Siemens OP77B 6AV6641-0CA01-0AX1 SIMATIC HMI Touch Screen & LCD Assembly
Siemens OP77B 6AV6641-0CA01-0AX1 SIMATIC HMI Touch Screen & LCD Assembly
Price: $45.00
$40.00/ piece
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Siemens OP77B 6AV6641-0CA01-0AX1 SIMATIC HMI touch screen LCD assembly front view
FPC ribbon cable and ZIF connector for Siemens OP77B 6AV6641-0CA01-0AX1 digitizer
Siemens OP77B 6AV6641-0CA01-0AX1 SIMATIC HMI touch screen LCD assembly front view
FPC ribbon cable and ZIF connector for Siemens OP77B 6AV6641-0CA01-0AX1 digitizer

Siemens OP77B 6AV6641-0CA01-0AX1 SIMATIC HMI Touch Screen & LCD Assembly

Price: $45.00
$40.00/ piece
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Siemens OP77B 6AV6641-0CA01-0AX1 SIMATIC HMI Touch Screen & LCD Assembly

Product Information Product Specifications
Model:
6AV6641-0CA01-0AX1
Application:
Industrial
Ordering instructions
Quality:
test ok before ship it
RMA Policy:
RMA 6 month
Sample:
Paid Sample
Stock:
10
Stock Location:
China
Delivery:
WorldWide
Lead Time:
1-3 Days
Weight:
0.500 KG
Overview

Product Introduction

Restore your critical automation systems with the Siemens OP77B 6AV6641-0CA01-0AX1 Touch Screen and LCD assembly. Designed specifically as a direct replacement for the legendary SIMATIC HMI OP77B operator panels, this comprehensive repair kit solves the most common field failures: unresponsive touch digitizers, missing LCD pixels, and dimming backlights. In harsh industrial environments, the outer touch membrane degrades from continuous mechanical pressing and chemical exposure, while the internal FSTN LCD can suffer from contrast loss. Our replacement assembly includes both the high-sensitivity resistive touch digitizer and the crisp 4-inch monochrome LCD module, ensuring your PLC control interface is restored to factory-level responsiveness. At ZY LCD Shop, we specialize in hard-to-find Siemens HMI repair parts. Every 6AV6641-0CA01-0AX1 unit is rigorously tested for touch coordinate accuracy and segment rendering before dispatch. Minimize your production line downtime today with our guaranteed compatible, plug-and-play HMI repair solutions.

Core Product Features

  • Complete HMI Repair Assembly: Includes both the front resistive touch digitizer (membrane) and the inner FSTN LCD module, providing a full visual and interactive restoration.

  • High-Sensitivity Touch Digitizer: Engineered to withstand heavy, repetitive pressing by operators wearing industrial work gloves, eliminating touch drift and dead zones.

  • High-Contrast FSTN LCD: Delivers sharp, legible monochrome graphics and text, ensuring critical PLC alarms and machine parameters are readable under harsh factory lighting.

  • Direct SIMATIC Compatibility: Precisely matches the mechanical dimensions, FPC ribbon routing, and ZIF connector pinouts of the original Siemens OP77B mainboard.

  • Industrial-Grade Durability: The touch membrane features a specialized hard-coated surface resistant to oils, coolants, and cleaning solvents commonly found in CNC and packaging environments.

  • Plug-and-Play Installation: Designed for straightforward drop-in replacement by maintenance technicians, minimizing machine downtime without requiring complex soldering.

Technical Specifications

ParameterSpecification Details
Siemens Order Number6AV6641-0CA01-0AX1
Target HMI ModelSIMATIC HMI OP77B (Also cross-searched with OP73)
Display TypeFSTN Monochrome LCD (Liquid Crystal Display)
Screen Size4.0 Inch (OP77B Standard)
Resolution240 x 64 Pixels
Touch TechnologyResistive Touch Digitizer (Analog)
Interface ConnectionFPC Ribbon with ZIF Connector
Backlight TypeLED (Long-life industrial grade)
Target ApplicationPLC Control Panels, CNC Machines, Packaging Lines

Typical Applications

  • CNC Machining Centers & Metalworking Equipment Control Panels

  • Packaging, Bottling & Labeling Machinery Operator Interfaces

  • Injection Molding Machines & Plastic Extrusion Lines

  • Conveyor Systems & Material Handling Automation

  • Compact PLC Control Cabinets (S7-1200 / S7-300 Systems)

Why Source from ZY LCD Shop?

  • HMI Repair Specialists: We understand that a broken operator panel halts the entire production line. We prioritize fast processing and dispatch for critical Siemens HMI repair parts.

  • Touch Calibration Verified: Every digitizer is tested for linear touch response and edge-to-edge accuracy to ensure seamless integration with WinCC Flexible / TIA Portal configurations.

  • Anti-Static & Crush-Proof Packaging: HMI assemblies are highly sensitive to ESD and physical pressure. We use specialized ESD shielding and rigid foam enclosures for safe global transit.

