Additive Feeders Chapter 2: Functional Description 12 of 50
Dual Setpoint Control
• Used with multiple feeder installations where one feeder is feeding colored regrind and
another is feeding straight color. A low level monitor senses when the supply of
colored regrind is depleted and alters the feed rate of the pure color feeder to maintain
precise color quality control automatically.
Extruder Following Feature
• Pulse adder board increases range of microprocessor control to 500,000 pulses per
minute to accommodate a wide variety of TTL-type extruder rpm sensor signals.
• Feature is enabled with a DIP switch adjustment.
Expanded Supply Hopper
• 2.0 cubic foot capacity
Supply Hopper Covers
• Hopper mounting cutout for vacuum receivers
• Hopper loader mounting cutout for hopper loaders
Additional Auger Assemblies
• Switch augers for changing process throughputs
Mounting Adapters
• Special main throat and flanges can eliminate transitions and accommodate different
machine hoppers
2-5 Accessories
Low Level Alarm
• Audible/visual alert to allow supply hopper level to avoid feeding straight resin into
the processing machine
• Remote mount
• Advisory or process interrput capability
• Alarm silence/acknowledge button
Drawer Magnet
• Removes tramp metal from the process stream