ELECTRICAL SYSTEM MLC165-1 SERVICE/MAINTENANCE MANUAL
3-2
Published 05-26-17, Control # 238-02
Master Node (Node 1)
The microprocessor within the master node executes the
main control program for crane operation and contains
memory for lookup information such as load charts. Digital
inputs and outputs communicate with low current digital
devices within the cab such as keypads, indicators, and
control switches.
Figure 3-2. CAN Bus Major Functions
M100791
Figure 3-3. Master Node
M100792
RS-232
Display Output
Digital
Inputs
Digital
Outputs
CAN Bus
Transceiver
Micro-
processor
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