Brand:Schneider PLC Item No.:SR2E121B Product Origin:France Product Dimensions:107.6 × 71.2 × 59.5 mm Product Weight:0.22 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Schneider SR2E121B Smart Relay Module is a compact programmable controller from the Zelio Logic series, developed for applications requiring simple yet reliable automation control. It combines programmable logic functions, relay outputs, and integrated timing capability into a compact DIN-rail mounted design.
Designed for machine builders, system integrators, and maintenance professionals, the SR2E121B provides a practical solution for replacing conventional relay circuits. Its flexible programming options, built-in clock function, and compact structure make it well suited for standalone automation tasks where efficiency and easy commissioning are essential.
• Designed for compact automation applications requiring dependable programmable control, integrated timing functions, and flexible relay-based switching.
• Suitable for machine control, lighting automation, HVAC systems, pump control, access systems, and small industrial equipment requiring a space-saving controller solution.
• Provides an efficient replacement for traditional relay logic circuits by combining programmable functions, integrated clock capability, and DIN-rail installation in a compact Zelio Logic platform.
Key Strengths at a Glance
• Features a Zelio Logic compact smart relay architecture with 24 V AC power supply, 8 discrete inputs, and 4 relay outputs for basic automation control tasks.
• Includes an integrated clock function, allowing scheduled operations and time-based automation sequences without additional timing devices.
• Supports both ladder logic and function block diagram programming, providing flexible configuration options for engineers and maintenance teams.
Technical FAQs
Q1: What is the primary function of the Schneider SR2E121B?
The Schneider SR2E121B is a compact smart relay from the Zelio Logic series, designed to execute programmable control functions for small industrial and commercial automation systems.
Q2: Which Schneider Electric product family does the SR2E121B belong to?
The SR2E121B belongs to the Zelio Logic compact smart relay family, which is designed for simple automation applications requiring programmable control.
Q3: What type of power supply does the SR2E121B require?
The SR2E121B operates with a 24 V AC power supply and supports a supply range of approximately 20.4 to 28.8 V AC.
Q4: How many inputs and outputs are available on the SR2E121B?
The module provides 8 discrete inputs and 4 relay outputs, offering a total of 12 integrated I/O points for compact control applications.
Q5: Does the SR2E121B include a clock function?
Yes, the SR2E121B includes an integrated clock function for scheduled automation operations and time-based control sequences.
Q6: What programming methods are supported by the SR2E121B?
The SR2E121B supports ladder programming and function block diagram (FBD) programming for application development.
Q7: What type of outputs does the SR2E121B use?
The SR2E121B uses relay outputs, allowing it to control various electrical loads within the specified switching limits.
Q8: Can the SR2E121B be expanded with additional modules?
Yes, the Zelio Logic platform supports compatible expansion options for applications requiring additional functionality.
Q9: Which software is used to configure the SR2E121B?
The SR2E121B can be programmed using Schneider Electric Zelio Soft programming software for creating, testing, and transferring control applications.
Q10: What applications commonly use the SR2E121B?
The SR2E121B is commonly used in compact machines, building automation, lighting systems, pump control applications, and simple industrial monitoring systems.
