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Continuous Loss-in-Weight Blenders Chapter 2: Functional Description 13
2-3 Typical Features & Components
Mechanical Features
• Blender automatically adjusts individual feeders to match learned extruder rate at the
ratio required.
• Upper material supply hoppers with conical re-fill valves and dust boots.
• Individual ingredient weigh hoppers with clear side walls.
• Cast aluminum feeder housings with drains.
• Lower mass flow weigh hopper assembly with clear side wall.
• Cascading mixing section.
• Precision
1
/10% span accurate cantilever load cell weighing system
• Yasakawa GPD 205 variable frequency drive (VFD) system with ¼ hp inverter-duty
(brushless) AC motors
• Motor drive panel – NEMA enclosure
• Machine-mount spool flange with drain
• Hopper lids arranged for manufacturer and non-manufacturer receivers and loaders
Controller Features
• Color Allen-Bradley PanelView 600 color touch screen
o Easy menu-driven format
o Serial printer port
o Recipe storage book
o Inventory and material usage information
o OPTIONAL Ethernet communications module
• Manual operation capabilities, for emergency use in case of processor failure
Electrical Features
• Inductive proximity switch for extruder speed (you may also write extruder speed
through Ethernet in lieu of using the proximity switch)
• 115/1/50 or 60 supply voltage