GE IC698CHS117C

Description

Product Description

GE IC698CHS117C is a high-performance, VME-based main rack or chassis for the GE Fanuc Series 90-70 PLC system, also known as the RX7i platform. This component, the IC698CHS117C, serves as the foundational hardware platform that houses and interconnects the system’s critical modules. Its primary function is to provide the robust mechanical structure, the high-speed VME backplane for deterministic data exchange, and the integrated power distribution for the CPU, I/O, and communication modules. Selecting the correct chassis, such as the GE IC698CHS117C, is the first and most crucial step in configuring a 90-70 system, as it dictates the system’s physical size, module capacity, and inherent power capabilities. The reliability and performance of the entire PLC hinge on the integrity of this backbone component. For engineers designing large-scale automation, the IC698CHS117C represents a scalable and robust foundation.

Product Parameters / Technical Specifications

• Manufacturer: GE Fanuc (now part of Emerson)
• Series: Series 90-70 / RX7i PLC System
• Functional Designation: Main Rack / Chassis with Integrated Power Supply
• Form Factor: Standard 19-inch rack-mount enclosure.
• Backplane Type: High-speed VME (Versa Module Eurocard) bus.
• Number of Slots: Typically features multiple slots for modules. The model “117C” often indicates a specific configuration, commonly a chassis with 17 total slots (including slots for CPU and power supply).
• Integrated Power Supply: The “CHS117” series typically includes a built-in, high-capacity power supply capable of supporting a fully loaded rack. The “C” suffix may denote a specific input voltage or hardware revision.
• Input Voltage: The integrated power supply accepts a specific AC or DC input range (e.g., 120/240VAC). This must be verified against the plant’s available power.
• Cooling: Includes integral cooling fans to manage the thermal load of multiple high-power modules.
• Status Indicators: Features LEDs for system power and fault conditions.

Advantages and Key Features

• Integrated High-Capacity Power: The built-in power supply is designed to deliver ample, clean power to all slots, simplifying design and eliminating the need for a separate power supply module. This is a key feature of the GE IC698CHS117C.
• High-Speed Deterministic Backplane: The VME backplane provides a guaranteed, high-bandwidth communication path between all installed modules, which is essential for large, complex, and fast control applications.
• High Module Density: With multiple slots, the IC698CHS117C supports large configurations with extensive I/O counts, multiple communication cards, and specialty modules all in a single rack.
• Robust Industrial Design: Constructed for continuous operation in demanding environments with resistance to vibration, electrical noise, and wide temperature ranges.
• Hot-Swap Support: When configured with a redundant CPU system, modules in the chassis can often be replaced without a system shutdown, supporting high-availability applications.
• Proven Legacy Platform: As part of the mature 90-70/RX7i series, this chassis is known for exceptional reliability in critical industries.

Application Cases in Industry

• Large-Scale Process Automation: Acts as the central controller rack in complex continuous processes within chemical, oil & gas, and pharmaceutical industries.
• Power Generation (Balance of Plant): Used for controlling extensive auxiliary systems like coal and ash handling, large water treatment plants, and flue gas scrubbers.
• Metals Production: Serves as the control core for rolling mills, blast furnace systems, and continuous casting lines where high I/O counts and fast logic execution are required.
• Major Material Handling Hubs: Forms the control foundation for large airport baggage systems, automated distribution centers, and parcel sorting facilities.

Comparison with Competing Products

Selection Suggestions and Precautions

1. Verify Input Voltage and Power: Crucially important. Confirm the input voltage specification (e.g., 120VAC vs. 240VAC) of the integrated power supply in the GE IC698CHS117C and ensure it matches your cabinet’s mains supply. Incorrect voltage will cause catastrophic failure.
2. Calculate Total Load: Even with an integrated supply, you must ensure the total power consumption of all intended modules (CPU, I/O, comms) does not exceed the power supply’s rated output. Overloading will cause unstable operation or shutdowns.
3. Legacy Compatibility: The 90-70 platform is discontinued. Ensure any existing modules you plan to use are compatible with this specific chassis model. The IC698CHS117C is typically compatible with a wide range of 90-70 modules, but verification is key.
4. Cooling and Clearance: Ensure the chassis is installed with adequate clearance for airflow, as the integrated fans are vital for cooling a fully loaded rack. A failed fan can lead to thermal overload.
5. Replacement Strategy: When sourcing a GE IC698CHS117C as a spare or for a new legacy system, procure it from specialized industrial automation surplus dealers who can verify the functionality of the backplane, power supply, and cooling system.
6. Consider System Migration: For new projects or major upgrades, consider that investing in this legacy platform may have higher long-term support costs and risks compared to migrating to a modern, supported PLC system.

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