The LOGO! PLCs without display by Siemens are designed for automation systems that do not require a visual interface but still need efficient control. These compact controllers offer advanced features like Ethernet connectivity and expansion module compatibility for up to 24 digital inputs and 20 digital outputs. The absence of a display makes these units ideal for installations where space is limited or control is handled remotely.

Key Technical Features:

• Ethernet connectivity for seamless integration with SIMATIC controllers and other automation systems.
• Expandable I/O: up to 24 inputs/20 outputs, with analog I/O support via expansion modules.
• Micro SD card compatibility for program storage and data logging.
• Real-time clock with automatic daylight saving adjustments.
• Fully programmable with LOGO! Soft Comfort software for creating custom automation solutions.

Application Examples:

• Remote monitoring and control in industrial or commercial automation.
• Automation of lighting, HVAC, or access control in systems that do not require a local display interface.
• Integration into larger networks for controlling auxiliary systems.

These LOGO! units without display are perfect for users who need reliable automation with all the functionality of a LOGO! 8 controller, but without the need for an integrated user interface. The ability to connect with LOGO! TDE for text display or control through a web server makes them versatile in various applications.