Here are the brief English parameters of Allen - Bradley 2711 - B5A8:
Model: 2711 - B5A8
Product Line: PanelView 550 from Bulletin 2711 PanelView standard operator terminal product line
Display Size: 5.5 - inch
Resolution: 256×128
Display Area: 120 x 60 mm (4.75 x 2.38 in)
Display Type: Monochrome LCD with blue mode, LED back - light, 100,000 - hour backlight life
Communication Ports: DH+ and RS232 (for printer)
Application Runtime Memory: 170 KB
Non - volatile Memory: 240 KB (application objects plus text and bitmaps)
Input Voltage: 85 - 264 V ac
Input Frequency: 47 - 63 Hz
Keypad: 10 function keys (F1 - F10), fully customizable
Touch - sensitive Interface: Yes, both keypad and touch screen can be used up to 1 million times
Enclosure: NEMA Type 12/13, 4X (indoor use only), IP54, IP65
Status Indicators: Green for communication, red for fault