We sell all series of SIEMENS brand PLC ,INVERTER ,HMI, Software with competitive price and big stock. SIMATIC S7-300 - Siemens PLCORDERINGPartDescriptionCPU6ES7 312-1AD10-0AB0CPU 312, 16 KB6ES7 312-1AE13-0AB0CPU 312, 32 KB6ES7 314-1AG13-0AB0CPU 314, 48 KB6ES7 315-2AF03-0AB0CPU 315-2 DP, 128 KB, Dual Port6ES7 315-2AG10-0AB0CPU 315-2 DP, 128 KB, Dual Port6ES7 315-2EG10-0AB0CPU 315-2 PN/DP, 128 KB, ...