GE IC695CPE400-ABAB CPU (Central Processing Unit) Module
Parameter Name
Parameter Value
Product Model
GE IC695CPE400-ABAB
Manufacturer
GE Fanuc (Emerson Automation Solutions)
System Platform
RX3i Programmable Automation Controller (PAC)
Product Type
CPU (Central Processing Unit) Module
Processor
High-performance 32-bit RISC processor
User Memory
Significant user memory capacity for logic and data (e.g., 10 MB+ typical for the CPE400 series). The specific -ABABvariant may denote a particular memory size or feature set.
Program Execution
Supports fast deterministic scanning of logic. Typical instruction execution time is in the nanosecond range for basic instructions.
Data Memory
Large register and variable memory for data storage and manipulation.
I/O Capacity
Supports a large number (e.g., 1024+ analog and 8192+ discrete) of local I/O points across multiple racks, depending on configuration.
Backplane Speed
Uses the high-speed PCI bus of the RX3i, enabling fast communication with I/O and intelligent modules.
Built-in Ports
Ethernet Port (10/100 Mbps): For programming, HMI communication, peer-to-peer messaging, and Ethernet Global Data (EGD).
Serial Port (RS-232/485): Configurable for various protocols (SNP, SNPX, Modbus RTU Master/Slave) for connecting to drives, HMIs, or other devices.
Non-volatile Memory
Battery-backed RAM and/or Flash memory for retaining program, configuration, and data during power loss.
Programming Software
Programmed and configured using Emerson (GE) PAC Machine Edition (PAC ME) software, version 9.x or later.
Supported Languages
Ladder Diagram (LD), Structured Text (ST), Function Block Diagram (FBD), Instruction List (IL), Sequential Function Chart (SFC).
Real-time Clock
Integrated real-time clock with battery backup.
Certifications
cULus, CE, and other industrial and safety standards applicable to the platform.
The GE IC695CPE400-ABAB is a high-performance, modular CPU (Central Processing Unit) Module for the GE Fanuc (now part of Emerson) RX3i series of Programmable Automation Controllers (PACs). This specific model, identifiable by the -ABABsuffix denoting a particular hardware revision or feature set, is the core processing and control unit of the RX3i system. Its primary function is to execute the user-defined control logic (program), manage I/O (Input/Output) communication, handle system diagnostics, and coordinate data exchange with other network devices via its built-in communication ports. The CPE400 is a powerful member of the RX3i family, offering enhanced processing speed, memory capacity, and connectivity options compared to earlier or entry-level CPUs, making it suitable for complex machine control, high-speed process applications, and distributed control systems.
The value of the GE IC695CPE400-ABAB lies in its power, flexibility, and open-architecture design. It is engineered to handle demanding applications requiring fast scan times, extensive I/O points, and sophisticated program logic. It supports a wide range of I/O modules, intelligent function modules, and communication options, allowing for a highly customized control solution. For system integrators and OEMs, deploying the CPE400 CPU provides a scalable, reliable, and future-proof platform that can bridge the gap between traditional PLCs and more complex DCS systems, offering deterministic control for both discrete and process applications. Its compatibility with PACSystems architecture also provides a potential migration path and software reuse benefits.
Technical Specifications
Parameter Name
Parameter Value
Product Model
GE IC695CPE400-ABAB
Manufacturer
GE Fanuc (Emerson Automation Solutions)
System Platform
RX3i Programmable Automation Controller (PAC)
Product Type
CPU (Central Processing Unit) Module
Processor
High-performance 32-bit RISC processor
User Memory
Significant user memory capacity for logic and data (e.g., 10 MB+ typical for the CPE400 series). The specific -ABABvariant may denote a particular memory size or feature set.
Program Execution
Supports fast deterministic scanning of logic. Typical instruction execution time is in the nanosecond range for basic instructions.
Data Memory
Large register and variable memory for data storage and manipulation.
I/O Capacity
Supports a large number (e.g., 1024+ analog and 8192+ discrete) of local I/O points across multiple racks, depending on configuration.
Backplane Speed
Uses the high-speed PCI bus of the RX3i, enabling fast communication with I/O and intelligent modules.
