4MP281.0843-K B & R Automation
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The B & R Automation 4MP281.0843-K is a mobile panel from the 4MP Mobile Panels series, featuring an 8.4-inch color TFT display with a resolution of 640 x 480 and a contrast ratio of 250:1. It operates using a Geode SC2200 processor with a clock frequency of 266 MHz, includes 64 MB SDRAM, and offers a 12-bit analog resistive touch controller. The panel supports 10/100 Mbit/s Ethernet, USB 1.1 connectivity, and has a max power consumption of 10 watts at 24 VDC supply voltage.
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Product Description:
The 4MP281.0843-K mobile panel is manufactured by B & R Automation as part of the 4MP Mobile Panels series. Designed as a portable human-machine interface, it combines processing electronics, networking, and a touch display in a single enclosure. This layout lets operators monitor status, adjust setpoints, and acknowledge alarms while standing next to the process equipment instead of at a fixed console.
Internally, the panel runs on a 24 VDC supply and uses a Geode SC2200 processor clocked at 266 MHz. This x86-compatible CPU coordinates the operating system, the user program, and fieldbus tasks. Visual feedback comes from an 8.4 in color TFT whose native 640 × 480 resolution matches the touch grid, so graphics are rendered pixel-for-pixel without scaling artifacts. The screen’s 250:1 contrast ratio helps keep text legible in typical indoor lighting. Data exchange with the controller network is handled through a 10/100 Mbit/s Ethernet port, enabling parameter downloads and real-time diagnostics. A CompactFlash slot accepts Type I cards for recipe storage and archived system data, and the panel contains 64 MB of SDRAM plus 256 kB of SRAM to preserve retentive variables during power loss.
Maximum power draw is 10 W, so the unit can be supplied from low-current auxiliary feeds without overloading cabinet supplies. Operator input is registered through an analog resistive touch layer that is sampled by a Hampshire 12-bit controller, allowing consistent coordinate resolution across the full viewing area. External peripherals such as barcode readers or service laptops can be attached through the front-mounted USB 1.1 interface. The installed SDRAM capacity supports the driver modules needed for those peripherals without expanding the internal memory.
Frequently Asked Questions about 4MP281.0843-K:
Q: What processor does the 4MP281.0843-K mobile panel use and what is its clock speed?
A: This panel features a processor type Geode SC2200 running at a clock frequency of 266 MHz.
Q: What are the display characteristics of the 4MP281.0843-K mobile panel?
A: The display on this panel is a color TFT with a diagonal size of 8.4 inches and a resolution of 640 x 480.
Q: What is the required supply voltage and maximum power consumption for this panel?
A: The 4MP281.0843-K is powered by a 24 VDC supply and its maximum power consumption is 10 W.
Q: What touch technology is implemented in the 4MP281.0843-K mobile panel?
A: This panel uses analog, resistive touch technology controlled by a Hampshire 12-bit controller.
Q: What communication interfaces are available on the 4MP281.0843-K panel?
A: The device provides Ethernet connectivity at 10/100 Mbit/s and supports USB 1.1 for peripheral connections.
