Alfa Laval Automation (Pleasant Prairie, WI) has unveiled a DCS/PLC system running under Windows NT(TM). The system consists of a number of workstations and control systems all communicating on a local Ethernet network.
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The S-9 contact suppressor module from Lutze (Charlotte, NC) guards against PLC burn out, noise and other equipment malfunctions. It dissipates and eliminates power surges or spikes before they interfere with control operation.
Astrosystems' (Lake Success, NY) resolver-based multiturn Astrocoder/150 provides 16-bit position accuracy over 64 turns. Geared dual resolvers are unaffected by noise or vibration and output reliable data instantly.
UVA-Butler (Richmond, VA) has introduced the Butler(TM) 3 vertical form/fill/seal machine that uses servo motors, an Allen-Bradley programmable logic controller 503 and a touch screen for production information and fault display.
FreshPax(TM) oxygen absorbing packets from Multiform Desiccants (Buffalo, NY) are now available in strip form. They are designed for use on the company's dispensing systems, which dispense single or mul-tiple pac-kets at speeds to 400/min.