June 02, 2026

4PP420.0571-75 Industrial Color Touch Screen Product Description

The 4PP420.0571-75 is a high-performance integrated industrial human-machine interface belonging to B&R Power Panel 400 series. It adopts an integrated design that combines a 5.7-inch color TFT display, analog resistive touch unit, industrial-grade processor, multi-specification memory, rich communication ports and expansion slots within a sturdy metal housing. Featuring a fanless passive cooling structure and professional industrial protection design, this device is built to operate continuously and reliably in complex workshop environments with dust, humidity, vibration and electromagnetic interference. It supports standard landscape flush panel mounting and is widely deployed in compact control cabinets, automated production lines, packaging machinery, textile equipment, food processing machines, electronic manufacturing devices and general industrial machinery that require high-definition color visualization, on-site parameter setting and equipment operation control. The standard delivery lead time for brand-new original products is 6 weeks upon formal order confirmation and advance payment.

Description

4PP420.0571-75 Industrial Color Touch Screen Product Description

Product Overview

Basic Information

Manufactured in compliance with IEC international industrial standards and B&R global quality management systems, the 4PP420.0571-75 undergoes 72-hour continuous aging tests and full-function calibration before factory release. The front panel meets 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 is made of high-strength metal with good mechanical strength and vibration resistance, and the net weight is approximately 1.7 kg for easy handling and installation.

This device is equipped with a 5.7-inch QVGA color TFT LCD display, featuring a resolution of 320 x 240 pixels and supporting up to 262,144 display colors. The display adopts CCFL backlight with a brightness of 500 cd/m² and a half-brightness service life of 50,000 hours, delivering vivid and stable color images for long-term operation. The viewing angle covers horizontal ±65 degrees, vertical 65 degrees upward and 40 degrees downward, ensuring clear viewing from multiple perspectives. It is fitted with an industrial analog resistive touch screen, which supports operation with gloves and maintains accurate and sensitive touch response under electromagnetic interference conditions. The front panel is configured with 8 programmable user keys, enabling combined operation of touch and physical keys to meet diversified on-site operation demands.

In terms of hardware configuration, the device is powered by an AMD Geode LX800 500 MHz 32-bit x86 industrial processor, equipped with 128 kB L1 cache and 128 kB L2 cache to provide stable computing performance. The memory system includes 128 MB DDR SDRAM, 512 kB battery-backed SRAM and 2 MB onboard flash memory, which can store user programs, configuration parameters and historical operation 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. An external removable Renata battery with a capacity of 950 mAh is configured for data backup, with a service life of about 3 years.

For power supply, the rated input is 24 VDC with a wide voltage adaptation range of 18 VDC to 30 VDC, which can cope with common voltage fluctuations on industrial sites. The typical power consumption is 12 W, and the internal circuit integrates complete overvoltage, undervoltage, overcurrent and short-circuit protection circuits to guarantee electrical safety. Onboard communication interfaces consist of one 10/100 Mbps Ethernet port, one 9-pin D-Sub RS232 serial port and two USB 2.0 Type A ports, supporting mainstream industrial communication protocols and realizing 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. The supporting terminal block models are 0TB103.9 screw clamp type and 0TB103.91 cage clamp type. Programming and parameter configuration are completed via the B&R Automation Studio software platform.

Function and Positioning

Positioned as a compact color industrial HMI with strong expandability, the 4PP420.0571-75 acts as the core human-machine interaction terminal in medium and small industrial automation systems. It can work independently as the display and operation unit of standalone equipment, and also form a distributed control network with multiple controllers to implement partitioned equipment monitoring and coordinated operation.

In terms of display and interaction functions, the high-definition color TFT screen can clearly present real-time process data, equipment operating status, multi-level fault alarm information and detailed parameter setting interfaces. The high-brightness CCFL backlight features low brightness attenuation and long service life, ensuring consistent and vivid color display effects during long-term continuous operation. The analog resistive touch screen and programmable physical keys work together to support fast page switching, batch parameter modification and one-click command input, greatly improving on-site operation efficiency. The device has excellent electromagnetic interference resistance and can maintain stable touch and display performance in environments with frequency converters and other interference sources.

In terms of data processing and control functions, the high-performance industrial processor can run complex user programs, process multi-channel real-time data and execute intermediate logic control tasks. The matched large-capacity memory and reserved expansion slots fully satisfy the storage and expansion requirements of conventional and moderately complex automation projects. The comprehensive hardware protection mechanisms enhance the overall system stability and reduce unplanned downtime.

In terms of communication and expansion functions, the 10/100 Mbps Ethernet port supports high-speed network communication, enabling remote monitoring, program upload and download. The RS232 serial port can be connected with printers, scanners and other peripheral devices, while the USB ports facilitate convenient data transmission and on-site 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 and function expansion. The standard landscape flush mounting method simplifies assembly and disassembly, making it 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 color TFT LCD, supporting 262,144 colors, with CCFL backlight, 500 cd/m² brightness and 50,000 hours half-brightness service life. 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 and typical power consumption of 12 W. 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 and NEMA 4X 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 screw clamp terminal block and 0TB103.91 cage clamp terminal block, used 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 4PP420.0571-75 color touch screen is a core 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, high-definition color display, 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 to high 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 color 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 4PP420.0571-75 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 product 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 4PP420.0571-75 is a stable, reliable and cost-effective color industrial touch screen for compact industrial automation equipment.

Ordering and Delivery Instructions

The complete order part number is 4PP420.0571-75. 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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