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Lumel RE72 User Manual

Lumel RE72
96 pages
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CONTROLLER 48 x 48 mm
RE72
USER’S MANUAL

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Lumel RE72 Specifications

General IconGeneral
Input Voltage230 V AC
Output TypeRelay
Number of Outputs2
DisplayLED
HousingPlastic
Switching Current8 A
Control AlgorithmPID
Protection LevelIP20
Mounting TypePanel mounting
Output Relay2 relays

Summary

Application Overview

Controller Package Contents

Basic Requirements, Operational Safety

Installation

Controller Panel Installation

Procedure for fixing the controller in the panel using screw clamps.

Electrical Connection Guide

Details on connecting input signals and outputs using terminal strips.

Initial Controller Startup

Adjusting the Set Point Value

Instructions on how to modify the set point value using push-buttons.

Service and Maintenance

Controller Parameter Programming

Guide to accessing and modifying controller parameters via the programming matrix.

Programming Matrix Navigation

Diagram illustrating the navigation and structure of the programming matrix.

Changing Parameter Settings

Detailed steps for changing numerical and text parameter settings.

Parameter Reference Table

List of configuration parameters with descriptions and available ranges.

Inputs and Outputs Configuration

Main Input Configuration

Details on configuring the universal main input for sensors and signals.

Additional Input Configuration

Instructions for setting up the additional input for remote set points or retransmission.

Binary Input Functionality

Description of available functions for binary inputs.

Output Configuration & Pulse Period

Information on configuring controller outputs and pulse period recommendations.

Control Algorithms

ON-OFF Control with Hysteresis

Explanation of the ON-OFF control method with hysteresis for temperature control.

SMART PID Algorithm Details

Details on the advanced PID algorithm for accurate temperature control.

Step-by-Step Control Method

Description of the step-by-step control algorithm for cylinder control.

Gain Scheduling Function

Explanation of the Gain Scheduling function for objects with varying behavior.

Heating-Cooling Control Setup

Configuration for heating-cooling control loops using PID parameters.

Alarm System Configuration

Alarm Types and Setup

Overview of available alarm types and how to configure them for each output.

Timer Function Operation

Timer Status and Operation

Explanation of timer activation, status display, and alarm indication.

Current Transformer Input Usage

Current Transformer Measurement

Instructions for connecting and measuring current using a current transformer.

Additional Controller Functions

Control Signal Monitoring

How to monitor heating, cooling, or valve signals via the controller display.

Manual Control Mode

Procedure for entering and operating the manual control mode.

Signal Retransmission Setup

Configuration for retransmitting selected values to external recorders.

Soft Start for Set Point Changes

Limitation of temperature accretion rate for smooth set point changes.

Digital Filter for Signal Stability

Enabling and configuring a low-pass filter to stabilize measured values.

Restoring Factory Settings

Procedure to restore the controller to its default factory settings.

Program Control Functions

Programming Control Parameters

Table detailing parameters for programming control and their ranges.

Set Point Value Program Definition

Guide to creating and configuring up to 15 set point value programs.

Executing Set Point Value Programs

Instructions for starting and controlling programs, including locking mechanisms.

Modbus Communication Interface

Modbus Protocol Introduction

Overview of the RE72 controller's serial interface and Modbus protocol functions.

Modbus Error Codes

List and explanation of error codes encountered during Modbus communication.

Modbus Register Map

Table detailing the organization and description of Modbus register groups.

Software Update Procedure

Controller Software Update

Steps for updating the controller's firmware using PC software.

Error Signaling and Messages

Error Messages and Troubleshooting

Table of character messages, reasons, and procedures for error handling.

Technical Specifications

Input Signal Ranges

Table specifying sensor types and their corresponding input ranges.

Controller Version Coding

Version Code Explanation

Explanation of how controller versions are coded based on features and options.

Maintenance and Guarantee Information

Maintenance & Guarantee Policy

Information on controller maintenance, guarantee period, and repair policy.