Walfront WSB7020R

Walfront HMI PLC All-in-One 7-inch TFT LCD Display Instruction Manual

Model: WSB7020R

1. Pwodwi souview

The Walfront WSB7020R is an integrated Human Machine Interface (HMI) and Programmable Logic Controller (PLC) system designed for industrial control applications. It features a 7-inch TFT LCD display, a powerful 32-bit ARM9 processor, and is compatible with FX3U series PLCs. This all-in-one unit offers efficient control, monitoring, and programming capabilities for various automation scenarios.

Walfront HMI PLC All-in-One unit with graphical interface and feature highlights

Figure 1: Walfront HMI PLC All-in-One unit. This image highlights key features such as space-saving design, simplified wiring, timing lock, floating point support, sensitive touch, and accuracy.

Engineer working at a desk with two monitors and the Walfront HMI PLC unit

Figure 2: An engineer utilizing the HMI PLC Touch Screen Integrated Machine in a workspace. The display features an 800x480px resolution, 260,000 colors, and 400 cd/m2 brightness with backlighting for clear status observation.

2. Espesifikasyon teknik

KarakteristikSpesifikasyon
ModèlWSB7020R
MateryèlABS
Dimansyon (L x W x H)Apeprè. 202 x 148 x 51 mm (7.95 x 5.83 x 2.01 pous)
Opening Size for InstallationApeprè 190 x 135 mm (7.48 x 5.31 pous)
Ekspozisyon ekran7 pous TFT LCD
Rezolisyon800x480px
Koulè Pwofondè260,000 koulè
Klète400 cd/m2 (with backlit display)
Kalite ekran manyen4-fil endistriyèl rezistan manyen ekran
Touch Screen Hardness4H
Processeur32-bit 240MHz ARM9
memwa128M NAND FLASH
PLC CompatibilityFor FX3U 20, 40, 48MRT
Pwen Antre12
Pwen Sòti8
Kalite SòtiRelè
Sòti aktyèl5A
Chaj24V
High Speed Count6 / 3K
Sòti batman kèOkenn
Analòg AntreDefault 3AD 0-10V, 3AD 0-20MA (AD0, AD1)
Sòti analòg20A 0-10V
RevèySipòte
HMI Programming SoftwareHMI Studio 5.1
PLC Programming SoftwareGX Developer or GX Works2
PLC Download Speed38.4Kbps
Dimensions of the Walfront HMI PLC unit

Figure 3: Detailed dimensions of the Walfront HMI PLC unit, showing length, width, and height measurements in both millimeters and inches.

3. Enstalasyon ak Enstalasyon

The Walfront WSB7020R HMI PLC is designed for straightforward installation into industrial control panels.

3.1. Debake

Carefully unpack the HMI PLC unit and verify that all components are present:

  • 1 x HMI PLC Unit (Model WSB7020R)
  • 4 x Installation Screws
  • 4 x Fixing Brackets

3.2. Panel Mounting

  1. Prepare an opening in your control panel with dimensions of approximately 190 x 135 mm (7.48 x 5.31 in).
  2. Insert the HMI PLC unit into the prepared opening from the front of the panel.
  3. From the rear of the panel, attach the four fixing brackets to the sides of the HMI PLC unit.
  4. Secure the unit by tightening the four installation screws through the brackets. Ensure the unit is firmly seated and stable.

3.3. fil elektrik

Connect power and I/O wiring according to your system's requirements. Refer to the detailed wiring diagrams in the comprehensive electronic manual for specific connections. Ensure all connections are secure and comply with local electrical codes.

4. Operation and Programming

This section outlines the basic steps for operating and programming your Walfront HMI PLC unit.

4.1. Power On

Once installed and wired, apply power to the unit. The 7-inch TFT LCD display will illuminate, and the system will boot up.

4.2. HMI Programming

To develop or modify the Human Machine Interface (HMI) program:

  1. Enstale HMI Studio 5.1 lojisyèl sou òdinatè w lan.
  2. Connect your computer to the HMI PLC unit using a USB male-to-male cable.
  3. Sèvi ak HMI Studio 5.1 to create or edit your HMI project.
  4. Download the HMI program to the unit via the USB connection.

4.3. PLC Programming

For programming the Programmable Logic Controller (PLC) functionality:

  1. Install either GX Developer or GX travay 2 lojisyèl sou òdinatè w lan.
  2. Connect your computer to the HMI PLC unit.
  3. Use the chosen software to develop, download, and debug your PLC program.
  4. The download speed for PLC programs is 38.4Kbps.
  5. Nòt: Monitoring writing is not supported by the PLC programming software for this unit.
Walfront HMI PLC unit displaying a graphical interface, with text describing its features

Figure 4: The HMI PLC unit's display, emphasizing its 4-wire industrial resistive touch screen with 4H hardness. The text also highlights its low power consumption, fast running speed, stable performance, and direct programmability, downloadability, debuggability, and monitorability using software (monitoring writing not supported).

Diagram showing various industrial applications for the Walfront HMI PLC unit

Figure 5: Wide application range of the HMI PLC unit, including Printing, Chemical Industry, Plastic, Building Materials, Home Furnishings, Packing, Textile, Food, and Metallurgy, demonstrating its flexibility in industrial automation control scenarios.

5. Antretyen

Regular maintenance ensures the longevity and optimal performance of your HMI PLC unit.

  • Netwayaj: Use a soft, dry cloth to clean the display and exterior. Avoid abrasive cleaners or solvents that could damage the screen or casing.
  • Kondisyon anviwònman: Ensure the unit operates within its specified temperature and humidity ranges to prevent damage.
  • Mizajou mikrolojisyèl: Periodically check the Walfront official websit la pou nenpòt mizajou firmwèr ki disponib pou amelyore pèfòmans oswa ajoute fonksyonalite.
  • Tcheke Koneksyon: Enspekte tout koneksyon fil elektrik yo regilyèman pou wè si yo sere epi si gen siy usure oswa korozyon.

NAN. Depanaj

Seksyon sa a bay solisyon pou pwoblèm komen ou ka rankontre.

  • Aparèy la pa limen:
    • Tcheke koneksyon ekipman pou pouvwa a epi asire ke li bay vol ki kòrèk latage (24V).
    • Verifye ke sous kouran an aktif.
  • Ekspozisyon pa travay:
    • Asire w ke inite a limen.
    • If the backlight is on but no image, try restarting the unit.
  • Ekran manyen pa reponn:
    • Calibrate the touch screen if available in the system settings.
    • Asire w ekran an pwòp epi li pa gen okenn obstak.
  • Cannot Download HMI/PLC Program:
    • Verify the USB cable connection is secure and functional.
    • Ensure the correct programming software (HMI Studio 5.1 for HMI, GX Developer/GX Works2 for PLC) is installed and configured properly.
    • Check for driver issues on your computer.
  • PLC Program Not Executing Correctly:
    • Review your PLC program logic for errors.
    • Ensure the program has been successfully downloaded to the unit.
    • Check I/O connections for proper wiring.

For further assistance, please refer to the detailed electronic manual or contact Walfront customer support.

7. Garanti ak sipò

7.1. Enfòmasyon sou Garanti

This Walfront HMI PLC unit comes with a manufacturer's warranty for 90 jou from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper installation.

7.2. Sipò pou Kliyan

If you encounter any issues not covered in this manual or require further technical assistance, please contact Walfront customer support. Refer to the product packaging or the official Walfront websit la pou jwenn enfòmasyon kontak ki pi resan yo.

Please have your product model (WSB7020R) and purchase details ready when contacting support.

© 2026 Walfront. All rights reserved. Information in this manual is subject to change without notice.

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