Ge Fanuc

GE Fanuc Intelligent Platforms Programmable Control Products

PACSystems™
Hot Standby CPU Redundancy
User’s Manual, GFK-2308C
March 2009

Warnings, Cautions, and Notes as Used in this Publication
Warning

GFL-002

Warning notices are used in this publication to emphasize that hazardous voltages, currents, temperatures, or other conditions that could cause personal injury exist inthis equipment or may be associated with its use. In situations where inattention could cause either personal injury or damage to equipment, a Warning notice is used.

Caution
Caution notices are used where equipment might be damaged if care is not taken.

Note
Notes merely call attention to information that is especially significant to understanding and operating the equipment. This documentis based on information available at the time of its publication. While efforts have been made to be accurate, the information contained herein does not purport to cover all details or variations in hardware or software, nor to provide for every possible contingency in connection with installation, operation, or maintenance. Features may be described herein which are not present in all hardware andsoftware systems. GE Fanuc assumes no obligation of notice to holders of this document with respect to changes subsequently made. GE Fanuc makes no representation or warranty, expressed, implied, or statutory with respect to, and assumes no responsibility for the accuracy, completeness, sufficiency, or usefulness of the information contained herein. No warranties of merchantability or fitness forpurpose shall apply. The following are trademarks of GE Fanuc Intelligent Platforms
Alarm Master CIMPLICITY CIMPLICITY 90–ADS CIMSTAR Field Control GEnet Genius Helpmate Logicmaster Modelmaster Motion Mate PACMotion PACSystems Proficy ProLoop PROMACRO PowerMotion PowerTRAC Series 90 Series Five Series One Series Six Series Three VersaMax VersaPoint VersaPro VuMaster Workmaster

©Copyright2004—2009 GE Fanuc Intelligent Platforms All Rights Reserved

Contents

Introduction....................................................................................................................1-1
Hot Standby CPU Redundancy ........................................................................................ 1-1 PACSystems HSB Redundancy Feature Summary......................................................... 1-2 Online Programming......................................................................................................... 1-3 On-Line Repair and System Upgrade............................................................................... 1-3 Definitions......................................................................................................................... 1-4 Related Publications ......................................................................................................... 1-5

Hot Standby Redundancy Quick Start.........................................................................2-1 System Configuration ...................................................................................................3-1
Components of a HotStandby Redundancy System ....................................................... 3-1 System Racks .......................................................................................................... 3-1 Redundancy CPU Modules...................................................................................... 3-2 Redundancy Memory Xchange Modules................................................................. 3-4 Redundant I/O Systems ........................................................................................... 3-5 Local I/O ................................................................................................................... 3-5 CPU Redundancy Using Ethernet NIU Remote I/O ......................................................... 3-6 Dual...