IC695CRU320 | General Electric | Redundancy CPU Module

CPU Performance

For CRU320 performance data, refer to Appendix A of the PACSystems CPU Reference Manual, GFK-2222W or later.

Battery: Memory retention

For battery selection, installation and estimated life, refer to the PACSystems RX3i and RX7i Battery  and  Energy  Pack Manual, GFK-2741

Program storage

Up to 64 MB of battery-backed RAM

64 MB of non-volatile flash user memory

Power requirements

+3.3 Vdc: 1.0 Amps nominal

+5 Vdc: 1.2 Amps nominal

Operating Temperature

0 to 60°C (32°F to 140°F)

Floating point

Yes

Time of Day Clock accuracy

Maximum drift of 2 seconds per day

Elapsed Time Clock (internal timing) accuracy

0.01% maximum

Embedded communications

RS-232, RS-485

Serial Protocols supported

Modbus RTU Slave, SNP, Serial I/O

Backplane

Dual backplane bus support: RX3i PCI and high-speed serial bus

PCI compatibility

System designed to be electrically compliant with PCI 2.2 standard

Program blocks

Up to 512 program blocks. Maximum size for a block is 128KB.

Memory

%I and %Q: 32Kbits for discrete

%AI and %AQ: configurable up to 32Kwords

%W: configurable up to the maximum available user RAM Symbolic: configurable up to 64 Mbytes

Flash memory endurance rating

100,000 write/erase cycles minimum

Memory error checking and correction (ECC)

Single bit correcting and multiple bit checking.

Switchover Time1

Maximum 1 logic scan, minimum 3.133 msec.

Typical Base Sweep Time (Reference Data Transfer List Impact)2

3.66 msec: 1K Discrete I/O, 125 Analog I/O and 1K Registers

3.87 msec: 2K Discrete I/O, 250 Analog I/O and 2K Registers

4.30 msec: 4K Discrete I/O, 500 Analog I/O and 4K Registers

5.16 msec: 8K Discrete I/O, 1K Analog I/O and 8K Registers

Maximum amount of data in transfer list

Up to 2 Mbytes

Number of redundancy links supported

Up to two IC695RMX128/228 synchronization links are supported.