Siemens 6ES7148-4CA00-0AA0 Variable Speed Drive Component. Siemens 6ES7148-4CA00-0AA0 is the exact manufacturer order number for a variable speed drive component in the SIMATIC ET 200 Distributed I/O portfolio. Siemens describes this exact reference as: SIMATIC DP, Power module for Electronic modules ET 200 PRO PM-E, 24 V DC, incl. bus module, connection module PM-E 6ES7194-4B.00-0AA0 order separately. The verified manufacturer lifecycle record is PM300: Active Product.