SIEMENS S7-300 Standard CPU 317-2 PN/DP Technical specifications
Introduction Siemens Plc s7 300 and CPU 313c | Part 1 English Version - YouTube
SIEMENS SIMATIC S7-300 CPU 312 6ES7 312-1AE13-0AB0 / FAST SHIP DHL OR FEDEX | eBay
Buy Siemens 6ES7 313-5BG04-0AB0 SIMATIC S7-300, CPU 313C, Compact CPU with MPI, 24 DI/16 DO, 4AI, 2AO 1 PT100, 3 Fast COUNTERS (30 KHZ), Integrated 24V DC Power Supply, 128 KBYTE Working