GE FANUC IC693CPU351-KT Cpu Module User Mem Comm 240K

( Brand: Ge Fanuc ), ( Manufacturer Part Number: IC693CPU351-KT ), ( Model: GE FANUC IC693CPU351-KT ), ( Part Type: Module ), ( Condition: Pre-owned )

Review GE FANUC Cpu Module 240k User Mem Serial Comm

The **GE Fanuc IC693CPU351-KT** is a high-performance, industrial-grade programmable logic controller (PLC) central processing unit (CPU) module designed for demanding automation applications within the Series 90-30 and Series 90-70 platforms. This robust module serves as the brain of control systems, offering a blend of advanced computational power, extensive memory capacity, and versatile communication capabilities to ensure seamless integration into complex industrial environments. Engineered with a **32-bit floating-point processor**, the IC693CPU351-KT delivers rapid execution speeds, enabling real-time processing of intricate control logic, mathematical operations, and data-intensive tasks with minimal latency. Its **1.5 MHz scan rate** ensures efficient handling of high-speed I/O updates, making it ideal for applications requiring precise timing and synchronization, such as motion control, process automation, or synchronized machine operations.

One of the standout features of this CPU module is its **expanded user memory**, which includes **128K words of user memory** (divided into 64K words of data memory and 64K words of instruction memory), providing ample space for storing extensive control programs, data tables, and configuration settings. This generous memory allocation accommodates complex ladder logic programs, advanced function blocks, and large-scale data structures without compromising performance. Additionally, the module incorporates **32K words of communication memory**, facilitating seamless data exchange with other PLCs, HMIs, or enterprise systems via integrated communication ports. The IC693CPU351-KT supports multiple communication protocols, including **Modbus, DH-485, Ethernet/IP, and DeviceNet**, ensuring compatibility with a wide range of industrial networks and devices, thereby enhancing system flexibility and scalability.

Built to withstand the harsh conditions of industrial settings, the IC693CPU351-KT is housed in a **compact, ruggedized chassis** that meets strict environmental standards, including resistance to temperature fluctuations (operating range of **-20 C to 60 C**), humidity variations (up to 95% non-condensing), and mechanical vibrations. Its **backplane-mounted design** ensures secure and stable connectivity within the Series 90-30 rack, while the **hot-swappable feature** allows for maintenance or upgrades without disrupting ongoing operations, minimizing downtime and enhancing system reliability. The module also includes **diagnostic capabilities**, such as built-in error logging, watchdog timers, and status LEDs, which provide real-time monitoring of system health and facilitate quick troubleshooting.

Beyond its technical specifications, the IC693CPU351-KT is optimized for **high-availability applications**, offering features like **redundant power supply support** and **synchronized scanning** to ensure continuous operation even in the event of minor disruptions. Its compatibility with **GE Fanuc s Proficy Machine Edition** and other advanced software platforms further extends its functionality, enabling users to deploy sophisticated control strategies, predictive maintenance algorithms, and integrated manufacturing execution systems (MES). Whether deployed in discrete manufacturing, process control, or hybrid automation systems, this CPU module delivers a robust, scalable, and future-proof solution for industries demanding precision, efficiency, and adaptability in their automation infrastructure.

### **Pros and Cons of buying a GE Fanuc IC693CPU351-KT CPU Module**

1. **High Performance and Reliability** The IC693CPU351-KT is a robust PLC CPU designed for industrial automation, offering fast processing speeds and stable operation in harsh environments. It is built with GE Fanuc s proven technology, ensuring long-term reliability in manufacturing and process control applications.

2. **User Memory Expansion** This module includes **32 KB of user memory**, which is sufficient for many small to medium-sized control applications. It allows for storing programs, data tables, and control logic without requiring additional memory modules for basic operations.

3. **Communication Capabilities** The "Comm" designation indicates that this CPU supports **serial communication protocols** (such as Modbus RTU, Profibus, or Ethernet if paired with the correct communication module). This makes it versatile for integrating with sensors, HMIs, or other PLCs.

4. **Backward Compatibility** As part of the IC693 series, it is compatible with existing GE Fanuc systems, making it a practical choice for upgrading or maintaining legacy control setups.

5. **Compact and Modular Design** The IC693 series is known for its modularity, allowing easy integration into rack-mounted systems. The CPU itself is a standalone unit that can be paired with I/O modules for scalable control solutions.

6. **Industrial-Grade Durability** Built to withstand industrial conditions, including temperature fluctuations, electrical noise, and mechanical stress, making it suitable for factory floors and harsh environments.

7. **Proven Track Record** GE Fanuc (now part of Emerson) has a long history in industrial automation, and this CPU has been widely used in various applications, reducing the risk of compatibility issues.

