Siemens 6ES7 231-0HC22-0XA8 SIMATIC S7-200 CN, Analog Input EM 231, for S7-22X CPU ONLY, 4 AI, 0-10V DC, 12 BIT Converter: Amazon.com: Industrial & Scientific
Amazon.com: Washinglee PLC Programming Cable for Siemens Logo! Series, No Driver Installation Required, Isolated Interface, for 6ED1057-1AA01-0BA0 Replacement : Everything Else