What's the difference between ABB CS513 and CS513AK01? Recently, our company received the offers about CS513(3BSE000435R1) and CS513AK01(3BSE091971R1). Both of them are ABB Advant Controller 450 MasterBus 300/300E Communication Modules, what's the difference? CS513 manufactured date earlier than CA513AK01. It is discontinued. CA513AK01 is in the limit life cycle phase since July 1th, 2025. The com...