Shanghai Fradwell Industrial Automation Co., Ltd. 86-21-68060766 cnsales@fradwell.com
Industrial Touch Screen HMI STO Harmony HMI STU Color High Definition

Industrial Touch Screen HMI STO Harmony HMI STU Color High Definition

Products - Industrial Automation Control Systems - HMI Touch Screen
  • Highlight

    Industrial Touch Screen HMI STO

    ,

    Harmony HMI STU

    ,

    HMI STU Color High Definition

  • Type
    HMI Touch Screen
  • Screen Size
    4.3-inch
  • Warranty
    Original Manufacturer's Warranty
  • Pakage
    Original Pakage
  • Shipping Term
    International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/Sea Freight / Air Freight / International Special Line
  • Freight Charge
    For Industrial Equipment (E.G., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/Volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
  • Type
    HMI Touch Screen
  • Screen Size
    4.3-3.5-5.7inch
  • Warranty
    Original Manufacturer's Warranty
  • Pakage
    Original Pakage
  • Shipping Term
    International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/Sea Freight / Air Freight / International Special Line
  • Freight Charge
    For Industrial Equipment (E.G., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/Volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
  • Place of Origin
    France
  • Certification
    CE、UL、CSA、UKCA、culus、c-tick、marine、UL Class 1 Div 2 T4A ou T5
  • Model Number
    STO/STU
  • Minimum Order Quantity
    1
  • Price
    $400-$550
  • Delivery Time
    3-5Workday
  • Payment Terms
    L/C,D/A,D/P,T/T,Western Union

Industrial Touch Screen HMI STO Harmony HMI STU Color High Definition

  • Industrial Touch Screen HMI STO Harmony HMI STU Color High Definition
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Harmony STO/STU HMI Color Compact High-definition Display Intuitive Operation
Harmony STO/STU HMI Color Compact High-definition Display
Harmony STO/STU Series is a compact color industrial HMI featuring a 4.3-inch high-definition touchscreen, compatible with EcoStruxure Operator Terminal Expert software for intuitive graphical operation. Equipped with RJ45, RS485/232, and mini USB ports, it seamlessly integrates and third-party automation products. With IP65F protection, 24VDC power supply, CE/UL/CSA certifications, and 0–50℃ wide-temperature tolerance, it's ideal for small-scale machinery in packaging, food & beverage, and HVAC industries.
Key Features
  • Tool-Free Installation: Spring clip mounting, fast setup
  • Multi-Protocol Connectivity: RJ45/RS485/232, cross-brand compatibility
  • Industrial Durability: IP65F, 0–50°C, CE/UL/CSA certified
  • Cost-Effective & Intuitive: EcoStruxure software, compact design
  • Clear Visualization: 4.3" HD touchscreen, easy monitoring
Model Specifications
Series Model Number Screen Size Core Interfaces/Features Main Applicable Scenarios
Harmony STO HMISTO705 4.3 inches RS232C interface, color touch screen Small packaging machinery, simple equipment control
Harmony STO HMISTO715 4.3 inches Dual RS232C/485 serial ports, color touch screen Food and beverage equipment, small machine tools
Harmony STO HMISTO735 4.3 inches Ethernet interface, color touch screen Building automation, logistics conveyor lines
Harmony STU HMISTU655 3.5 inches Color touch screen, 22mm push button mounting Small pump and valve control, simple mechanical operation
Harmony STU HMISTU855 5.7 inches Color touch screen, data export function Water treatment equipment, automated production lines
Harmony STU HMISTU855W 5.7 inches Color touch screen, no overlay marking Customized equipment, special industrial scenarios
Supporting Modules HMIS5T - Dedicated rear-mounted module for STU series Interface expansion, function upgrade
Supporting Modules HMIZSRTC1 - RTC battery pack (20 pieces/set) Time data storage and backup
Supporting Modules HMIZSADCO1 - Panel cutout adapter (20 pieces/set) Adapting to different installation size requirements
Application Scenarios
  • Packaging machinery control & monitoring
  • Food & beverage production line equipment
  • HVAC system operation terminals
  • Textile machinery parameter adjustment
  • Small-scale automated OEM equipment
Frequently Asked Questions
Q1: Screen is black and no power on?
Check 24VDC power connection first, replace damaged adapter if voltage is abnormal; re-download the program if power is normal but still black.
Q2: No communication with PLC, data not updated?
Verify cable connection (RJ45/RS485) and port indicator; match HMI & PLC protocol, baud rate and address in software; replace faulty communication cable/port.
Q3: Touch screen unresponsive or slow?
Run HMI self-test first, recalibrate touch screen if test fails; optimize communication speed or split program variables if response is slow.
Q4: Screen displays garbled code?
Adjust HMI data range if over-limit; use shielded cable and single-end grounding to avoid EMI; match data format with PLC.
Q5: HMI freezes or restarts frequently?
Check if working temp exceeds 0–50℃, keep away from heat source; close redundant background programs; replace unstable power supply if voltage fluctuates.
Q6: Installation fails with loose fixation?
Use the original spring clip for tool-free mounting, ensure the panel is tightly fixed on the OEM equipment cabinet.
Q7: USB/RJ45 port not working?
Check if the port is physically damaged; replace the peripheral device for testing; re-set the port parameter in the software.
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