The Siemens SIMATIC S7-300 has central processing unit for PLC technology and safety tasks with 1.5 MB work memory has interface such as 1st interface MPI/DP 12 Mbit/s, 2nd interface DP (drive), 3rd interface Ethernet PROFINET with 2-port switch, Integr. I/O for technology, Front connector (1x 40-pole) and micro memory card min. 8 MB required.
Power loss: 8.5 W Retentive data area (incl. timers, counters, flags), max. 256 kbyte
