based on ET 200pro
SIMATIC DP CPU 1516pro-2 PN for ET 200pro with central processing unit and defined memory, interfaces, and protection.
SIMATIC DP CPU 1513pro-2 PN for ET 200pro central processing unit with specified work memory and PROFINET interfaces.
SIMATIC DP IM154-8F PN/DP CPU for ET200 PRO with integrated PROFINET and PROFIBUS DP master/slave interfaces.