ALARM GP-BASIC 2523404 - Caterpillar

Maximum Payload Speed Manager Actions
Table 1
Overload Conditions and Maximum Payload Speed Manager Actions
Condition Action
The weight of the payload is within the specified limit for the target payload. No action is taken. The truck will continue normal operation.
The weight of the payload is greater than the weight of the target payload but less than overload limit. An overload event is recorded for the truck.
An overload event is broadcast via a radio telemetry system.
The display shows a message warning that the truck is overloaded and instructs the operator to proceed carefully.
The weight of the payload is greater than the overload limit. An event for the overload is recorded.
An event for the overload is broadcast via a radio telemetry system.
The display shows a message warning that the truck is overloaded.
A category 2-S warning sounds if the operator proceeds without correcting the overload condition.
The display shows a message warning that the truck is overloaded and instructs the operator to resolve the overload condition.
The shift range of the transmission is limited.
High idle of the engine is limited.
The point for automatic retarding is reduced. The Maximum Payload Speed Manager will activate whenever the weight of the payload exceeds the overload limit. The actions of the Maximum Payload Speed Manager will occur regardless of the location of the truck. The speed of the truck is limited when the weight of the payload exceeds the overload limit regardless of the location of the truck. The speed of the truck is limited until the payload is dumped and the weight of the payload is cleared. The speed of the truck will return to normal at the beginning of the next payload cycle.The weight of the payload is calculated as the truck is shifted into second gear. This calculation is referred to as Second Gear Re-Weigh. The weight of the payload is used to determine if the speed of the truck is safe.When the Maximum Payload Speed Manager determines that the truck is overloaded, the following actions are initiated:
The shift range of the transmission is limited to second gear.
High idle of the engine is limited to 1750 rpm.
The point for automatic retarding is reduced to 1750 rpm.Note: The settings for limited performance are not adjustable.Example of the Operation of the Maximum Payload Speed Manager
The Project Manager has determined that a 20% overload for a 793F truck is the correct limit for operating conditions at a mine. The 793F has a target payload of 240 tons. The Project Manager would set the parameters of Maximum Payload Speed Manager to the values that are listed below:Target Payload Setting - 240 tonsPayload Overload Limit Setting - 120%With these settings, the Maximum Payload Speed Manager will function in the following manner:
The payload loading lamps will display a signal to load through 240 tons.
The overload warnings will occur above 264 tons.
The engine speed will be limited to 1750 rpm in second gear above 288 tons.Configuring the Maximum Payload Speed Manager
The Maximum Payload Speed Manager requires the user to input weight information for the