Schneider SR2B201BD | compact smart relay Zelio Logic – 20 I O – 24 V DC – clock – display
Technical Specifications
Model: SR2B201BD
Device Type: Compact Smart Relay
Number of Inputs/Outputs: 20 I/O (Digital inputs and outputs)
Operating Voltage: 24V DC
Integrated Clock: Yes (for scheduling and time-based automation)
Display: Built-in LCD screen for real-time monitoring and programming
Programming Interface: Compatible with Zelio Soft 2 (supports USB and direct interface programming)
Communication: Supports expansion modules for added functionality
Protection Rating: IP20 (for indoor industrial use)
Operating Temperature Range: -20°C to 55°C
Key Features
User-Friendly Programming & Operation
Supports Ladder Diagram (LD) and Function Block Diagram (FBD) programming via Zelio Soft 2.
LCD display allows users to monitor data, adjust settings, and troubleshoot errors easily.
Built-in clock enables scheduling for automated tasks, such as lighting control or machinery operation.
Versatile Input/Output Configuration
20 digital I/O ports provide flexibility for various automation applications.
Can handle multiple sensors, switches, and control devices simultaneously.
Reliable Performance & Expandability
Operates on 24V DC, making it compatible with most industrial control systems.
Can be expanded with additional I/O modules for larger automation tasks.
Compact & Durable Design
Space-saving form factor, allowing easy installation in control panels.
IP20-rated enclosure ensures protection against dust and minor environmental factors.
Applications & Use Cases
The Schneider SR2B201BD smart relay is widely used in automation applications, including:
Industrial Process Control
Automating production lines and machinery operations.
Building Automation & Smart Systems
Controlling lighting, HVAC, and security systems.
Motor & Pump Control
Managing pumps, conveyors, and fans for optimized operation.
Energy Management
Scheduling equipment operation to reduce energy consumption.
Agriculture & Irrigation Systems
Automating irrigation schedules based on time or sensor data.









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