June 02, 2026

4PP420.0571-45 Industrial Touch Screen Product Description

The 4PP420.0571-45 is a high-performance integrated industrial human-machine interface developed by B&R, belonging to the Power Panel 400 series. It integrates a display unit, analog resistive touch screen, industrial-grade processor, memory module, multi-protocol communication ports and expansion slots into a compact aluminum and plastic composite housing. Adopting a fanless passive cooling design and industrial protection structure, this device is engineered for long-term stable operation in complex workshop environments with dust, humidity and mechanical vibration. It supports landscape flush mounting and is widely applied in compact automation control cabinets, OEM machinery, automated production lines, packaging equipment, textile machines and general industrial machinery that require on-site data display, parameter setting and equipment operation control. The standard delivery cycle for brand-new original units is 6 weeks after formal order confirmation and advance payment.

Description

4PP420.0571-45 Industrial Touch Screen Product Description

Product Overview

Basic Information

Manufactured in accordance with IEC international industrial standards and B&R global quality management systems, the 4PP420.0571-45 undergoes strict 72-hour continuous aging tests and full-function calibration before leaving the factory. The front panel complies with IP65 and NEMA 4X protection standards to resist dust and direct water splashes, while the rear housing reaches IP20 for safe installation inside control cabinets. The overall structure features high mechanical strength and vibration resistance, with a net weight of approximately 1.2 kg for easy handling and installation.

This device is equipped with a 5.7-inch monochrome TFT LCD display with QVGA resolution of 320 x 240 pixels and LED backlight, delivering clear and stable visual output. The industrial analog resistive touch screen supports operation with gloves and maintains sensitive and accurate response under electromagnetic interference conditions. It is configured with 8 programmable user keys to realize combined operation of touch and physical keys, meeting diversified on-site operation requirements.

In terms of hardware configuration, the built-in AMD Geode LX800 500 MHz 32-bit x86 industrial processor provides reliable computing performance, supported by 128 kB L1 cache and 128 kB L2 cache. The memory system includes 128 MB DDR SDRAM, 512 KB SRAM and 2 MB onboard flash memory, which can store user programs, configuration parameters and historical data. A Type I CompactFlash slot and one aPCI expansion slot are reserved for extended storage and functional module expansion. The integrated hardware watchdog circuit and power-off protection mechanism effectively prevent system crashes and data loss caused by program exceptions and instantaneous power failures.

For power supply, the rated input is 24 VDC with a wide voltage range of 18 VDC to 30 VDC, adapting to common voltage fluctuations on industrial sites. The internal circuit integrates complete overvoltage, undervoltage, overcurrent and short-circuit protection circuits to ensure electrical safety. Onboard communication interfaces consist of one 10/100 Mbps Ethernet port, one RS232 serial port and two USB 2.0 Type A ports, supporting mainstream industrial communication protocols and stable data interaction with upper PLC, industrial computers and peripheral devices. Multiple status indicator LEDs on the panel clearly display power, operation, fault and communication status for convenient on-site inspection and maintenance.

The standard package only contains the touch screen main unit. Wiring terminal blocks, power cables, communication cables and installation accessories need to be purchased separately. Programming and parameter configuration are completed via the B&R Automation Studio software platform.

Function and Positioning

Positioned as a compact and expandable industrial HMI, the 4PP420.0571-45 serves as the core human-machine interaction terminal in small and medium-sized industrial automation systems. It can operate independently as the display and operation unit of standalone equipment, and also form a distributed control network with multiple controllers to realize partitioned equipment monitoring and coordinated operation.

In terms of display and interaction functions, the 5.7-inch monochrome screen clearly presents real-time process data, equipment running status, fault alarm information and parameter setting interfaces. The LED backlight features low brightness attenuation and long service life, ensuring consistent display effect during long-term continuous operation. The resistive touch screen and programmable physical keys work together to support fast page switching, parameter modification and command input, effectively improving on-site operation efficiency. The device has strong electromagnetic interference resistance and can maintain stable operation in environments with frequency converters and other interference sources.

In terms of data processing and control functions, the high-performance processor can run user programs, process real-time data and execute simple logic control tasks. The matched memory and reserved expansion slots fully meet the storage and expansion requirements of conventional automation projects. The comprehensive protection mechanisms enhance the overall system stability and reduce unplanned downtime.

In terms of communication and expansion functions, the Ethernet port supports high-speed network communication for remote monitoring and program upload and download. The RS232 serial port can be connected with printers and other peripheral devices, while the USB ports facilitate data transmission and program debugging. The reserved aPCI slot and CompactFlash slot allow users to expand functional modules and storage capacity according to actual demands, realizing flexible system upgrading. The standard landscape flush mounting method simplifies assembly and disassembly, and it is suitable for both new equipment configuration and old production line renovation and upgrading.

Core Performance Parameters

For display and touch performance, the screen size is 5.7 inches with QVGA resolution of 320 x 240 pixels. The display type is monochrome TFT LCD with LED backlight. The touch screen adopts analog resistive technology and supports glove operation. It is equipped with 8 programmable user keys for dual-mode operation.

