Backup power module for industrial control and monitoring network

摘要

A technique is provided for applying secondary or backup power (22) to a networked device (18) in the event of a loss or malfunction of network power. In a control and monitoring network (10). Various devices may receive both power and data signals from a network cable (14,16). In the event of loss of network power, or the reduction in network power, the devices can automatically and without interruptions seek power from the secondary power source (22).