ENGINE AR-D 2W3292 - Caterpillar

Alternator
The frequency output terminal of the alternator is connected to connector contact 2-34 of the controller. The controller will monitor the signal on this circuit. This signal informs the controller about the relative speed that the alternator is rotating. The frequency output terminal of the alternator is the "R" terminal. Data Link
The data link is an input and an output of the controller. The data link connects to the controller at connector contact 1-15 and 1-16. The data link is designed to carry communications between the controller and the monitor. The data link is not a visible component. The data link consists of internal control circuits and a harness wiring. The data link is bidirectional. The controller can receive information and the controller can send information through the data link. The controller sends information about the fuel level, engine coolant temperature and many other signals to the monitor panel. The controller also receives information from the key panel about the selected power mode, the selected travel speed and other inputs. Action Lamp
Illustration 1 g00666760
The FLASHING of the action lamp is designed to inform the operator about a condition that exists that requires a change in the operation of the machine. The controller will instruct the monitor panel to FLASH the action lamp when the controller determines that a warning category of 2 or 3 is present. Travel Alarm
The travel alarm connects to connector contact 2-31 of the controller. The SOUNDING of the travel alarm will alert the area that the machine is moving.