SIMATIC HMI Touch Panels: A Guide to 6AV2123 and 6AV2124 Series

Table of Contents

Introduction

Human Machine Interfaces (HMIs) play a vital role in modern industrial automation systems by enabling operators to monitor, control, and optimize machine processes. Among the most widely used HMI solutions worldwide are the SIMATIC HMI panels from Siemens.

This article provides an overview of Siemens SIMATIC HMI touch panels, with a focus on models starting with 6AV2123 and 6AV2124, two commonly used series in factory automation and OEM control systems.

What Is Siemens SIMATIC HMI?

SIMATIC HMI is Siemens’ dedicated human-machine interface solution designed to work seamlessly with SIMATIC PLC systems such as S7-1200 and S7-1500. These panels allow operators to visualize machine status, input commands, manage alarms, and display process data in real time.

With robust hardware and powerful visualization software, SIMATIC HMI panels are widely used in industrial environments.

Overview of 6AV2123 and 6AV2124 Series

Siemens HMI panels with part numbers starting with 6AV2123 and 6AV2124 belong to the SIMATIC HMI panel family.

  • 6AV2123 Series
    Typically used for compact HMI applications, offering reliable performance for basic visualization tasks.

  • 6AV2124 Series
    Commonly associated with SIMATIC Comfort Panels, providing larger displays, higher resolution, and enhanced functionality for more demanding applications.

Both series support touch operation and integrate smoothly with Siemens automation systems via TIA Portal.

Key Features of Siemens 6AV2123 / 6AV2124 HMI Panels

  • Intuitive touchscreen interface

  • High-quality TFT displays

  • PROFINET and Ethernet communication

  • Full integration with TIA Portal engineering software

  • Industrial-grade design for continuous operation

Dimension 6AV2123 Series (Basic Panel 2nd Gen) 6AV2124 Series (Comfort Panel)
Core Positioning Entry-level, meeting basic monitoring and operation requirements for small-scale equipment Mid-to-high end, adapted for complex process visualization, recipe management, alarm analysis, etc.
Operation Method KTP (Key + Touch Panel), TP (Touch Panel Only) KTP, TP, KP (Key Panel Only), supports more custom function keys
Display Capability 65536 colors, max resolution 1280×800 (12-inch) 16777216 colors, higher resolution available on selected models for finer display effects
Communication Interfaces 1×PROFINET, 1×USB, RS485 on selected models Multi-interfaces including PROFINET, PROFIBUS, USB, SD card, RS422/485, etc.
Software Compatibility WinCC Basic, with streamlined configuration functions WinCC Comfort/Advanced, supports advanced functions such as scripting and online multi-language switching
Typical Applications Local control and status monitoring for standalone equipment and small production lines Centralized monitoring and diagnosis for large production lines, process industry and multi-equipment collaboration

Part Number of Siemens 6AV2123 / 6AV2124 HMI Panels

Series Product Line Part Number Display Size Resolution Operation Type Colors Interfaces Software Key Features
6AV2123

(Basic Panel 2nd Gen)

 KTP400 Basic 6AV2123-2GA03-0AX0 4″ 480×272 Key + Touch 65,536 1×PROFINET, 1×USB, RS485 (DP version) WinCC Basic Entry-level, 20,000h backlight life, compact design
KTP700 Basic 6AV2123-2GB03-0AX0 7″ 800×480 Key + Touch 65,536 1×PROFINET, 1×USB WinCC Basic Widescreen, portrait mode support, cost-effective
KTP900 Basic 6AV2123-2JB03-0AX0 9″ 800×480 Key + Touch 65,536 1×PROFINET, 1×USB WinCC Basic Larger display for better visualization
KTP1200 Basic 6AV2123-2MB03-0AX0 12″ 1280×800 Key + Touch 65,536 1×PROFINET, 1×USB WinCC Basic Highest resolution in Basic series, seamless integration with S7-1200Industry M…
TP1200 Basic 6AV2123-2MA03-0AX0 12″ 1280×800 Touch Only 65,536 1×PROFINET, 1×USB WinCC Basic Touch-only variant for clean interface
6AV2124

(Comfort Panel)

 KTP400 Comfort 6AV2124-2DC01-0AX0 4″ 480×272 Key + Touch 16M PROFINET, PROFIBUS, USB, SD WinCC Comfort Advanced features, 80,000h backlight life, script support
TP700 Comfort 6AV2124-0GC01-0AX0 7″ 800×480 Touch Only 16M PROFINET, PROFIBUS, USB, SD WinCC Comfort System diagnostics, IRT communication support
TP900 Comfort 6AV2124-0JC01-0AX0 9″ 800×480 Touch Only 16M PROFINET, PROFIBUS, USB, SD WinCC Comfort Enhanced visualization, trend analysis capability
TP1200 Comfort 6AV2124-0MC01-0AX0 12″ 1280×800 Touch Only 16M PROFINET, PROFIBUS, USB, SD WinCC Comfort 12MB config memory, Windows CE 6.0, remote diagnostics
TP1500 Comfort 6AV2124-0QC02-0AX1 15″ 1280×800 Touch Only 16M PROFINET, PROFIBUS, USB, SD WinCC Comfort Larger display for complex processes
TP1900 Comfort 6AV2124-0UC02-0AX1 19″ 1920×1080 Touch Only 16M PROFINET, PROFIBUS, USB, SD WinCC Comfort Full HD resolution, advanced data analysis
KP700 Comfort 6AV2124-1JC01-0AX0 7″ 800×480 Key Only 16M PROFINET, PROFIBUS, USB, SD WinCC Comfort Dedicated function keys for industrial operation
KP1200 Comfort 6AV2124-1MC01-0AX0 12″ 1280×800 Key Only 16M PROFINET, PROFIBUS, USB, SD WinCC Comfort Comprehensive key operation for critical applications

Typical Applications

Siemens SIMATIC HMI panels are widely used in:

  • Packaging and labeling machines

  • Conveyor and material handling systems

  • Machine tools and CNC equipment

  • Industrial control cabinets

  • OEM automation solutions

Conclusion

The 6AV2123 and 6AV2124 series Siemens SIMATIC HMI panels provide reliable, user-friendly visualization solutions for industrial automation. With strong system integration, durable design, and a wide range of available models, these HMI panels are an excellent choice for machine builders and system integrators.

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