
( Brand: Allen Bradley ), ( Manufacturer Part Number: 966759-01A ), ( Part Type: Box )
The **Allen-Bradley 966759-01A (96675901A)** is a high-performance, industrial-grade **120VAC, 120VAC/24VAC, or 24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/24VAC** **120VAC/
**Pros and Cons of buying a Allen-Bradley 966759-01A (96675901A) Module**
### **Overview**
The **Allen-Bradley 966759-01A** is a **176-point, 24V DC input/output (I/O) module** designed for use in **CompactLogix, ControlLogix, and other Rockwell Automation PLC systems**. It is a high-density, discrete I/O module commonly used in industrial automation for digital input/output applications.
---
### **Pros**
1. **High Density and Space Efficiency**
- The module provides **176 discrete I/O points** in a single slot, making it ideal for applications requiring a large number of inputs/outputs without occupying multiple slots.
- Suitable for **space-constrained control panels**, reducing overall system footprint.
2. **Compatibility with Rockwell Automation Systems**
- Fully compatible with **CompactLogix, ControlLogix, and other Rockwell PLC platforms**, ensuring seamless integration with existing systems.
- Supports **Ethernet/IP, DeviceNet, and ControlNet** communication protocols, allowing flexible network integration.
3. **Reliability and Durability**
- Built to **NEMA 4/4X and IP65/IP67 standards**, making it resistant to dust, water, and harsh industrial environments.
- Uses **Allen-Bradley s robust wiring and terminal design**, reducing the risk of loose connections or failures.
4. **Wide Input/Output Voltage Range**
- Supports **24V DC input/output**, which is a standard voltage in industrial automation, ensuring compatibility with most field devices (sensors, relays, etc.).
- Inputs are **sink/source configurable**, providing flexibility in wiring.
5. **Easy Installation and Configuration**
- **Plug-and-play design** with minimal configuration required in PLC programming software (e.g., Studio 5000).
- **Pre-wired terminals** simplify installation compared to custom wiring solutions.
6. **Long-Term Availability and Support**
- As a **legacy but widely used module**, it is still supported by Rockwell Automation and third-party suppliers, ensuring parts availability.
- Documentation and troubleshooting resources remain widely available.
7. **Cost-Effective for High-Point Applications**
- While not the cheapest option, its **high point density** can reduce overall system costs by eliminating the need for multiple smaller modules.
---
### **Cons**
1. **Legacy Technology**
- The **966759-01A is an older model** (discontinued by Rockwell), which means:- **Limited new production** (may require sourcing from distributors or used markets).
- **Potential obsolescence risks** if Rockwell discontinues support entirely.
- Newer **Allen-Bradley modules (e.g., 1768 series)** may offer better features (e.g., integrated diagnostics, higher speeds).
2. **Higher Cost Compared to Alternatives**
- Due to **discontinuation and sourcing challenges**, prices may be **higher than newer, equivalent modules**.
- Used or refurbished units may have **unknown service history**, increasing risk.
3. **Limited Advanced Features**
- Lacks **modern diagnostic capabilities** (e.g., built-in fault monitoring, predictive maintenance features) found in newer I/O modules.
- **No integrated Ethernet/IP port** (requires separate communication module for network connectivity).
4. **Wiring Complexity for High Points**
- Managing **176 discrete points** requires careful wiring to avoid **cross-talk, ground loops, or overloading terminal blocks**.
- May require **additional terminal blocks or splitters** for cleaner wiring.
5. **Potential Compatibility Issues with Newer PLCs**
- While compatible with **older CompactLogix/ControlLogix**, very **newest PLC models** (e.g., some 5000-series) may have **limited or no support** for legacy modules.
- Requires **firmware/software updates** to ensure full functionality.
6. **Environmental Limitations**
- While **NEMA 4/4X rated**, it may not be suitable for **extreme temperature or corrosive environments** without additional protection.
---
### **Conclusion**
The **Allen-Bradley 966759-01A** is a **reliable, high-density I/O module** well-suited for **industrial applications requiring a large number of discrete points** in a **Rockwell Automation ecosystem**. Its **durability, compatibility, and space efficiency** make it a strong choice for **legacy systems or projects where space is limited**.
However, its **discontinued status, potential cost premium, and lack of advanced features** mean it may **not be the best long-term solution** for new installations. If **budget and future-proofing** are concerns, newer **Allen-Bradley 1768-series modules** or **third-party alternatives** (e.g., Siemens, Phoenix Contact) may offer better **scalability, diagnostics, and support**.
---
### **Recommendation**
1. **If You Need It Now and Have a Budget:** - **Proceed with the 966759-01A** if:- You are **maintaining an existing system** that requires this module.
- You **cannot afford downtime** for a replacement.
- You are **willing to pay a premium** for availability.
- **Source from reputable distributors** (e.g., Grainger, AutomationDirect, eBay verified sellers) to avoid counterfeit or damaged units.
2. **If You Are Starting a New Project:** - **Consider a newer Allen-Bradley module** (e.g., **1768-I16E, 1768-O32E**) for:- **Better diagnostics, Ethernet/IP integration, and future compatibility**.
- **Lower long-term costs** (new production, warranty support).
- Alternatively, evaluate **third-party high-density I/O modules** (e.g., **Siemens ET 200SP, Phoenix Contact**) if Rockwell compatibility is not critical.
3. **If Cost is a Major Concern:**- Explore **used/refurbished units** from trusted suppliers, but **inspect for wear and test functionality** before purchase.
- Check if a **lower-density module (e.g., 966759-001A with fewer points)** can be used in combination with other modules to reduce costs.
4. **For Long-Term Reliability:**- If possible, **upgrade to a supported module** during a **system maintenance window** to avoid future obsolescence issues.
- Document **wiring and configuration** thoroughly to ease future troubleshooting.
### **Final Verdict:**The **966759-01A is a solid choice for short-term needs in compatible systems**, but **new projects should prioritize newer, supported modules** for better reliability and cost efficiency. Always **verify availability and pricing** before committing to purchase.
Call to use a shipping service other than the ones listed. The product is used surplus. 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.