The company has released four modules, with plans for a fifth in the works, all designed to be configured to function just like a variety of individual analog cards, and all for a cost of less than half a single card. The PWD00A-400 can drive Parker open-loop proportional valves with ramps and setpoints as standard parameters. The PCD00A-400 can drive standard open-loop throttle and pressure control valves, also with ramps and setpoints as standard parameters. The PWDXXA-400 drives high-performance valves with spool feedback, and the PZD00A-400 replaces accessory cards. The PID00A-400, currently in beta testing, processes external closed-loop control of cylinder position, pressure and velocity, providing +/- 50 mA direct servo drive. All models are configurable with free interface software, snap on a standard DIN rail, and use plug-in electrical connectors.
One way to keep a Formula One racing team moving at breakneck speed in the pit and at the test facility is to bring CAD drawings of the racing vehicleís parts down to the test facility and even out to the track.
Most of us would just as soon step on a cockroach rather than study it, but thatís just what researchers at UC Berkeley did in the pursuit of building small, nimble robots suitable for disaster-recovery and search-and-rescue missions.
Design engineers need to prepare for a future in which their electronic products will use not just one or two, but possibly many user interfaces that involve touch, vision, gestures, and even eye movements.
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