Siemens 6ES7341-1BH01-0AE0 Communication Processor — Legacy Replacement. Siemens 6ES7341-1BH01-0AE0 is the exact manufacturer order number for a communication processor in the SIMATIC S7-300 portfolio. Siemens describes this exact reference as: ***Spare part*** SIMATIC S7-300, CP 341 Communications processor with 20 mA interface (TTY) incl. configuration package on CD. The verified manufacturer lifecycle record is PM500:Discontinued Product or end of PLM & Support.