Allen-Bradley 1747-SDN DeviceNet Scanner Module

The Allen-Bradley 1747-SDN DeviceNet Scanner Module is a legacy, single-slot DeviceNet scanner designed for the SLC 500 family of controllers, enabling an on‑rack connection between a DeviceNet network and the SLC backplane. It acts as the DeviceNet master on the PLC’s rack, allowing data exchange with multiple DeviceNet devices such as sensors, actuators, and I/O modules by mapping their data into the SLC 500 data areas. Configuration and ongoing diagnostics are performed with Rockwell Automation’s RSNetWorx for DeviceNet, using a SCANlist to define how DeviceNet input and output data appear in the SLC data table and to manage device connections, node addresses, and explicit messaging where needed. The module’s integration relies on a compatible DeviceNet network and the appropriate installation software, and it sits alongside other SLC 500 I/O modules in the same chassis to provide a cohesive automation I/O strategy. In typical factory automation deployments, the 1747-SDN connects legacy DeviceNet peripherals to an SLC 500 processor, enabling straightforward interoperation with Rockwell tools and simplifying retrofits or incremental upgrades that keep older equipment productive while extending DeviceNet connectivity to modern control schemes.