6AV2123-2DB03-0AX0 SIMATIC HMI KTP400 Basic datasheet pdf Siemens Simatic KTP400 Basic HMI touchpanel manual FAQ: Question: What is the size of 6AV2123-2DB03-0AX0 Siemens KTP400 touch panel?? Answer:The Siemens KTP400 Basic TouchScreen is 4.3-inch.It is 90 millimeter long and 70 millimet...