Catalog > Electro-Mechanical Components > Industrial Automation Controllogix 2 MB Controller Controllogix 2 MB Controller 1756-L71 ControlLogix5571 Controller. 32 Tasks / 100 Program Tasks. USB programming Port. 2MB Memory Call for Price 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE