GE Series 90-30 IC693CPU372 4096 Discrete I/O CPU Unit

Product Overview

The GE Fanuc IC693CPU372 serves as the high-efficiency central processing engine for the Series 90-30 PLC platform. Utilizing a 32-bit Intel 386EX microprocessor running at 25 MHz, this module executes medium-to-high complexity control logic with high precision. It manages up to 4,096 discrete I/O points and 2,048 analog channels, providing a scalable solution for manufacturing lines, power generation, and utility infrastructure. We supply this unit as 100% Brand New original hardware, delivering consistent performance and seamless integration with existing Series 90-30 backplanes and I/O modules.

Technical Specifications

The IC693CPU372 architecture balances processing speed with extensive I/O management:

• Model Number: IC693CPU372

• Microprocessor: Intel 386EX (32-Bit)

• Clock Speed: 25 MHz

• User Memory: 240 KB (Expandable via memory cards)

• Boolean Execution Speed: ~0.22 µs per instruction

• Discrete I/O Capacity: 4,096 Inputs and 4,096 Outputs

• Analog I/O Capacity: 2,048 Channels

• Communication Ports: Built-in RS-232 and RS-485 (Supports SNP protocol)

• Programming Support: Ladder Logic, Structured Text, Function Block

• Power Requirements: 5 VDC from backplane (~1.2 Amps)

• Operating Temperature: 0°C to +60°C (32°F to 140°F)

• Dimensions: Standard single-slot 90-30 module

• Weight: 400 g (Shipping weight 2 kg)

• Certifications: UL, CSA, CE Compliant

Engineering Advantages

The IC693CPU372 provides technical solutions for optimizing control system performance and reliability:

• Efficient Logic Processing: The 25 MHz Intel 386EX processor achieves a boolean execution speed of 0.22 µs. This capability allows the CPU to handle complex PID loops and high-speed counting tasks simultaneously without increasing the overall scan cycle time.

• Integrated Communication Stack: Built-in RS-232 and RS-485 ports support the SNP (Series Ninety Protocol), enabling direct connection to HMIs and programming terminals. This onboard connectivity eliminates the cost and rack space required for additional serial communication modules.

• Proactive System Diagnostics: Hardware-level parity checks and comprehensive fault tables monitor system health in real-time. The CPU identifies memory errors or I/O bus failures instantly, allowing operators to troubleshoot via the front-panel status LEDs or software diagnostic tools.

• Physical Security and Mode Control: The integrated three-position keyswitch provides manual control over the CPU state (RUN/STOP) and enables "Memory Protect." This physical barrier prevents unauthorized software uploads or accidental logic changes during active production.

FAQs

Q: Can I expand the memory on the IC693CPU372?A: Yes. While the module features 240 KB of integrated user memory, it supports expansion via dedicated memory cards. This allows you to increase storage for larger application programs or extensive data logging requirements.

Q: Is this CPU compatible with all Series 90-30 I/O modules?A: The IC693CPU372 integrates with the full range of Series 90-30 discrete, analog, and specialty modules. It supports high-density I/O configurations up to 4,096 points, making it suitable for both compact machines and large-scale facility control.

Q: Does the module require an external power supply?A: No. The IC693CPU372 draws its 1.2 Amp operating current directly from the 5 VDC bus on the Series 90-30 backplane. Ensure your rack's power supply module has sufficient capacity to support the CPU and all installed I/O cards.

Q: What is the benefit of the built-in RS-485 port?A: The RS-485 port facilitates multi-drop networking, allowing the CPU to communicate with multiple field devices or other PLCs over long distances. This configuration simplifies the wiring architecture for distributed manufacturing systems.