Description
- Model: GE IC698CPE030
- Brand: GE Fanuc / Emerson (Automation Solutions)
- Series: PACSystems RX7i
- Core Function: High-speed Central Processing Unit (CPU) for VME-based control systems
- Product Type: Controller Module / Processor
- Key Specs: 1.1 GHz Intel Pentium M, 64 MB User Memory, 3 Ethernet Ports
- Microprocessor: Intel Pentium M 1.1 GHz
- Memory: 64 MB Battery-backed User RAM; 64 MB Flash (Non-volatile)
- Communication Ports:
- 1 x RS-232 (Station Manager)
- 1 x RS-485 (Serial I/O)
- 3 x 10/100 Mbps Ethernet (RJ45, built-in switch)
- VME Compatibility: Supports VME64 Standard Baseplates
- Floating Point: Integrated Hardware Floating Point math support
- Scan Time: 0.04 ms per 1K of Boolean logic (typical)
- Programming: Proficy Machine Edition (Logic Developer)
- Protocol Support: SRTP (Ethernet), Modbus TCP/IP, Ethernet Global Data (EGD)
- Backplane Current: 4.1 A @ 5 V DC; 1.1 A @ 12 V DC

GE IC698CPE030
Application Scenarios & Pain Points
The GE IC698CPE030 is the powerhouse of the RX7i line, designed to handle thousands of I/O points with sub-millisecond precision. In my experience, these units are typically found in “mission-critical” environments like power plants or large-scale water treatment facilities where a system failure isn’t just an inconvenience—it’s a catastrophe. Because the RX7i is a legacy VME-based system, these CPUs are becoming harder to source, often leaving engineers with the choice of an expensive full-system migration or finding a reliable spare.
Typical Application Scenarios:
- Power Generation – Turbine Control Managing high-speed PID loops for steam or gas turbine governing systems.
- Water/Wastewater – Plant-Wide SCADA Serving as the central brain for distributed I/O racks across large municipal facilities.
- Mining – Longwall Shearers Handling complex motion control and sensor feedback in underground mining operations.
- Oil & Gas – Pipeline Compressor Stations Coordinating remote telemetry and emergency shutdown protocols over EGD or Modbus TCP.
The “Boot Loop” Nightmare: A common issue I’ve seen with older IC698CPE030 modules is the “Solid Red OK LED” or a failure to boot past the BIOS. This is often caused by a degraded internal Flash memory or a drained battery that has allowed the NVRAM to corrupt. If your CPU keeps losing its IP address after a power cycle, check the battery (IC698ACC701) immediately. If the hardware itself is failing, a swap-out is usually much faster than trying to re-image a VME processor in the field.

GE IC698CPE030
Compatible Replacement Models
The RX7i CPU family has several tiers. Compatibility depends on your memory requirements and Ethernet needs.
| Original Model | Replacement Model | Compatibility | Main Difference | Impact |
| IC698CPE030 | IC698CPE010 | ⚠️ Software Compatible | 300 MHz / 10 MB Memory | Significant performance drop |
| IC698CPE030 | IC698CPE040 | ✅ Direct Replacement | 1.8 GHz / 64 MB Memory | Performance boost; fully compatible |
| IC698CPE030 | PACSystems RX3i | ❌ Incompatible | Completely different rack | Requires hardware/wiring redesign |
Engineering Note: If you are moving from a CPE010 to a CPE030, you can usually import the project directly in Proficy Machine Edition, but you must update the Hardware Configuration (HWC) to reflect the correct CPU model before downloading, or the rack won’t initialize.

GE IC698CPE030
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relation to This Board | Quick Check | Action |
| OK LED (Solid Red) | Fatal Hardware Fault | ✅ High | Check diagnostic buffer via Serial | Replace CPU |
| LAN LED Off | Network/Port Failure | ✅ High | Ping IP; check built-in switch | Verify cables; replace CPU |
| “Config Mismatch” | Firmware/HWC Error | ⚠️ Medium | Compare Proficy project vs. HW | Update project HWC and download |
| Loss of Program | Battery Failure | ✅ High | Check battery voltage (3.0 V+) | Replace IC698ACC701 battery |
Our 5-Step Quality Assurance Process:
- Physical Audit: We inspect the VME pins for alignment and the heat sink for thermal paste integrity.
- Post-Test: The CPU is powered in an RX7i rack to ensure it passes the Power-On Self-Test (POST).
- Firmware Alignment: We can flash the CPU to your specific required version (e.g., v5.0, v6.7) to match your existing system.
- Communication Stress: We run an EGD and Modbus TCP loopback test for 24 hours to ensure the Ethernet ports are stable under load.
- Secure Packing: Shipped in an ESD-shielded bag within a specialized “suspension box” to protect the VME pins.
For a technical quote or a PDF manual: Visit www.newplcdcs.com
Other GE PACSystems Inventory:
- GE IC698PSA100 (Power Supply)
- GE IC698ETM001 (Ethernet Module)
- GE IC697MDL750 (Digital Output)
- GE IC695CPE305 (RX3i CPU)
- GE IC693CPU374 (90-30 Series)
- GE IC694MDL660 (RX3i Input)
