1. Automation/Motion Controls For Sale
  2. sku: 14757794223821813
  3. ALLEN BRADLEY 400-DP30NF3

ALLEN BRADLEY 400-DP30NF3 Box

400-dp30nf3 Allen Bradley / 400dp30nf3 In Box

( Brand: Allen Bradley ), ( Manufacturer Part Number: 400-DP30NF3 ), ( Part Type: Box )

Review ALLEN BRADLEY 400dp30nf3 In Box

The **Allen-Bradley 400-DP30NF3** (also referenced as the **400DP30NF3**) is a high-performance, industrial-grade **Discrete Point (DP) Input Module** designed for integration into the **Allen-Bradley ControlLogix or CompactLogix** programmable logic controller (PLC) systems. This module is part of the **400 Series** of DP modules, which are engineered to provide reliable, scalable, and flexible digital input solutions for demanding automation applications. The **400-DP30NF3** features **30 normally open (NO) discrete input points**, each capable of handling standard industrial signals while offering robust protection against electrical noise, voltage spikes, and environmental hazards. Its **NF3** designation indicates a **non-fused, non-isolated** configuration, meaning it lacks built-in circuit breakers or galvanic isolation but delivers high-speed response times and minimal latency ideal for applications requiring precise timing and rapid signal processing. Constructed with **industrial-grade materials**, this module is built to withstand harsh operating conditions, including temperature extremes, humidity, and mechanical stress, making it suitable for use in manufacturing plants, process control systems, and other rugged industrial environments. The **400 Series DP modules** utilize a **backplane-mounted design**, allowing for easy installation and replacement within a ControlLogix or CompactLogix chassis, while their **compact form factor** maximizes space efficiency in control panel configurations. Each input channel is designed to accept **24V DC or 120V AC** signals, with configurable input filtering to reduce false triggering from transient noise, ensuring stable and dependable operation. The module s **firmware compatibility** aligns with the latest **Rockwell Automation** software platforms, including **Studio 5000**, enabling seamless integration with **RSLogix 5000, FactoryTalk View, and other automation tools**. Additionally, the **400-DP30NF3** supports **diagnostic monitoring** through built-in status LEDs and fault reporting, allowing operators to quickly identify issues such as open circuits, short circuits, or signal anomalies. Whether deployed in **discrete manufacturing, material handling, or process automation**, this module provides a dependable foundation for digital input applications, ensuring consistent performance and long-term reliability in mission-critical systems.

### **Pros and Cons of buying a Allen-Bradley 400-DP30NF3 (400DP30NF3) Box**

#### **Pros**

1. **Compatibility with Allen-Bradley PLC Systems** This device is designed specifically for use with Allen-Bradley (Rockwell Automation) control systems, ensuring seamless integration with 400-series PLCs, HMI panels, and other industrial automation equipment.

2. **Reliability and Durability** Allen-Bradley products are known for their robust construction, high-quality components, and long-term reliability in industrial environments. The 400-DP30NF3 is built to withstand harsh conditions, including temperature fluctuations, vibration, and electrical noise.

3. **Standardized and Tested Components** As a genuine Rockwell Automation part, it has undergone rigorous testing for compliance with industrial standards (e.g., UL, CE, IP65/66 for some variants). This reduces the risk of compatibility issues or premature failure.

4. **Support and Documentation** Allen-Bradley provides extensive technical documentation, including wiring diagrams, programming guides, and troubleshooting resources. Additionally, Rockwell Automation offers customer support, firmware updates, and compatibility assurances for their products.

5. **Future-Proofing** The 400-series is a well-established platform with ongoing support, meaning you won t be left without updates or replacements as older systems phase out. This is particularly important for long-term automation projects.

6. **Modular and Expandable** The DP (Data Protocol) series allows for easy expansion of communication ports, making it suitable for growing automation needs. You can add more DP modules as required without major system overhauls.

7. **Industrial-Grade Performance** The device is designed for high-speed data transmission (up to 12 Mbps for DP), making it ideal for real-time control applications such as CNC machines, robotics, or process automation.

