6AV2123-2DB03-0AX0
6AV2123-2DB03-0AX0
6AV2123-2DB03-0AX0
6AV2123-2DB03-0AX0
6AV2123-2DB03-0AX0
6AV2123-2DB03-0AX0
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6AV2123-2DB03-0AX0

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Siemens 6AV2123-2DB03-0AX0 is a 4.3-inch KTP400 Basic operator panel that displays machine states and sends touch or key commands to a PROFINET controller.
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Technical specifications for 6AV2123-2DB03-0AX0

  • Manufacturer:
    Siemens
  • Part Number:
    6AV2123-2DB03-0AX0
  • Product Family:
    Siemens Simatic HMI
  • Product Type:
    KTP400 Basic 4.3-Inch Key/Touch Operator Panel
  • Stock:
    1
  • Display type:
    TFT widescreen with LED backlight
  • Resolution:
    480 x 272 pixels
  • Display colors:
    65,536
  • Touch technology:
    Analog resistive
  • Physical function keys:
    4
  • User memory:
    10 MB
  • Network interface:
    1 PROFINET Ethernet interface
  • USB interface:
    1 USB host
  • Rated supply:
    24 V DC
  • Permitted supply:
    19.2 to 28.8 V DC
  • Rated current:
    125 mA
  • Typical power:
    3 W
  • Backlight MTBF:
    20,000 h at 25 °C
  • Configuration software:
    WinCC Basic / STEP 7 Basic from V13
  • Weight:
    0.36 kg
  • Estimated shipping dimensions:
    14x11.4x4cm
  • Tariff Code:
    8537109100
  • Country of origin:
    China
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Display & Input Project Memory PROFINET Link Panel Mounting

Features:

  • Combines a 4.3-inch 480 x 272 resistive touchscreen with four physical function keys.
  • Displays 65,536 colors and stores the configured HMI project in 10 MB user memory.
  • Exchanges controller data through PROFINET and supports a USB host connection.
Siemens 6AV2123-2DB03-0AX0 places operator graphics, touch commands, and four function keys in one compact panel.

The HMI project maps screen objects to controller tags so the display and control program exchange process values over PROFINET.

Panel mounting fixes the front interface in the enclosure while the rear supply, Ethernet, and USB connections remain inside the cabinet.

The Siemens 6AV2123-2DB03-0AX0 KTP400 Basic 4.3-Inch Key/Touch Operator Panel may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6AV2123-2DB03-0AX0 KTP400 Basic 4.3-Inch Key/Touch Operator Panel Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Operator interface elements

  • Display: The 4.3-inch TFT presents 480 x 272 pixels in 65,536 colors.
  • Touch: An analog-resistive layer returns operator selections from the configured screens.
  • Keys: Four physical function keys provide project-assigned commands outside the touch area.
  • Backlight: The dimmable LED backlight has a documented 20,000-hour MTBF at 25 °C.

HMI project resources

  • User memory: Ten megabytes store the configured HMI application and its runtime objects.
  • Screens: The project organizes process values, commands, alarms, and navigation into operator views.
  • Recipes: Recipe objects retain configured data sets within the panel's documented limits.
  • Engineering: WinCC Basic or STEP 7 Basic transfers the project from the engineering station.

Controller communication path

  • Interface: One PROFINET Ethernet connection carries project communication and controller tags.
  • Protocol role: The panel reads process values and returns operator commands through configured connections.
  • Addressing: The project and network configuration assign the panel's PROFINET identity and IP settings.
  • USB host: The separate USB host port handles supported local media or peripheral functions.

Cabinet installation boundary

  • Mounting: The panel installs through a prepared enclosure cutout with the display facing the operator.
  • Supply: A regulated 24 V DC source feeds the rear power connector.
  • Orientation: Landscape and portrait installation are documented within the permitted inclination.
  • Rear access: Cable clearance must remain available for power, PROFINET, and USB connections.
Description
Siemens 6AV2123-2DB03-0AX0 is a SIMATIC HMI KTP400 Basic operator panel with a 4.3-inch widescreen TFT display, resistive touch input, and four physical function keys. It presents controller data to the operator and returns screen or key commands to the automation program.

The 480 x 272 display of Siemens 6AV2123-2DB03-0AX0 renders 65,536 colors across configured process screens. Alarm views, recipes, trends, and tag objects use the panel's internal resources, while the dimmable LED backlight provides the illuminated operator interface.

A PROFINET Ethernet interface carries controller tags and project communication for Siemens 6AV2123-2DB03-0AX0. The integrated USB host port provides the documented connection for supported removable media or peripheral tasks without replacing the network path.

A 24 V DC input powers Siemens 6AV2123-2DB03-0AX0 after it is installed in the control-cabinet cutout. WinCC Basic or STEP 7 Basic from the documented TIA Portal version defines the screens, tags, alarms, and communications downloaded to the panel.
Alternative Names
6AV21232DB030AX0 6AV 2123 2DB03 0AX0 6AV2123-2DB03 0AX0 Siemens 6AV2123-2DB03-0AX0 KTP400 Basic 6AV2123-2DB03-0AX0 6AV2123-2DB03-0AX0 HMI 6AV2I23-2DB03-0AX0 6AV2123-2DBO3-0AX0
Technical notes
6AV2123-2DB03-0AX0 is the exact KTP400 Basic key/touch version; it must not be confused with TP400 OEM or larger KTP700 variants.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What type of panel is Siemens 6AV2123-2DB03-0AX0?
Siemens 6AV2123-2DB03-0AX0 is a KTP400 Basic operator panel with a 4.3-inch resistive touchscreen and four function keys.
How does Siemens 6AV2123-2DB03-0AX0 communicate with a controller?
Siemens 6AV2123-2DB03-0AX0 exchanges HMI tags and commands through its PROFINET Ethernet interface.
Which software configures Siemens 6AV2123-2DB03-0AX0?
Siemens 6AV2123-2DB03-0AX0 is configured with WinCC Basic or STEP 7 Basic from the documented TIA Portal version.
Can Siemens 6AV2123-2DB03-0AX0 be operated without the touchscreen?
The four physical function keys on Siemens 6AV2123-2DB03-0AX0 can be assigned project functions, but other screen objects still depend on touch operation.
What should be checked if Siemens 6AV2123-2DB03-0AX0 does not start?
Check the 24 V DC supply at Siemens 6AV2123-2DB03-0AX0, its polarity, the permitted voltage range, and the rear terminal connection before changing the panel.
Why must the full Siemens 6AV2123-2DB03-0AX0 number be retained?
The full Siemens 6AV2123-2DB03-0AX0 identifier distinguishes the KTP400 Basic key/touch panel from TP400 OEM and other Basic Panel sizes.

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