4MP251.0571-K02 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 4MP251.0571-K02 is part of the 4MP Mobile Panels series and features a 5.7 inch QVGA display with 14 soft keys and an emergency stop function. The panel offers 64 MB SDRAM, 256 kB SRAM, and supports connectivity via an RS232 serial interface. It operates on 24 VDC supply voltage and has a storage temperature range of -20 to 60°C.
Internal Product Review
The 4MP251.0571-K02 is a B & R Automation mobile panel with a 5.7 in display and QVGA resolution. An integrated emergency stop and 24 VDC supply make the unit well suited for dependable machine-side operation. The 14 soft keys support efficient operator input, making the panel a strong choice for mobile control applications.
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Product Description:
The 4MP251.0571-K02 is a hand-held operator terminal manufactured by B & R Automation as part of the 4MP Mobile Panels series. The unit combines visualization and direct machine access in a single housing, giving operators mobility while maintaining the performance of a fixed HMI. It serves as a local point for starting, stopping, and adjusting automated sequences on robots, packaging lines, or process skids, linking the user to the controller through hardwired interfaces and integrated safety hardware. Its portable format supports operation near the machine so status changes can be checked without returning to a cabinet-mounted screen.
In operation, the panel presents data on a 5.7 in TFT that renders a QVGA pixel matrix, giving clear status text and simple graphics without excessive power demand. A base supply of 24 VDC feeds the logic, the backlight, and the touch circuitry, making the panel compatible with common control cabinet power rails. Program variables and runtime screens are buffered in 64 MB of SDRAM, so even large projects can run without noticeable screen delays. For point-to-point linking with legacy PLCs or service laptops, the housing carries an RS232 interface that supports asynchronous protocols and direct data transfer. This arrangement allows the mobile station to provide the same general control access as a fixed panel while remaining connected through a hybrid cable.
An illuminated emergency stop switch on the front face lets the operator disable motion circuits immediately and supports Category 0 stop requirements. The membrane provides 14 configurable soft keys, so frequently used actions can be executed without navigating through multiple screens. Parameter snapshots that must survive a power cycle reside in 256 kB of SRAM, preventing the loss of counts or batch identifiers when the panel is unplugged. Rated storage conditions of -20 to 60°C help protect the electronics during transport or spare storage. The sealed handheld format also suits production areas where direct access at the point of operation is more practical than using a stationary interface.
