Description
The GE IC698CHS009A is a critical foundational component within GE’s (now part of Emerson) RX7i series of Programmable Automation Controllers (PACs). This product is a 9-slot VME rack chassis that serves as the physical and electrical backbone for the entire control system. Its primary function is to house and interconnect the various modules required for a complete PACSystems RX7i solution, including the central processor unit (CPU), I/O modules, communication coprocessors, and power supplies. The GE IC698CHS009A provides the robust mechanical structure, the high-speed VME backplane for module-to-module communication, and the regulated power distribution from the system’s power supply to all installed modules. Without this chassis, the individual components of an RX7i system cannot function together as an integrated unit.
The value of the GE IC698CHS009A lies in its reliability and its role in enabling a scalable and high-performance control architecture. Designed for demanding industrial environments, this chassis ensures data integrity and stable power delivery, which are paramount for the continuous operation of critical processes in industries like power generation, water treatment, and oil and gas. The 9-slot configuration offers ample space for building complex control systems with extensive I/O counts and advanced communication capabilities. By providing a stable and reliable platform, the GE IC698CHS009A allows engineers to focus on application logic and system functionality, confident that the underlying hardware infrastructure is robust enough to support their most challenging automation requirements. It is the unsung hero that guarantees the structural and electrical integrity of the entire RX7i controller assembly.

GE IC698CHS009A
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | IC698CHS009A |
| Manufacturer | GE (now part of Emerson’s Automation Solutions) |
| Product Type | 9-Slot VME Rack Chassis / Backplane |
| Number of Slots | 9 |
| Backplane Bus | VME64 (Versa Module Eurocard) for high-speed data transfer |
| Compatible Series | PACSystems RX7i |
| Power Requirements | Must be used with a compatible RX7i power supply (e.g., IC698PSA350, IC698PSD100) |
| Module Compatibility | Designed to host all RX7i series VME modules (CPUs, I/O, comms) |
| Physical Dimensions | Standard 9-slot VME rack dimensions for panel mounting |
| Operating Temperature | 0 to 60 °C (32 to 140 °F) |
| Storage Temperature | -40 to 85 °C (-40 to 185 °F) |
| Relative Humidity | 5% to 95% non-condensing |
Main Features and Advantages
Robust and Reliable Backplane Architecture: The core of the GE IC698CHS009A is its high-integrity VME64 backplane. This bus provides a high-speed, deterministic data pathway between the CPU, intelligent I/O modules, and communication coprocessors. The robust design ensures minimal signal degradation and high noise immunity, which is critical for maintaining data integrity in electrically noisy industrial environments. The reliability of this backplane is fundamental to the long-term, trouble-free operation of the entire control system.
Optimized for System Scalability and Integration: The 9-slot configuration of the GE IC698CHS009A offers an excellent balance between compactness and expandability. It provides sufficient space for a powerful configuration—typically one slot for the CPU, one or two for redundant power supplies, and the remaining six to seven slots for a mix of I/O and special function modules. This allows for the creation of a comprehensive and powerful local control station without the immediate need for additional expansion racks, simplifying system architecture and reducing wiring complexity.
Industrial-Grade Mechanical Design: Built to withstand the rigors of industrial use, the GE IC698CHS009A features a heavy-duty metal construction that provides excellent EMI/RFI shielding and mechanical strength. The chassis includes a robust card cage and injector/ejector handles on each slot to ensure modules are securely seated and can be easily installed or removed. This durable design protects the valuable internal components from vibration, shock, and environmental contaminants, maximizing the mean time between failures (MTBF) and ensuring system availability.
Application Field
The GE IC698CHS009A chassis is deployed as the hardware platform for RX7i controllers in industries that require high reliability, high-speed processing, and complex control capabilities. A primary application is in the power generation sector, where it forms the core of turbine control systems, boiler control systems, and plant-wide DCS implementations. In these settings, the robustness and deterministic performance of the GE IC698CHS009A-based system are essential for managing critical processes that demand absolute operational integrity.
In the oil and gas industry, the GE IC698CHS009A is used for safety instrumented systems (SIS), compressor control, and supervisory control on pipelines and offshore platforms. Its ability to host redundant components and withstand harsh environments makes it a trusted choice. Furthermore, it is found in large-scale water and wastewater treatment facilities for managing complex processes like filtration, chemical dosing, and pump station control. The scalability of the 9-slot GE IC698CHS009A allows these facilities to consolidate control for multiple processes into a single, powerful controller, simplifying management and improving operational efficiency. It is also applied in demanding discrete manufacturing, such as automotive assembly lines, where its high-speed logic solving and extensive I/O capacity are utilized for precise machine control and synchronization.

GE IC698CHS009A
Related Products
GE IC698CPE010: A high-performance RX7i CPU module that would be installed in the IC698CHS009A chassis.
GE IC698PSA350: A 35-amp power supply module designed to provide power to the IC698CHS009A and its installed modules.
GE IC698CRE030: A redundant CPU module set, which would require a chassis like the IC698CHS009A for installation.
GE IC693CHS393: A 3-slot rack for the older Series 90-30 PLCs, representing a smaller alternative.
GE IC698ACC711: A VME adapter module that allows certain Series 90-30 I/O modules to be used in an RX7i rack.
GE IC698ETM001: An Ethernet interface module that can be installed in the IC698CHS009A for network communication.
GE IC698ALG320: A high-density analog input module, an example of an I/O module that would populate the chassis.





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