Master Slave Manual - REC

Rozna ulica 20, 6230 Postojna, Slovenia e-mail: 1 BATTERY MANAGEMENT SYSTEM Master Slave configuration Features: - robust and small design - Master + max 15 Slave combination (max 225 cells) - single cell voltage measurement ( V, resolution 1 mV) - single cell - under/over voltage protection - single cell internal resistance measurement - SOC and SOH calculation - over temperature protection (up to 8 temperature sensors per Slave ) - under temperature charging protection - passive cell balancing up to A per cell with LED indication - shunt current measurement (resolution 10 mA @ 300 A) - 3 galvanically isolated user defined multi-purpose digital inputs/outputs - 4 programmable relays (normally open and normally closed option) - 12 V galvanically isolated supply ( 15 V) - galvanically isolated RS-485 and CAN communication protocol - error LED + buzzer indicator - internal battery powered real time-clock (RTC)

MASTER – SLAVE CONFIGURATION 4 www.rec-bms.com Slave Unit Connection Table Table 2: Slave Unit connection table. Pins Connection Description

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