Automation & IIoT

Weidmuller’s M4000 PAC Is Made for Industrial Automation Applications

May 21, 2025

The M4000 programmable automation controller (PAC) from Weidmuller aims to improve efficiency and flexibility in a range of automation environments.

Sharon Spielman

Related To:

Weidmuller

Key Takeaways:

The M4000 PAC supports a range of input and output types.
Its modular design allows for customization.
Integration with multiple communication protocols allows for connectivity between devices and systems.
Security features protect against unauthorized access.

Weidmuller’s M4000 programmable automation controller (PAC) is designed to be robust for use in industrial automation environments and has advanced features such as a high processing capacity, flexible modular design, integrated I/O options, IEC 61131-3 programming support, multiple communication interfaces and security features.

The controller’s processing unit is made to enable efficient handling of complex control tasks and real-time data processing. Its modular architecture allows users to customize the setup according to specific project requirements, making it adaptable to different automation demands.

The M4000 offers multiple integrated input and output types, including digital, analog and other communication protocols for a host of ways to approach data handling and control. It also features IEC 61131-3 programming support. The controller’s compatibility with standard programming languages is said to make it easier for engineers to develop and implement control strategies.

The PAC’s multiple communication interface options include Ethernet, CAN and serial interfaces to facilitate integration within existing automation systems. Additionally, the device includes measures to protect against unauthorized access, ensuring the integrity and reliability of control processes.

The controller is suitable for a range of industries, including industrial manufacturing, processing, energy management and infrastructure management.

About the Author

Sharon Spielman | Technical Editor, Machine Design

As Machine Design’s technical editor, Sharon Spielman produces content for the brand’s focus audience—design and multidisciplinary engineers. Her beat includes 3D printing/CAD; mechanical and motion systems, with an emphasis on pneumatics and linear motion; automation; robotics; and CNC machining.

Spielman has more than three decades of experience as a writer and editor for a range of B2B brands, including those that cover machine design; electrical design and manufacturing; interconnection technology; food and beverage manufacturing; process heating and cooling; finishing; and package converting.

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