Siemens 6AV2123-2JB03-0AX0 SIMATIC HMI KTP900 Basic

Name: Siemens 6AV2123-2JB03-0AX0 SIMATIC HMI KTP900 Basic
Brand: Siemens
SKU: 6AV2123-2JB03-0AX0
Availability: InStock

Price range: € 544,00 through € 799,00

Condition

Clear

SKU: 6AV2123-2JB03-0AX0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens SIMATIC HMI KTP900 Basic (part number 6AV2123-2JB03-0AX0) is a 9-inch key and touch panel belonging to the KTP Basic series of human-machine interface panels. It is designed for straightforward machine-level visualization tasks and is part of the SIMATIC HMI Basic Panel 2nd generation lineup. The panel combines a widescreen TFT display with physical function keys, offering operators both touch and key-based input methods.

The KTP900 Basic features a 9-inch widescreen TFT display with a resolution of 800 x 480 pixels and 64,000 colors, providing clear and readable process visualization. It is equipped with a PROFINET interface for direct integration with Siemens S7-1200 and S7-1500 PLCs, as well as other PROFINET-capable controllers. The panel includes 8 configurable function keys, a 24 V DC power supply input, and is configured exclusively using the TIA Portal (WinCC Basic) engineering software. Internal memory supports up to 10 MB of user data for screens, tags, and alarms.

The KTP900 Basic is widely used in machine building, packaging, food and beverage processing, and general manufacturing automation where a compact yet capable HMI is required. Its widescreen format and PROFINET connectivity make it suitable for integration into modern SIMATIC-based control architectures. The panel's robust construction and IP65 front protection rating make it appropriate for installation in industrial control cabinets and machine panels exposed to dust and water spray.

Technical Specifications

Display Size	9 inch
Display Resolution	800 x 480 px
Display Colors	64,000 (16-bit)
Display Type	TFT widescreen
Touch Technology	Resistive touch screen
Function Keys	8 configurable function keys
Input/Operating Voltage	24 V DC
Power Consumption	Typical 7 W
Communication Interface	PROFINET (1x RJ45)
User Memory	10 MB
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10 % to 90 %, non-condensing
IP Rating (Front)	IP65
IP Rating (Rear)	IP20
Mounting	Panel mounting
Certifications	CE, UL, cULus
Engineering Software	TIA Portal (WinCC Basic V13 SP1 or higher)

Common Error Codes & System Events

Event ID: 1000: Connection to the PLC could not be established or has been interrupted.
Check the PROFINET cable and connector, verify the PLC IP address configuration in TIA Portal, and ensure the PLC is in RUN mode.
Event ID: 1003: Tag read/write error — the HMI cannot access a configured tag on the PLC.
Verify the tag address exists in the PLC program, check data type compatibility, and confirm the PLC connection settings in the HMI project.
Event ID: 2521: No project loaded on the HMI panel.
Download a valid project to the panel using TIA Portal via PROFINET or USB connection.
Event ID: 2522: Project version mismatch — the project on the panel was created with an incompatible version of WinCC.
Recompile and re-download the project using the correct version of TIA Portal that matches the panel firmware.
Event ID: 3000: System memory low — available runtime memory is critically low.
Reduce the number of active screens, limit the number of simultaneous alarms, or simplify the project structure to reduce memory usage.
Event ID: 4000: Firmware update failed or firmware version incompatible.
Perform a firmware update using ProSave or TIA Portal. Ensure the firmware version matches the panel hardware revision.
Event ID: 5000: Panel operating voltage out of range — supply voltage too low or too high.
Measure the 24 V DC supply at the panel power connector. Ensure the supply is within the specified range and check for voltage drops in the cable.
Event ID: 6000: Internal device error — hardware fault detected on the panel.
Perform a panel reset by cycling power. If the error persists, the panel may require repair or replacement of internal components.

Frequently Asked Questions

Which PLCs are compatible with the KTP900 Basic 6AV2123-2JB03-0AX0?

The KTP900 Basic is primarily designed for use with Siemens SIMATIC S7-1200 and S7-1500 PLCs via PROFINET. It can also communicate with S7-300 and S7-400 PLCs using a PROFINET-capable CPU or communication module.

What software is required to configure the KTP900 Basic?

The panel must be configured using Siemens TIA Portal with the WinCC Basic engineering package, version V13 SP1 or later. ProSave can be used separately for firmware updates and panel backup/restore operations.

Does the KTP900 Basic support USB connectivity?

Yes, the panel includes a USB Type-A interface that can be used for project transfer, firmware updates, and connecting USB storage devices for data logging or recipe management.

What is the front protection rating of the KTP900 Basic?

The front panel of the KTP900 Basic carries an IP65 protection rating, making it resistant to dust ingress and low-pressure water jets, suitable for standard industrial panel installations.

Can the KTP900 Basic operate as a PROFINET IO controller or only as a device?

The KTP900 Basic operates as a PROFINET IO device (not a controller). It connects to a PROFINET IO controller such as a Siemens S7-1200 or S7-1500 PLC for data exchange.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel power connector. Check that polarity is correct and voltage is within the 19.2–28.8 V DC operating range. Inspect the power connector for loose or damaged wiring.

Correct the supply voltage or wiring. If voltage is correct and the display remains blank, attempt a firmware recovery using ProSave. If the panel still does not respond, the internal power supply or display backlight may require repair.

Touchscreen does not respond or responds inaccurately

Check whether the panel responds to physical function key presses. If keys work but touch does not, the resistive touch layer may be damaged or miscalibrated. Inspect the screen surface for physical damage or contamination.

Perform a touchscreen calibration via the panel's Start Center or operating system settings. Clean the screen surface with a soft, dry cloth. If calibration does not resolve the issue, the touch panel assembly may need replacement.

HMI cannot connect to the PLC over PROFINET

Verify the PROFINET cable is correctly seated in the RJ45 port. Check the IP address configuration of both the HMI and PLC in TIA Portal. Confirm the PLC is powered and in RUN mode. Use the panel's diagnostic tools or TIA Portal online diagnostics to identify the connection fault.

Correct any IP address conflicts or subnet mismatches. Replace the PROFINET cable if damaged. Ensure the HMI project is downloaded with the correct PLC connection parameters. Check the PLC's PROFINET device name matches the configuration.

Panel displays 'No project' or boots to Start Center after power cycle

The panel has lost its project, which can occur after a firmware update, factory reset, or if the project was never downloaded. Check whether a valid project is stored on the panel using ProSave.

Re-download the HMI project from TIA Portal via PROFINET or USB. Ensure the project is compiled without errors before transfer. Verify that the firmware version on the panel is compatible with the project version.

Alarm or event messages are not displayed on the HMI

Check the alarm configuration in the TIA Portal project, including trigger tags, alarm classes, and display settings. Verify that the PLC tags linked to alarm triggers are being updated correctly and that the HMI-PLC connection is active.

Correct any misconfigured alarm tags or display settings in the TIA Portal project and re-download. Ensure the alarm view or alarm window control is correctly placed and enabled on the relevant HMI screen.

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