HMISTO501 – Touch panel screen, Harmony STO & STU

Original price was: $910.00.Current price is: $700.00.

Schneider Electric’s HMISTO501, from the Harmony STO and STU series, combines a 4.3-inch resistive touch screen with robust industrial design.

7 in stock



range of product Harmony STO & STU.
product or component type Touch panel screen.
software designation Vijeo Designer.
operating system Harmony.
processor name CPU RISC.
display size 3.4 inch
display type Backlit monochrome STN LCD.
background colour White, pink and red.
display resolution 200 x 80 pixels.
touch panel Analogue
backlight lifespan 10000 hours with red.
50000 hours with pink.
50000 hours with white.
brightness 8 levels.
contrast 16 levels via a touch panel.
character font Korean.
Japanese (ANK, Kanji).
Taiwanese (traditional Chinese).
Chinese (simplified Chinese).
[Us] rated supply voltage 24 V DC +/- 20%.
inrush current 30 A.
local signalling 1 LED (green) for normal operation.
power consumption in W 5 W
number of pages Limited by internal memory capacity.
processor frequency 333 MHz.
memory description Application memory is 16 MB.
Backup of data (128 kB).
integrated connection type 1 USB 2.0-type mini B.
1 USB 2.0 type A.
power supply: removable screw terminal block.
serial link, 9-pin terminal block, RS232C.
supply External source.
realtime clock Access to the PLC real-time clock.
downloadable protocols Zelio
range compatibility Zelio Logic.
fixing mode By 2 spring clips, mounting on a 1.5-mm thick panel.
enclosure material PPT.
marking CE
immunity to microbreaks 3 ms
standards IEC 61000-6-2.
FCC Class A.
UL 508.
UL 1604.
EN 61131-2.
product certifications CE
UL Class 1, Division 2, T5.
UL Class 1 Division 2 T4A.
ambient air temperature for operation 0…50 °C
ambient air temperature for storage -20…60 °C.
relative humidity 0…90% without condensation.
operating altitude <= 2000 m
IP degree of protection IP20 (rear panel) conforms to IEC 60529.
IP65 (front panel), conforming to IEC 60529.
NEMA degree of protection NEMA 4X front panel (indoor use).
shock resistance 15 gn for 11 ms, conforming to IEC 60068-2-27.
vibration resistance +/- 3.5 mm (f = 5… 9 Hz), conforming to IEC 60068-2-6.
1 gn (f = 9…150 Hz) conforms to IEC 60068-2-6.
electromagnetic compatibility Resistance to radiated electromagnetic fields: test. level: 10 V/m, conforming to IEC 61000-4-3.
Packing Units
Unit Type of Package 1 PCE
Package 1 Length 19.0 cm.
Number of Units in Package 1 1
Package 2 Width 30.0 cm.
Package 2 Height 30.0 cm.
Package 2 Weight 5.099 kg.
Package 1 Width 13.0 cm.
Package 1 Height 8.5 cm.
Package 1 Weight 382.0 g.
Number of Units in Package 2 12
Unit Type of Package 2 S03.
Package 2 Length 40.0 cm.

The HMISTO501 touch panel screen, part of Schneider Electric‘s Harmony STO and STU series, is designed to offer enhanced control and monitoring capabilities for industrial applications. With a focus on intuitive design, robust functionality, and seamless integration, the HMISTO501 provides users with a reliable and efficient interface for interacting with complex systems. This article explores the key features, benefits, applications, and technical specifications of the HMISTO501 touch-panel screen.

Key Features of HMISTO501

1. High-Quality Display

The HMISTO501 features a high-quality 4.3-inch TFT color display with a resolution of 480 x 272 pixels. This ensures clear and sharp visuals, which are essential for precise monitoring and control of industrial processes. The vibrant display makes it easy to read and interpret data at a glance.

2. Touch Interface

Equipped with a resistive touch screen, the HMISTO501 offers a responsive and user-friendly interface. The touch sensitivity is optimized for industrial environments, allowing operators to interact with the screen even while wearing gloves. This enhances usability and ensures efficient operation.

3. Compact and Robust Design

The HMISTO501 is designed with a compact form factor, making it ideal for installations where space is limited. Despite its small size, it features a robust construction that can withstand harsh industrial conditions. The front panel is rated IP65, providing protection against dust and water ingress.

4. Versatile Connectivity

The HMISTO501 supports a variety of communication protocols, including Ethernet and serial connections. This versatility allows for easy integration with different industrial systems and devices, facilitating seamless data exchange and control. The panel also features USB ports for additional connectivity options.

5. Customizable Interface

The HMISTO501’s interface is highly customizable, enabling users to tailor the display and control elements to their specific needs. This customization enhances operational efficiency by providing operators with the most relevant information and controls in an easily accessible format.

6. Enhanced Security

Security is a paramount concern in industrial environments, and the HMISTO501 addresses this with advanced security features. It includes user authentication, password protection, and secure data transfer protocols to ensure that sensitive information and control systems are protected from unauthorized access.

Benefits of Using HMISTO501

1. Increased Operational Efficiency

The intuitive touch interface and clear display of the HMISTO501 contribute to increased operational efficiency. Operators can quickly access and interpret data, make necessary adjustments, and monitor systems in real-time, reducing downtime and enhancing productivity.

2. Improved User Experience

The user-friendly design of the HMISTO501 enhances the overall user experience. The responsive touch screen and customizable interface make it easy for users to navigate and operate the HMI, reducing the learning curve and minimizing the risk of errors.

3. Versatile Applications

The HMISTO501 is suitable for a wide range of applications, including manufacturing, automation, energy management, and building control. Its compact design and robust features make it a versatile solution for various industrial environments.

4. Reliable Performance

Designed to withstand the rigors of industrial settings, the HMISTO501 delivers reliable performance even in challenging conditions. Its durable construction ensures consistent operation, providing users with a dependable HMI solution.

Applications of HMISTO501

1. Manufacturing

In manufacturing environments, the HMISTO501 is used to monitor and control production lines, machinery, and processes. Its intuitive interface allows operators to oversee operations, make real-time adjustments, and ensure smooth production flow.

2. Automation

The HMISTO501 is ideal for automation applications, where it facilitates efficient control and monitoring of automated systems. Its advanced connectivity options enable seamless integration with various automation devices and systems.

3. Energy Management

In energy management applications, the HMISTO501 helps monitor and control energy consumption, optimize usage, and improve efficiency. Its customizable interface and connectivity options make it a valuable tool for energy management systems.

4. Building Control

For building control applications, the HMISTO501 is used to manage HVAC systems, lighting, security, and other building functions. Its compact design and advanced features make it an excellent choice for building automation and control.

Technical Specifications

  • Display Size: 4.3 inches
  • Resolution: 480 x 272 pixels
  • Touch Screen: Resistive
  • Processor: ARM Cortex-A8, 600 MHz
  • Memory: 128 MB RAM, 128 MB Flash
  • Communication Ports: 1 Ethernet, 2 Serial (RS232/RS485), 1 USB
  • Operating Temperature: 0°C to 50°C
  • Power Supply: 24 VDC
  • Ingress Protection: IP65 (front panel)


The HMISTO501 touch panel screen from Schneider Electric‘s Harmony STO and STU series is a compact, robust, and versatile HMI solution designed to meet the demands of modern industrial environments. Its high-quality display, responsive touch interface, and advanced connectivity options make it an ideal choice for a variety of applications, from manufacturing and automation to energy management and building control. By improving operational efficiency, enhancing user experience, and ensuring reliable performance, the HMISTO501 stands out as a top-tier HMI solution for industrial applications.