... UNIT WITH256 KBYTE WORKING MEMORY,1. INTERFACE MPI/DP 12MBIT/S,2. INTERFACE ETHERNET PROFINET,6ES73152EH130AB0CPU317-2DPSIMATIC S7-300, CPU 317 ... WITH1 MB WORKING MEMORY,1. INTERFACE MPI/DP 12MBIT/S,2. INTERFACE ETHERNET PROFINET,6ES7317-2EK13-0AB0CPU318-2DPSIMATIC S7-300, ... ,4 MBYTE WORKING MEMORY,1. INTERFACE MPI/DP 12MBIT/S,2. INTERFACE DP-MASTER/SLAVE,6ES7318-3EL00-0AB0MEMORRY MMC CARD64K6ES7953- ...