Patent Number: 7,786,919

Title: Systems and/or devices for providing an isolated analog output or analog input

Abstract: Certain exemplary embodiments can provide a method, which can comprise transmitting a recovered analog input signal to a programmable logic controller. The recovered analog input signal can be converted, on a downstream side of an isolation device, from a converted signal. The recovered analog input signal can have a voltage value that varies according to a frequency value of the converted signal.

Inventors: Parfitt; Steven Perry (Johnson City, TN)

Assignee: Siemens Industry, Inc.

International Classification: H03M 1/12 (20060101)

Expiration Date: 8/31/12018