SECTION 2 - SERVICE PROCEDURE
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CAN BUS Communication
The battery pack has a CAN BUS line that connects the
BMS to the Battery charger and Inverter. This CAN BUS
System is connected to the CAN BUS machine system.
For 1st & 2 Gen - Unique CAN BUS cable for machine and
lithium system, as connected together.
For 3rd Gen - 5 CAN BUS lines. The CAN BUS cable number
4 is for lithium system.
CAN Bridge Box (X700AJ and X23J only)
The CAN Bridge Box is installed only on the 72 Volt Battery
Pack. The function of the CAN Bridge Box is to link
machine system CAN BUS cable with Lithium Battery pack
CAN BUS cable to avoid too many messages in the CAN
network. This reduces the possibility of wrong messages.
The CAN Bridge Box is an opto-isolator component that
supplies electrical signal between two isolated circuits by
using light.
NOTE:
ECM1-2 supplies power to the CAN Bridge Box. If the
Machine is OFF, the CAN Bridge Box will not func-
tion.
MAF11870
Figure 2-38. CAN Bridge Box (X700AJ and X23J only)
NOTE:
On 2nd Gen X23JP /X700AJ only and on 3rd Gen all models is
not possible read data of the lithium system with the machine
OFF. On 1st & 2nd Gen all models (Except the X23J/ X700AJ)
even with machine OFF it is possible read data from the lithium
system once the battery charge is ON.
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