Siemens 6ES7350-2AH01-0AE0 Industrial Automation Module — Legacy Replacement. Siemens 6ES7350-2AH01-0AE0 is the exact manufacturer order number for a industrial automation module in the SIMATIC S7-300 portfolio. Siemens describes this exact reference as: ***spare part*** SIMATIC S7-300, counter module FM 350-2, 8 channels, 20 kHz, 24 V encoder for counting, frequency measurement, speed measurement, cycle duration measurement, dosing incl. configuration package and electronic documentation on CD-ROM. The verified manufacturer lifecycle record is PM410:Product cancellation.