The SIPLUS Siemens ET200SP CPU 1512SP-1 PN is a high-performance CPU designed for the ET 200SP distributed I/O system. It is based on the standard SIMATIC S7-1500 CPU 1512SP-1 PN, with additional features that make it suitable for use in harsh environments. Below are the key specifications and features of the SIPLUS ET200SP CPU 1512SP-1 PN