Siemens 6ES7193-6MR00-0DA0 mounting rail. Siemens 6ES7193-6MR00-0DA0 is a mounting rail in the SIMATIC ET 200 Distributed I/O range. Siemens’ exact-order-number description: SIMATIC system rail, length 2000 mm, with DIN mounting rail according to EN 60715 (35 × 7.5), with 6 mm profile grooves, B type.