4MP181.0843-03-SUB B & R Automation
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The 4MP181.0843-03-SUB is a mobile panel manufactured by B & R Automation and is part of the 4MP Mobile Panels series. It features an 8.4 inch display with a resolution of 640 x 480 pixels, supports 256 colors, and has a brightness of 120 cd/m². The panel is powered by a Geode SC2200 266 MHz processor, offers 64 MB DRAM, 2 MB flash memory, and includes one CompactFlash slot and two USB ports.
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Product Description:
The 4MP181.0843-03-SUB mobile panel is produced by B & R Automation as part of the 4MP Mobile Panels series. It functions as a portable human-machine interface that brings machine status data, alarm messages, and jogging commands directly to an operator standing beside automated equipment. This arrangement reduces walk-back time to fixed stations and supports safer setup, test, and maintenance procedures in industrial automation cells.
The unit is powered from a control rail at 24 VDC ±25%, allowing installation without an additional converter. Its TFT screen, measured diagonally at 8.4 in, offers a visual workspace that suits parameter lists and trend graphs. Images are rendered at 640 × 480 pixels, a VGA format that balances detail with real-time refresh. Illumination is supplied at 120 cd/m², providing legibility under typical factory lighting, while a 250:1 contrast ratio and a 256-color palette maintain clear differentiation between foreground objects and backgrounds. The computational load is handled by a Geode SC2200 266 MHz 32-bit x86 CPU, which is adequate for graphical menu navigation, alarm logging, and touch sampling without external coprocessors. A resistive analog touch layer with 78% transmission sits over the display, and its Hampshire 12-bit controller forwards coordinates via a serial link for deterministic response.
For longevity, the backlight is rated at 50,000 hours, supporting multi-year use so that screen clarity remains stable across shifts. Program variables and alarm buffers reside in 64 MB of DRAM, and onboard flash memory provides 2 MB of nonvolatile storage when power is removed. Two USB host ports accept barcode readers or memory sticks, while a single CompactFlash slot supports recipe transfer. The housing weighs 1900 g, giving the panel enough mass for one-hand stability without causing excessive fatigue during extended use.
