The Simatic ET 200SP Siemens PLC 6ES7155-6BA01-0CN0 is a PROFIBUS bundle IM, IM 155-6DP HF, designed for a maximum of 32 I/O modules and 16 ET 200AL modules. It supports multi-hotswap and consists of: an interface module (6ES7155-6BU01-0CN0), a server module (6ES7193-6PA00-0AA0), and a PROFIBUS connector (6ES7972-0BB70-0XA0). With the SIMATIC ET 200SP, Siemens offers a multifunctional and distributed I/O system suitable for various automation applications.