Siemens 6ES7241-1CH32-0XB0 Industrial Automation Module. Siemens 6ES7241-1CH32-0XB0 is the exact manufacturer order number for a industrial automation module in the SIMATIC S7-1200 portfolio. Siemens describes this exact reference as: SIMATIC S7-1200, Communication module CM 1241, RS422/485, 9-pole D-sub (socket) supports Freeport. The verified manufacturer lifecycle record is PM300: Active Product.