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The Schneider STBDDI3725 is a digital input module from the Modicon STB series, designed for high-performance control and integration in distributed automation systems. This module offers 16 digital inputs, enabling precise monitoring and control of discrete signals in industrial applications. Whether used in on/off switches, limit switches, sensors, or other binary devices, the STBDDI3725 ensures quick, reliable, and efficient signal processing. With flexible input logic and fast response time, this module is ideal for industries such as automotive, food and beverage, chemical processing, manufacturing, and energy. It integrates seamlessly with Modicon PLCs, I/O modules, and other automation components, making it a core part of efficient industrial control systems.

Technical Specifications

Specification	Details
Model	STBDDI3725
Module Type	Digital Input Module
Number of Inputs	16 Digital Inputs
Input Type	Discrete (ON/OFF)
Input Voltage Range	24V DC
Input Current	6mA (per input)
Input Logic	Sink/Source
Response Time	10 ms (typical)
Dimensions	5.9 in x 4.2 in x 2.8 in (150 mm x 107 mm x 71 mm)
Weight	0.45 kg (0.99 lbs)
Operating Temperature	-20°C to 60°C (-4°F to 140°F)
Storage Temperature	-40°C to 85°C (-40°F to 185°F)
Certifications	UL, CE, RoHS

Recommended Related Models

To maximize the efficiency and scalability of your automation system, consider integrating the STBDDI3725 with these Schneider Electric products:

Modicon STBPSY1200 Power Supply: This power supply module ensures reliable and stable power to the STB I/O modules, including the STBDDI3725.
Modicon STB I/O Modules: A variety of I/O modules designed to expand your system capabilities, including analog and digital input/output modules.
Modicon X80 I/O Modules: Expand your system's input/output capacity with Schneider Electric's X80 I/O modules, offering a range of digital and analog solutions.

Popular Schneider Models

Modicon M580 Ethernet PLC: A high-performance PLC with Ethernet-based communication, ideal for use with the STBDDI3725 in large-scale, distributed automation systems.
Magelis GTU HMI: A graphical touch screen interface that integrates seamlessly with the STBDDI3725, providing intuitive control and visualization of industrial processes.
Modicon TM3 I/O Modules: These modular I/O systems provide flexible and scalable I/O capabilities, working well alongside the STBDDI3725 in automation systems.

Applications

The STBDDI3725 digital input module is perfect for a wide variety of applications where reliable, fast, and flexible digital signal monitoring is required:

Industrial Automation: Use the STBDDI3725 for robotics, conveyor systems, assembly lines, and packaging machinery in industries such as automotive, electronics, and consumer goods.
Process Control: Integrate the STBDDI3725 to monitor and control on/off signals from sensors, limit switches, and other devices in chemical, pharmaceutical, and food & beverage processes.
Building Automation: The module is ideal for managing HVAC, lighting, energy management, and security systems in commercial and industrial buildings, enhancing operational efficiency and reducing costs.
Energy Management: Use the STBDDI3725 to monitor on/off signals in smart grids, renewable energy systems, and industrial power control applications.
Water Treatment: It’s perfect for monitoring signals from devices such as water pumps, pressure sensors, and flow switches in water treatment and wastewater management applications.

Advantages

High Digital Input Capacity: The STBDDI3725 provides 16 digital input channels, enabling the integration of multiple discrete sensors or control devices in your system.
Fast Response Time: With a typical response time of 10 ms, this module ensures that digital signal changes are rapidly detected and processed, allowing for quick control actions in industrial systems.
Flexible Input Logic: Supporting both sink and source input logic, the STBDDI3725 offers flexibility for integrating various industrial devices and sensors.
Compact Design: The STBDDI3725 has a compact form factor of 150 mm x 107 mm x 71 mm, ensuring ease of installation in space-constrained environments.
Energy Efficient: With 6mA input current per input channel, the module is highly energy-efficient, making it suitable for power-sensitive applications.
Wide Operating Temperature Range: It functions effectively in temperatures ranging from -20°C to 60°C (-4°F to 140°F), making it suitable for a variety of industrial environments.
Certified for Safety and Quality: The STBDDI3725 is certified with UL, CE, and RoHS, ensuring that it meets international standards for safety, environmental impact, and product quality.
Durable Construction: Designed to withstand harsh environments, the STBDDI3725 is built to deliver long-term reliability in challenging industrial settings.

Advantages

High Digital Input Capacity: The STBDDI3725 provides 16 digital input channels, enabling the integration of multiple discrete sensors or control devices in your system.
Fast Response Time: With a typical response time of 10 ms, this module ensures that digital signal changes are rapidly detected and processed, allowing for quick control actions in industrial systems.
Flexible Input Logic: Supporting both sink and source input logic, the STBDDI3725 offers flexibility for integrating various industrial devices and sensors.
Compact Design: The STBDDI3725 has a compact form factor of 150 mm x 107 mm x 71 mm, ensuring ease of installation in space-constrained environments.
Energy Efficient: With 6mA input current per input channel, the module is highly energy-efficient, making it suitable for power-sensitive applications.
Wide Operating Temperature Range: It functions effectively in temperatures ranging from -20°C to 60°C (-4°F to 140°F), making it suitable for a variety of industrial environments.
Certified for Safety and Quality: The STBDDI3725 is certified with UL, CE, and RoHS, ensuring that it meets international standards for safety, environmental impact, and product quality.
Durable Construction: Designed to withstand harsh environments, the STBDDI3725 is built to deliver long-term reliability in challenging industrial settings.