845G-S3G8HC2048A

Overview of Allen Bradley 845G-S3G8HC2048A

The Allen Bradley 845G-S3G8HC2048A is a high-performance single-turn absolute encoder designed to deliver reliable and accurate position feedback in demanding industrial settings. Built to NEMA Type 4/Type 13 standards, this optical encoder offers protection from contaminants and environmental impact, making it well-suited for use in a variety of harsh locations. Featuring 11-bit resolution (2048 positions per revolution), size 25 servo mounting, and Gray code output, the 845G-S3G8HC2048A ensures precise and consistent feedback essential for process automation, conveyor systems, and industrial machinery requiring absolute position referencing. Its compact form and sturdy construction help reduce installation complexity and downtime, supporting ongoing productivity in critical operations.

Key Features of Allen Bradley 845G-S3G8HC2048A

• Single-turn absolute encoder with 11-bit (2048 CPR) resolution
• Gray code parallel output for straightforward integration
• Operating voltage: 8–24 VDC
• Size 25 housing with English servo mounting
• Meets NEMA Type 4/13 for robust protection
• Shaft design supports direct coupling
• Excellent accuracy for precise position measurement

Technical Specs of 845G-S3G8HC2048A

• Resolution: 11 bit / 2048 counts per revolution
• Output code: Gray code parallel
• Power supply: 8–24 VDC
• Mounting style: Size 25 (2.5 in), English servo
• Protection rating: NEMA Type 4/Type 13
• Electrical connection: 19-pin connector
• Shaft: standard solid shaft

Applications / Use Case

The Allen Bradley 845G-S3G8HC2048A is widely deployed in industrial automation for applications requiring dependable position feedback and system accuracy. Typical uses include motor-driven production equipment, material handling systems, and robotic assemblies where absolute position data improves safety and process control. Its rugged design and NEMA-rated enclosure make it ideal for manufacturing environments subject to dust, moisture, and vibration, such as automotive production lines, packaging systems, and conveying solutions. By providing absolute position information, this encoder eliminates concerns related to power cycling, simplifying machine start-up and reducing operator intervention. The 845G-S3G8HC2048A's Gray code output delivers fast, error-resistant communication to PLCs and motion controllers, supporting precision-driven applications where reliability is paramount.

Related Resources

• LeadTime.ca – Industrial Automation Components & Repair Services
• View All Allen Bradley Products
• Examples of Industrial Automation and Control Systems
• Allen Bradley 5069-L320ER CompactLogix Controller
• Allen Bradley 1756-EN2TR EtherNet/IP Module