Posted on May 19, 2013June 4, 2013 by adminSiemens / Texas Instruments 6ES54537LA11 REPAIR Siemens / Texas Instruments 6ES54537LA11 DIG OUT,16Q,24/60VDC,ISOL-8,0. Category: Siemens / Texas Instruments > Siemens > S5 Model #: 6ES54537LA11 Repair Price: GET A QUOTE NOW