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  3. ALLEN BRADLEY 847B-Q314-RB01024

ALLEN-BRADLEY 847B-Q314-RB01024 Incremental Encoder Once

847b-q314-rb01024 Allen-bradley Incremental Encoder - Used Once

( Brand: Allen-bradley ), ( Manufacturer Part Number: 847B-Q314-RB01024 ), ( Herstellernummer: 847b-q426-rb04096 ), ( Ursprungsland: Usa )

Review ALLEN BRADLEY Incremental Encoder Used Once

The **Allen-Bradley 847B-Q314-RB01024 Incremental Encoder** is a high-performance, industrial-grade position feedback device designed to deliver precise motion control and real-time positioning data in demanding automation environments. Part of Rockwell Automation s robust 847B series, this incremental encoder combines reliability, durability, and advanced signal processing to meet the exacting requirements of modern manufacturing, material handling, and robotic applications. Engineered with a **high-resolution incremental output**, it provides accurate position feedback through quadrature signals (A/B channels) and an index pulse (Z channel), enabling seamless integration with PLCs, motion controllers, and servo drives. The encoder features a **1024 pulse-per-revolution (PPR) resolution** at its base configuration, though its modular design allows for easy upgrades to higher resolutions when paired with compatible accessories, ensuring flexibility for applications ranging from simple linear motion to complex multi-axis coordination.

Constructed with **industrial-grade materials**, the 847B-Q314-RB01024 is built to withstand harsh operating conditions, including exposure to dust, moisture, and temperature fluctuations, making it ideal for environments such as packaging machinery, CNC systems, and automated assembly lines. Its **compact yet robust housing** is designed for easy mounting on shafts, spindles, or directly onto machinery, with a **flanged or keyed shaft interface** ensuring secure and precise alignment. The encoder s **optical or magnetic sensing technology** (depending on the specific variant) delivers consistent performance over extended periods, minimizing signal noise and maximizing reliability critical factors in applications where downtime is costly. Additionally, its **low-profile design** allows for integration into tight spaces without compromising performance, while its **high-impact resistance** ensures longevity even in high-vibration environments.

For enhanced functionality, the 847B-Q314-RB01024 supports **TTL, NPN, or PNP signal outputs**, accommodating a wide range of control systems and communication protocols. Its **digital signal processing** eliminates the need for external filtering, reducing wiring complexity and improving overall system reliability. The encoder also features **built-in diagnostics**, including fault detection and signal integrity monitoring, which help prevent costly errors by alerting operators to potential issues before they escalate. Whether used in **servo-driven systems, stepper motor applications, or open-loop feedback setups**, this encoder provides the precision and consistency required to optimize productivity and maintain tight tolerances in automated processes.

Backed by Rockwell Automation s reputation for quality and technical support, the **847B-Q314-RB01024** is a versatile solution for engineers and technicians seeking a dependable, high-performance feedback device. Its seamless compatibility with **Allen-Bradley s motion control platforms**, such as the **PowerFlex 755 or Kinetix servo drives**, ensures smooth integration into existing automation architectures. With its combination of **durability, accuracy, and ease of installation**, this incremental encoder is an essential component for industries where motion control precision directly impacts efficiency, quality, and operational uptime.

### **Pros and Cons of buying a Allen-Bradley 847B-Q314-RB01024 Incremental Encoder**

#### **Pros:**

1. **High Reliability and Durability** Allen-Bradley (now part of Rockwell Automation) is a well-established brand known for robust industrial components. This encoder is designed for harsh environments, offering long-term performance in manufacturing, automation, and motion control applications.

2. **Compatibility with Rockwell Automation Systems** The encoder is specifically designed to integrate seamlessly with Rockwell s PLCs (e.g., CompactLogix, ControlLogix) and motion controllers (e.g., Kinetix, PowerFlex). This ensures smooth communication and reduced setup complexity.

3. **High Resolution (1024 PPR)** With 1024 pulses per revolution, it provides precise position feedback, which is essential for applications requiring accurate motion control, such as CNC machines, robotics, or conveyor systems.

4. **Compact and Modular Design** The RB01024 variant features a robust, sealed housing, making it suitable for dirty or wet environments. Its modular construction allows for easy installation and replacement.

5. **Support for Incremental Feedback** While not an absolute encoder, its incremental output (A/B phase signals index pulse) is sufficient for many motion control applications, especially when paired with a homing routine. This makes it cost-effective compared to absolute encoders.

6. **Widely Available and Supported** As a legacy but still widely used component, spare parts, documentation, and technical support are readily available. Many automation engineers are familiar with its configuration and troubleshooting.

7. **Cost-Effective for Basic Motion Control** Compared to absolute encoders or higher-end incremental encoders, this model offers a balance between performance and price, making it a practical choice for budget-conscious projects.

