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Schneider Electric SR2B121FU PLC Compact Smart Relay
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The Schneider Electric SR2B121FU is a compact smart relay from the Zelio Logic family. It features 12 total I/O ports (8 discrete AC inputs and 4 relay outputs), operates on a 100V to 240V AC power supply, and includes an integrated real-time clock and LCD display.
Core Specifications
- Product Type: Compact smart relay / programmable controller
- Supply Voltage: 100 to 240 V AC
- Discrete Inputs: 8 channels (100–240 V AC)
- Outputs: 4 relay outputs
- Display & Clock: Built-in LCD screen with navigation buttons and real-time clock function
- Programming: Supports Ladder logic (up to 240 lines) and Function Block Diagram (FBD) via Zelio Soft 2 software
- Memory Backup: EEPROM flash memory with up to 10 years data backup
Key Features
- Compact Size: Easily mounts onto a standard DIN rail inside control panels.
- Easy Operation: Tailored for simple automation tasks in industry or commercial buildings, replacing traditional cabled logic.
- Diagnostics: Front panel LCD and buttons allow direct monitoring, configuration, and error diagnosis without a PC.
Schneider Electric SR2B121FU PLC Compact Smart Relay
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