Heater Relay Simulation - Car 1
Issue is: when Operator over-heat trips Operator heater, the Operator Heater SW on High will turns on Observer Heater. (incorrect function)
But
when Observer over-heat trips Observer heater, Observer Heater SW in any does not turn on Operator heater.
Identified Problem - Cab Heater Diode Backwards
+++++ Fix - Reverse Cab Operator Heater Diode
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Use Simulation Switches to simulate operation, fault, and fix
Horizontal Switches
SW1: Observer High (LED Top Red)
SW2: Observer Low (LED Top Yellow)
SW3: WHSP SW (HVAC Forcing - LED Green)
SW4: Cab Setup (LED Pink)
SW5: Operator Low (LED Bottom Yellow)
SW6: Operator High (LED Bottom Red)
Vertical Switches
SW1: Observer Heater Over-temp Switch
SW2: Operator Heater Over-temp Switch
3-way Switch: Reverses the Diode orientation for fault simulation
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Top of Circuit: Observer Side Relays/Wiring
Bottom of Circuit: Operator Side Relays/Wiring
Pink LED signal Cab Engaged
Red LEDs signal High Heat Relays
Yellow LEDs signal Low Heat Relays
Green LEDs signal HVAC forcing Relays
Blue LEDs signal Heater on
Graph
Blue is Heater Signal Voltage
Green is Heater Signal Voltage
Red is Heater Signal Current
Orange is Heater Signal Current
