Emotron M20 User Manual

Emotron M20
Shaft power monitor
Instruction manual
English

Emotron M20 Specifications

General

Communication	Modbus RTU
Protection class	IP20
Mounting	DIN rail
Type	Motor protection
Power consumption	5 W
Analogue output	4-20 mA or 0-20 mA
Rated voltage	690 V AC

Summary

Inside the Box

Safety

Description

Getting Started

Please Note

Important notes before proceeding with setup and connection.

Connection and Setup Before First Start

Steps for connecting the unit and initial setup before powering on.

First Start Procedure

Guide on how to start the motor/machine for the first time.

Manual Alarm Level Setting (Alternative A)

Setting maximum and minimum alarm levels manually.

Manual Alarm Level Setting (Alternatives B & C)

Setting alarm levels based on maximum/minimum loads and approximate calculations.

Wiring

Three-Phase Connection Example

Wiring diagram for three-phase motor connections.

Single-Phase Connection Example

Wiring diagram for single-phase motor connections.

Digital Input Wiring Example

Example of wiring digital inputs to the unit.

Selection of Current Transformer

For Motors Under 100 A

Guide to selecting the correct current transformer for motors below 100 A.

For Motors Over 100 A

Guide to selecting current transformers for motors above 100 A.

Operation

Operational Overview

General overview of the unit's operation and display elements.

Window Menu Navigation

Explanation of the different windows and their functions.

Changing Parameter Values

Step-by-step instructions on modifying parameter values in the unit.

Programming

Setting Measurement Units (kW/HP)

How to select the unit of measurement for power and current.

Setting Rated Motor Power and Current

Configuring the motor's rated power and current values.

Setting Number of Phases

Configuring the number of phases for the motor connection.

Configuring Monitor Function

Setting monitor functions, alarm levels, and start delay parameters.

Setting the Start Delay

Defining the delay period for motor startup to avoid false alarms.

Setting Alarm Levels via Auto Set

Automatically setting alarm levels based on measured motor load.

Setting Response Delay

Configuring delay times before alarm relays are activated.

Advanced Features

Manual Alarm and Margin Settings

Manually configuring alarm levels, margins, hysteresis, and digital input.

Relay Output, Block Timer, and Analogue Output

Configuring relay outputs, block timer, and analogue output signals.

Analogue Output Range and Parameter Locking

Setting analogue output range and locking parameters to prevent changes.

Factory Defaults and Alarm Messages

Resetting to factory defaults and viewing alarm messages.

Special Relay Functions

Configuring special functions like separate relays and reverse operation.

Troubleshooting

Technical Data

Parameter List

Service Information