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Schneider Zelio Logic SR2 Smart Relay
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Schneider Zelio Logic SR2 Smart Relay

Manufacturer: Schneider Electric
Model: Zelio Logic SR2 Smart Relay
Power Supply: 24V DC or 100–240 V AC
I/O Configuration: Up to 12 discrete inputs and 8 relay outputs
Standards: IP20, UL, GOST, CSA, EN/IEC 61131-2, and EMC Directive

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Product Description

Schneider Zelio Logic SR2 Smart Relay is a compact and modular logic controller designed for small-scale automation systems across industrial and commercial applications. It simplifies control tasks with user-friendly programming via front-panel buttons or PC software (Zelio Soft), supporting LADDER, Function Block Diagram (FBD), and Grafcet SFC languages. The series offers scalable I/O configurations (10–26 base I/O, expandable to 40) and integrates real-time monitoring with an LCD display. Ideal for space-constrained installations, it ensures reliable performance in machine control, lighting, HVAC, and access systems.

Standard Features

  • Easy Programming: On-device buttons or PC software (Zelio Soft) with LADDER/FBD/Grafcet SFC support

  • Scalable I/O: Base units (10/12/20 I/O), expandable up to 40 I/O

  • Real-Time Clock: Built-in for time-based automation tasks

  • High-Speed Processing: 10 ms cycle time for rapid response

  • Backup Memory: EEPROM storage retains programs for 10 years, enabling easy device replacement

  • Dual Mounting: DIN rail or panel installation with IP20 protection (terminals)

  • Analog Capabilities: 4 analog output channels (select models)

  • Remote Monitoring: Optional communication modules for SMS/email alerts and remote control

Technical Specifications

ModelI/O ConfigurationPower Supply
SR2A101BD10 inputs, 4 Digital outputs24V DC
SR2A101FU10 inputs, 4 Digital outputs100-240V AC
SR2B121B12 inputs, 4 Digital outputs24V AC
SR2B121FU12 inputs, 4 Digital outputs100-240V AC
SR2D101BD10 inputs, 4 Digital outputs24V DC
SR2D101FU10 inputs, 4 Digital outputs100-240V AC
SR2E121B12 inputs, 4 Digital outputs24V AC
SR2E121FU12 inputs, 4 Digital outputs100-240V AC
SR2PACKFU12 inputs, 4 Digital outputs100-240V AC
SR2A201FU12 inputs, 8 relay outputs100-240V AC
SR2B201B12 inputs, 8 relay outputs24V AC
SR2B201FU12 inputs, 8 relay outputs100-240V AC
SR2D201FU12 inputs, 8 relay outputs100-240V AC
SR2E201B12 inputs, 8 relay outputs24V AC
SR2E201FU12 inputs, 8 relay outputs100-240V AC

 

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