Siemens Interface Modules PLC digital output module 613767 - Siemens 6ES75221BL100AA0, The Siemens 6ES7522-1BL10-0AA0 is a PLC digital output module designed for advanced automation solutions. It features high-speed switching and reliable performance, making it ideal for industrial control applications. Typically used in manufacturing processes, this module ensures efficient and precise control of machinery. Siemens 6ES75221BL100AA0 SIMATIC PLC output module 4xUSB Core i7