SIMATIC IM 155-6 DP High Feature with PROFIBUS connection
 Max. 32 I/O modules, also PROFIsafe modules with complete diagnostic support.
 Expansion option with max. 16 modules from the ET 200AL series using the BU-Send BaseUnit and the BA-Send BusAdapter
 Max. 244 bytes in each case for input and output data per module and per station
 Data update time: typ. 5 ms
 PROFIBUS connection via 9-pin D-sub socket
 Package includes server module and PROFIBUS connector with PG socket
SIMATIC IM 155-6 PN Basic with PROFINET connection
 Max. 12 I/O modules, no PROFIsafe modules, with complete diagnostic support
 Max. 32 bytes in each case for input and output data per module and per station
 Data update time: typ.1 ms
 PROFINET connection via 2 integrated RJ45 sockets (integrated 2-port switch)
 Package includes server module