Car Controller Description
1-5
Controller Circuit Boards
HC-CHP, CAN Hub and Power Supply: Provides a central connection point for the
Controller Area Network (CAN). Also provides 16Vac power for digital integrated circuits
throughout the controller. For more information see “HC-CHP CAN Hub and Power Supply
Board” on page 6-38.
HC-MPU Main Processor Unit Performs control data processing. The HC-MPU is
responsible for car operation, car communication, programming and diagnostics, redundancy
monitoring, system software validation and duplexing. For more information see “HC-MPU
Main Processor Board” on page 6-50.
16 Vac in
Internal connections
External connections
Optional Ethernet connection
N, S push buttons
Function Switches
F1 through F8
LCD Display
Ethernet Port
Internal CAN connection
CPU B Debug Port
Keyboard Port
External CAN Port
Port Selector
Switch
Indicators
RS232 Ports
+, - push buttons