Eltek Flatpack2 Manual: Tips and Tricks for Optimizing Your Power Efficiency

In this diagram, the CAN connection on the Eltek charger is connected to either the CAN1 or CAN2 interface on the Orion BMS. A CANBUS requires exactly two 120 ohm termination resistors at the physical ends of the BUS. Unless the Orion BMS was special ordered with a different configuration, the Orion BMS has an internal termination resistor on the CAN1 interface and no termination resistor on the CAN2 interface. At the time of this writing, the Eltek charger does not have an internal termination resistor. Please see the wiring manual for more information about proper termination of the CAN bus and for wire length limits for CAN nodes. The Eltek charger may be connected to either of the CAN interfaces on the Orion BMS (CAN1 or CAN2.) The Eltek charger comes configured by default to operate at the 500kBps baud rate, although it can be configured for other frequencies by using the Eltek charger utility. Either CAN interface on the Orion BMS can be changed to operate at different baud rates baud rate. All devices on a CAN bus must operate at the same frequency, so if the BMS is integrating with other devices requiring a different frequency, it may be necessary to put the Eltek charger on one of the CAN interfaces and the other devices on the other interface to accommodate both frequencies.

Eltek Flatpack2 Manual

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