperature less 10C. Charging Control at 48V from 12V Starter Battery and factory alternator: § SCOTTY AI V3 drives charging either to the same connected 48V battery or an entirely independent 48V battery system using the in-built DC DC feature. If connected to the same 48V battery as the BMG then control is synchronised between the two units with exactly the same battery control and safety provisions. In this case the power output of the combined unit is maximised to approx. 10kW if the 12V factory alternator is 250A and above. The full functionality is described in the manual and supported by a configuration and real time monitoring app. This is a standard included feature. The high output 12V alternator is either factory provided or an optional after-market unit. § SCOTTY AI V3 can charge as described above from either a 12V starting system or a 24V starter and battery system. § SCOTTY AI V3 determines the optimum voltage and current charging parameters based on battery voltage, state of charge, charge current limit and temperature. § SCOTTY AI V3 changes charging parameters when the battery approaches maximum State of Charge; and/or the BMS Charge Current Limit indicating the battery is approaching maximum charge state. § SCOTTY AI V3 changes charging parameters should the user select “Soft, Medium, or Hard” from the optional touch display Power Control to either 12V or 24V starter battery and /or loads: § SCOTTY AI V3 delivers the lower voltage at a regulated maximum “camping voltage” set by the user in the App. § SCOTTY AI V3 can charge a low voltage 12V or 24V battery with a selected charge profile as an option selected from the App. This is reserved for when the BMG is only charging device. § SCOTTY AI V3 controls the maximum power set by the App at a controlled max voltage and discharges to a minimum voltage on the connected 48V side battery to prevent this battery from discharging completely. If the starter battery is connected, a 12V or 24V Smart Battery Protect unit (optional) prevents it from discharging completely. Fault Handling: § SCOTTY AI V3 displays fault codes on the connected App. § The status LED changes from pulsing green to red if a fault occurs. § Should the CAN or battery communication system fail, the BMG can operate in a limp home mode with minimal output yet enough to drive a 48-12V or 48-24V DC-DC to power an engine if the BMG replaces the single factory alternator.
Safiery Pty Ltd ABN: 87 624 588 807 45/8 Distribution Court, Arundel QLD 4214 (07) 210 22 55 3 safiery.com Confidential and Proprietary. Copyright Safiery Pty Ltd 2025 Scotty Ai is protected by International Patent
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