GE Ic697cpx928 Central control module

Product Detailed Description

• Function: The IC697CPX928 is primarily responsible for:

• Executing user-defined control programs (ladder logic, structured text, etc.).

• Managing and processing input/output (I/O) data from connected modules.

• Performing logical and arithmetic operations.

• Handling communication with programming software, HMI (Human Machine Interface) systems, and other PLCs or devices via its serial ports.

• Maintaining real-time control of industrial processes, machines, and material handling systems.

• Features:

• Port 1: RS-232 compatible (often used for programmer attachment).

• Port 2: RS-485 compatible (optocoupler isolated).

• Port 3: RS-485 compatible (not isolated).

• Also includes a Factory Reset port.

• 6 MB of battery-backed CMOS RAM memory for user programs, configuration, and register data. This memory retains data even during power loss, thanks to the battery.

• 256 KB of non-volatile user flash memory, which is also used to store CPU firmware.

• Microprocessor: Utilizes an 80486DX4 microprocessor, indicating its generation.

• Clock Speed: Operates at a clock speed of 96 MHz.

• Memory:

• Scan Rate: Boasts a typical scan rate of 0.4 µs per Boolean function, signifying high-speed processing capability.

• I/O Capacity: Can handle up to 12K inputs and outputs (any mix) and up to 8K analog inputs and outputs.

• Serial Ports: Equipped with three serial ports:

• Data Support: Supports 32-bit floating-point data, enabling complex calculations.

• VME Compatibility: Designed to support the VME standard C.1, which was a key aspect of the Series 90-70's "open architecture."

• Configuration: Configured exclusively using programming software (MS-DOS or Windows-based); it does not have jumper terminals or DIP switches for hardware parameter settings.

• Status Indicators: Features seven green LEDs on the front of the module to indicate operational status.

• Memory Protection: Program and configuration data can be locked via software passwords or a manual memory protect keyswitch.

Product Parameters

• Manufacturer: GE Fanuc (now part of Emerson Automation Solutions)

• Series: Series 90-70

• Part Number: IC697CPX928

• Product Type: Central Processing Unit (CPU) Module

• Microprocessor: 80486DX4

• Clock Speed: 96 MHz

• RAM: 6 MB (battery-backed)

• Flash Memory: 256 KB (non-volatile user flash memory)

• Current Required from 5V bus: 3.1 Amps nominal

• Input Voltage: 5 Volts DC

• Scan Rate: 0.4 µs per Boolean function

• I/O Capacity: 12K I/O (any mix); 8K Analog I/O

• Serial Ports: 3 (1x RS-232, 2x RS-485) + 1 Factory Reset port

• Battery: Lithium Battery (e.g., IC697ACC701) for memory backup. Shelf life: 5 years at 20°C (68°F); 6 months nominal without applied power.

• Operating Temperature: 0 to 60°C (32 to 140°F) with 70 CFM forced air required; 0 to 50°C (32 to 122°F) without forced air.

• Time of Day Clock Accuracy: 3.5 seconds per day maximum

• Elapsed Time Clock Accuracy: 0.01% maximum

• Module Type: Single slot chassis

• Protocols Supported: SNP Slave only (for serial programmer attachment or other serial devices)

• VME Compatibility: Supports VME standard C.1

• Firmware: In-system upgradable.

Product Advantages

• High Performance: With a 96 MHz processor and a fast scan rate, it offers robust processing capabilities for demanding industrial applications.

• Large Memory Capacity: 6 MB of RAM and 256 KB of flash memory provide ample space for complex programs and data.

• Reliable Data Retention: Battery-backed RAM and non-volatile flash memory ensure data integrity even during power interruptions.

• Versatile Communication: Multiple serial ports (RS-232, RS-485) allow for flexible connectivity with various devices and programming tools.

• Industrial Robustness: Designed to operate reliably in industrial environments, with specified operating temperatures.

• Open Architecture (Series 90-70): Compatibility with the VME standard allowed for greater flexibility in integrating third-party modules, making it a pioneering PLC in its time.

• Comprehensive I/O Support: Capable of managing a large number of digital and analog I/O points.

Precautions

• Forced Air Cooling: For ambient temperatures above 50°C (122°F), forced air cooling (70 CFM) is required to ensure proper operation. Fan assemblies can be ordered and mounted on the IC697 rack.

• Battery Management: The battery (IC697ACC701) has a limited shelf life and memory retention time without applied power. It should be replaced as needed to maintain memory backup.

• Installation Guidelines: Always refer to the GE Fanuc Series 90-70 PLC Installation Manual for detailed guidelines on proper installation, including rack power-off procedures, switch positions, and battery connection.

• Power-Up Sequence: Expansion racks should be powered up simultaneously with or after the main rack has completed its initialization to avoid issues.

• Safety Practices: Observe all electrical safety guidelines, including removing power before inserting/removing modules or connecting I/O cabling. Never reach into a machine with power applied.

• Obsolete Product Line: The Series 90-70 PLC line was designated as "discontinued" or "obsolete" by GE Intelligent Platforms in 2011. While still serviceable, users should consider migration strategies for long-term system sustainability and support.

Product Applications

The GE Fanuc IC697CPX928, as part of the Series 90-70 PLC system, was widely used in various heavy-duty industrial applications requiring robust and reliable control. These include:

• Paper Mills: For controlling complex paper-making processes.

• Power Plants: In power generation and distribution control systems.

• Automotive Manufacturing: For assembly lines, robotics, and material handling.

• Process Industries: In chemical plants, refineries, and other continuous process control environments.

• Discrete Manufacturing: For machine control, automation lines, and packaging machinery.

• Material Handling Systems: Controlling conveyors, automated storage and retrieval systems (AS/RS).

• Critical Infrastructure: Where high reliability and control capabilities were essential.

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