TM 5-3895-374-10options . . utilities . . calibration ................................................................................................... PROCESS DELAYS display<8><6><3>The display of Process Time Delays is shown in Figure 863.0Note that even though this display overwrites the entire MainOperating Display, the plant operation and data gathering continues uninterrupted.A -NOTE- is shown on the display defining the time interval measurement expected by the process computer. Each delayinterval is the length of time that it takes for material to reach that point in the system where the liquid asphalt is beingadded. For scales it’s the time it takes a rock to travel from the scale to the point of asphalt injection. For a feeder it’s thetime it takes for material to travel from the feeder to the point of asphalt injections.The feeders can be numbered in any sequence although the delays for each virgin feeder must be more than the Vir Scaledelay. Likewise, the delays for each recycle feeder must be more than the Rap Scale delay. That is, the processcomputer assumes that the virgin (recycle) scale is physically located between the virgin (recycle) feeders and the point ofA/C injection.With correctly set intervals there will be negligible material rejected on startup or shutdown and no major scale errorsindicated during production rate change.Generally, once the rates are determined, they will not need to be redone unless there is a massive change in materialmoisture, or a change in drum slope.The Continuation Options are:OPTIONKEYDESCRIPTIONESCapeESCReturn to the previous display.Edit.00Gain access to the displayed data so that it canbe changed. The DATA key must be unlocked.Print9Print this screen display. The printer must beturned ON and SELECTed.page F - 60SYSTEMS Equipment Corp. 8/31/89 Page (32)
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