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IC697CPX772

IC697CPX772 - CPU Module

IC697CPX772 - CPU Module IC697CPX772 - CPU Module

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SPECIFICATIONS

Part No.: IC697CPX772
Manufacturer: General Electric
Product Type: CPU Module
Availability: In Stock
Number of Slots: 1 (Single slot)
Current Required: 3.1 Amps
Number of Points: 2K inputs and outputs (any mix)
Serial Ports: Three (RS-232 and RS-485)
Supports: IC660/IC661 I/O and IC697 I/O
Operating Temperature: 0 to 60oC
Time of Day Clock Accuracy: 3.5 seconds per day maximum
Series: VersaMax

Functional Description

IC697CPX772 is a CPU Module developed by GE Fanuc. It is a single-slot central processing unit (CPU) designed for high-performance real-time control in industrial automation systems. This module is crucial in managing and overseeing machine operations and process control, ensuring precise and reliable performance across various applications. It is a robust single-slot CPU designed for real-time control functions over machines and processes. As a part of the GE Fanuc 90-70 Series, it offers high performance with a 96 MHz, 32-Bit processing architecture.

Memory Capabilities

  • The module is equipped with ample memory to support its real-time control functions and data storage needs. It features 512 KB of built-in RAM, which is used for storing user data, including program files, configuration settings, and register data. This memory serves as the primary working storage for the module, enabling quick access to data during operation.
  • In addition to the RAM, the module comes with 256 KB of non-volatile flash memory. This critical feature ensures that vital data is retained even in the event of a power failure, providing added security and reliability for data that needs to be preserved. The non-volatile memory ensures that the module retains program data, configuration settings, and other essential information, allowing for seamless operation even after power cycles or interruptions.
  • The memory serves dual purposes: it holds the user data required for machine and process control and stores the firmware necessary for the module’s functionality. This dual-function memory setup optimizes the system's efficiency, allowing the CPU module to operate reliably over long periods.

Operating Conditions

  • To ensure it operates at optimal performance levels, it must be housed in a suitable enclosure with specific operating conditions. The module requires an enclosure that prevents excessive airflow into the system, which could negatively impact its functioning. The temperature range for operation is critical, with the module designed to function effectively up to 50 degrees Celsius.
  • Additionally, it is subject to derating when using a 100-watt DC/AC power supply or a 90-Watt DC supply. Derating refers to the reduction in the performance capabilities of the module when these specific power supplies are used. This is an important consideration, as using the wrong power supply or one that exceeds the recommended specifications can lead to diminished performance and reduced overall reliability of the module. Therefore, ensuring proper power supply and operating conditions is crucial for maintaining the module's long-term functionality and efficiency.
  • The CPU module is a robust, high-performance component designed to provide reliable real-time control in industrial automation systems. Its powerful 32-bit processing architecture, coupled with ample memory capabilities and careful attention to operational conditions, makes it an ideal choice for demanding automation tasks. Proper installation and use within the specified operating parameters ensure optimal performance and longevity of the system.

Front Panel Indicators and Controls

  • The front panel is equipped with seven green LEDs that provide vital information regarding the CPU’s status. These LEDs indicate the position of the toggle switch, memory protection status, serial port activity, and the state of the program. The module also features a three-position switch (RUN/STOP) that allows users to control its operations efficiently.
  • For security, user data protection is facilitated through software passwords, while a key switch provides a manual layer of protection. Proper installation of the PLC equipment is critical for safe and efficient operation. Upon powering up, the top left (OK) LED will blink, and once diagnostics are successfully completed, it will remain ON. If the second (RUN) and third (EN) LEDs are OFF, the module is ready for programming. Importantly, the configuration of this module does not require any jumpers or DIP switches.

Troubleshooting

  • Datasheet: The datasheet provides vital technical specifications, including electrical characteristics, physical dimensions, and operational guidelines..
  • User Manual: The user manual contains step-by-step instructions for the setup, configuration, and programming of the CPU. It also includes troubleshooting tips and best practices for maintenance. Users can find detailed explanations of common error messages, LED indicators, and suggested corrective actions, helping them identify and resolve issues swiftly.
  • Wiring Diagram: A wiring diagram is crucial for ensuring that all connections are made correctly. It serves as a guide to identify potential wiring errors, misconfigurations, or faulty connections that could lead to operational failures. Users can compare their actual wiring to the diagram to verify accuracy.
  • Power Issues: Users may encounter problems related to the power supply, such as the module not powering on or shutting down unexpectedly. Checking the voltage levels and connections as per the wiring diagram can help resolve these issues.
  • LED Status Indicators: The front panel LEDs provide real-time feedback about the CPU’s status. A blinking OK LED or lit error LED can indicate specific faults, such as memory issues or configuration errors. Consulting the user manual for LED status interpretations can guide users in diagnosing problems.
  • Communication Errors: If the CPU is not communicating with connected devices, verifying serial port configurations and ensuring proper cabling as per the wiring diagram can help restore communication.
  • Program Errors: Users may encounter issues related to the execution of logic programs. The user manual provides troubleshooting steps for debugging programs and identifying faulty logic that may cause unexpected behavior.

Load-Store-Verify Functionality

  • Supports advanced operations, including Load, Store, and Verify functions, enhancing its capabilities in handling large datasets and complex operations. One of the key features is the Bulk Memory Area (BMA), which is a contiguous memory block of up to 4MB available for use by logic programs and external devices. This is particularly useful for applications that require significant data storage and processing capabilities.
  • Before utilizing the BMA, users must carefully configure its size in the processor settings to align with their specific application requirements. Incorrect settings could lead to inefficient memory use or operational failures.
  • Users can execute specific service requests to read from or write to the BMA, facilitating seamless data management. This allows for efficient handling of large volumes of data and ensures that critical information is stored and processed effectively. The process involves using programming commands to interact with the BMA, enabling advanced data manipulation.