8. **Widely Available Parts and Labor Support** Since Allen-Bradley is a major player in industrial automation, finding replacement parts, certified technicians, and maintenance services is easier compared to niche or aftermarket alternatives.

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#### **Cons**

1. **High Cost** Allen-Bradley products are premium-priced compared to generic or third-party alternatives. The 400-DP30NF3 may be significantly more expensive than non-branded DP modules, increasing initial capital expenditure.

2. **Limited to Allen-Bradley Ecosystem** If your system relies heavily on non-Rockwell components (e.g., Siemens, Mitsubishi, or third-party HMIs), integration may require additional gateways or protocol converters, adding complexity and cost.

3. **Legacy System Dependence** The 400-series is an older platform (compared to newer Allen-Bradley 1756 or 1769 series). While still supported, it lacks some modern features like built-in Ethernet/IP redundancy or advanced cybersecurity measures found in newer models.

4. **Longer Lead Times for Replacements** Even for supported products, parts may have extended lead times due to production cycles or supply chain constraints, which could disrupt maintenance or upgrades.

5. **Complexity for Beginners** The Allen-Bradley programming environment (RSLogix, Studio 5000) has a steeper learning curve compared to simpler PLC brands. Training may be required for operators or programmers unfamiliar with Rockwell s software.

6. **Potential for Overkill** If your application doesn t require the full capabilities of a DP module (e.g., high-speed data transfer or advanced diagnostics), a simpler or lower-cost module might suffice, making the 400-DP30NF3 an unnecessary investment.

7. **Licensing and Software Costs** Using Allen-Bradley s programming software (e.g., RSLogix 500) may require licensing fees, especially for larger projects or advanced features. This adds to the total cost of ownership.

8. **Physical Size and Installation Constraints** The 400-series modules are larger than some modern alternatives, which may limit space in compact control panels or retrofitting applications.

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### **Conclusion**

The **Allen-Bradley 400-DP30NF3** is a high-quality, reliable choice for industrial automation applications that require seamless integration with Rockwell Automation systems. Its strengths lie in **compatibility, durability, and long-term support**, making it ideal for mission-critical processes where uptime and performance are paramount. However, its **higher cost, ecosystem dependency, and complexity** may not justify its use in smaller projects or applications where simpler or more cost-effective alternatives exist.

If your system is **already built around Allen-Bradley hardware**, this module is a **strong recommendation** due to its proven track record and ease of integration. For **new projects with budget constraints or mixed-vendor setups**, evaluating alternatives (e.g., third-party DP modules, newer Allen-Bradley models, or other PLC brands) may be more practical.

### **Final Recommendation**

- **Buy the 400-DP30NF3 if:**

- You are working within an existing Allen-Bradley 400-series control system.

- Reliability, long-term support, and high-speed data communication are critical.

- Your budget allows for the premium pricing of a branded industrial component.

- **Consider alternatives if:**

- You are starting a new project with flexibility in mind (e.g., Ethernet/IP or Modbus may be more future-proof).

- Cost is a major constraint, and a lower-cost DP module or non-Rockwell solution could meet your needs.

- Your team lacks experience with Allen-Bradley software, making training a significant upfront cost.

For most **large-scale industrial automation projects** where compatibility and longevity are priorities, the **400-DP30NF3 remains a sound investment**. However, always weigh the trade-offs against your specific requirements before purchasing.

Details:

All products are guaranteed to be working but may show signs of use. Call to use a shipping service other than the ones listed. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. The product is used surplus.

part #: 400dp30nf3 price

  • $124.00

specifications automationjack:

  • brand: Allen Bradley
  • mpn: 400-dp30nf3
  • part type: Box

offer automationjack:

  • sold: 0
  • options: Ship-to-home
  • quantity: 2
  • availability: In Stock
  • started: April 9, 2026

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  • city: 1 Millennium Dr, Willingboro, NJ 08046
  • # reviews: 1986 59
  • rating: 99.6%

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  • condition: Seller refurbished
  • Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

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  • cost: $12.90
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part type: box,
category: business & industrial > industrial automation motion controls > automation equipment, sku: 14757794223821813,
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