Allen-Bradley 1771-SDN Overview The Allen-Bradley 1771-SDN is a DeviceNet scanner module designed for use in PLC-5 classic chassis (1771 I/O). It allows a PLC-5 controller to communicate with multiple DeviceNet devices, functioning as the DeviceNet master in a master/slave configuration. With support for up to 63 nodes, the 1771-SDN streamlines fieldbus integration into industrial automation systems. Key Features Communication Protocol: DeviceNet Chassis Compatibility: 1771 series (PLC-5) Network Support: Up to 63 slave nodes Baud Rates Supported: 125 kbps, 250 kbps, 500 kbps LED Indicators: Network and module status I/O Messaging: Poll, Bit-Strobe, Change of State (COS), Cyclic Configuration: RSNetWorx for DeviceNet or PLC-5 programming software Technical Specifications Catalog Number: 1771-SDN Mounting: 1771 I/O chassis (left slot) Power Supply: 5V DC (via chassis) Network Cable Type: Shielded twisted pair Isolation Voltage: 600V (tested) Operating Temp: 0°C to +60°C Storage Temp: -40°C to +85°C Certifications: UL Listed, CSA, CE Dimensions: Standard 1771 module size Applications Integrating distributed I/O via DeviceNet Control of sensors, actuators, VFDs, and smart devices Legacy PLC-5 automation systems Factory automation and material handling Packaging and assembly lines Why Choose the 1771-SDN Seamless Integration: Adds DeviceNet capability to legacy PLC-5 systems Robust Networking: Supports up to 63 nodes with flexible I/O messaging Reliable Operation: Proven performance in industrial environments Global Certification: Meets international industrial standards Extended Life Support: Ideal for legacy control system upgrades Order Now The Allen-Bradley 1771-SDN DeviceNet scanner module is available and ships worldwide.
