MAIN NAME INTERFACE COMPLEMENTARY NAME OPERATION TECHNOLOGY MICROPROCESS KEYBOARD MEMBRANE KEYBOARD KEY 8 KEYBOARD KEYS PROGRAMMABLE DISPLAY 1 DISPLAY RES 160X64 VOLTAGE 24 VDC OTHER REQUIREMENTS SEE OBS COMMERCIAL REFERENCE SIEMENS-6AV6641-0CA01-0AX1 (8686887 ) OBS: – SERIES SIMATIC OP77B; – OPERATION PANEL; – DISPLAY 4.5” MONOCHROME; – 23 KEYBOARD KEYS NUMERICAL/DIAGNOSTIC; – FRONT DIMENSIONS 150 X 186 MM; – OPERATING SYSTEM WINDOWS CE; – TRANSMISSION RATE MAX 12 MBIT/S.