Specifications for SIMATIC HMI devices for machine control and monitoring Graphics-oriented panels Graphics-oriented operator panel Display: LED-backlit STN LCD, MTBF approx. 50,000h Resolution : 320 x 240 Number of colors : 4 blue scales Character height : fully scalable Service concept : CF card slot for backup/restore Printer port : serial / Keyboard : Membrane keyboard, 14 system keys, 24 function keys, of which as many as 6 softkeys are configurable 18 keys with LEDs Messages : Operating messages/fault messages analog or binary, system messages No. of messages : approx. 2000 Process images : approx. 100 Recipes: about 100 with 200 data records and 200 entries Info texts: on messages, process images and recipes Password levels : 10 Clock : integrated hardware clock with battery backup, synchronizable Interface options: SIMATIC S5 (by means of converter)/S7/M7, SIMATIC 505 , Allen Bradley, Mitsubishi, AEG Modicon, Omron Additional features: Printer port, 5 online languages, 32 configuration languages, configuration software running under Windows 95/2000/XP, timer function, bar graph displays, graph displays, signal lamps, dynamic graphics and various others Supply voltage : 24 V DC Temperature range (in operation) : 0 to 50?C (if installed vertically) Degree of protection, front : IP 65 Approvals : CE, cULus 508, CSA, FM, Nema4 Front panel (W x H) in mm : 240 x 252 Installation cutout (w x h x d) in mm 229 x 241 x 55 Communication interfaces : 2xRS232, 1xRS458/422 Manufacturer/Type: SIEMENS Operator Panel SIMATIC OP 170B or equivalent Order Nos.: 6AV6542-0BB15-2AX0