SIMATIC S7-1200, spare part, I/O terminal block tinned, coded right, CPU 1214C/1215C input side, (4 pieces with 20 screws each) SIMATIC S7-1200 Basic Controller - flexible thanks to a wide range of communication options. The SIMATIC S7-1200 family also offers accessories tailored to your needs. These range from battery boards for long-term buffering of the real-time clock, memory cards, push-in terminals and input simulators to Ethernet switches with four RJ45 ports.