Systems Back to Systems Home > Systems Filtered Search 6ES59427UB11 CPU MODULE 942 115U CTR 10KB Type CPU Modules Manufacturer SIEMENS Request Quote 6ES59447UB21 Siemens 6ES59447UB21 CPU Modules - CPU MODULE 944 115U 96KB (with Two Serial Interfaces) Type CPU Module Type CPU Modules Manufacturer SIEMENS Request Quote