
( Brand: Ge Fanuc ), ( Manufacturer Part Number: IC660ELB901 ), ( Part Type: Module )
The **GE Fanuc IC660ELB901** is a high-performance, modular **Series 90-30 PLC (Programmable Logic Controller)** designed for demanding industrial automation applications requiring robust, scalable, and reliable control solutions. Part of GE Fanuc s **Series 90-30** line, this **176-point, 24V DC input module** serves as a versatile expansion block for larger control systems, offering a compact yet powerful interface for digital signal acquisition. Engineered with industrial-grade durability, the IC660ELB901 is built to withstand harsh environments, featuring a **wide operating temperature range** (from -25 C to 60 C) and **high resistance to electrical noise**, making it ideal for manufacturing plants, process control facilities, and automation-driven machinery where reliability is paramount.
This module provides **176 discrete input points**, each capable of accepting standard **24V DC signals**, allowing for seamless integration with a variety of sensors, switches, and other binary input devices. The **modular design** of the Series 90-30 platform ensures easy installation and scalability, enabling users to expand their control systems incrementally as operational needs evolve. The IC660ELB901 connects via the **Series 90-30 backplane**, adhering to the **I/O expansion architecture** that supports high-speed communication and minimal latency, critical for real-time process monitoring and control. Its **isolated inputs** enhance safety by preventing ground loops and ensuring stable operation even in electrically noisy environments.
Beyond its robust input capabilities, the IC660ELB901 is compatible with **GE Fanuc s intuitive programming environment**, including **C-More Human Machine Interface (HMI) software** and **GE Fanuc s structured text (ST), ladder logic (LD), and function block diagram (FBD) programming languages**. This flexibility allows engineers and technicians to implement complex control logic with ease, whether for discrete manufacturing, packaging systems, or automated material handling. The module s **compact form factor** and **standardized mounting** ensure seamless integration into existing control panels, reducing installation time and minimizing space requirements.
For enhanced diagnostics and troubleshooting, the IC660ELB901 supports **built-in self-monitoring features**, including input status indicators and error reporting, which help operators quickly identify and resolve issues. Additionally, its compatibility with **GE Fanuc s Profibus DP and DeviceNet communication protocols** enables seamless integration into larger enterprise networks, facilitating data exchange with supervisory control and data acquisition (SCADA) systems. Whether deployed in a high-speed production line, a precision process control application, or a distributed automation setup, the **IC660ELB901** delivers the performance, reliability, and scalability required to meet the demands of modern industrial automation.
### **Pros and Cons of buying a GE Fanuc IC660ELB901 PLC Module**
The **GE Fanuc IC660ELB901** is a **16-point isolated digital input module** designed for use in the **IC660 series programmable logic controllers (PLCs)**. Below is a detailed analysis of its advantages and disadvantages, followed by a conclusion and recommendation.
---
### **Pros of the IC660ELB901**
1. **High Reliability and Durability**
- Built to industrial standards, this module is designed for harsh environments, including temperature fluctuations, vibration, and electrical noise.
- GE Fanuc (now part of Emerson) has a long history of manufacturing robust automation components, ensuring long-term performance.
2. **Isolated Inputs for Noise Immunity**
- Each of the 16 inputs is **optically isolated**, protecting the PLC from voltage spikes, ground loops, and electromagnetic interference (EMI).
- This isolation enhances system stability, especially in applications with noisy signals (e.g., motor starters, relays, or high-voltage equipment).
3. **Wide Input Voltage Range**
- Supports **24V DC, 115V AC, or 230V AC** inputs, making it versatile for different field devices (sensors, switches, or relays).
- Compatible with a variety of standard industrial signals without requiring additional conversion.
4. **Backward and Forward Compatibility**
- Works seamlessly with **IC660 series PLCs**, including older models, ensuring ease of integration in existing systems.
- GE Fanuc provides firmware updates and support for extended periods, reducing long-term obsolescence risks.
5. **Easy Installation and Wiring**
- Standard **terminal block connections** simplify wiring, reducing installation time and potential errors.
- The module s compact size (part of the **IC660 series**) allows for efficient rack mounting in control panels.
6. **Diagnostic Capabilities**
- GE Fanuc PLCs offer **built-in diagnostics** for input modules, helping identify faults such as open circuits, short circuits, or voltage level issues.
- Fault codes can be read via the PLC s programming software (e.g., **GE Proficy Machine Edition** or **RSLogix 5000**), aiding in troubleshooting.
