The Siemens 6ES7272-0AA20-0YA0 is a robust and reliable operator panel from the renowned Simatic S7 series. This text display panel is specifically designed for S7-200 systems, offering a clear and concise interface for operator control and monitoring. It features a backlit LCD display with two lines, each capable of displaying 20 ASCII or Cyrillic characters, or 10 Chinese characters. The character size is a comfortable 5mm, ensuring easy readability in various lighting conditions.
The panel operates on a rated supply voltage of 24V DC, drawing a rated current of 120mA at 24V DC. It can be powered via the S7-200 communications interface or an optional external power supply unit. The panel also boasts an RS 485 interface, supporting a maximum transmission rate of 187.5 kbit/s.
The Siemens 6ES7272-0AA20-0YA0 is designed for point-to-point functionality and can be used to set up a network with a maximum of 126 nodes, including S7-200, OP, TP, TBP, PG/PC. It offers a high degree of protection with an IP65 rating at the front, making it suitable for use in challenging environments.
The panel is compact and lightweight, with dimensions of 148mm in width, 76mm in height, and 27mm in depth, and weighs approximately 250g. It requires a mounting cutout of 138mm in width and 68mm in height, and can be installed on a cabinet or switchboard with a strength of 0.3mm to 4mm.
In summary, the Siemens 6ES7272-0AA20-0YA0 is a versatile and efficient operator panel that offers excellent functionality and ease of use, making it a valuable addition to any S7-200 system.