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Hardware

Code	Description	Quantity	Note
Basic	Required for basic functionality
BM-GW	BTMS IOT Gateway	1 × BM-GW for up to 32 strings	All strings of one UPS should be on the same BM-GW
BM-SS	BTMS String master	1 × BM-SS for each string
BM-HS	BTMS Hall sensor	1 × BM-HS for each string	Choose the type based on the maximum string current
BM-CS	BTMS Cell sensor	1 × BM-CS for each battery	Choose 2, 6 or 12 V sensors depending on the battery voltage
PS-60-24	BTMS Power supply	1 × PS-60-24 for each BTMS	One power supply can power several devices, if there are fewer of them than allowed according to thespecification. Checks against the total consumption of powered devices.
PS-30-12	BM-GW Power supply	1 × PS-30-12 for each BM-GW
Optional	Depending on requirements
BM-MC	BTMS Master controller	1 × BM-MC for up to 32 strings
BM-C-A1	BTMS Controller set	1 × BM-C-A1 for up to 32 strings	Consisting of BM-MC, BM-CAD and software
BM-LC	BTMS IO expansion module	1 × BM-LC for up to 8 strings	They require BM-MC
BM-TH	BTMS Temperature and humidity sensor	1 × BM-TH for every string	They require BM-MC
BM-GS	BTMS Insulation monitoring sensor	1 × BM-GS for every string	They require BM-MC
BM-HMI-BM	BTMS Human-Machine Interfaces	1 × BM-HMI-BM for up to 32 strings	They require BM-C-A1, 1 per BM-C-A1
BM-AG	BTMS IOT Aggregator	1 × BM-AG per Data center	Needed when there are multiple BM-GWs on the Data Center

System limitations