Siemens 6ES7155-6AU01-0CN0 SIMATIC ET 200SP IM155-6PN/2 HF PROFINET Remote I/O Interface Module

Siemens 6ES7155-6AU01-0CN0 is a SIMATIC ET 200SP interface module, IM 155-6 PN/2 HF, with a 2-port PROFINET interface supporting S2 system redundancy and multi-hot-swap of up to 64 ET 200SP modules plus 16 ET 200AL modules. It provides isochronous mode down to a 250 us bus cycle and requires a separate BusAdapter for the physical Ethernet ports.

Technical Specifications

Selection Notes

The High Feature (HF) designation and S2 system redundancy support are what set this interface module apart - choose it specifically for stations needing PROFINET media redundancy (MRP) or system redundancy against a controller failover, or where up to 64 I/O modules exceed a base module's station limit. Isochronous mode down to a 250 us bus cycle with 1 us jitter matters for motion or fast closed-loop applications; skip it for simple discrete I/O where standard cyclic PROFINET is sufficient. The BusAdapter (RJ45, FC, M12, SCRJ, or LC variants) is ordered separately - this module ships without physical Ethernet ports.

Applications

Serves as the head module for ET 200SP distributed I/O stations on PROFINET networks requiring redundant media paths, isochronous motion synchronization, or large I/O counts across up to 64 ET 200SP and 16 ET 200AL modules.