You are here: Building the Model: General Elements > Pre-defined Tank Subroutines > Tank_Inc > Description
Instantly increases the level of a tank by a specified quantity. If the tank has insufficient capacity, the level increases as capacity becomes available. ProModel sets the tank state to Tank_Blocked if the level increases to the tank capacity, otherwise the state remains unchanged.
Use Tank_Inc to instantly add a specific quantity to a tank.
Components
<Tank ID>
The tank name or location index number.
<Quantity>
The number of units by which to increment the contents of the tank (gallons, pounds).
Example
Trucks deliver pellets to a holding bin twice a day. When a truck arrives at the drop-off station, it dumps the entire 5,000 lb load in only 2.5 minutes. To model this, define the following operation logic for the truck at the drop-off station:
WAIT 2.5 MIN
Tank_Inc(HoldingBin, 5000)