Description
Schneider SR2B121BD | compact smart relay Zelio Logic – 12 I O – 24 V DC – clock – display
The Schneider Electric SR2B121BD is a compact smart relay from the Zelio Logic series, designed for small to medium-scale automation tasks. This model offers 12 I/O (inputs/outputs), operates at 24V DC, and features an integrated clock and display. With these enhanced capabilities, it’s ideal for applications requiring time-based control and simple visualization.
Key Features
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Product Type: Compact smart relay
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Series: Zelio Logic
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Number of I/O: 12 I/O (8 digital inputs, 4 digital outputs)
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Voltage: 24V DC
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Clock: Integrated real-time clock for time-based control
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Display: Built-in display for status and monitoring
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User Interface: Simple and intuitive interface for programming and monitoring
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Programming: Can be programmed using Zelio Soft 2 software
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Mounting: DIN rail compatible
Electrical Specifications
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Power Supply: 24V DC
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Digital Inputs: 8 digital inputs for receiving ON/OFF signals
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Digital Outputs: 4 digital outputs for controlling devices such as motors, lights, or relays
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Relay Contacts: Normally open (NO) contacts for digital outputs
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Clock Function: Real-time clock for time-based operations such as scheduling and time delays
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Output Current: 0.5 A per output channel (maximum)
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Programming: Ladder logic programming via Zelio Soft 2
Mechanical & Environmental Specifications
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Housing: Compact plastic housing for space-saving installation
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Mounting: Easily mounted on DIN rail for quick installation
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Operating Temperature: 0°C to +55°C
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Storage Temperature: -20°C to +70°C
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Protection Rating: IP20 (module body)
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Dimensions: Designed to be compact, saving valuable panel space
Applications
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Time-Based Control: Ideal for applications requiring time-dependent operations like scheduling and delays
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Small Automation Systems: Perfect for automating small machines, lighting, or heating systems
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Energy Management: Suitable for simple energy monitoring or control in industrial environments
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Process Control: Useful in simple process automation where time-based control is needed
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Home Automation: Can be employed in home automation for controlling lighting, HVAC, and other devices based on time schedules
Advantages
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Built-in Clock: Time-based functionality for more complex automation tasks like scheduling or timed delays
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Integrated Display: Visual feedback for easier monitoring and troubleshooting
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Compact and Space-Saving: Efficient use of space, suitable for environments with limited panel space
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Flexible I/O Configuration: 12 I/O points allow for moderate control tasks
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User-Friendly Programming: Easy programming and configuration via Zelio Soft 2, suitable for both beginners and advanced users
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Reliable Performance: Built to operate in harsh environments with high durability and long service life
