Siemens 6ES7133-6CV20-1AM0 Industrial Automation Module. Siemens 6ES7133-6CV20-1AM0 is the exact manufacturer order number for a industrial automation module in the SIMATIC ET 200 Distributed I/O portfolio. Siemens describes this exact reference as: SIMATIC ET 200SP, 5 BU covers, 20mm for protection of empty slots. The verified manufacturer lifecycle record is PM300: Active Product.