The Siemens 6ES7412-2XK07-0AB0 (CPU 412-2) is a high-performance S7-400 PLC with 1 MB work memory and support for isochronous PROFIBUS. It features a processing speed of 31.25 ns for bit operations and is engineered using STEP 7 V5.4 or higher.
The Siemens 6ES7412-5HK06-0AB0 is a SIMATIC S7-400 CPU 412-5H module, delivering high-performance processing and redundancy for complex, mission-critical industrial automation and process control systems.