ALLEN BRADLEY 1791D-0V16P Plc Modules

( Brand: Allen Bradley ), ( Manufacturer Part Number: 1791D-0V16P ), ( Part Type: Module )

Review ALLEN BRADLEY 1791d0v16p Used

The **Allen-Bradley 1791-D0V16P** is a high-performance, modular **CompactLogix 5560** controller module designed for industrial automation applications requiring robust, scalable, and flexible control solutions. Part of Rockwell Automation s **CompactLogix** series, this **16-point digital input/output (I/O) module** integrates seamlessly into the **1791-D series** backplane, offering a compact yet powerful foundation for discrete control systems. Engineered with **Allen-Bradley s industry-leading reliability**, the 1791-D0V16P delivers **16 isolated, sink-type digital inputs** and **16 isolated, sink-type digital outputs**, each rated for **24V DC** operation, making it ideal for applications such as machinery control, process automation, and factory automation where precise, high-speed I/O response is critical. The module features **high-speed scanning capabilities**, ensuring minimal latency for time-sensitive operations, while its **backplane-mounted design** maximizes rack space efficiency in control panels. Built with **Allen-Bradley s rugged construction**, the 1791-D0V16P is resistant to electrical noise and environmental fluctuations, ensuring stable performance in demanding industrial environments. Compatible with **RSLogix 5000** and **Studio 5000** software platforms, this module supports advanced programming features such as **structured text, ladder logic, and function block diagrams**, allowing engineers to implement complex control logic with ease. Whether used in standalone configurations or as part of a larger **CompactLogix** system, the 1791-D0V16P provides a **cost-effective, high-performance solution** for industries requiring reliable, modular automation. Its **plug-and-play compatibility** with other **1791-D series** modules further enhances system flexibility, enabling seamless expansion as application requirements evolve. With **Allen-Bradley s reputation for durability and innovation**, this digital I/O module stands as a dependable choice for engineers and technicians seeking a balance of performance, scalability, and ease of integration in modern industrial control systems.

### **Pros and Cons of buying a Allen-Bradley 1791-D0V16P (1791-D0V16P) Module**

The **Allen-Bradley 1791-D0V16P** is a **16-point discrete output module** designed for use in **CompactLogix or ControlLogix PLC systems**. Below is a detailed analysis of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros**

1. **High Reliability and Durability**

- Manufactured by **Rockwell Automation**, a leader in industrial automation, ensuring robust performance in harsh environments.

- Designed for **long-term use** in factory automation, with minimal failure rates compared to generic or aftermarket alternatives.

2. **Compatibility with Rockwell Ecosystem**

- Works seamlessly with **CompactLogix (5000 series), ControlLogix, and other Rockwell PLCs**, reducing integration issues.

- Supports **RSLogix 5000, Studio 5000, and other Rockwell software**, ensuring easy programming and troubleshooting.

3. **High Output Current Capacity**

- Each output can handle **up to 2A at 30V DC** (sink configuration) or **0.5A at 240V AC** (source configuration), suitable for driving relays, solenoids, and small motors.

- **Isolated outputs** prevent ground loops and improve safety in industrial applications.

4. **Industrial-Grade Construction**

- Built to withstand **vibration, dust, and temperature fluctuations** (operating range: **-25 C to 60 C**).

- **NEMA 12/4X enclosure rating** (optional) provides additional protection against environmental contaminants.

5. **Easy Installation and Wiring**

- **Terminal block design** simplifies wiring with **screw-type connections** (no soldering required).

- **Backplane or screw terminal connections** allow flexible installation in control panels.

6. **Support for Advanced Features**

- Supports **diagnostic monitoring** (e.g., open/short circuit detection) via PLC software.

- Can be part of a **distributed I/O system**, improving scalability in large control networks.

7. **Long-Term Availability & Spare Parts**

- As a **legacy but widely used module**, it remains available through **Rockwell s support channels** and authorized distributors.

- Easier to find **replacement parts** compared to discontinued or proprietary modules.

8. **Cost-Effective for High-Volume Applications**

- While not the **cheapest** module on the market, its **longevity and reliability** often justify the cost in industrial settings.

- Reduces **downtime and maintenance costs** over time.

---

### **Cons**

1. **Higher Upfront Cost Compared to Alternatives**

- Priced significantly higher than **generic or third-party discrete output modules** (e.g., from Wago, Siemens, or Omron).

- For **small-scale or non-critical applications**, cheaper alternatives may suffice.

