GE IC693CPU352

1. Overview

The IC693CPU352 is a CPU module of the GE (Fanuc) Series 90‑30 series PLC. Classified as a 16-channel analog current input module, it adopts a 32‑bit RISC processor and supports 1500 V isolation between the field side and logic side. This module is specifically designed for application in industrial automation control systems.

2. Key Parameters

• Processor: 32‑bit RISC, with a main frequency of approximately 100 MHz
• Program Storage: 512 KB non-volatile Flash
• Data Storage: 256 KB RAM (with battery backup)
• Power Requirement: 24 V DC ±10%, with a power consumption of approximately 10 W
• Operating Temperature: 0 °C ~ 60 °C
• Storage Temperature: –40 °C ~ 85 °C
• Input Channels: 16 analog current inputs (supporting 4‑20 mA or 0‑20 mA)
• Input Impedance: 250 Ω
• Filter Response: 200 Hz
• Isolation Voltage: 1500 V (field side ↔ logic side)
• Dimensions: 127 mm × 89 mm × 152 mm
• Weight: ≈ 450 g
• Compatibility: Compatible with all Series 90‑30 chassis, I/O modules, and communication modules
• Certifications: UL 508, CE, RoHS
  (Parameters are sourced from official technical specification sheets and product technical documents)

3. Product Features

• High Reliability: 1500 V isolation prevents ground loop interference, ensuring stable operation of the system.
• Rich Analog Inputs: Equipped with 16 analog current input channels, supporting multiple current ranges to meet diverse signal acquisition needs.
• Fast Response: A 200 Hz filter enables rapid signal processing, making it suitable for high-speed process control scenarios.
• Redundancy Support: Features basic redundancy functions, which enhance the fault tolerance of the entire control system.
• Strong Compatibility: Can be directly inserted into Series 90‑30 chassis and is compatible with all I/O and communication modules of the same series, simplifying system expansion.
• Compliance with International Standards: Certified by UL 508, CE, and RoHS, making it applicable to global markets and meeting regional regulatory requirements.

4. Structure and Composition

• CPU Motherboard: Integrates the 32‑bit RISC processor, Flash memory, and RAM, serving as the core computing and storage unit of the module.
• Analog Input Card: Contains 16 current input channels, with each channel equipped with input impedance and filtering circuits to ensure accurate signal collection.
• Power Module: Supplies power at 24 V DC and includes an internal battery backup to prevent data loss in case of power failure.
• Communication Interfaces: Features two built-in serial ports (RS‑232/RS‑485) to support fieldbus connections and data transmission with other devices.
• Chassis and Installation Slots: Complies with the specifications of the Series 90‑30 10-slot chassis and adopts a card-slot plug-in design for easy installation and replacement.

5. Application Fields

• Manufacturing Industry: Used for production line control and equipment monitoring to ensure smooth operation of the production process.
• Process Control: Applied in continuous processes such as chemical engineering, electric power, and metallurgy, realizing precise control of industrial processes.
• Factory Automation: Helps improve production efficiency and product quality by optimizing automation workflows.
• Smart Factories: Supports data collection and networked PLC control, laying the foundation for intelligent management of factories.
• Others: Suitable for any industrial scenario that requires high-precision analog signal acquisition and conversion into digital control signals.

6. Installation and Maintenance

Installation Points

1. Perform card-slot insertion in accordance with the official GE manual, and ensure that the chassis power supply and grounding meet specifications.
2. Correctly connect the power cables, communication interfaces, and analog input wires to avoid misconnection.
3. Check the plug-in direction of the module and the locking buckle to ensure a secure installation.

Maintenance Recommendations

1. Regularly inspect the status of the power supply and battery, as well as the integrity of the wiring for input channels.
2. Monitor the operating temperature and current range of the module to prevent exceeding the limit values.
3. In case of a fault, first refer to the official GE troubleshooting guide; if necessary, contact authorized service providers for maintenance or component replacement.

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