Multi-compressor MS-27 Series

Product Overview

The Multi-compressor MS-27 Series is a cutting-edge controller designed for cryogenic systems commonly used in supermarkets, cold stores, and other applications with variable demand. This versatile controller is essential for managing and optimizing the performance of multi-compressor or multi-fan systems, ensuring efficiency and reliability.

Applications

The MS-27 Series controller is ideal for a variety of cryogenic systems, including those found in supermarkets, cold stores, and other environments where the demand for cooling varies. It is specifically designed to handle the complex requirements of cryogenerators, ensuring consistent performance even under fluctuating load conditions.

Main Features

The MS-27 Series is packed with advanced features that make it an essential tool for managing cryogenic systems:

• Four ON/OFF Outputs:

• Control single or multi-stage compressors or fans with precision.

• Proportional Output:

• Manage inverter speed control effectively, allowing for fine-tuned system performance.

• Change-Over Contacts:

• Dedicated output for alarm control, ensuring timely alerts and system safety.

• Pressure and Temperature Inputs:

• Accepts signals from a pressure transmitter (0/4 to 20mA) and a temperature probe (NTC10K), enabling comprehensive system monitoring.

• Digital Inputs:

• Two voltage-free contact inputs for programmable functions, plus up to three digital optocoupled voltage inputs for detailed system diagnostics.

• Control Algorithms:

• Features output rotation, sequential activation, and power optimization for enhanced system efficiency.

• Pressure-Temperature Conversion:

• Converts pressure to temperature based on the gas used, providing accurate system readings.

• Alarm Storage:

• Stores the last nine alarms, allowing for quick diagnostics and troubleshooting.

• Automatic Maintenance Management:

• Automates routine maintenance tasks to reduce downtime and prolong system life.

• Connectivity:

• Seamless integration with LAE supervisory systems for remote monitoring and control.

Technical Specifications

The MS-27 Series is designed with robust technical specifications to meet the demands of modern cryogenic systems:

• Power Supply:

• Available in two models: 230Vac ±10%, 50/60Hz, 3W and 115Vac ±10%, 50/60Hz, 3W.

• Pressure Input:

• Range: -1.0 to 45.0 bar

• Resolution: 0.1 bar

• Accuracy: ±0.2 bar

• Temperature Input:

• Range: -50.0 to 120.0°C

• Resolution: 0.5°C

• Accuracy: ±0.5°C

• Relay Outputs:

• Rated at 5(1)A or 7(2)A, depending on the model.

• Operating Conditions:

• Ambient Temperature: -10 to 50°C

• Front Protection: IP55 for enhanced durability.

• Physical Dimensions:

• Size: 71 x 97 x 61 mm, with DIN Rail compatibility for easy installation.

• Communication Ports:

• Equipped with TTL and RS485 serial ports for advanced connectivity.

Connectivity Options

The MS-27 Series offers advanced connectivity features, including:

• Serial Communication:

• The controller supports both TTL and RS485 protocols, ensuring seamless integration with other systems and devices. This capability makes it easier to monitor and manage your cryogenic system remotely, enhancing overall efficiency.

Model Options

The MS-27 Series comes in different model variations to suit specific needs. For more detailed information on available models and their unique features, please consult LAE or your local dealer.

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