• In-house repair workshop   ·   Emergency repairs   ·   New & used delivery   ·   Search & Rescue for end-of-life electronics
  • +31 513 201 218
    logo-smalllogo-smalllogo-smalllogo-small
    English
    • Dutch
    • German
    EMERGENCY REPAIR
    • Home
    • Products
      • Drive
      • HMI & Display
      • PLC
      • Power supply
      • Servo Motor
      • Products
    • Repair
      • Drives repair
        • Danfoss drives repair
        • Lenze drives repair
        • Schneider Eletric Altivar drives repair
        • Siemens Sinamics repair
      • HMI repair
        • Omron HMI repair
        • Siemens HMI repair
      • Custom repair
      • PCB repair
      • PLC-repair
      • Marine & offshore
    • Emergency repair
    • Search and Rescue
    • About us
      • Why Cirele
    • All brands
      • Allen-Bradley
      • Baumuller
      • Danfoss
      • Lenze
      • Omron
      • Schneider Electric
      • Siemens
      • Brands
    • News
    • Contact
    ✕
    • Home
    • HMI & Display
    • Siemens 6AV5030-1EL20-0AC0 SIMATIC OP 30
    Awaiting product image

    Siemens 6AV5030-1EL20-0AC0 SIMATIC OP 30

    € 1.830,00

    Reset
    Clear
    SKU: 6AV5030-1EL20-0AC0 Category: HMI & Display Brand: Siemens
    • Description
    • Additional information

    The Siemens 6AV5030-1EL20-0AC0 is an Operator Panel (OP 30) belonging to the SIMATIC HMI family, designed for operator control and monitoring tasks in industrial automation environments. This unit provides a text-based interface for machine-level visualization and process control, and is part of Siemens' established SIMATIC OP series of operator panels. It is intended for direct integration with Siemens SIMATIC PLCs and compatible controllers.

    The OP 30 features a multi-line LCD text display capable of showing alphanumeric characters and system messages, along with a membrane keypad for operator input. It supports communication via the MPI (Multi-Point Interface) protocol, enabling direct connection to SIMATIC S5 and S7 series PLCs. The panel is configured using Siemens ProTool software, and stores project data in internal non-volatile memory. The unit is built for panel-mount installation with a protection rating of IP65 on the front face, making it suitable for industrial cabinet integration.

    The SIMATIC OP 30 is widely used in manufacturing, machine building, and process automation applications where straightforward text-based operator interaction is required. It is commonly found on packaging machines, conveyor systems, and general-purpose industrial machinery where operators need to monitor process values, acknowledge alarms, and input setpoints. Its compact form factor and robust construction make it appropriate for demanding industrial environments with limited panel space.

    Technical Specifications

    Display Type LCD text display
    Display Lines 4 lines of 20 characters
    Input/Operating Voltage 24 V DC
    Communication Interface MPI (Multi-Point Interface), RS-232
    IP/Protection Rating IP65 (front panel)
    Mounting Panel mounting
    Configuration Software ProTool
    PLC Compatibility SIMATIC S5, SIMATIC S7
    Operating Temperature 0 °C to +50 °C
    Storage Temperature -20 °C to +60 °C
    Relative Humidity 10% to 90% (non-condensing)
    Series/Product Family SIMATIC OP series

    Common Error Codes & System Events

    System Error 1
    MPI communication fault – no connection established to the configured PLC
    Check MPI cable connections and termination resistors. Verify MPI address settings on both the OP 30 and the PLC. Ensure the baud rate matches on all MPI nodes.
    System Error 2
    Project data missing or corrupted – no valid project loaded in the operator panel
    Re-download the project from ProTool to the OP 30 via the configured interface. Check the integrity of the project file before transfer.
    System Error 3
    Internal memory error – fault detected in non-volatile memory during self-test
    Perform a complete reset of the operator panel and reload the project. If the error persists, the unit may require repair or replacement of internal memory components.
    System Error 4
    Power supply undervoltage – supply voltage dropped below the minimum operating threshold
    Measure the 24 V DC supply at the panel connector. Ensure the power supply unit is rated for the load and that wiring connections are secure.
    System Error 5
    Watchdog timeout – the panel processor did not respond within the expected time window
    Cycle power to the operator panel. If the fault recurs, check for excessive electrical noise on the supply or communication lines and verify grounding.
    Configuration Error
    Incompatible or incorrect configuration detected – project settings do not match the connected hardware
    Verify that the PLC type, MPI address, and baud rate configured in ProTool match the actual hardware. Re-download the corrected project to the panel.
    Communication Timeout
    No response received from the PLC within the configured timeout period during runtime
    Check the MPI network for cable faults, loose connectors, or missing bus termination. Verify the PLC is in RUN mode and the MPI node address is unique on the network.

