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SIMATIC Essentials: The Reliable Simplicity of KTP400 Basic

SIMATIC Essentials: The Reliable Simplicity of KTP400 Basic

January 05, 2026

SIMATIC Essentials: The Reliable Simplicity of KTP400 Basic

Q: In the vast SIMATIC HMI family, which model is the go-to choice for cost-sensitive applications that require robust, no-frills data visualization?

A: The 6AV2123-2DB03-0AX0, a 4.3-inch SIMATIC HMI KTP400 Basic single-line display panel, stands out as the quintessential solution.

Q: What makes this specific model, the 6AV2123-2DB03-0AX0, unique compared to its colorful siblings?

A: Its core distinction lies in its high-contrast, blue STN display—a purposeful design that prioritizes clarity, reliability, and exceptional value over color graphics, making the 6AV2123-2DB03-0AX0 a stalwart in basic operator control tasks.

 

Introducing the SIMATIC HMI KTP400 Basic Series

Part of Siemens' globally recognized SIMATIC HMI portfolio, the KTP400 Basic series represents the entry point into professional industrial visualization.

Designed for simplicity and durability, these compact 4.3-inch panels offer a direct and efficient interface between operator and machine.

The series provides options to suit different needs, from the monochrome display of the 6AV2123-2DB03-0AX0 to color TFT variants, all within a unified engineering environment using TIA Portal with WinCC Basic.

Known for their rugged construction, IP65 front-panel protection, and seamless integration with SIMATIC controllers like the S7-1200, this series is the backbone of straightforward automation visualization worldwide.

When your application demands clear status indication, basic parameter setting, or simple fault diagnosis without the need for complex graphics, the 6AV2123-2DB03-0AX0 is precisely engineered for the task.

Its focused functionality ensures operators get the essential information they need, with unmatched readability in typical industrial lighting conditions.

 

Technical Specifications at a Glance

The 6AV2123-2DB03-0AX0 is defined by a set of robust technical parameters that underscore its purpose-built design.

Feature

Specification for 6AV2123-2DB03-0AX0

Display Type

Monochrome STN (Blue background, white pixels)

Display Size

4.3 inches

Resolution

480 x 272 pixels

Touch Technology

Analog Resistive

Power Supply

24 V DC (20.4 - 28.8 V)

Communication

PROFINET / PROFIBUS (via separate communication module)

Front Protection

IP65 (dust-tight, protected against water jets)

Dimensions (W x H x D)

165 x 117 x 47 mm

Programming Software

TIA Portal with WinCC Basic / STEP 7 Basic

.

The Enduring Importance of 6AV2123-2DB03-0AX0

Unmatched Cost-Effectiveness for Core Functions:

 For applications where displaying text, numbers, and simple symbols is sufficient, the 6AV2123-2DB03-0AX0 delivers all necessary functionality at a significantly lower total cost of ownership than color panels, maximizing project ROI.

Superior Readability and Reliability:

 The high-contrast blue STN screen offers exceptional clarity in various lighting conditions without backlight bleed or color degradation issues. Its simpler display technology often translates to higher long-term reliability in challenging environments.

Foundation of the SIMATIC Ecosystem:

 It provides a trusted, entry-level access point to the vast SIMATIC world. Choosing the 6AV2123-2DB03-0AX0 guarantees compatibility with Siemens engineering tools and controllers, ensuring future scalability and vendor support.

 

Conclusion

In summary, the SIMATIC HMI KTP400 Basic, particularly the 6AV2123-2DB03-0AX0 model, is far more than a basic display. It is a testament to Siemens' philosophy of providing "right-sized" solutions for every layer of automation. By excelling in its defined role of providing reliable, clear, and cost-efficient operator interaction, the 6AV2123-2DB03-0AX0 remains an indispensable component for engineers designing practical and robust industrial systems. It proves that in the world of automation, focused simplicity executed perfectly holds enduring value.

 

Whatsapp/phone

Email

+86 18020776792

sales@amikon.cn

 

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SIEMENS 6ES7531-7KF00-0AB0 ANALOG INPUT MODULE

The SIEMENS 6ES7531-7KF00-0AB0 is a high-performance analog input module designed for the SIMATIC S7-1500 automation system and the ET 200MP distributed I/O system. This module belongs to the premium product line and features 8 configurable channels, each capable of independently measuring voltage or current signals with 16-bit high resolution and excellent noise immunity.

 

SIEMENS 6ES7155-5AA01-0AB0 INTERFACE-MODULE

The SIEMENS 6ES7155-5AA01-0AB0 is an INTERFACE MODULE designed for the ET 200SP distributed I/O system. This module acts as the base unit for assembling I/O modules on a station, providing the mechanical mounting, electrical backplane bus connection, and communication interface to the higher-level controller via PROFINET or PROFIBUS (depending on the accompanying communication module).

 

SIEMENS 6ES7513-1AL02-0AB0 CPU UNIT

The SIEMENS 6ES7513-1AL02-0AB0 is a high-performance CPU unit belonging to the SIMATIC S7-1500 automation system. As part of the advanced controller series, this CPU features a powerful multi-core processor with integrated PROFINET interfaces supporting real-time communication and integrated safety functions.

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