Single output ON/OFF or PID controller LTR-5 Series

Product Overview

The LTR-5 Series Controllers are versatile devices designed to handle both temperature and humidity control across a variety of applications. Whether you're managing small cold stores, refrigerated cabinets, or laboratory equipment, the LTR-5 series offers reliable and precise control to meet your specific needs. With advanced features like PID control with autotuning and compatibility with multiple input types, these controllers ensure optimal performance for your temperature and humidity management systems.

Applications

The LTR-5 Series Controllers are ideal for:

• Small cold stores
• Refrigerated cabinets and tables
• Heating systems
• Heated cupboards
• Bains-marie
• Ovens
• Laboratory equipment
• Greenhouses
• Seasoning cells
• Cold rooms
• Air-conditioned rooms

These controllers are perfect for environments where precise temperature or humidity control is critical.

Main Features

The LTR-5 Series Controllers are packed with features designed to meet the demands of various control applications:

• Power Supply: Operates on standard mains power.
• Control Modes:

• PID control with autotuning or simple ON/OFF control.

• Modes for refrigerating (dehumidifying) or heating (humidifying).

• Outputs:

• Relay output rated at 16A.

• SSR (Solid State Relay) piloting for more refined control.

• Inputs:

• Compatible with PTC, NTC10K, or 0÷1V inputs.

• Resolution: Available in 0.1°C, 1°C, 1°F, or 1% r.H. for detailed control.
• Front Interface:

• Equipped with an ON/OFF button for easy operation.

• Connectivity:

• Compatible with LAE supervisory systems for advanced management.

• Protection:

• Front panel protection rated at IP55, suitable for demanding environments.

• Optional gasket available for enhanced protection between the bezel and panel (on request).

Physical Specifications

The LTR-5 Series Controllers are designed with practical dimensions for easy installation and operation:

• Dimensions: 77 x 35 x 77 mm, compact for versatile installations.
• Panel Cut-out: 71 x 29 mm (W x H), ensuring a snug fit in your control panel.
• Operating Temperature: Designed to operate efficiently in environments ranging from -10°C to 50°C.

Ordering Information

When placing an order for the LTR-5 Series Controllers, it's essential to specify the configuration that best suits your application. The product code is structured to indicate the type of input, output, connectors, power supply, and serial communication options.

Examples:

• LTR-5CSFE-B: For applications requiring an NTC10K input, with a single SSR drive output, screw terminals, 230Vac supply, and an RS485 communication port.
• LTR-5ASRE: For 0÷1V input, with a relay output, screw terminals, 230Vac supply, and no serial port.

These options ensure you get the exact configuration needed for your specific application.

Input and Output Options

Input Types:

• PTC: Product Code - LTR-5T.., Temperature Range: -50°C to 150°C (-60°F to 300°F)
• NTC10K: Product Code - LTR-5C.., Temperature Range: -40°C to 125°C (-40°F to 260°F)
• 0÷1V: Product Code - LTR-5A..., Humidity Range: 0 to 99.9% r.H.

Output Types:

• Relay: For direct switching of loads up to 16A.
• SSR Drive: For solid-state relay control, offering fast and precise switching.

Connectivity and Communication

The LTR-5 Series Controllers offer flexible connectivity and communication options to integrate seamlessly with your systems:

• Connectors: Secure screw terminals for reliable connections.
• Power Supply Options:

• 12Vac/dc (D)

• 230Vac (E)

• 115Vac (U)

• Serial Communication Options:

• No serial port (-)

• TTL (-A)

• RS485 (-B)

These options provide adaptability to various industrial and commercial environments.

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