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Allen-Bradley 842E-CM-SIP4BA Ethernet/IP Absolute Encoder

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Allen-Bradley 842E-CM-SIP4BA

by Allen-Bradley

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OverviewThe Allen-Bradley 842E-CM-SIP4BA is a cutting-edge Ethernet/IP absolute encoder, meticulously crafted for peak performance across various industrial motion control applications. This single-turn encoder delivers exceptional precision in position tracking and real-time motion data, vital for contemporary automated systems. Featuring an 18-bit resolution, the 842E-CM-SIP4BA offers outstanding accuracy. Its effortless integration into Rockwell Automation control architectures is achieved through CIP Motion compatibility, ensuring straightforward setup and dependable communication. Constructed with a resilient 10mm solid shaft (with flat), an M12 connector for secure wiring, and a broad 10-30V DC operating voltage, this encoder guarantees consistent and reliable operation even in the most challenging industrial settings. From sophisticated robotics to rapid conveyor lines, the 842E-CM-SIP4BA exemplifies Allen-Bradley's dedication to advanced automation solutions.Key Features Ethernet/IP Communication with CIP Motion: Provides real-time and synchronized motion feedback, essential for high-performance automation and seamless integration within Rockwell Automation platforms. High-Resolution 18-bit Absolute Encoder: Achieves superior accuracy with 262,144 steps per revolution, enabling ultra-precise position tracking and fine-tuned control for critical operations. Single-Turn Operation: Simplifies initial setup and ensures immediate, reliable position data upon power-up, making it perfect for applications requiring absolute position referencing. Robust 10mm Solid Shaft with Flat: Engineered for industrial longevity and stability, offering secure coupling and exact mechanical integration into a wide array of machinery. Secure M12 Connector: Guarantees dependable and robust electrical connections, reducing downtime and maximizing operational efficiency in demanding industrial environments. Wide Operating Voltage (10-30V DC): Offers versatility and compatibility with various industrial power supplies, streamlining integration into existing control systems globally. Compact & Robust Industrial Design: Built to endure the rigors of demanding automation environments, ensuring long-term reliability and consistent performance. Technical Specifications Model: 842E-CM-SIP4BA Series: 842E Ethernet/IP Absolute Encoders Communication Protocol: Ethernet/IP with CIP Motion Resolution: 18-bit (262,144 steps per revolution) Type: Single-Turn Absolute Encoder Shaft Type: 10mm Solid Shaft with Flat (Standard Industrial Compatibility) Connector Type: M12 (for Secure and Reliable Connectivity) Operating Voltage: 10-30V DC Mounting: Flange Mount Certifications: UL, CE, RoHS (Confirming Adherence to Global Standards) Applications Robotics & Advanced Motion Control: Delivers the essential precise real-time position feedback for intricate robotic systems, ensuring accurate movement and synchronization. Conveyor Systems & Material Handling: Boosts automation efficiency and throughput in logistics and manufacturing by supplying reliable position data for various material transport setups. Packaging & Assembly Lines: Supports high-speed, accurate positioning of components and products, critical for maintaining quality and rapid production in automated assembly processes. Automated Storage & Retrieval Systems (AS/RS): Improves motion tracking and positioning precision for highly automated warehouse and inventory management systems. CNC & Precision Machinery: Ensures highly accurate tool positioning and synchronization, leading to superior product quality and reduced material waste in machining operations. Print and Converting Equipment: Facilitates precise registration and material handling, crucial for high-quality output and efficient production in the printing and converting industries. Why ChooseWith its 18-bit resolution, the 842E-CM-SIP4BA provides unmatched accuracy, making it the perfect selection for demanding tasks.Order NowContact us to integrate the Allen-Bradley 842E-CM-SIP4BA into your system.FAQWhat is the resolution of this encoder?The 842E-CM-SIP4BA features an 18-bit resolution, offering 262,144 steps per revolution for highly accurate position tracking.What communication protocol does it use?This encoder utilizes Ethernet/IP with CIP Motion for real-time and synchronized communication.Is this a single-turn or multi-turn encoder?It is a single-turn absolute encoder, providing reliable position data immediately upon power-up.What is the operating voltage range?The operating voltage for this encoder is a wide 10-30V DC, ensuring flexibility for various power supplies.What type of shaft does it have?It features a robust 10mm solid shaft with a flat, designed for industrial durability and easy integration.

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PRODUCT DETAILS

Allen-Bradley 842E-CM-SIP4BA

Overview

This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: 842E-CM-SIP4BA
  • Series: 842E Ethernet/IP Absolute Encoders
  • Communication Protocol: Ethernet/IP with CIP Motion
  • Resolution: 18-bit (262,144 steps per revolution)
  • Type: Single-Turn Absolute Encoder
  • Shaft Type: 10mm Solid Shaft with Flat (Standard Industrial Compatibility)
  • Connector Type: M12 (for Secure and Reliable Connectivity)
  • Operating Voltage: 10-30V DC
  • Mounting: Flange Mount
  • Certifications: UL, CE, RoHS (Confirming Adherence to Global Standards)

Applications

  • Robotics & Advanced Motion Control: Delivers the essential precise real-time position feedback for intricate robotic systems, ensuring accurate movement and synchronization.
  • Conveyor Systems & Material Handling: Boosts automation efficiency and throughput in logistics and manufacturing by supplying reliable position data for various material transport setups.
  • Packaging & Assembly Lines: Supports high-speed, accurate positioning of components and products, critical for maintaining quality and rapid production in automated assembly processes.
  • Automated Storage & Retrieval Systems (AS/RS): Improves motion tracking and positioning precision for highly automated warehouse and inventory management systems.
  • CNC & Precision Machinery: Ensures highly accurate tool positioning and synchronization, leading to superior product quality and reduced material waste in machining operations.
  • Print and Converting Equipment: Facilitates precise registration and material handling, crucial for high-quality output and efficient production in the printing and converting industries.

Why Choose the 842E-CM-SIP4BA?

With its 18-bit resolution, the 842E-CM-SIP4BA provides unmatched accuracy, making it the perfect selection for demanding tasks.

Availability & Shipping

  • In stock: 842E-CM-SIP4BA ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 842E-CM-SIP4BA ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 842E-CM-SIP4BA features an 18-bit resolution, offering 262,144 steps per revolution for highly accurate position tracking.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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