  • Expert Automation Support: Our technical team understands Siemens SIMATIC architecture and can assist with basic installation and calibration guidance for maintenance engineers.

FAQ (Frequently Asked Questions)

What is the difference between the Siemens OP73 and OP77B panels?

While both are compact SIMATIC operator panels, they are physically and electrically different. The OP73 features a 3-inch display (160x48 pixels), whereas the OP77B (Order No. 6AV6641-0CA01-0AX1) features a larger 4-inch display (240x64 pixels) and supports additional MPI/PROFIBUS communication interfaces. This specific replacement assembly is engineered strictly for the 4-inch OP77B model.

Does this package include both the touch screen glass and the inner LCD?

Yes. This is a complete front-end repair assembly. It includes the outer resistive touch digitizer (the membrane you press) and the inner FSTN LCD module (the screen that displays the graphics). Replacing both simultaneously ensures optimal visual clarity and touch sensitivity, resolving both "unresponsive touch" and "missing pixel" issues.

Do I need to reprogram the Siemens PLC after replacing this HMI screen?

No. The HMI panel stores its own configuration and project files in its internal non-volatile memory. Replacing the LCD and touch digitizer hardware does not erase the software. However, you may need to perform a quick touch screen recalibration via the HMI's built-in control panel menu after installation to ensure perfect touch alignment.

Where can I find the installation manual or pinout for the 6AV6641-0CA01-0AX1?

We provide comprehensive installation guides, teardown tips, and FPC pinout verification documents to verified buyers. Please contact our automation support team directly via email or phone to request the technical documentation package.

Can I use this screen to repair a Siemens OP77A panel?

The OP77A and OP77B share the same physical 4-inch footprint, but the OP77B has a slightly different internal mainboard layout and expanded communication ports. While the LCD glass may be similar, the FPC ribbon length and touch digitizer tail routing can vary. We highly recommend matching the exact order number (6AV6641-0CA01-0AX1) printed on the back of your original unit.

Do you offer bulk pricing for industrial maintenance contractors?

Absolutely. We actively support B2B wholesale orders for factory maintenance departments, PLC system integrators, and industrial electronics repair depots. Reach out to our sales department for custom tiered pricing based on your annual repair volume.

    Product Comparison
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    Siemens OP77B 6AV6641-0CA01-0AX1 SIMATIC HMI Touch Screen & LCD Assembly

    Siemens OP77B 6AV6641-0CA01-0AX1 SIMATIC HMI Touch Screen & LCD Assembly

    6AV6641-0CA01-0AX1

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    400
    900:1 (Typ.) (TM)
    80/80/80/80 (Typ.)(CR≥10
    WLED, With LED Driver
    LVDS (1 ch, 6/8-bit), 20 pins Connector
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    1280(RGB)×768, WXGA, 15:9
    300 cd/m² (Typ.)
    1000:1 (Typ.) (TM)
    88/88/88/88 (Typ.)(CR≥10
    WLED, 40K hrs, With LED Driver
    LVDS (1 ch, 6/8-bit), 30 pins Connector
    a-Si TFT-LCD, LCM
    6AV6641-0CA01-0AX1 is a Display screen Product from .According to 's product specification sheet,6AV6641-0CA01-0AX1 display has a resolution of , Contrast Ratio is ,Viewing Angle is ,Lamp Type is ,Signal Interface is ,Brightness is .Based on its characteristics, this model is recommended for application in Industrial and other products.The weight of 6AV6641-0CA01-0AX1 after packaging is 0.500KG.We have made every effort to minimize weighing variances; however, we cannot guarantee absolute accuracy.
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    • check Registered company: Shenzhen Zhiyan Optoelectronics Co., Ltd. — VAT/Reg. No. 91440300MA5GQNC36C

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    Comprehensive Score
    4.8 out of 5
    11 Reviews
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    4 star
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    J***********t
    Sep 14, 2026
    (5/5)
    Happy with the LM12S401 CSTN display. Exactly the 12.1" Sharp panel we needed to repair our factory control unit. Plugged in and powered up straight away. Fast shipping.
    P************k
    Nov 10, 2025
    (5/5)
    My package arrived at the expected date (6 days after the purchase) and in good condition
    O***********E
    Sep 29, 2025
    (5/5)
    Very nice and sharp in the choice
    L***********A
    Sep 12, 2025
    (5/5)
    ALL AS PLANNED OK
    a****k
    Aug 28, 2025
    (5/5)
    Fast delivery, Comptetive price Excellent support
    R********a
    Aug 25, 2025
    (5/5)
    Perfect and easy.
    R************z
    Aug 21, 2025
    (5/5)
    Fast shipping, good communication, goods as described, will buy again.
    G*************i
    Aug 15, 2025
    (5/5)
    Good price for things hard to find!
    y****m
    Aug 15, 2025
    (5/5)
    Product arrived earlier than expected. Price was also very reasonable.
    H*******e
    Aug 12, 2025
    (4/5)
    The communication with customer service was very smooth, the logistics speed was also fast, the product was consistent with the description, and it was a good shopping experience.
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