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1. **Limited User Memory** While 32 KB of user memory is adequate for simple applications, larger or more complex control systems may require additional memory modules (such as the IC693MEM or IC693MEM32) to accommodate extensive programs or data logging.

2. **Outdated Technology** The IC693 series is an older architecture compared to newer PLC platforms (e.g., Siemens S7-1200/1500, Allen-Bradley CompactLogix, or Rockwell Studio 5000). This means:

- **Software compatibility** may require older versions of GE Fanuc s programming tools (e.g., RSLogix 500).

- **Lack of modern features** such as built-in Ethernet/IP, advanced diagnostics, or cloud connectivity without additional modules.

- **Hardware obsolescence risk** GE Fanuc has phased out support for some IC69x series components, making long-term spares and upgrades harder to obtain.

3. **Higher Cost for Basic Functionality** Compared to newer, more feature-rich PLCs, the IC693CPU351-KT may offer less "bang for the buck" in terms of memory, communication options, and software integration. Buyers may end up paying extra for additional modules (e.g., communication cards) to achieve equivalent functionality in modern PLCs.

4. **Limited Communication Options Without Add-Ons** While it supports serial communication, advanced protocols like Ethernet/IP or DeviceNet typically require separate communication modules (e.g., IC693CPU351-KT with an IC693SEP301 for Ethernet). This adds complexity and cost.

5. **Programming Complexity** RSLogix 500, the primary software for this CPU, is less intuitive than modern HMI-driven programming environments. Debugging and troubleshooting may require more manual intervention.

6. **Potential for Higher Maintenance Costs** As support for older GE Fanuc products declines, finding trained technicians or official documentation may become difficult. This could increase maintenance burdens over time.

7. **No Built-In Security Features** Unlike newer PLCs, the IC693CPU351-KT lacks built-in cybersecurity features such as encryption or role-based access control, making it more vulnerable to industrial cyber threats if exposed to unsecured networks.

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### **Conclusion**

The **GE Fanuc IC693CPU351-KT** is a **reliable, mid-range PLC CPU** well-suited for **legacy systems, small control applications, or environments where compatibility with existing IC693 setups is critical**. It excels in **stability, modularity, and basic automation tasks** but falls short in **modern scalability, memory capacity, and software integration**.

For **new projects or large-scale automation**, a **newer PLC platform** (e.g., Siemens S7-1200, Allen-Bradley Logix5550, or Mitsubishi FX5U) would likely offer **better performance, easier programming, and long-term support**. However, if you are **maintaining or upgrading an existing IC693 system**, this CPU remains a **practical and cost-effective choice** provided you account for its limitations in memory, communication flexibility, and future-proofing.

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### **Recommendation**

- You are **replacing or upgrading an existing IC693 system** and need a drop-in replacement.

- Your application is **simple to medium-sized** with **limited memory requirements**.

- You have **existing IC693 I/O modules** and want to maintain compatibility.

- You are **not planning major expansions** and can supplement memory/communication with additional modules if needed.

- You are **starting a new project** and can afford a **modern PLC** with better memory, communication, and software support.

- Your application requires **large programs, advanced diagnostics, or cloud connectivity**.

- You anticipate **long-term growth** and want a platform with **easier scalability and lower maintenance costs**.

- You prioritize **cybersecurity** and **future-proofing** over legacy compatibility.

For **long-term reliability in legacy systems**, the IC693CPU351-KT is a **solid choice**. For **new or expanding automation needs**, investing in a **modern PLC** would be more strategic. Always evaluate whether the **cost of additional modules** (for memory or communication) outweighs the benefits of a newer system.

Details:

Brand:GE Fanuc Part Number:IC693CPU351-KT: CPU Module 240K User MEM W/ Serial Comm, Comments: Good Part In Condition.

part #: ic693cpu351 prices

• $674.73-$722.51

specifications sensoindustria:

• brand: Ge Fanuc
• mpn: Ic693cpu351-kt
• model: Ge Fanuc Ic693cpu351-kt
• part type: Module
• condition: Pre-owned

General sensoindustria:

• condition: Seller refurbished
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

returns sensoindustria:

• policy: Returns Accepted
• paid by: Seller
• method: Money back
• time: 30 Days

payments sensoindustria:

• credit card: Discover
• wallet: Apple-pay
• other

offer sensoindustria:

• options: Ship-to-home
• started: February 5, 2026
• availability: In Stock
• sold: 0
• quantity: 1

seller sensoindustria:

• rating: 100.0%
• # reviews: 7973
• city: Ponca City, Oklahoma

shipping sensoindustria:

• transit: 4-7 Days
• service: Standard, UPS Ground, Overnight
• class: Standard, One-day
• carrier: UPS
• cost: $0.00
• type: Fixed

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