Siemens 6ES7138-6DB00-0BB1 Industrial Automation Module. Siemens 6ES7138-6DB00-0BB1 is the exact manufacturer order number for a industrial automation module in the SIMATIC ET 200 Distributed I/O portfolio. Siemens describes this exact reference as: SIMATIC ET 200SP, TM Pulse 2x24V PWM and pulse output 2 channels 2 A for proportional valves and DC motors. The verified manufacturer lifecycle record is PM300: Active Product.