GE IC697CPM925 CPU module

GE IC697CPM925 CPU module

Product Overview

The GE IC697CPM925, as the core component of the PLC system, is responsible for executing user programmes downloaded into the CPU memory and controlling the operation of the whole system. It adopts advanced microprocessor technology and large-capacity memory to ensure efficient and stable system operation.

Product Features

High performance microprocessor:

The IC697CPM925 uses an embedded 80486DX2 microprocessor with a clock speed of 64 MHz and an execution time of 0.4 microseconds for each Boolean function.

This high-performance microprocessor ensures fast, accurate instruction execution and improves system responsiveness and stability.

Massive Memory:

The CPU module is equipped with 1 MB of random-access memory (RAM) for storing user programmes and run-time data.

This battery retains the programmes and data in the RAM when the backplane is powered down, ensuring data integrity and system continuity.

Communication Interface:

The IC697CPM925 comes with a single RS422/RS485 communication port that supports the SNP protocol.

This communication interface enables the CPU module to exchange data and communicate with other devices or systems, enabling system integration and interoperability.

Status Indicators:

The CPU module is equipped with three LED status indicators to show the normal, running and enabled status of the CPU.

These indicators provide intuitive visual feedback, allowing users to easily monitor the system's operating status.

Memory Protection Function:

The CPU has a memory protection feature that prevents unnecessary access and modifications to the controller.

This feature ensures the safety of user programs and data and prevents system damage caused by malicious attacks or misuse.

Application Scenarios

GE IC697CPM925 CPU modules are widely used in various industrial automation and control systems, including but not limited to:

Manufacturing industry: used to control various devices and machines on production lines to achieve automated production.

Energy industry: Used to monitor and control the production and transmission process of power, oil, natural gas and other energy sources.

Transport: for controlling the operation of transport systems such as traffic signals, railways and aviation.

Construction industry: for automation control systems of intelligent buildings, such as lighting, air conditioning and security.

Technical Specifications

Processor: Embedded 80486DX2 microprocessor with a clock speed of 64 MHz.

Memory: 1 MB RAM (with battery backup).

Communication Interface: Single RS422/RS485 communication port, supports SNP protocol.

Status Indicators: Three LED indicators (Normal, Running, Enabled).

Current rating: 3.3 amps

Functionality and Features

Processing Power and Performance

The module is equipped with a powerful processor capable of handling complex control algorithms and high - volume data processing. It can execute multiple tasks simultaneously, allowing for efficient management of input - output (I/O) operations, communication tasks, and internal program - logic execution. For example, it can quickly process the signals received from numerous sensors and generate corresponding control commands for actuators in a manufacturing process.

Program Execution and Memory Management

The IC697CPM925 is responsible for running the control programs. It supports a variety of programming languages such as ladder logic, structured text, or function block diagrams, enabling engineers to develop custom - control - strategies. The module has internal memory for storing these programs. The memory is divided into different sections for program code, data storage, and configuration - settings. It also manages the memory - allocation and - retrieval processes to ensure smooth program - execution and - data - handling.

I/O Handling and Scanning

The CPU module interfaces with the I/O modules to receive and send data. It controls the I/O scanning process, which involves regularly polling the input - channels to detect changes in the status of sensors and other input - devices. Based on these inputs, it then determines the appropriate output - states to be sent to the actuators. For example, in a conveyor - belt - control system, it can scan the input - signals from proximity - sensors to detect the presence of objects and then control the motor - speed and - direction of the conveyor - belt through the output - channels.

Communication Capabilities

The IC697CPM925 features a range of communication interfaces. It can communicate with other PLCs, Human - Machine Interfaces (HMIs), and Supervisory Control and Data Acquisition (SCADA) systems. The supported communication protocols may include Ethernet/IP, Genius Bus, or other industry - standard protocols. This allows for seamless integration into larger - scale - industrial - automation - networks and enables the sharing of process - data and - control - commands between different - components of the system.