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.
Researchers at the University of Maryland have achieved a first in lithium-ion battery science: the development of a successful lithium-based battery using one material for all three core components of a battery -- anode, cathode, and electrolyte.
The online Bar Steel Fatigue Database for automotive design engineers has been updated for the fifth time and now contains 134 iterations, or grade/process combinations. It provides better predictability for designing parts with long-term reliability and durability.
FPGAs use programmable fabric to create custom logic, but this flexibility comes at a cost -- usually around 10 times more silicon real estate and 10 times the power dissipation. Can we really claim any FPGA is low power?
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