Siemens 6ES7134-8FF00-0AN0 Analog Input Module. Siemens 6ES7134-8FF00-0AN0 is the exact manufacturer order number for a analog input module in the SIMATIC ET 200 Distributed I/O portfolio. Siemens describes this exact reference as: SIMATIC ET 200BL, analog input module, AI 8xU, module diagnostics, 16 bit packing unit: 1 unit, color code CC02. The verified manufacturer lifecycle record is PM300: Active Product.