    Frequently Asked Questions

    What communication interface does the OP 30 use to connect to a PLC?

    The OP 30 communicates via MPI (Multi-Point Interface), which allows direct connection to SIMATIC S7 and compatible S5 PLCs. An RS-232 interface is also available for configuration and data transfer.

    What software is used to configure and program the OP 30?

    The OP 30 is configured using Siemens ProTool software. Projects are created on a PC and downloaded to the panel via the serial or MPI interface.

    What is the supply voltage for the 6AV5030-1EL20-0AC0?

    The operator panel requires a 24 V DC supply voltage for operation.

    Is the OP 30 compatible with SIMATIC S7-300 PLCs?

    Yes, the OP 30 supports MPI communication and is compatible with SIMATIC S7-300 and S7-400 PLCs, as well as certain SIMATIC S5 controllers.

    What is the front panel protection rating of the OP 30?

    The OP 30 has an IP65 protection rating on the front face when correctly installed in a panel cutout, making it resistant to dust and water jets.

    Troubleshooting

    Display remains blank after power is applied

    Check the 24 V DC supply voltage at the panel power connector using a multimeter. Inspect the internal fuse if accessible. Verify that the power supply is capable of delivering sufficient current.

    Restore the correct 24 V DC supply voltage. Replace any blown internal fuse with the correct rating. If the display remains blank with correct supply voltage, the internal power supply or display unit may require repair.

    OP 30 shows 'No Connection' or communication error to PLC at startup

    Verify MPI cable continuity and check that bus termination resistors are correctly placed at both ends of the MPI network. Confirm that the MPI address of the OP 30 does not conflict with any other node on the network.

    Replace or reseat the MPI cable. Set unique MPI addresses for all devices on the network. Ensure baud rate settings match across all MPI nodes and that termination is active only at the physical ends of the bus.

    Project cannot be downloaded from ProTool to the OP 30

    Check the serial or MPI connection between the PC and the OP 30. Verify that the correct COM port and transfer settings are selected in ProTool. Ensure the panel is in transfer mode.

    Place the OP 30 in transfer mode via the panel menu. Use the correct PC-to-OP cable (e.g., PC-MPI adapter or serial cable). Confirm ProTool communication settings match the panel configuration.

    Operator inputs via keypad are not responding

    Inspect the membrane keypad for physical damage, contamination, or worn key contacts. Check whether the issue is limited to specific keys or affects the entire keypad.

    Clean the keypad surface. If individual keys are unresponsive due to worn contacts, the membrane keypad assembly may need to be replaced. Verify that the project configuration correctly maps the physical keys to the intended functions.

    Panel displays garbled text or incorrect characters on screen

    This may indicate a corrupted project file or a communication error during the last project download. Check whether the issue appeared after a recent project transfer.

    Re-download the project from ProTool to the OP 30, ensuring the transfer completes without interruption. If the problem persists, perform a factory reset of the panel and reload the project from a verified project file.

    Condition

    Repair, Used, Refurbished, New in box (sealed)

    Related products

    • Siemens 6AV3627-1QK00-0AX0 OP27

      Siemens 6AV3627-1QK00-0AX0 OP27

      € 649,00 – € 869,00Price range: € 649,00 through € 869,00
      Select options This product has multiple variants. The options may be chosen on the product page
    • Siemens 6AV3627-1NK00-0AX0 SIMATIC OP 27

      Siemens 6AV3627-1NK00-0AX0 SIMATIC OP 27

      € 755,00
      Select options This product has multiple variants. The options may be chosen on the product page
    • Siemens 6AG1642-0BD01-2AX0 TP177B

      Siemens 6AG1642-0BD01-2AX0 TP177B

      € 714,00
      Select options This product has multiple variants. The options may be chosen on the product page

    Contact

    +31 513 201 218
    [email protected]

    CoC: 90417704
    VAT: NL865308317B01

    Location

    CirEle BV
    Röntgenweg 1
    8503 AG Joure
    The Netherlands

    General

    About us
    Shipping
    Terms and conditions
    Privacy policy
    Contact

    Repair

    Omron HMI repair
    Siemens HMI repair
    PLC repair
    Drives repair
    Request repair

    CirEle BV © 2026 | Terms and conditions | Privacy policy | Proudly powered by BOWI Marketing
      EMERGENCY REPAIR
      0

      € 0,00

      English
      • Dutch
      • English
      • German
        ✕

        Login

        Lost your password?

        Create an account?

        ✕

        Cart

        Proceed to checkout View cart
        • Shop
        • My account
        • 0 Cart