Allen-Bradley 1785-L46C15 PLC-5/46C ControlNet Processor By wayne No Comments on Allen-Bradley 1785-L46C15 PLC-5/46C ControlNet Processor 3 Min Read Buy the Allen-Bradley 1785-L46C15 PLC-5/46C ControlNet processor with 48K protected memory. Industrial automation controller for robust I/O control.