The Allen-Bradley 1747-L511 SCL 500 Controller Processor is designed for applications including small process control, material handling, HVAC control, and more. It contains a PLC-5 processor-based instruction set and can be standalone or distributed throughout for SCADA applications. The processor is entry-level for the modular style hardware of the SLC 500, and includes 1kb of memory, making it capable of handling up to 3,940 I/O signals. The module does not support implementation of Remote I/O topology. The processor is UL listed to US and Canadian Safety Standards, CE compliant, and C-Tick marked.