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Schneider: Modicon – Zelio Logic SR2/SR3 – Smart Relay

July 1, 2025 - Schneider Modicon - Zelio Logic SR2/SR3 - Smart Relay

July 1, 2025

Explore Schneider Electric Canada’s Zelio Logic SR2/SR3 Smart Relay: An Ideal Choice for Efficient Automation

Designed for the management of simple automation systems Zelio Logic SR2/SR3 smart relays, with their unique combination of value for money and ease of use, provide a real alternative to solutions based on cabled logic or specific cards. Simple to select, install and program, Zelio Logic is suitable for all your applications. Flexible, it offers you the choice of two ranges – Compact versions with fixed configurations, and Modular versions which allow the use of extension modules.

The SR2/SR3 smart relays propose a PID function for HVAC applications and a 2G/3G modem communication ability. Zelio Logic configuration software, Zelio Soft, provides simplified tool-free Ladder or FBD and SFC language programming for small applications and is available for free download from Schneider’s website.

Benefits of Zelio Logic SR2/SR3

Schneider-Modicon-Zelio-Logic-SR2 SR3-Smart-Relay SR2/SR3

Flexible

Zelio Logic offers you the choice of 2 ranges- Compact and Modular with expandable units and two programming languages (FBD or LADDER).

Open

Zelio Logic enables you to control and monitor installations in any situation, either on-site or remotely.

Simple

Simple to select, install and program, Zelio Logic is suitable for all your applications.

Features

  • Modbus or Ethernet communication extension modules
  • 6, 10, or 14 discrete I/O and 4 analog I/O extension modules
  • Extreme compactness: up to 26 I/O within 124.6 x 90 x 59 mm
  • Supply voltage of bases: 12 V DC, 24 V DC, 24 V AC, 100… 240 V AC
  • Large back-lit LCD display: 4 lines of 18 characters and 1 line of icons, contextual navigation using 6 buttons
  • Serial or USB connecting cables for smart relay/PC connection
  • Connection interface (smart relay/PC) for Bluetooth wireless connection
  • Zelio Soft 2 intuitive programming software: programming using: function block diagram (FBD): 36 pre-programmed functions, 7 Grafcet functions, 6 logic functions
  • Contact language (LADDER): 12 pre-programmed functions

Videos

Schneider Modicon - Zelio Logic SR2/SR3 - Smart Relay

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