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Product Introduction
The GE IC697CPU731 Central Processor Unit (CPU) is a compact, reliable, and high-performance control module specifically designed for the GE Series 90-70 Programmable Logic Controller (PLC) family. Operating at 12 MHz, this CPU is engineered to deliver stable and deterministic control performance for medium-scale automation and process applications.
The IC697CPU731 features fixed 32K bytes of user memory and supports up to 512 discrete I/O points, making it suitable for small to mid-sized control systems where predictable operation, fast response, and cost efficiency are essential. The CPU executes user logic, handles data communications, and manages I/O updates through the Series 90-70 backplane.
Equipped with robust real-time control capability and built-in diagnostics, this CPU ensures reliable operation in demanding industrial environments. Its single-slot design reduces space requirements while maintaining compatibility with all standard GE 90-70 I/O and communication modules.
The IC697CPU731 is widely used in process automation, discrete manufacturing, utilities, and energy systems where a balance of performance, reliability, and simplicity is required.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | IC697CPU731 |
| Module Type | Central Processor Unit |
| System Platform | GE Series 90-70 PLC |
| Processor Speed | 12 MHz |
| Processor Type | 16-bit control processor |
| User Memory | Fixed 32K bytes |
| I/O Capacity | Up to 512 discrete I/O points |
| Communication Ports | 1 Serial Port (RS-232/RS-485) |
| Program Execution | Deterministic, cyclic scan |
| Power Requirement | 5V DC from backplane |
| Power Consumption | Approx. 6 W |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5% to 95% non-condensing |
| Diagnostic Functions | CPU self-test, memory check, communication status |
| Dimensions (H × W × D) | 180 x 50 x 105 mm |
| Weight | 0.481 kg |
Applications
The IC697CPU731 CPU module provides dependable automation control across a range of industrial environments and process applications.
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Manufacturing Automation: Controls assembly lines, packaging systems, and automated material handling units requiring up to 512 discrete I/O points.
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Process Control Systems: Ideal for small-scale continuous control processes such as water treatment, chemical batching, and temperature regulation.
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Power Generation and Utilities: Used for substation automation, pump control, and turbine auxiliary system management.
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Machine Control: Supports motion control, safety interlocking, and coordinated control functions in standalone machinery.
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Infrastructure and Facility Systems: Efficiently manages HVAC, lighting, and environmental monitoring in large buildings or industrial complexes.
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Data Acquisition and Monitoring: Performs real-time data collection and supervisory control in compact automation networks.
Advantages
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Stable Performance: 12 MHz processing speed provides consistent and reliable control for small to mid-range automation tasks.
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Fixed 32K Memory: Simplifies configuration and ensures reliable data handling without dynamic allocation.
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Moderate I/O Capacity: Supports up to 512 discrete I/O points, sufficient for standard control systems.
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Compact Design: Occupies a single rack slot, conserving valuable panel space.
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Built-in Diagnostics: Includes automatic system and communication health checks for preventive maintenance.
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Communication Flexibility: Integrated RS-232/RS-485 port allows direct connection with HMIs, operator panels, or external devices.
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Easy Integration: Fully compatible with GE Series 90-70 backplanes, I/O modules, and power supplies.
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Deterministic Execution: Provides predictable response times for mission-critical processes.
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Industrial Reliability: Designed for long-term stability in high-temperature and high-vibration environments.
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Maintenance Simplicity: Fixed configuration and self-diagnostics reduce setup and service time.
FAQ
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What processor speed does the IC697CPU731 operate at?
The module operates at a fixed 12 MHz clock speed, offering dependable performance for deterministic control applications. -
How much user memory is provided in this CPU?
It comes with a fixed 32K bytes of user memory for logic, data, and control tasks. -
What is the maximum I/O capacity supported?
The CPU can handle up to 512 discrete I/O points, suitable for compact and mid-range automation systems. -
Does the CPU support serial communication?
Yes, it includes a single RS-232/RS-485 serial port for programming, HMI communication, or device integration. -
What type of PLC system is the IC697CPU731 used with?
It is designed for the GE Series 90-70 PLC family, compatible with standard I/O and communication modules. -
Does the CPU support floating-point operations?
No, this model primarily handles integer and bit-level operations; floating-point is supported in higher models like the IC697CPM914 or IC697CPM915. -
Is the CPU equipped with self-diagnostic features?
Yes, it includes power-up self-tests, memory integrity checks, and continuous I/O communication monitoring. -
Can the IC697CPU731 communicate with other controllers?
Yes, through its serial interface or with optional communication modules such as the IC697CMM712. -
How is the CPU powered within the system?
It receives 5V DC power directly from the backplane, consuming approximately 6 watts during operation. -
What programming tools are compatible with this CPU?
It can be programmed using GE Fanuc programming software designed for Series 90-70, such as Logicmaster 90 or equivalent.
Related Models (Same Series or Related)
| Model Number | Function | Description |
|---|---|---|
| IC697CPU772 | CPU Module | 20 MHz processor, 64K memory, supports 2048 I/O |
| IC697CPU781 | CPU Module | 25 MHz processor, larger memory and advanced features |
| IC697CPM914 | Floating Point CPU | 32 MHz, single slot, supports IC660/IC661 I/O |
| IC697CPM915 | Floating Point CPU | 64 MHz, 1 MB memory, for advanced process control |
| IC697CPM925 | Floating Point CPU | 64 MHz, supports 12K I/O, Series 90-70 |
| IC697CMM742 | Ethernet Interface | Type 2 Ethernet Interface Module, 15-pin AUI port |
Popular Models (Same Brand – GE)
| Model Number | Function | Description |
|---|---|---|
| IC697CMM712 | Serial Communication Module | RS-232/RS-485 interface for data exchange |
| IC697MDL640 | Digital Input Module | 16-point input, standard Series 90-70 type |
| IC697MDL740 | Digital Output Module | 16-point output, compatible with Series 90-70 CPUs |
| IC697ALG440 | Analog Input Module | 16-channel analog input for precision control |
| IC697CLG440 | Current Expander Module | Expands analog current measurement capacity |
| IC697PWR711 | Power Supply Module | Provides 5V DC regulated power to backplane |