7. **Support for High-Speed Inputs**
- Some configurations of the IC660 series support **high-speed input scanning** (up to 100 s resolution), useful for applications requiring precise timing (e.g., motion control, conveyor systems).
8. **Cost-Effective for Medium-Sized Applications**
- While not the cheapest module on the market, its **lifespan, reliability, and compatibility** often justify the cost in industrial automation projects.
- Avoids the need for additional signal conditioning hardware, reducing overall system complexity.
---
### **Cons of the IC660ELB901**
1. **Limited Availability and Obsolescence Concerns**
- GE Fanuc s automation business has undergone restructuring, leading to **reduced support and stock availability** for older models like the IC660 series.
- Some distributors may carry limited inventory, potentially causing delays in replacement or repair.
2. **Higher Upfront Cost Compared to Alternatives**
- Newer or competing PLC systems (e.g., **Siemens, Allen-Bradley (Rockwell), or Mitsubishi**) may offer similar modules at a lower price.
- The IC660 series is **not as widely supported** as more modern platforms, which can impact long-term cost efficiency.
3. **Software Dependency on GE/Fanuc Ecosystem**
- Programming and configuration require **GE s proprietary software** (e.g., **RSLogix 5000, Proficy, or Machine Edition**), which may not be as user-friendly as alternatives like **Studio 5000 (Rockwell) or CodeSys**.
- Training engineers on GE s software can be more challenging than on more widely adopted platforms.
4. **No Built-in Ethernet or Advanced Communication Protocols**
- Unlike newer PLCs, the IC660 series lacks **integrated Ethernet/IP, Modbus TCP, or PROFINET** support out of the box.
- Additional **communication modules** (e.g., **IC697**) may be required for modern network integration, increasing system complexity.
5. **Potential for Higher Maintenance Costs**
- While reliable, the **lack of modern diagnostics and remote monitoring tools** can make maintenance more time-consuming.
- GE Fanuc s customer support has been **consolidated under Emerson**, which may result in slower response times compared to dedicated automation vendors.
6. **Physical Size and Rack Space Requirements**
- The IC660 series occupies **more rack space** than some modern compact PLCs (e.g., **Allen-Bradley CompactLogix**).
- This can be a limitation in space-constrained control panels.
7. **Limited Expansion Capabilities**
- The IC660 series has **fewer high-speed or advanced I/O options** compared to newer architectures, which may restrict scalability for complex automation tasks.
---
### **Conclusion**
The **GE Fanuc IC660ELB901** remains a **reliable, high-quality digital input module** well-suited for **industrial applications requiring isolated, noise-resistant inputs**. Its **durability, wide voltage compatibility, and diagnostic features** make it a strong choice for **legacy systems or projects where GE Fanuc compatibility is non-negotiable**.
However, **obsolescence risks, higher costs, and software limitations** may make it less ideal for **new installations or applications requiring modern communication protocols**. If **long-term support, ease of programming, or cost efficiency** are priorities, newer PLC platforms (e.g., **Rockwell Automation, Siemens, or Mitsubishi**) may offer better alternatives.
---
### **Recommendation**
- **Buy the IC660ELB901 if:**- You are **maintaining or upgrading an existing GE Fanuc IC660 system**.
- Your application **requires isolated inputs in a noisy environment** (e.g., motor control, heavy machinery).
- You have **existing GE Fanuc expertise** and can leverage their software ecosystem.
- You can **source spare parts reliably** (check with authorized distributors like **AutomationDirect, Grainger, or Emerson s resale channels**).
- **Consider alternatives if:**- You are **starting a new project** and want **modern PLCs with better support and communication options**.
- You need **Ethernet/IP, Modbus, or PROFINET** for network integration.
- **Cost efficiency and long-term availability** are critical (e.g., **Allen-Bradley 1761-IA16 or Siemens ET 200SP** may be better choices).
- Your team is **more familiar with Rockwell, Siemens, or Mitsubishi** programming environments.
For **new builds**, evaluating **Rockwell Automation s CompactLogix, Siemens SIMATIC S7-1200, or Mitsubishi s FX series** could provide a better balance of **cost, support, and future-proofing**. However, if **compatibility with an existing GE Fanuc system** is mandatory, the **IC660ELB901 remains a solid, proven solution**.
Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. Part Number IC660ELB901. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.
All products are guaranteed to be working but may show signs of use if purchasing a used product.