In the light of the high reliability requirements of DCS control system for the power supply, this paper advances two power supply modes with two UPS hot backup system based on the bypass switcher principle, which provides the effective scheme for improving the reliability of the power supply system.

Design and Implementation of the Dual-Computer Hot-Standby System Based on Windows;

11b/g,Hot-Standby of Crane Guidance System.

The control system,which selects performance PLC to realize automate operation,has the structure of HSBY and RIO.

Using Heartbeat to Implement the Hot Standby Technique on Firewall System;

The flexibly configurable PLC is adopted as the control core with high processing ability and configured in hot standby mode to meet the requirement of reliability.

This paper introduced the application of FTAN protocol and acquisition of online metering data for 5ESS by hot standby.

Research and Application Dual Hot-backup System in Securities Transaction;

Compared with other PLC systems, the hardware of the system adopts two upper computers that are redundant to each other, dual hot-backup PLCS in main local control stations and communication network redundancy.

The hardware of the system is composed of two upper industrial computers and lower dual hot-backup PLCs.

This paper discusses the duplicate hot standby system technology and focuses on the advantages and realization of duplicate hot standby stystem based on fieldbus.