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3. Key Technical Specifications
- Processor Speed: 300 MHz
- User Memory: 10 MB battery-backed RAM
- Non-Volatile User Memory: 10 MB flash
- I/O Capacity: Up to 2,048 discrete points, 1,264 analog points
- Serial Ports: 1x RS-232, 1x RS-485
- Ethernet Ports: None (use separate Ethernet module)
- Backplane Support: Dual (PCI and serial)
- Power Requirements: 1.25 A at +3.3 VDC nominal
- Operating Temperature: 0 to 60°C
- Battery Life: 5 years typical at 20°C
- Programming Languages: Ladder Diagram, Structured Text, Function Block Diagram, C
4. Product Introduction
The GE IC695CPU310-ACAT is a 300 MHz central processing unit for the PACSystems RX3i platform. It delivers reliable real-time control for machines, processes, and material handling systems with 10 MB of user memory and support for a full range of RX3i I/O modules.
This CPU is widely used in mid-size control applications where solid performance and compatibility with both legacy Series 90-30 and RX3i modules are required. It installs in a universal backplane and supports standard RX3i programming tools.
- IC695CPU310-ACAT
- IC695CPU310-ACAT
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| CPU does not power up | No backplane power | ✅ High | Measure voltages at backplane | Check power supply and connections |
| RUN LED not on | Stopped in programming software | ✅ High | Connect via serial port and check status | Put CPU into Run mode |
| Fault LED flashing | Configuration or program error | ✅ High | Read fault table in Proficy Machine Edition | Clear faults and reload project |
| Communication loss | Cable or port settings mismatch | ✅ Medium | Verify baud rate and cable pinout | Test with known good cable |
| Memory full or erratic | Battery failure | ✅ Medium | Check battery voltage and replace if low | Install fresh battery |
Contact technical support with CPU status LEDs, fault logs, and project details if issues continue.
6. Frequently Asked Questions (FAQ)
Does the IC695CPU310-ACAT include Ethernet? No. This model has serial ports only. Add an IC695ETM001 or similar Ethernet module for network connectivity.
Can I use this CPU with IC694 and IC695 I/O? Yes. It works with both on a universal backplane like the IC695CHS012.
How do I transfer a program to this CPU? Use Proficy Machine Edition connected through the RS-232 or RS-485 port. Stop the CPU, download the project, and set it back to Run.
What battery does it use? It uses a standard RX3i CPU battery. Replace it every few years or when the low battery fault appears to protect user memory.
Is the ACAT revision different from earlier versions? The ACAT is a specific hardware revision. It maintains full functional compatibility with prior versions while incorporating minor manufacturing updates.
Why is New Surplus available for this CPU? These units are genuine factory surplus that were never deployed. Each one receives full functional testing in an RX3i rack before shipment, offering significant savings versus new factory lead times.
How much memory is actually available for my application? You get 10 MB of user memory for logic and data. Monitor usage in the programming software to avoid exceeding available space during program development.
