The maximum number of expansion modules is 7
Test and commissioning functions: Includes status block
16 online/runtime languages
IP40 (enclosure)
1 Multimode ST(BFOC) port
6AV6643-0AA01-1AX0 Sinumerik 840C The maximum number of expansionType: TP277 Display: TFT, 5. 7", color, 256 colors, 320x240 pixels Controls: Touch Screen, numeric, alphanumeric, hexadecimal Connections: USB, RS 422 485, Ethernet Memory: 4 MB usable, max. 64 MB Protocols: PROFINET IO, PROFIBUS, TCP IP, MODBUS Protection: IP65 (front), IP20 (back), NEMA 4x Operating temperature: 0C to 50C Operating system: Windows CE Configuration: WinCC flexible Standard Dimensions: 212x156x45 mm, Weight: 0. 78 kg