AutomationDirect's line of Click micro brick PLCs includes standard CPU units
AutomationDirect’s line of Click micro brick PLCs includes standard CPU units. The units feature eight discrete inputs and six discrete outputs, available in four combinations of built-in I/O types. In addition to two RS-232 RJ12 communication ports, the standard CPU units are equipped with one RS-485 communication port and feature real-time clock and battery backup for the internal SRAM. Sold separately, the battery allows data to be stored for up to five years.