The ABB 500MTM02, with the complete article number 1MRB150020R0712 1HDF 930512 X010, is a specialized Touch Module engineered as a native Human-Machine Interface (HMI) for the ABB AC 500 programmable logic controller family. This module eliminates the need for a separate external panel by integrating a display and touch interface directly into the PLC rack. It serves as a localized operator station, offering a streamlined solution for machine-level control, real-time process visualization, and interactive parameter adjustments. Designed for robustness and intuitive operation, it is a key component for creating efficient and user-friendly automation interfaces in industrial environments.
The primary role of the 500MTM02 module is to bridge the gap between the machine control logic and the human operator. Mounted directly on the AC 500 PLC, it communicates with the CPU via the high-speed backplane bus, ensuring fast and deterministic data exchange. Operators use the touch screen to monitor live process values (like temperatures, speeds, or pressures), acknowledge alarms, start or stop sequences, and modify setpoints. This direct integration simplifies cabinet design, reduces wiring compared to standalone HMIs, and provides a cohesive control unit where logic execution and operator interaction reside in a single hardware assembly.
Integrated Touch Screen Display: Provides a compact, color graphical interface for clear visualization of process mimics, trends, and alarm lists, responding to touch inputs for navigation and control.
Direct PLC Rack Mounting: Installs as a standard module on the AC 500 rack, requiring no additional communication cables or separate power supply for the display, simplifying installation and saving panel space.
High-Performance Backplane Communication: Leverages the PLC's internal bus for ultra-fast data updates, ensuring the display reflects the current machine state without noticeable lag.
Rugged Industrial Construction: Built to withstand the typical conditions of industrial settings, including vibrations, electrical noise, and a wide operating temperature range.
Comprehensive Software Integration: Fully supported by ABB's Automation Builder engineering suite, allowing for integrated project development where both PLC logic and HMI screens are configured in a coordinated environment.
Flexible Screen Design: Supports the creation of multiple display pages with customizable graphics, buttons, numerical displays, and bar graphs to match specific application needs.

The table below summarizes the key technical attributes of the ABB 500MTM02 touch module, detailing its interface and operational characteristics.
| Specification Category | Details |
|---|---|
| Product Type | Integrated Touch Module / HMI |
| Target System | ABB AC 500 PLC Family |
| Display Technology | LCD with resistive or capacitive touch screen (model-specific) |
| Screen Size & Resolution | Compact format with sufficient resolution for clear operational graphics and data. |
| Interface Connection | Direct connection via AC 500 system backplane; no external communication ports required for basic function. |
| Programming Software | ABB Automation Builder (Integrated HMI design tools) |
| Physical Design | Module-style form factor matching other AC 500 I/O and special modules. |
| Primary Use Case | Local machine-mounted operator control and monitoring station. |
Integration Note: The 500MTM02 is configured within the same software project as the PLC logic in Automation Builder. Screen objects (buttons, indicators, data fields) are linked directly to PLC variables (tags), creating a dynamic and responsive interface. This tight integration facilitates efficient commissioning and troubleshooting.
This touch module is ideally deployed in applications where a dedicated, local operator interface is preferred over a centralized SCADA system. Common uses include:
Standalone Machinery: Packaging machines, assembly stations, or test benches where operators need direct control and status feedback at the machine itself.
Distributed Control Panels: As a sub-panel HMI for a specific section of a larger production line, such as a filling station or a robotic cell.
HVAC and Building Control: Interface for controlling and monitoring building automation systems like chillers or air handling units.
Material Handling Systems: Operator panel for conveyor control systems, sortation units, or automated storage and retrieval systems (AS/RS).
Process Skids and Modules: Providing a local interface for skid-mounted equipment in water treatment or chemical processing, allowing for on-site operation and diagnostics.
Choosing the ABB 500MTM02 offers several practical advantages. Its integrated design reduces total hardware cost and complexity by combining the PLC and HMI into a single unified system. This consolidation minimizes potential failure points associated with external communication cables. For machine builders, it streamlines the supply chain and engineering process. For end-users, it provides a consistent, reliable, and space-saving operator interface that is always synchronized with the PLC program, enhancing operational efficiency and ease of use.
The ABB 500MTM02 1MRB150020R0712 touch module is a strategically designed component that enriches the AC 500 PLC platform with embedded visualization and control capabilities. It exemplifies the trend towards more integrated and compact automation solutions, providing a powerful yet straightforward interface for human interaction with industrial processes. By delivering a robust, factory-floor-ready touch screen directly on the controller, it offers an optimal solution for applications requiring reliable local operator access without the overhead of a separate HMI system.



