Astec PMIII Continuous Mix Blending Control

Facility operation is easier, faster and more accurate with Astec's PMIII 'hard-PLC' based control

Pmiii Control Panels Intro

Astec's most powerful, user-friendly control system to date, the PMIII, combines the finest industrial hardware components with a Windows operating platform. Ideal for both new installations and retrofits, the PMIII eliminates traditional consoles and allows monitoring and control of all plant functions from an industrial grade PC. The PMIII is also compatible with DASH, our data acquisition system, bringing live plant data to your fingertips, wherever you are.

MPIII Blending Controls

  • 8 Virgin aggregate VFD bins
  • Virgin Aggregate Scale
  • 2 recycle bin over 1 recycle belt scale
  • 2 mineral filler (volumetric or gravimetric)
  • 1 Additive
  • 1 Asphalt metering system (temperature compensated)
  • Calibration for all scales, pumps and feeders: operator selectable automatic feeder calibration multiple material calibration for bins
  • Unlimited mix design stored on hard disk drive
  • Material mix design tolerances
  • Material mix start/stop timing
  • Communicates material inventories and mix formulas with Astec “WM2000” (WM2000 sold separately)

BCIII Burner Controls

  • Commands and monitoring of flame safeguard device
  • Controls burner position via “burner profiles” with individual settings for:
    • Combustion Air
    • Controls multiple fuels
    • Controls to operator selectable
    • Final mix temperature
    • Aggregate temperature
    • Baghouse inlet temperature
    • Temperature trending


  • Text message and logging of all system errors
  • Audible alerts for key system errors

Baghouse Controls

  • Controls pressure drop by automatically adjusting pulse cycle depending on monitored pressure drop

SCIII Silo Controls

  • 3 silos over 1 truck scale
  • Silo charging
  • Level indication
  • Inventory indication (when used with Astec WM2000)
  • Silo discharge
  • Silo cone heat
  • Mix storage
  • Traverse conveyor(s)
  • Drag conveyor(s)
  • Third party communication

MCIII Motor Controls

  • Start/stop controls for each motor
  • Handles all interlocking and sequential starting
  • Midstream start/stop and Plant E-Stop
  • Optional current monitoring

Package Includes

  • Industrial PC
  • Console
  • Junction box
  • Uninterruptible Power Supply (UPS) maintains power on computer after loss of electrical power to enable orderly shutdown of the system