Configurable binary circuits for protection relays in electric power systems

Method and apparatus to identify connected device types on an I/O channel based on current characteristics

Multi-device connections for input/output (I/O) terminals

I/O module

MANAGEMENT SYSTEM FOR PROCESS RECIPE

I/O module

Control and/or data-transmission module

Remotely configurable analog/digital input circuit and related apparatus and method

Two-wire field-mounted process device

Field-mounted process device with programmable digital/analog interface