Allen Bradley 1756-A13 C ControlLogix 13 Slot Chassis. Allen Bradley 1756-A13 /C ControlLogix 13 Slot Chassis JAN2020" is in sale since Thursday, August 27, 2020. This item is in the category "Business & Industrial\Industrial Automation & Motion Controls\PLCs & HMIs\PLC Chassis". The seller is "msbanker1" and is located in ALLISTON. This item can be shipped worldwide.