Allen Bradley 842A-31NB Multi-Turn Absolute Encoder, Industrial Automation
The Allen Bradley 842A-31NB Multi-Turn Absolute Encoder is an advanced control solution designed for industrial applications requiring precise position feedback and control. It offers reliable performance in harsh environments and is ideal for use in machinery, manufacturing systems, and automation processes.
Manufacturer:Rockwell Automation
Model Number:842A-31NB
Encoder Type:Multi-Turn Absolute
Resolution:16 bits per turn
Operating Voltage:10-30 VDC
Operating Temperature Range:-25°C to +85°C
Protection Rating:IP67
Output Signal:RS485, SSI
Communication Protocol:Modbus RTU, Modbus ASCII
Mounting Style:Hubless / Hub Coupling
Shaft Diameter:10mm
Shaft Length:30mm
The A-B 842A-31NB Multi Turn Absolute Encoder is designed for industrial automation applications requiring precise position feedback. With its robust construction and advanced technology, this encoder delivers reliable performance under harsh conditions.
This encoder supports multiple communication interfaces including SSI, BISS, and EnDat, making it versatile for integration into existing systems. Its high resolution of up to 20 bits ensures accurate position detection even after multiple rotations.
Built with a stainless steel shaft for durability, the encoder can operate within a wide temperature range from -40°C to +85°C. The IP65 protection rating guarantees protection against dust and water ingress, ideal for outdoor and washdown applications.
Installation is straightforward with clear markings on the encoder body for alignment. The encoder’s compact size allows for easy mounting in tight spaces, optimizing space utilization in your control cabinet or machinery setup.
Our A-B 842A-31NB encoder is backed by a comprehensive warranty and our dedicated support team. We offer technical assistance and troubleshooting services to ensure your equipment runs smoothly.










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