Parameter Block Setup and Execution

The service request for the BMA employs an input parameter block comprising 11 words that dictate how local buffers are specified. Proper setup of this parameter block is crucial, as each parameter influences the operation of the BMA. Users must ensure that all parameters are valid and correctly configured; otherwise, the operations may fail, leading to data loss or corruption.

Importance of Parameter Configuration

  • Buffer Allocation: Each parameter in the block corresponds to specific memory allocations and settings for data handling. Users should carefully review their configurations and validate each parameter against the expected values outlined in the user manual.
  • Error Handling: Implementing robust error handling in the logic program can help detect and address issues related to BMA access and parameter validity. This proactive approach minimizes the risk of failures during execution.

Memory and Storage

  • Equipped with 512 KB of built-in RAM, which serves as the primary memory for storing essential user data. This includes critical components such as the control program, configuration settings, and register data. The substantial RAM capacity ensures that the CPU can handle complex control tasks and large amounts of data efficiently.
  • In addition to RAM, the module includes 256 KB of non-volatile flash memory. This memory type is used to store both user data and firmware, ensuring that all critical information is preserved even during power outages. The use of flash memory enhances the reliability and stability of the system by maintaining data integrity.

Operating Conditions

  • It must be installed in an enclosure that is of minimal size, with no additional airflow into the system. This design requirement helps to maintain optimal operating conditions and prevent potential issues caused by environmental factors.
  • The module is designed to operate reliably at temperatures up to 50 degrees Celsius. It is important to note that if the system uses a 100-watt DC/AC power supply or a 90-watt DC supply, the module may require derating. Derating is necessary to avoid overheating and ensure continuous operation under high-temperature conditions.

LED Indicators and Controls

  • LED Indicators: The front panel features seven green LEDs that provide real-time status updates on the CPU’s various functions:
    • Top Left LED (OK): This LED blinks during the power-up sequence and turns solid once diagnostics are complete and the system is operating normally.
    • Second LED (RUN): Indicates that the CPU is in run mode, actively executing the control program.
    • Third LED (EN): Shows the status of the enable function, providing visual feedback on the CPU's operational state.
    • Fourth LED (MEM PROTECT): Lights up to indicate that memory protection is active when the key switch is in the OFF position, preventing unauthorized access or modification.
    • Three-Position Switch (RUN/STOP): The module includes a three-position switch that allows users to control the CPU’s operational state. This switch enables toggling between RUN and STOP modes, facilitating control over the CPU's functionality.
  • Key Switch and Software Protection: To enhance security, user data is protected using software passwords. Additionally, a manual key switch provides an extra layer of protection, allowing users to lock the CPU and prevent unauthorized access or changes.

Installation

Proper installation is critical to ensuring the safe, reliable, and efficient operation of the PLC (Programmable Logic Controller) equipment. The installation process is the responsibility of the OEM (Original Equipment Manufacturer), system integrator, or end user. Each party must ensure that the equipment is installed according to the manufacturer’s guidelines to achieve optimal performance and safety.

  • The onus lies on the installer whether it is the OEM, system integrator, or end user—to adhere to the recommended procedures for a successful installation. Ensuring compliance with safety standards and guidelines is crucial to avoid potential risks or malfunctions.
  • Comprehensive product manuals accompany the PLC equipment to provide detailed instructions for installation, startup, and proper usage. These manuals are an essential resource, offering step-by-step guidance to ensure that every component is correctly installed and operational.
  • The installation manual, which is included with the PLC programming software, is specifically tailored to help users understand the equipment's installation process.
  • It covers various aspects, such as Mounting the equipment securely, Wiring and power supply connections, and Environmental considerations (e.g., temperature, humidity, and vibration).
  • Safety precautions to avoid damage to the equipment or injury during the process.
  • The manuals also provide instructions for the initial startup to verify that the system is functioning as intended. They emphasize proper usage to maintain long-term reliability and prevent operational issues.

Configuration

The CPU and I/O system is configured using programming software that operates on MS-DOS or Windows platforms. However, it is important to note that the MS-DOS version of the software has limited functionality compared to the Windows version. For instance, the Bulk Memory Area (BMA) feature is only supported on the Windows programming software version 2.2 or later. Detailed information about programming software feature support can be found in the Installation and Programming Information (IPI) document that is shipped with the module.

  • No DIP Switches or Jumpers: Unlike some systems that rely on physical switches or jumpers for configuration, the system eliminates these and uses software for all configuration tasks.
  • Automatic Verification: At power-up, the CPU automatically verifies the module and rack configuration against the programmed setup. During normal operation, the system continues to perform periodic checks to ensure the actual hardware configuration matches the programmed configuration.
  • Fault Reporting: If any discrepancies between the actual and programmed configurations are detected, they are reported to the CPU’s alarm processor function. The system then executes the pre-configured fault response to handle the issue appropriately.

The WOC team is always available to help you with your Mark I and II requirements. For more information, please contact WOC.

Frequently Asked Questions

What is IC697CPX772?
It is a CPU Module developed by GE under VersaMax series.

What are the operating conditions?
The Module should be installed in an enclosure with minimal size and no additional airflow. It operates effectively at temperatures up to 50 degrees Celsius. The module may require derating if used with a 100-watt DC/AC power supply or a 90-watt DC supply.

How does the three-position switch work?
The three-position switch lets users control the CPU’s operational state, enabling toggling between RUN and STOP modes. This helps manage the CPU’s functionality during operation.

What security features are included?
The CPU uses software passwords to protect user data, and a manual key switch provides additional security by preventing unauthorized access or changes to the CPU.