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VANNER
Owner's Manual
Incorporated
Introduction
Thank you for purchasing Vanner's High Voltage Distribution Module. We are confident that you will be
very pleased with its performance since Vanner products are designed and manufactured by skilled
professionals using the highest standards in workmanship. With minimum maintenance and care, you can
be assured of many years of trouble free service.
General Description
The Vanner High Voltage Distribution Module (commonly referred to as HVDM in this document) is an
efficient and highly reliable method of distributing high voltage, 400 to 800VDC, derived from a traction
battery system. The high voltage is distributed to two fused output channels via high voltage contactors.
The HVDM is also provisioned with pre-charge circuitry for each output channel. Pre-charge circuitry and
contactor closing/opening is controlled independently for each channel to allow for connecting and
disconnecting the individual loads.
The HVDM is controllable over a J1939 CAN (Controller Area Network) with additional discrete controls.
It will also monitor and control the two output channels and report their status over a J1939 CAN network.
The HVDM is provisioned with a two pin sealed connector for integration into the vehicle's high voltage
interlock system and a twelve pin sealed rectangular connector for CAN and discreet I/O signals.
Vanner High Voltage Distribution Module
OWNER'S MANUAL
3
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