2. **Limited to Rockwell PLC Systems**

- **Not compatible** with **Siemens, Schneider, or other non-Rockwell PLCs** without additional gateways or converters.

- Requires **Rockwell software** for configuration, which may be an extra expense for users outside the Rockwell ecosystem.

3. **Potential for Obsolescence**

- While still supported, newer **CompactLogix 5000 series** may introduce **better features** (e.g., higher speed, Ethernet/IP improvements).

- Future **software updates** may not prioritize older modules, leading to potential compatibility issues with newer PLC firmware.

4. **Sourcing Challenges**

- **Lead times can vary** depending on distributor stock levels, especially for older part numbers.

- **Counterfeit or low-quality replicas** exist in the aftermarket, so purchasing from **authorized dealers** is crucial.

5. **Complexity for Beginners**

- Requires **basic knowledge of PLC programming** (Ladder Logic, Structured Text) for proper setup.

- **Diagnosing hardware issues** may require specialized tools (e.g., **RSLogix diagnostics**).

6. **Physical Size and Space Requirements**

- Takes up **one slot in a CompactLogix chassis**, which may limit I/O density in space-constrained applications.

- **Wiring complexity** can increase panel size if multiple modules are used.

7. **No Built-in Communication Beyond PLC Bus**

- Unlike some modern modules with **Ethernet or wireless options**, this module relies on **backplane or screw terminal connections** for data transfer.

- Requires **additional hardware** (e.g., **DH or Ethernet/IP adapters**) for remote I/O applications.

---

### **Conclusion**

The **Allen-Bradley 1791-D0V16P** is a **high-quality, reliable discrete output module** best suited for **industrial automation applications** where **durability, compatibility with Rockwell PLCs, and long-term support** are critical. It excels in **factory automation, process control, and machinery applications** where **failure is not an option**.

However, for **budget-conscious projects, non-Rockwell systems, or small-scale applications**, cheaper or more flexible alternatives may be preferable. Additionally, if **future-proofing** is a concern, newer **CompactLogix or ControlLogix modules** with **Ethernet/IP or improved diagnostics** might be worth considering.

---

### **Recommendation**

You are **using a Rockwell CompactLogix or ControlLogix PLC system**.

**Reliability and long-term support** are priorities (e.g., **OEM machinery, critical manufacturing processes**).

You need **high-current outputs (up to 2A DC)** for relays, solenoids, or small motors.

You have **existing Rockwell infrastructure** and require seamless integration.

You are **working outside the Rockwell ecosystem** (Siemens, Schneider, etc.).

**Budget is a major constraint** generic modules (e.g., **Wago 750-842**, **Siemens 6ES7 321-1KE00-0BA0**) may be sufficient.

You need **Ethernet/IP or wireless connectivity** modern modules (e.g., **1769-OY3E, 1769-L32ER**) offer better networking.

Your application is **small-scale or non-critical** simpler, cheaper modules (e.g., **Omron E2E, Allen-Bradley 1769-OY3E**) may be overkill.

- **For Rockwell Users:** **1769-OY3E (Ethernet/IP, higher speed)** or **1769-L32ER (remote I/O)** if newer features are needed.

- **For Non-Rockwell Users:** **Siemens 6ES7 321-1KE00-0BA0** or **Schneider Modicon TSX Micro** for compatibility.

- **For Budget Projects:** **Wago 750-842** (16-point, 2A DC, universal compatibility).

The **1791-D0V16P remains a strong choice for Rockwell-based industrial automation** where **proven reliability and integration** are essential. However, **careful consideration of cost, compatibility, and future needs** is necessary before purchasing. Always **verify sourcing from authorized distributors** to avoid counterfeit modules.

Details:

ALLEN BRADLEY 1791D-0V16P / 1791D0V16P USED DISCONTINUED BY MANUFACTURER, COMPACTBLOCK I/O MODULE, DEVICENET, 24 VDC, 16 SINK OUTPUTS, BASE BLOCK. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. 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.

part #: 1791d0v16p prices

• $88.32-$498.77

specifications sensoindustria:

• brand: Allen Bradley
• mpn: 1791d-0v16p
• part type: Module

shipping sensoindustria:

• transit: 23-36 Days
• type: Fixed
• cost: $12.90
• service: Standard
• class: Standard

seller sensoindustria:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 191820
• rating: 99.6%

payments sensoindustria:

• wallet: Google-pay
• other
• credit card: Visa

offer sensoindustria:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0
• started: February 26, 2026

returns sensoindustria:

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

general sensoindustria:

• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
• condition: Used

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