GE IC695CRU320-EZ PACSystems RX3i Redundancy CPU Features

RX3i System Manual, GFK-2314F or later. 

▪ Supports up to 512 program blocks. Maximum size for a block is 128KB. 

▪ CPU firmware may be upgraded in the field. 

▪ CPU supports firmware upgrades of modules in its backplane. 

▪ Two serial ports: an RS-485 serial port and an RS-232 serial port. 

▪ Ethernet communications via the rack-based Ethernet 

Interface module (IC695ETM001). For details on Ethernet 

capabilities, refer to PACSystems RX7i & RX3i TCP/IP 

Ethernet Communications User Manual, GFK-2224. 

▪ Time Synchronization to SNTP Time Server on Ethernet 

network when used with Ethernet Release 5.0 or later. 

▪ Compliant with EU RoHS Directive 2002/95/EC using the 

following exemptions identified in the Annex: 7(a), 7(c)-I, & 7(c)-III.

Hot Standby CPU Redundancy Features 

For details on the configuration and operation of a Hot Standby CPU redundancy system, refer to the PACSystems 

Hot Standby CPU Redundancy User’s Manual, GFK-2308. 

▪ Supports single and redundant Ethernet remote I/O LANs through Ethernet Network Interface Unit (ENIU) 

modules 

▪ Supports simplex and redundantly controlled PROFINET remote IO (requires firmware version 8.00 or later) 

▪ Survives any one single point of failure 

▪ Bumpless switching 

o Synchronized CPUs 

o One scan switching 

o Transfer data size up to 2Mbytes; selected in CPU hardware configuration and in variable properties 

▪ Supports two redundancy communications links 

▪ Online repair of failed component 

▪ Online programming 

▪ Redundancy Memory Xchange Module 

o Manual toggle switch for role switching, which transitions control from the active unit to the backup unit 

o Redundancy status LEDs  

▪ Application-initiated role switching to switch the active unit to backup status 

▪ Redundancy status bits and message logging 

▪ Memory error checking and correction (ECC) single bit correcting and multiple bit checking 

▪ Background diagnostics