Siemens 6ES7135-6HD00-0BA1 Analog Output Module. Siemens 6ES7135-6HD00-0BA1 is the exact manufacturer order number for a analog output module in the SIMATIC ET 200 Distributed I/O portfolio. Siemens describes this exact reference as: SIMATIC ET 200SP, Analog output module, AQ 4XU/I Standard, suitable for BU type A0, A1, Color code CC00, Module diagnostics, 16 bit, +/-0.3%. The verified manufacturer lifecycle record is PM300: Active Product.