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SECOP NLV12.6CN - User Manual

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www.secop.com Sustainable Cooling Solutions
Operating Instructions
EXTENDED CONTROLLERS
FOR NLV-CN COMPRESSORS
105N4866 Multi Voltage · 100–240 V | 50/60 Hz
Commercial
Applications
Premium
Controllers
Variable-Speed
Efficiency
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Summary

Introduction to Secop Extended Controllers

Key Features of the Controller

Lists key features including IP43 housing, multiple relay/digital/analog I/Os, motor control, data logging, and firmware upgrading.

Hardware Interface Description and Connections

Controller Connection Details

Illustrates various connection types like RAST 5, RJ45, spade connectors, and details Modbus, relays, sensors, AIO, and display connections.

Earthing and Airflow Requirements

Details proper earthing practices for EMC performance and electrical safety, emphasizing a single star point for all PE lines.

Modbus Communication Setup

Specifies Modbus connection details, including pins, type, and standard IEA485 specifications for network setup.

Power Output Connection Details

Details the wiring and pin assignments for output relays RL1 to RL8, including their N.O./N.C. configurations and load ratings.

Controller Functions and Features

Application Control and Management

Describes multi-application cabinets and how to define and manage up to 5 applications for different cooling modes.

Modbus Addressing in Networks

Explains how to set unique Modbus addresses for controllers in a network and the address range.

Temperature Sensor Acquisition and Filtering

Details the temperature acquisition system, sensor configuration, offset adjustments, and filtering of temperature measurements.

Reference for Capacity Controller

Explains the function to generate a reference for the compressor capacity controller and limits for temperature settings.

Compressor Capacity Control Strategy

Details how requested compressor capacity is calculated for cooling and maintaining cabinet temperature.

Emergency Cooling Function for Sensor Errors

Ensures refrigeration level during reference sensor errors by taking over capacity control with a specified emergency cooling capacity.

Defrost Control Methods

Details defrost control scheduling, execution sequences, and algorithms to minimize liquid return risk to the compressor.

Alarm Handler and Error Management

Manages alarms for different error types, providing indication on display, relay, or Modbus.

Safety Function for System Protection

Disables peripherals in case of fatal failure, typically by monitoring temperature after defrosting for system defects.

Service Mode for Diagnostics and Control

Allows manual setting of outputs and reading of inputs, protected by access codes for different user levels.

Multi-Compressor Gearbox Control

Manages up to three compressors in a master-client system for increased cooling capacity and better temperature control.

Storing and Restoring Factory Settings

Provides functions to program NLV with OEM factory settings or restore settings for cooling applications.

Modbus Communication Protocol

Modbus Bus Part Descriptions

Explains Modbus communication, including knots, bus master, data lines, common line, termination resistor, and shield.

Technical Data and Specifications

Summary

Introduction to Secop Extended Controllers

Key Features of the Controller

Lists key features including IP43 housing, multiple relay/digital/analog I/Os, motor control, data logging, and firmware upgrading.

Hardware Interface Description and Connections

Controller Connection Details

Illustrates various connection types like RAST 5, RJ45, spade connectors, and details Modbus, relays, sensors, AIO, and display connections.

Earthing and Airflow Requirements

Details proper earthing practices for EMC performance and electrical safety, emphasizing a single star point for all PE lines.

Modbus Communication Setup

Specifies Modbus connection details, including pins, type, and standard IEA485 specifications for network setup.

Power Output Connection Details

Details the wiring and pin assignments for output relays RL1 to RL8, including their N.O./N.C. configurations and load ratings.

Controller Functions and Features

Application Control and Management

Describes multi-application cabinets and how to define and manage up to 5 applications for different cooling modes.

Modbus Addressing in Networks

Explains how to set unique Modbus addresses for controllers in a network and the address range.

Temperature Sensor Acquisition and Filtering

Details the temperature acquisition system, sensor configuration, offset adjustments, and filtering of temperature measurements.

Reference for Capacity Controller

Explains the function to generate a reference for the compressor capacity controller and limits for temperature settings.

Compressor Capacity Control Strategy

Details how requested compressor capacity is calculated for cooling and maintaining cabinet temperature.

Emergency Cooling Function for Sensor Errors

Ensures refrigeration level during reference sensor errors by taking over capacity control with a specified emergency cooling capacity.

Defrost Control Methods

Details defrost control scheduling, execution sequences, and algorithms to minimize liquid return risk to the compressor.

Alarm Handler and Error Management

Manages alarms for different error types, providing indication on display, relay, or Modbus.

Safety Function for System Protection

Disables peripherals in case of fatal failure, typically by monitoring temperature after defrosting for system defects.

Service Mode for Diagnostics and Control

Allows manual setting of outputs and reading of inputs, protected by access codes for different user levels.

Multi-Compressor Gearbox Control

Manages up to three compressors in a master-client system for increased cooling capacity and better temperature control.

Storing and Restoring Factory Settings

Provides functions to program NLV with OEM factory settings or restore settings for cooling applications.

Modbus Communication Protocol

Modbus Bus Part Descriptions

Explains Modbus communication, including knots, bus master, data lines, common line, termination resistor, and shield.

Technical Data and Specifications

SECOP NLV12.6CN Specifications

General IconGeneral
BrandSECOP
ModelNLV12.6CN
CategoryController
LanguageEnglish

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