IC695CPU310 RX3i VME CPU Module by GE Fanuc

Overview

The GE Fanuc IC695CPU310 is a RX3i VME 300MHz CPU module built for industrial control systems that demand high reliability and fast logic execution. It features dual backplane compatibility, extensive memory capacity, and versatile communication options suitable for advanced automation architectures.

Technical Specifications

• Model: IC695CPU310

• Manufacturer: GE Fanuc

• Product Type: RX3i VME Central Processing Unit

• Processor Speed: 300 MHz

• Program Storage: 10 MB battery-backed RAM and 10 MB non-volatile flash memory

• Battery Retention: Memory retention supported by lithium battery; see PACSystems CPU Reference Manual (GFK-2222) for lifespan details

• Power Requirements: +3.3 VDC at 1.25 A nominal, +5 VDC at 1.0 A nominal

• Operating Temperature: 0°C to 60°C (32°F to 140°F)

• Floating Point Support: Yes

• Boolean Execution Speed: Approximately 0.195 ms per 1000 Boolean contacts or coils

• Time of Day Clock Accuracy: Maximum drift of ±2 seconds per day

• Elapsed Time Clock Accuracy: ±0.01% maximum

• Embedded Communication Ports: RS-232 and RS-485

• Supported Serial Protocols: Modbus RTU Slave, SNP, and Serial I/O

• Backplane Compatibility: Dual backplane bus supporting RX3i PCI and 90-30-style serial buses

• PCI Compliance: Fully compliant with PCI 2.2 electrical standard

• Program Capacity: Up to 512 program blocks with a maximum size of 128 KB each

Application Scenarios

The IC695CPU310 is widely used in:

• Process automation systems requiring reliable control and fast data handling

• Real-time applications in energy, manufacturing, and transportation sectors

• Multi-CPU control architectures using RX3i modular configurations

• Distributed control networks with serial and Ethernet communication

Comparison with Similar Models

• IC695CPU310: 300 MHz CPU, 10 MB RAM / 10 MB Flash – balanced performance for general automation

• IC695CPU315: 300 MHz CPU, 5 MB RAM / 5 MB Flash – compact model for small-scale systems

• IC695CPU320: 400 MHz CPU, 20 MB RAM / 20 MB Flash – higher performance for data-intensive tasks

FAQs

Q: Is the IC695CPU310 backward compatible with Series 90-30 modules?
A: Yes, it supports backward communication via the 90-30-style serial backplane interface.

Q: How does the battery function for memory retention?
A: The lithium battery maintains user memory during power loss to prevent data loss.

Q: Can firmware be updated?
A: Yes, the CPU supports firmware updates via GE Fanuc programming tools for enhanced performance and compatibility.