Salient features:4.5 "pixel graphics display, can display a graph or bar graph.Compact design to save space (the opening size of the installation is the same as the opening size of OP7)MultiMedia Card (MMC) memory card for the formulation data and project backupUSB interface for the printer and the project downloadBuilt-in MPI and PROFIBUS DP (12 Mbit / s)Arbitrary scaling character size5 kinds of online online languages, including Asian and Cyrillic (Cyrillic) languageSoftkey with the graphic markPowerful new featuresCan be configured using SIMATIC WinCC flexible Standard6AV6 641-0BA11-0AX0 STN liquid crystal display (LCD) black and white, 4.5 inches, resolution (160 * 64) 256KB user memory.

SIMATIC OP 77A - small, cost-effective operator panel