Specification of BMS for ESS_copy20220926

BMU Module
Category	Item	Specification
Working environment	Temperature	Operating temperature：-20～+65°C		Storage temperature：-40～+125°C
Working power	Voltage/Power consumption	Rated voltage：9～32Vdc（reverse connection protection）		Rated power consumption: 120mW (without load)
Communication	CAN	Support 1-channel non-isolated CAN		Communication rate: 250kbs
Collection	Cell voltage collection	Collection range: 0～5V	Collection resolution: 1mV	Collection accuracy:	Collection rate：100ms	Electrical isolation:
				+10≤t≤+45 °C, the accuracy ≤5mV;		4149Vdc/2934Vac (8mm)
				-40~≤t≤125°C, the accuracy ≤8mV
	Cell temperature collection	Collection range: -40～+125°C	Collection resolution：	Collection accuracy:	Collection rate：200ms
			0.1°C	-20≤t≤+65°C, the accuracy≤1°C;
				-40≤t≤+125°C, the accuracy≤2°C
Cell equalization	Cell equalization control	Support 24-channel cell passive equalization		Equalization resistance: 33Ω	Equalization temperature rise：≤45°C

RCU Module
Category	Item	Specification
Working environment	Temperature	Operating temperature：-20～+65°C			Storage temperature：-40～+125°C
Communication	CAN/RS485	Support 1 isolated CAN and 1 non-isolated CAN			2 isolated RS485
Collection	Total voltage	Collection range: 0～1500V	Collection resolution: 0.1V	Collection accuracy:		Collection rate:	Electrical isolation:
	collection			Total voltage <1000V (≤±1%FS)		100ms	4149Vdc/2934Vac (8mm)
				Total voltage ≥1000V (≤±0.5%FS)
	Total current	Collection range: ±1200A	Collection resolution: 0.1A	Module circuit collection accuracy: ±1200A, accuracy ±1%FS		Collection rate:
	collection	Collection range: ±1200A	Collection resolution: 0.1A	Module circuit collection accuracy: ±1200A, accuracy ±1%FS		200ms
	Insulation collection	Collection range: 0～10MΩ	Collection accuracy: accuracy≤3% (500V～1500V, ≥600KΩ)		Collection rate: 60s
	Insulation collection	Collection range: 0～10MΩ	Collection accuracy: accuracy≤3% (500V～1500V, ≥600KΩ)		(adjust according to the Y capacitance value of the PCS device)
	Temperature collection	Collection range: -40～+125°C	Collection resolution: 1°C		Collection accuracy:		Collection rate:
					-20～+65°C, accuracy≤1°C;		200ms
					-40～+125°C, accuracy≤2°C
Monitoring capability	1 RCU module can max. manage 32 BMU modules

SCU Module
Category	Item	Specification
Working environment	Temperature	Operating temperature：-20～+65°C	Storage temperature：-40～+125°C
Communication	LAN communication	Communication rate: 10M/100M	Electrical isolation: 3000Vdc
	CAN communication	Communication rate: 250kbs	Electrical isolation: 2500Vdc
	RS485 communication	Communication rate: 9600kbs	Electrical isolation: 2500Vdc
	RS232 communication	Communication rate: 9600kbs	Electrical isolation: 2500Vdc
Storage	Data record	On-board eMMC storage space: 8G	External expansion TF card storage space: 0～128G
Insulation	Communication	LAN：3000Vdc	CAN/RS485/RS232：2500Vdc
Monitoring capability	1 SCU module can max. manage 30 RCU modules

MM10 Module
Category	Item	Specification
Working environment	Temperature	Operating temperature：-10～+60°C	Storage temperature：-20～+70°C
Working power	Voltage/Power consumption	Rated voltage：9～30Vdc	Rated power consumption：10W
Communication	LAN	1 isolated LAN	Communication rate：10M/100M
Basic parameter	micro USB port	Support 1-channel micro USB for system programming and ADB debugging
Basic parameter	Screen	10.1 inch display	Capacitive touch screen
Storage	Data record	eMMC storage space：8G	TF card storage space：0～128G
Hardware parameter	CPU processor	RK3288/4 core frequency 1.6GHz
	Run system	Android 7.1
	GPU	ARM Mail-T764