Article Number (Market Facing Number)：6ES71556AU300CN0 | 6ES71556AU300CN0
Product Description：SIMATIC ET 200SP, PROFINET, 3-port interface module, IM 155-6PN/3 High Feature, 2 slots for BusAdapter, max. 64 I/O modules and 16 ET 200AL modules, S2 redundancy, multi-hotswap, 0.25 ms, isochronous mode, optional PN strain relief, including server module
Product family：IM 155-6
Product Lifecycle (PLM)：PM300:Active Product