6ES7155-6AU01-0CN0

SIMATIC ET 200SP, PROFINET 2-port interface module IM155-6PN/2 High Feature, 1 slot for SIMATIC BusAdapter, max. 64 Periphery modules and 16 ET 200AL modules, S2 redundancy, Multi Hot swapping, 0,25ms isochronous mode, inclusive server module

Source : Siemens