GE IC695CPE330 | RX3i PACSystem High-Performance CPU Module – Specifications & Industrial Automation Integration Guide

Description

System Architecture & Operational Principle

• Field Devices: Interfaces with RX3i I/O modules (e.g., digital/analog input/output) via the backplane to collect data from sensors, actuators, and other field devices.
• Higher-Level Systems: Communicates with SCADA systems, HMIs, and enterprise-level applications via Ethernet ports using protocols like PROFINET, Modbus TCP, and OPC UA.
• Redundant Partners: Works in tandem with a identical IC695CPE330 module (primary/backup) to provide seamless hot standby redundancy—if the primary CPU fails, the backup takes over instantly (within milliseconds) without losing control state.

Upstream Communication

Downstream Communication

Operational Advantages

• High Performance: 1 GHz dual-core processor and 64 MB memory enable fast execution of complex control logic (e.g., 0.1 ms/K boolean instructions) and handling of large data sets.
• Redundancy: Hot standby architecture with PROFINET/EGD/Genius I/O support ensures <10 ms failover time, minimizing downtime in mission-critical applications (e.g., power plants, chemical refineries).
• Multi-Protocol Integration: Supports PROFINET, Modbus TCP, OPC UA, and other protocols, eliminating the need for additional gateways and reducing system complexity.
• Flexibility: Compatible with all RX3i I/O and intelligent option modules, allowing users to expand the system as needed.

Core Technical Specifications

Attribute​	Specification​
Product Type​	Programmable Automation Controller (PAC) CPU Module
Part Number​	IC695CPE330
Processor​	1 GHz dual-core industrial-grade processor
Memory​	64 MB user RAM; 64 MB non-volatile flash storage
I/O Capacity​	32K bits discrete %I/%Q; 32K words analog %AI/%AQ
Ethernet Ports​	2×10/100/1000 Mbps (LAN1: dedicated RJ-45; LAN2: internally switched)
Protocol Support​	PROFINET (Controller/Device), Modbus TCP, OPC UA, EGD, Genius I/O, Serial I/O
Programming Languages​	Ladder Diagram (LD), Structured Text (ST), Function Block Diagram (FBD), C
Program Capacity​	512 blocks max; 128 KB max per block
Power Requirements​	3.3V DC (2.0A); 5V DC (2.5A); 24V DC (0.6A startup/0.2A run)
Operating Temperature​	-40°C to +70°C (-40°F to 158°F)
Storage Temperature​	-40°C to +85°C (-40°F to 185°F)
Humidity​	5–95% non-condensing
Dimensions (W×H×D)​	~127 mm × 152 mm × 152 mm (5.0 in × 6.0 in × 6.0 in) (approximate)
Weight​	~1.3 kg (2.87 lbs)
Certifications​	CE, UL, ATEX Zone 2, DNV GL/ABS/BV/LR marine certifications

GE IC695CPE330

Customer Value & Operational Benefits

Field Engineer’s Notes (From the Trenches)

When installing the IC695CPE330, always verify the backplane compatibility—the module requires an RX3i universal backplane (dual slot). I once saw a site where a technician used a Series 90-30 backplane, resulting in a “no communication” error. Using a compatible backplane fixed the issue immediately.

Another gotcha: check the Ethernet port configuration—the module’s LAN1 and LAN2 ports must be configured for the correct protocol (e.g., PROFINET for LAN1, Modbus TCP for LAN2). I’ve fixed countless “communication timeout” errors by misconfiguring the ports.

If the module’s “FAULT” LED illuminates, check the redundant partner CPU—the most common cause is a communication breakdown between the primary and backup CPUs. Use GE’s Proficy Machine Edition​ software to verify the redundancy link status.

Real-World Applications

• Power Generation:
  A coal-fired power plant uses two IC695CPE330 modules (primary/backup) to control its boiler feedwater system. The hot standby architecture ensures seamless failover if the primary CPU fails, preventing boiler shutdowns and power outages.
• Chemical Manufacturing:
  A chemical plant uses the IC695CPE330 to control its reactor temperature and pressure. The module’s PROFINET protocol enables communication with a SCADA system, allowing operators to monitor and adjust the process in real time.
• Water Treatment:
  A water treatment plant uses the IC695CPE330 to control its filtration and disinfection systems. The module’s Modbus TCP protocol integrates with legacy sensors and actuators, reducing the need for costly upgrades.

  

  GE IC695CPE330

High-Frequency Troubleshooting FAQ

• Redundant Link Failure: Communication between the primary and backup CPUs is lost (check the redundancy cable);
• Power Supply Issue: The backplane is not supplying 3.3V/5V/24V DC (use a multimeter to test the backplane voltage);
• Module Fault: The internal processor or memory is faulty (replace the module).

1. Open Proficy Machine Edition: Launch the software and connect to the RX3i system;
2. Select the IC695CPE330: Navigate to the “Redundancy” tab and select the module;
3. Set Redundancy Parameters: Choose “Primary” or “Backup” mode, and configure the link speed (e.g., 100 Mbps);
4. Save Configuration: Click “Save” to apply the changes to the module’s memory.

1. Program Complexity: Complex ladder logic (e.g., nested loops) can increase execution time—optimize the program using function blocks;
2. Memory Usage: Ensure the program fits within the 64 MB RAM limit—remove unused variables or functions;
3. Backplane Traffic: Excessive I/O data (e.g., 1000+ I/O points) can slow down communication—use a faster backplane (e.g., RX3i Gigabit Backplane).

Commercial Availability & Pricing