Relpol NEED-24DC-11-08-4R Programmable Relay 24V DC, 8 Inputs, 4 Outputs with Display and Keypad

The Relpol NEED-24DC-11-08-4R is a versatile programmable logic relay engineered for precise control in industrial automation and building management systems. Operating on a 24V DC power supply, this compact controller provides a reliable solution for managing small-scale automation tasks. It features an integrated LCD display and a user-friendly keypad, enabling operators to configure logic, monitor system status, and make adjustments directly on the device without requiring external programming tools.

Advantages

This programmable relay offers significant flexibility for automation projects by combining control logic, input processing, and output switching in a single, space-saving unit. The inclusion of an onboard display and keypad simplifies the commissioning process and allows for quick troubleshooting or parameter changes in the field. Its robust design ensures consistent performance in demanding industrial environments, while the digital inputs and relay outputs provide the necessary connectivity for a wide range of sensors and actuators.

Suitable for

• Small-scale industrial automation systems
• Machine control and monitoring
• Building management and lighting control
• Automated gate and door systems
• HVAC control applications

When it may not be suitable

This device is not intended for complex, high-speed motion control or large-scale distributed control systems that require extensive communication protocols or high-density I/O counts. It may also be unsuitable for applications requiring advanced graphical interfaces or remote web-based management.

Key specifications

• Supply voltage: 24V DC
• Digital inputs: 8
• Relay outputs: 4
• Interface: Integrated LCD display and keypad
• Mounting: Standard DIN rail

How to use

To use the Relpol NEED-24DC-11-08-4R, mount the unit onto a standard DIN rail within your control cabinet. Connect the 24V DC power supply to the designated terminals, ensuring correct polarity. Wire your sensors to the 8 digital inputs and connect your controlled devices to the 4 relay outputs. Once powered, use the integrated keypad and LCD screen to navigate the menu, program your control logic, and monitor the operational status of your system.

What to consider before purchase

• Verify that the 24V DC power supply matches your system requirements.
• Ensure the number of inputs and outputs is sufficient for your specific application.
• Confirm that the logic capabilities of the relay meet your control sequence needs.
• Check the physical dimensions to ensure it fits within your existing enclosure.

Usage recommendations

Always ensure that the power is disconnected before performing any wiring or maintenance tasks. Follow the manufacturer's wiring diagram precisely to prevent damage to the relay or connected equipment. Regularly inspect the terminal connections to maintain optimal electrical contact.