SIEMENS 6DD1600-0BA1 Description Description SIEMENS SIMATIC TDC CPU551 64-BIT CPU MODULE WITH DIGITAL INPUTS Related products SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FK7060-5AF71-1FH3 Quick View 6SL3120-1TE32-0AA4 SIEMENS 1790L811A SIEMENS 1FK7044-7AF71-1EG0