Product Introduction
The GE IC697CPU789 Central Processor Unit is a high-performance CPU designed for the Series 90-70 PLC system, providing exceptional processing power for demanding industrial automation tasks. It features a 24 MHz microprocessor with floating-point support, enabling accurate and rapid execution of complex control instructions.
The IC697CPU789 is intended for single-slot installation in Series 90-70 racks, offering a compact footprint while delivering substantial computational capability. It supports up to 16,000 I/O points, making it suitable for large-scale control systems in industries such as power generation, chemical processing, oil and gas, and advanced manufacturing.
With an integrated serial communication port, the CPU allows seamless integration with HMIs, SCADA systems, and other PLC modules. Its architecture provides robust diagnostics, error detection, and self-test features, ensuring reliable operation in industrial environments. The IC697CPU789 is optimized for floating-point operations, critical for analog control, multi-variable PID loops, and other precision-driven applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | IC697CPU789 |
| CPU Type | Series 90-70 Central Processor Unit |
| Microprocessor | 24 MHz, 16-bit with floating-point support |
| I/O Capacity | Up to 16,000 I/O points |
| Number of Slots Required | Single slot |
| Serial Ports | 1 RS-232/RS-485 communication port |
| Memory | 128 KB RAM standard, expandable via optional modules |
| Program Storage | 256 KB standard, battery-backed |
| Processing Speed | Typical scan time < 1 ms for 1,000 instructions |
| Instruction Set | Full Series 90-70 instruction set including floating-point operations |
| Communication Protocols | Modbus RTU, DNP3 (optional), Series 90-70 proprietary protocol |
| Power Supply | 5 V DC via rack backplane |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Humidity | 5% to 95%, non-condensing |
| Mounting | Single-slot rack installation |
| Dimensions (L×W×H) | 200 × 35 × 120 mm |
| Weight | 0.689 kg |
| Diagnostics | Built-in self-test, status LEDs, and error detection |
Product Applications
The IC697CPU789 is ideal for industrial process automation and complex control systems where high processing power and large I/O support are required.
Typical Applications Include:
-
Petrochemical and Chemical Plants: Control of reactors, distillation, and chemical mixing systems.
-
Power Generation: Automation of turbines, generators, and auxiliary equipment.
-
Oil and Gas Industry: Monitoring pipelines, compressors, and pump stations.
-
Water and Wastewater Treatment: Supervisory control of filtration, chemical dosing, and flow regulation.
-
Manufacturing Lines: Robotics, automated assembly, and high-speed production systems.
-
SCADA and Remote Monitoring: Integration with HMIs, data acquisition, and supervisory control systems.
Product Advantages
-
High Performance: 24 MHz microprocessor with floating-point capability ensures rapid and precise computation.
-
Large I/O Capacity: Supports up to 16,000 I/O points, suitable for extensive industrial control systems.
-
Compact Single-Slot Design: Simplifies rack installation while maintaining high processing power.
-
Integrated Communication Port: Supports RS-232/RS-485 connectivity with HMIs, SCADA, and other PLCs.
-
Floating-Point Support: Enables precise analog calculations and complex PID control.
-
Robust Diagnostics: Built-in self-tests, status LEDs, and error detection ensure operational reliability.
-
Scalable Architecture: Fully compatible with Series 90-70 expansion modules and racks.
-
Industrial Reliability: Operates reliably within standard industrial temperature and humidity ranges.
-
Energy Efficient: Optimized for high processing power with minimal power consumption.
-
Advanced Automation Capability: Supports complex process control, multi-variable loops, and mission-critical applications.
FAQ
-
What is the maximum I/O capacity of the IC697CPU789?
The CPU can manage up to 16,000 I/O points, supporting large-scale industrial automation applications with extensive monitoring and control requirements. -
Does the IC697CPU789 support floating-point arithmetic?
Yes, it provides full floating-point arithmetic for accurate analog calculations and precise process control. -
How does the CPU communicate with other devices?
It features a serial port (RS-232/RS-485) compatible with standard communication protocols and Series 90-70 proprietary connections. -
Can memory be expanded on this CPU?
Yes, optional RAM and program storage modules can be added to enhance computational capacity and program storage. -
Is the IC697CPU789 compatible with all Series 90-70 racks?
Yes, it is a single-slot CPU designed to integrate seamlessly with all standard Series 90-70 modules and racks. -
What diagnostics are included with the CPU?
Built-in self-tests, status LEDs, and error detection mechanisms provide real-time monitoring and operational reliability. -
What types of applications benefit most from this CPU?
It is ideal for large-scale process control, automation of manufacturing lines, SCADA integration, and multi-variable PID control. -
What is the typical program scan time?
The CPU executes 1,000 instructions in less than 1 millisecond, offering fast and precise real-time control. -
Can the CPU interface with SCADA or HMI systems?
Yes, the integrated serial port allows communication with HMIs, SCADA systems, and other supervisory platforms. -
Is the CPU suitable for industrial environmental conditions?
Yes, it operates reliably between 0°C to +60°C and in 5% to 95% non-condensing humidity, making it suitable for harsh industrial environments.
Related Models (Same Series)
| Model Number | Description |
|---|---|
| IC697CPU781 | Standard Series 90-70 CPU |
| IC697CPU782 | High-speed CPU with 16,000 I/O capability |
| IC697CPU785 | Enhanced CPU with expanded memory and serial ports |
| IC697CPU786 | Advanced CPU supporting dual serial ports and floating-point operations |
| IC697CPU787 | CPU optimized for motion control and large-scale automation |
| IC697CPU788 | High-performance CPU with 20 MHz processor and floating-point support |
Popular Models from GE Series 90-70
| Model Number | Description |
|---|---|
| IC697MDL740 | Digital Input Module |
| IC697MDL741 | Digital Output Module |
| IC697MDL742 | Analog Input Module |
| IC697MDL745 | Analog Output Module |
| IC697CHS771 | VME Integrator Rack |
| IC697CHS782 | 17-Slot VME Integrator Rack with Front and Rear Mount |
Excellent PLC