Built-in Ports
Ethernet Port (10/100 Mbps): For programming, HMI communication, peer-to-peer messaging, and Ethernet Global Data (EGD).
Serial Port (RS-232/485): Configurable for various protocols (SNP, SNPX, Modbus RTU Master/Slave) for connecting to drives, HMIs, or other devices.
Non-volatile Memory
Battery-backed RAM and/or Flash memory for retaining program, configuration, and data during power loss.
Programming Software
Programmed and configured using Emerson (GE) PAC Machine Edition (PAC ME) software, version 9.x or later.
Supported Languages
Ladder Diagram (LD), Structured Text (ST), Function Block Diagram (FBD), Instruction List (IL), Sequential Function Chart (SFC).
Real-time Clock
Integrated real-time clock with battery backup.
Certifications
cULus, CE, and other industrial and safety standards applicable to the platform.
Key Features and Advantages
GE IC695CPE400-ABAB is distinguished by its processing power and connectivity for demanding control tasks. Its high-speed processor and efficient instruction set enable fast scan times, which are critical for applications requiring precise timing, such as high-speed packaging, motion control, and complex process interlocks. The extensive user and data memory allows for the development of sophisticated control programs, data logging, recipe management, and integration of complex algorithms without memory constraints. Its ability to handle a large I/O count supports scalable system designs.
IC695CPE400
Advanced communication and integration capabilities are central to its value proposition. The integrated dual-port Ethernet interface is a standout feature, facilitating easy network integration. One port can be dedicated for programming and operator interface (HMI) connectivity, while the other can be used for peer-to-peer data exchange via Ethernet Global Data (EGD) or connection to plant-wide networks. The built-in configurable serial port provides flexibility for connecting legacy devices or specialized equipment using protocols like Modbus RTU. This makes the CPE400 an excellent gateway or communication hub.
Reliability, scalability, and legacy support are key benefits. The RX3i platform, with the CPE400 at its core, offers high availability features and robust design for industrial environments. It provides a scalable path, allowing systems to start small and expand by adding I/O, function modules, and network interfaces. Furthermore, the RX3i and its PACSystems architecture offer tools for migration from legacy GE Fanuc Series 90-30 and 90-70 PLCs, protecting existing software investment. For control engineers, the IC695CPE400-ABAB delivers a powerful, versatile, and well-supported CPU that forms a reliable and future-proof foundation for a wide range of automation applications.
Application Areas
The GE IC695CPE400-ABAB CPU is designed for a broad spectrum of medium to large-scale industrial automation and control applications requiring robust performance and flexibility.
In manufacturing and machine control, it is ideal for complex assembly lines, high-speed packaging machinery, material handling systems (conveyors, AS/RS), and robotic cell control. Within process industries, it manages batch processes, discrete control for chemical plants, water/wastewater treatment, and food & beverage production lines. It is also suited for infrastructure control such as building management systems (BMS) and power distribution automation. The CPU’s communication strengths make it a good fit for distributed control systems where multiple controllers need to share data over Ethernet. Essentially, the IC695CPE400-ABAB is deployed in any application that demands a powerful, reliable, and communicative programmable controller beyond the capabilities of basic micro-PLCs.
Related Products
RX3i Power Supply (e.g., IC695PWR321): Provides power to the backplane and modules.
RX3i I/O Modules (e.g., IC694, IC695 series): A vast array of digital input/output, analog input/output, and specialty modules (thermocouple, RTD, high-speed counter) that interface with the CPU.
RX3i Communication Modules (e.g., IC695ETM001 Ethernet interface): For additional network connectivity beyond the CPU’s built-in ports.
RX3i Intelligent Function Modules (e.g., Motion Control, Genius Bus Controller): For specialized control tasks.
PAC Machine Edition (PAC ME) Software: The essential configuration, programming, and troubleshooting software for the RX3i system.
Proficy HMI/SCADA (iFIX, Cimplicity): Emerson’s HMI software that can communicate seamlessly with the RX3i controller.
Programming Cable: USB or Ethernet cable for connecting a PC to the CPU for programming.
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