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BQMS Installation Manual
052319
5.4 Clamp Installation
Parts:
C-Type/O-Type clamps, Clamp Covers (optional)
Tools:
Phillips screwdriver
The BQMS includes clamps for installation to the inter-cell connections of the battery system. There are
two clamp types:
C-Clamp:
Screws on to the battery bus bars or terminal plate.
O-Type:
Penetrates into the cable connections via (2) screws
The purpose of the clamps to provide a non-intrusive, fused connection to the battery system for
measurement. The fuses are housed on a small PCB on each clamp. The placement of the clamps is
based on the PCB type. There are two types of PCBs:
Voltage (referred to as “Vs”):
Houses a 1A fuse only for voltage measurement only.
Current (referred to as “Is”):
Houses a 1A fuse for voltage measurement in addition to a 3A fuse for
current.
Clamp Type
PCB Type
C-Type
for Bus bar
O-Type
for Cable
Voltage:
(Vs)
(1 fuse)
Current:
(Is)
(2 fuse)
5.4.1 Prepare for Connection
1.
Organize clamps based on type and verify all clamps are present.
2.
Reference the provided Cable Map to determine where each clamp is placed on the system.