For electrical performance, the rated power supply is 24 VDC, with an allowable voltage range of 18 VDC to 30 VDC. The whole machine has low power consumption and high operation efficiency. Built-in overvoltage, undervoltage, overcurrent and short-circuit protection circuits ensure safe electrical operation.

For communication performance, it is equipped with one 10/100 Mbps Ethernet interface, one RS232 serial interface and two USB 2.0 Type A interfaces, supporting standard industrial communication protocols and ensuring stable and anti-interference signal transmission.

For environmental adaptability, the rated working ambient temperature ranges from 0°C to +55°C. The storage and transportation temperature ranges from -25°C to +70°C. It can work normally under 10% to 90% non-condensing relative humidity. The front panel reaches IP65 protection level and the rear part is IP20. The internal PCB is coated with three-proof paint, featuring excellent dustproof, moisture-proof and anti-corrosion capabilities. The product has passed industrial vibration and impact tests and can adapt to conventional mechanical vibration on site.

General Matching Accessories

Dedicated installation brackets and fixing fasteners are standard accessories, which can firmly fix the touch screen inside the control cabinet and prevent loosening caused by vibration. Insulating gaskets are recommended to be used during installation to enhance electrical safety and heat dissipation effect.

Wiring terminal blocks are essential accessories and need to be ordered separately. The supporting models are 0TB103.9 and 0TB103.91 terminal blocks for power supply and signal wiring. Original shielded power cables, Ethernet cables, serial cables and USB cables are optional matching accessories. The multi-layer shielding structure inside the cables can effectively suppress electromagnetic interference and ensure stable signal and power transmission. It is not recommended to use non-shielded cables for connection.

Waterproof cable glands and sealed connectors are used for cable inlets and outlets of the cabinet to improve the overall sealing and protection performance. aPCI expansion modules and CompactFlash memory cards can be selected according to actual functional and storage requirements to expand system capabilities.

Daily maintenance supplies include lint-free soft cloth and neutral cleaning liquid, which are used to clean dust and stains on the screen and panel. Corrosive solvents and sharp objects are prohibited from contacting the screen and keys. It is advised to reserve the same model of touch screen and vulnerable cables as spare parts for emergency replacement. All supporting accessories comply with B&R unified industrial specifications with reliable compatibility and quality.

Applicable Equipment and Fields

The 4PP420.0571-45 touch screen is a classic product of B&R Power Panel 400 series, and can be used as a replacement part for maintenance of the same type of equipment. It is widely applied in various industrial automation scenarios that require compact installation, stable human-machine interaction and expandable functions, including automated assembly lines, packaging machinery, textile and printing equipment, food and beverage processing machinery, electronic manufacturing equipment, light industrial general machinery and conventional industrial process control systems.

This product is especially suitable for equipment with limited cabinet installation space and medium operation frequency. When matched with B&R series PLC, sensors and actuators, it can form a complete set of automation control solutions. It adapts to conventional workshop environments with moderate dust, normal humidity and slight vibration. Whether it is a newly developed automation equipment project or the performance upgrade and fault replacement of old equipment, this touch screen can provide stable human-machine interaction and data transmission functions, effectively improving the automation level and operation efficiency of the equipment.

Certification and Quality Description

The 4PP420.0571-45 touch screen is produced in strict accordance with B&R's full-process quality control system and international electrical safety standards. All links such as component procurement, PCB welding, module assembly, display calibration, touch debugging and finished product testing adopt standardized operation procedures. Core components are supplied by certified industrial-grade suppliers to ensure the inherent quality of products.

Batch sampling tests cover high and low temperature cycle test, vibration durability test, long-term load operation test and EMC electromagnetic compatibility test. Each finished product must pass full-item inspections including display quality, touch sensitivity, communication stability and protection function before leaving the factory. The product has obtained CE certification and complies with RoHS environmental protection directives, containing no harmful substances, and can be legally used in most countries and regions around the world.

With mature anti-interference, anti-aging and three-proof design, the drive maintains a low failure rate and long service life under rated working conditions. The original manufacturer provides global after-sales technical services, including product technical consultation, on-site installation guidance, wiring instruction, parameter configuration, fault diagnosis and maintenance training. Verified by a large number of on-site applications worldwide, the 4PP420.0571-45 is a stable, reliable and cost-effective industrial touch screen for compact industrial automation equipment.

Ordering and Delivery Instructions

The complete order part number is 4PP420.0571-45. The product is a brand-new original touch screen with a standard 12-month manufacturer’s warranty. The standard delivery period is 6 weeks calculated from the date of formal order confirmation and receipt of advance payment. Customers can apply for urgent production and expedited logistics, which will generate additional urgent service fees.

The standard package only contains the touch screen main unit. Terminal blocks, power cables, communication cables, installation brackets and other accessories are not included in the package and must be ordered separately, with the same delivery cycle as the main unit. The goods are shipped from the overseas factory via international logistics, with complete customs clearance procedures and trackable whole logistics information. Customers are recommended to confirm the product model, power specification, accessory list and matching requirements through official authorized distributors before placing an order, so as to avoid model mismatch and unnecessary losses.

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