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6AV6642-0DA01-1AX1

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6AV6642-0DA01-1AX1
SPU: 6AV6642-0DA01-1AX1
6AV6642-0DA01-1AX1 is a Basic Panel (Key Operation) belonging to Siemens' SIMATIC HMI (Human-Machine Interface) Basic Panels series. It is a cost-effective, entry-level HMI device designed for simple machine operation, parameter setting, and status monitoring, widely used in small and medium-sized automation systems. Below is its detailed information:
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  • Detail

    1. Basic Model & Classification

    Item Details
    Product Series SIMATIC HMI Basic Panels (Siemens' entry-level HMI product line, focusing on simplicity and cost-effectiveness)
    Device Type Basic Panel with Key Operation (Integrated membrane keys for quick function access, no touchscreen)
    Full Model Number 6AV6 642-0DA01-1AX1 (Spaces follow Siemens' standard model formatting and do not affect identification)

    2. Core Technical Parameters

    Parameter Category Specific Specifications
    Display Monochrome LCD, 5.7-inch diagonal; Resolution: 320 x 240 pixels (QVGA); Backlight: LED
    Operation Method Membrane keyboard with 22 fixed function keys (labeled with common symbols like "Start", "Stop", "Reset")
    User Memory 2 MB internal memory (for storing project files, process data, and simple alarms)
    Communication Interfaces 1 x RS-485 (PROFIBUS DP) interface; 1 x RS-232 interface (for programming and connecting to PLCs)
    Power Supply 24 V DC (19.2 V DC - 28.8 V DC); Typical current consumption: 120 mA; Power consumption: ~3 W
    Mounting Method Panel mounting (flush-mounted on control cabinet doors, compatible with standard cutouts)
    Protection Class Front: IP65 (Dust-tight and protected against low-pressure water jets from any direction); Rear: IP20 (For indoor cabinet installation)
    Operating Temperature 0 °C - 50 °C (No condensation allowed during operation)
    Storage Temperature -20 °C - 60 °C
    Weight Approximately 0.8 kg

    3. Main Functions & Applications

    Core Functions

    • Basic Machine Control: Enables direct operation of equipment via dedicated membrane keys (e.g., starting/stopping motors, switching operating modes, emergency stopping).
    • Process Monitoring: Displays real-time process data (e.g., temperature, pressure, speed) on the LCD screen in text or simple graphic formats (e.g., bar graphs).
    • Alarm Management: Records and displays equipment alarms (e.g., overvoltage, overload, sensor faults) with time stamps, helping operators quickly identify and resolve issues.
    • Parameter Setting: Allows input and modification of process parameters (e.g., target temperature, set speed) via keys, with on-screen feedback for parameter values.
    • PLC Communication: Establishes stable connections with Siemens S7-200, S7-300, S7-1200, and other PLCs via PROFIBUS DP or RS-232, realizing data exchange between HMI and control system.

    Applicable Scenarios

    • Small-Scale Automation Equipment: Such as stand-alone conveyors, packaging machines, small pumps, and fans—where only basic operation and status checking are required.
    • Cost-Sensitive Projects: Automation systems with limited budgets that do not demand touchscreen interaction or complex graphic displays.
    • Harsh Operating Environments: Factories with dust, water splashes, or oil mist (e.g., food processing, textile mills, mechanical workshops) due to its IP65 front protection.
    • Legacy System Upgrades: Replacement of outdated mechanical control panels (e.g., button stations with analog meters) to improve operational convenience and data visibility.

    4. Key Matching & Precautions

    Matching Components

    • Controllers: Optimized for Siemens SIMATIC PLCs (S7-200 SMART, S7-1200, S7-300). Can also connect to non-Siemens PLCs via RS-232/RS-485 (requires protocol matching).
    • Programming Software: Configured with SIMATIC WinCC Basic (TIA Portal integrated software), which supports project creation, screen design, key function assignment, and data linking.
    • Accessories: Requires a panel mounting kit (standard for Basic Panels) and shielded communication cables (e.g., PROFIBUS DP cable with RJ45 or terminal connectors) for stable signal transmission.

    Installation & Usage Precautions

    • Electrical Safety: Power supply must be 24 V DC (do not connect to AC power directly). Ensure reliable grounding of the device to avoid electrostatic interference or electric shock.
    • Mounting Requirements: The control cabinet door thickness should be 1.5 mm - 8 mm; seal the gap between the device and the cabinet door with the provided gasket to maintain IP65 protection.
    • Communication Wiring: Keep communication cables away from high-voltage power lines (distance ≥ 30 cm) to prevent electromagnetic interference affecting data transmission.
    • Backlight Maintenance: The LED backlight has a typical lifespan of 50,000 hours (about 5.7 years of continuous operation); replace the entire display module if backlight failure occurs (no independent backlight replacement).
    • Environmental Limitations: Avoid direct sunlight or proximity to heat sources (e.g., heaters, power modules) to prevent display damage from overheating. Do not use in corrosive gas environments.
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