This version is outdated by a newer approved version.

This version (2025/04/16 10:31) is a draft.
Approvals: 0/1The Previously approved version (2025/04/16 08:15) is available.

This is an old revision of the document!

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 or BM-SM	BTMS String master	1 × BM-SS or BM-SM 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
TM-C-A1	BTMS Controller set	1 × BM-C-A1 for up to 32 strings	Consisting of BM-MC, CAD-232-A2-IQ and software
CAD-232-A2-IQ	BTMS COM converter	1 × BM-CAD per BM-HMI	They require BM-MC
COM-PGM	BTMS COM module	1 × BM-COM for up to 16 BM-CS	For more than 16 BM-CS (up to 32) use 2nd BM-COM
BM-LC	BTMS IO expansion module	1 × BM-LC for up to 8 strings	They require BM-MC
11.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 and BM-COM
12.bm-hmi	BTMS Human-Machine Interfaces	1 × BM-HMI for up to 32 strings	They require BM-C-A1 (BM-MC + BM-CAD), 1 per BM-C-A1
13.bm-ag	BTMS IOT Aggregator	1 × BM-AG per Data center	Needed when there are multiple BM-GWs on the Data Center
TH-MC	Temperature and humidity monitoring Master controller	1 × TH-MC for up to 120 temperature-humidity sensors
TM-C-A1	Temperature and humidity monitoring Controller set	1 × TH-MC for up to 120 temperature-humidity sensors	Consisting of TH-MC, CAD-232-A2-IQ and software

System limitations

Device	Supports up to
BM-AG	unlimited BM-GW
BM-GW	32 × BM-SS, 1 × BM-MC
BM-MC	32 × BM-TH, 4 × BM-LC, 1 × BM-HMI
BM-SS or BM-SM	120 × BM-CS

Standard cabinets

BTMS Cabinet	14.bm-ca

Table of Contents

Hardware

System limitations

Standard cabinets