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Figure 1-1  Material Flow - Sheet 2 of 2
BLENDING CONTROLS - TM-5-3895-374-10_30

TM-5-3895-374-10 Paving Machine Bituminous Material: Crawler Mounted Diesel Engine Driven Manual
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TM 5-3895-374-10 1-12. Controls The M081 Asphalt Mixing Plant is designed to be operated automatically through a blending controller.  This controller is a specially  designed  industrial  computer.    The  plant  may  also  be  operated  manually  without  the  use  of  this  blending controller.  However,  manual operation is not recommended as the quality of the product may not be to the high standards attainable through the blending controller. The functions of the operator control panel are processed through a Programmable Logic Controller (PLC).  This controller contains  the  programmable  logic  required  to  perform  many  electrical  functions  of  the  plant.    Sequencing  of  electrical motors,  time delays and sensor monitoring occurs within this PLC.  Some of these functions may be altered by the plant operator. The Asphalt Mixing Plant has a training mode which is accessed through the PLC.  This permits control panel training of operators without running the components of the AMP. page 1-19







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