Introduzione al LOGO! Siemens

Summary

This video provides an in-depth overview of the Siemens 'Logo' micro PLC, exploring its features, variations, and applications. It covers the different power supply options (DC/AC), output types (solid-state or relay), and how the PLC can be expanded with additional I/O modules. The 'Logo' is suited for smaller automation projects and offers flexibility through Ethernet communication, a web interface, and cloud integration. It also highlights programming options using the integrated display or the Logo software. Ideal for small-scale installations, the 'Logo' stands out for its simplicity, expandability, and modern connectivity options.

Takeaways

• 😀 The Siemens LOGO! is a compact micro PLC suitable for small automation applications.
• 😀 It can be mounted on DIN rails and comes in different models based on power supply type, outputs, and display presence.
• 😀 LOGO! offers both DC (12V/24V) and AC (220V) power supply options.
• 😀 The PLC can be equipped with either solid-state or relay outputs, which can control different load types and voltages.
• 😀 It is categorized as a micro PLC, distinct from larger standard or compact PLCs in terms of functionality and hardware limitations.
• 😀 LOGO! is expandable with I/O modules, supporting both digital and analog inputs and outputs.
• 😀 The LOGO! programming can be done via its built-in display or through the LOGO! Software (Logo Soft Comfort), which is affordable compared to Siemens' larger PLC software.
• 😀 It supports Ethernet communication, and additional modules for GSM, KNX, and Modbus TCP/IP allow for more connectivity options.
• 😀 The LOGO! includes a web server, allowing for remote monitoring and control of the system via a browser interface.
• 😀 The LOGO! can store data on Amazon Cloud and access it through mobile apps, providing a modern solution for remote data management.
• 😀 LOGO! has a simple user interface with a built-in or optional external graphic display for visual monitoring, making it more user-friendly for small applications.

Q & A

What is a micro PLC, and how does it differ from larger PLCs?

A micro PLC is a smaller, more compact version of a Programmable Logic Controller (PLC). It is designed for smaller, simpler automation tasks. Unlike larger PLCs, which are used for medium to large industrial systems, micro PLCs like the Siemens Logo are intended for small-scale applications with limited I/O and expansion capabilities.

What are the key features of the Siemens Logo micro PLC?

The Siemens Logo offers several key features: multiple power supply options (DC or AC), both relay and solid-state outputs, the ability to expand with additional modules, Ethernet communication, integration with graphical interfaces, and cloud-based data storage and remote access.

How is the Siemens Logo powered, and what are the available power supply options?

The Siemens Logo can be powered by either 12-24 VDC or 220 V AC. The choice of power supply depends on the specific model, with DC versions offering more flexibility in terms of voltage (12V or 24V).

What is the difference between relay outputs and solid-state outputs in the Siemens Logo?

Relay outputs in the Siemens Logo are used for controlling circuits with higher voltages and heavier loads. Solid-state outputs, on the other hand, directly provide energy to connected loads and are used for simpler applications with lower power requirements.

What are the limitations of the Siemens Logo micro PLC compared to larger PLCs?

The Siemens Logo is limited in terms of I/O capacity and expansion options. It can handle up to 24 digital inputs, 20 digital outputs, and 8 analog I/Os, whereas larger PLCs can support more complex and extensive systems with a greater number of I/Os and higher processing power.

How is the Siemens Logo programmed?

The Siemens Logo can be programmed using either its built-in display and buttons or the Logo!Soft Comfort software. The software is more intuitive and user-friendly, with a low system requirement compared to the TIA Portal used for larger PLCs.

Can the Siemens Logo be expanded with additional modules?

Yes, the Siemens Logo can be expanded with various modules, including digital and analog I/O modules. These expansions allow the system to adapt to specific needs by adding more inputs and outputs as required.

What communication options does the Siemens Logo offer?

The Siemens Logo supports Ethernet communication, allowing it to connect to external devices and networks. Additionally, communication modules for GSM and KNX (home automation) can be installed for further connectivity.

What is the purpose of the TDE display in the Siemens Logo?

The TDE display is an optional, larger display for the Siemens Logo that provides better visibility and includes four function keys that can be programmed for specific tasks. It enhances the basic display by offering more user interaction capabilities.

How can the Siemens Logo integrate with cloud services?

The Siemens Logo allows data to be uploaded to Amazon Cloud, enabling users to access real-time data and graphical pages from anywhere. This cloud integration is particularly useful for remote monitoring and control of systems.