SIEMENS SIMATIC S7-300 CPU 317-2 DP 6ES7317-2AK14-0AB0
Siemens SIMATIC series S7-300 which is CPU 317-2 DP and Central processing unit with 1 MB work memory. 1st interface MPI/DP 12 Mbit/s, 2nd interface DP master/slave Micro Memory Card required of 4MB