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BQMS Installation Manual
052319
2.3 Measuring Unit Module
The Measuring Unit (Module) relays connection between the CCU and battery cells. Each module is
powered by DC from the connected battery. There are different modules for cell/unit voltages in the
range of: 2V, 4V, & 12V. Modules are numbered and set at the factory prior to shipment.
Item
Description
①
Communication LED
– RX: Data receive indicator LED
– TX: Data send indicator LED
②
CH: Set Cell Quantity
Measured by Module
– OFF/OFF: (1) cell measured
– OFF/ON: (2) cells measured
– ON/OFF: (3) cells measured
– ON/ON: (4) cells measured
③
CAN ID
CAN ID dial, sets can ID number. (Ex. Module “14” would
have a can ID of dial 1 = 1 and dial 2 = 4.
④
CAN Communication Port
CAN communication port 1
⑤
Terminator Resistance
CAN communication terminator resistance, set to ‘ON’ for
last module only
⑥
CAN Communication Port
CAN communication port 2
⑦
INPUT
Current connection for Is Cable Harness (resistance
measurement)
⑧
V.SENSING
Voltage connection for VS Cable Harness
⑨
TEMP.
Temperature connections for Temp. Cable Harness
⑩
ON/OFF
Power switch