Schneider Zelio Logic SR3XT101B Discrete I/O Expansion Module

Description

The SR3XT101B is a Zelio Logic discrete I/O expansion module engineered to extend the input/output capacity of Zelio Logic smart relays. This module provides 10 additional I/O channels and operates on a 24 V AC supply. It is designed for easy snap-on integration with the base controller, allowing for scalable control solutions in small-scale automation projects where simplicity and reliable I/O handling are required.

Features

• 10 discrete I/O channels
• 24 V AC operating voltage
• Compact footprint for DIN rail mounting
• Seamless compatibility with Zelio Logic smart relay systems
• Ideal for expanding control logic in localized automation tasks

Applications

• Building automation and lighting control
• Small machinery sequencing
• HVAC system control interfaces
• Simple process monitoring
• Conveyor system management

Technical Specifications

Installation Guidelines

• Mounting: Mount the module on a standard 35 mm DIN rail or directly onto a panel using the integrated mounting clips.
• Connection: Ensure a secure connection to the Zelio Logic base relay using the provided expansion interface connector.
• Wiring: Connect I/O devices according to the terminal diagram. Ensure the 24 V AC power supply matches the module’s voltage rating to avoid electrical damage.
• Environment: Install within a protected electrical enclosure to prevent exposure to dust, moisture, or corrosive industrial vapors.