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#### **Cons:**

1. **Incremental Only (No Absolute Positioning)** Unlike absolute encoders, this encoder does not retain position data when power is lost. Users must implement a homing sequence to reset the position, which can introduce delays and potential errors in motion control systems.

2. **Limited Resolution for High-Precision Needs** At 1024 PPR, it may not meet the requirements of ultra-high-precision applications (e.g., medical devices, semiconductor manufacturing) where absolute encoders with higher resolution (e.g., 17-bit or 23-bit) are preferred.

3. **Potential for Signal Noise in Harsh Environments** While the encoder is robust, incremental signals (A/B phases) can be susceptible to noise in electrically noisy environments. Additional filtering or shielding may be required to ensure accurate pulse counting.

4. **Deprecated Status** The 847 series is older and may no longer be actively developed by Rockwell. Future compatibility with newer software or firmware updates is uncertain, though it remains functional for many applications.

5. **Requires External Homing Routine** Unlike absolute encoders, this encoder cannot provide an immediate position reference upon power-up. Users must implement a homing procedure, which can complicate programming and increase system downtime during startup.

6. **Limited Communication Options** It primarily uses incremental outputs (A/B phases index) and may not support advanced communication protocols like EtherNet/IP or PROFINET unless interfaced with a compatible motion controller.

7. **Potential Obsolescence Risks** While still in use, the lack of new development means parts or support may become harder to source over time compared to newer encoder models.

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### **Conclusion:**

The **Allen-Bradley 847B-Q314-RB01024 incremental encoder** is a **reliable, cost-effective choice for basic to intermediate motion control applications** where incremental feedback is sufficient and absolute positioning is not critical. It excels in **Rockwell Automation ecosystems**, offers good resolution for its class, and is well-suited for **conveyor systems, simple CNC machines, or automated assembly lines** where homing routines can be implemented.

However, if the application requires **absolute positioning, high precision, or future-proofing**, newer absolute encoders (e.g., Rockwell s 1756-ENC1000 series) or incremental encoders with higher resolution (e.g., 2048 PPR) would be better alternatives. Additionally, if the system is expected to operate in **extremely noisy or high-vibration environments**, additional signal conditioning may be necessary.

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### **Recommendation:** - **Buy it if:**

- You are working within a **Rockwell Automation PLC/motion controller system** and need a simple, reliable incremental encoder.

- Your application **does not require absolute positioning** and can implement a homing routine.

- Budget is a constraint, and 1024 PPR resolution meets your precision needs.

- You need a **proven, legacy component** with extensive documentation and support.

- **Consider alternatives if:**

- You require **absolute positioning** (e.g., for safety-critical or high-precision applications).

- Your system operates in **extremely noisy or harsh environments** where incremental signals may degrade.

- You anticipate **long-term use** and want future compatibility with newer Rockwell technologies.

- Higher resolution (e.g., 2048 PPR) is necessary for your motion control requirements.

For most **basic to intermediate motion control tasks in Rockwell-based systems**, this encoder remains a **solid, cost-effective choice**. However, for advanced applications, evaluating newer encoder models or absolute encoders would be advisable.

Details:

With its precise model number and specific design, this encoder is ideal for use in various industrial automation applications requiring accurate reliable motion control. The ALLEN-BRADLEY 847B-Q314-RB01024 Incremental encoder is a high-quality industrial automation component made by Allen-Bradley, well-known brand in the USA. Despite being used once, this encoder is in like-new condition, ensuring its performance and durability for future projects.

part #: 847bq314rb01024 price

  • $350.00

specifications automationjack:

  • brand: Allen-bradley
  • mpn: 847b-q314-rb01024
  • herstellernummer: 847b-q426-rb04096
  • ursprungsland: Usa

shipping automationjack:

  • carrier: USPS
  • type: Calculated
  • service: USPS Ground Advantage
  • class: Standard
  • cost: $0.00
  • transit: 8-12 Days

returns automationjack:

  • policy: No Returns

seller automationjack:

  • city: Green Bay, Wisconsin
  • rating: 100.0%
  • # reviews: 96

general automationjack:

  • Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment
  • condition: Used

offer automationjack:

  • started: May 22, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1

payments automationjack:

  • credit card: Discover
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  • wallet: Apple-pay
herstellernummer: 847b-q426-rb04096, ursprungsland: usa,
category: business & industrial > industrial automation motion controls > automation equipment, sku: 15727988504902711,
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1 offer $350.00 USD
  • Used. Offer #1 priced at $350.00 + $0.00 shipping estimate = $350.00* total. Despite being used once, this encoder is in like-new condition, ensuring its performance and durability for future projects. The ALLEN-BRADLEY Incremental encoder is a high-quality industrial automation component made by Allen-Bradley, a well-known brand in the USA.FREE SHIPPING

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