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MR MESSKO COMPACT User Manual

MR MESSKO COMPACT
120 pages
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Pointer thermometer
MESSKO
®
COMPACT
Operating instructions
5831400/02 EN

Table of Contents

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MR MESSKO COMPACT Specifications

General IconGeneral
BrandMR
ModelMESSKO COMPACT
CategoryThermometer
LanguageEnglish

Summary

Introduction

Manufacturer Details

Manufacturer's contact information, address, and website.

Document Completeness

Specifies required supporting documents for document completeness.

Safekeeping Instructions

Guidance on keeping the technical file accessible for future reference.

Notation Conventions

Explanation of symbols and textual emphasis used throughout the document, including hazard communication systems.

Security

Appropriate Use

Defines the intended use of the pointer thermometer in stationary large-scale systems.

Fundamental Safety Instructions

General safety guidelines covering PPE, work area, and contamination control.

Personnel Qualification

Requirements for personnel responsible for installation, operation, and maintenance.

Personal Protective Equipment

Details on mandatory personal protective equipment for safe work.

Product Description

Scope of Delivery

Lists the items included in the product package and optional accessories.

Function Description

Explains how the pointer thermometer measures and displays temperature in transformers.

Design Overview

Details the components and features of the Compact Standard and Compact RM pointer thermometers.

Device Versions

Outlines different device versions and their corresponding type keys and meanings.

Safety Markings

Explains the various safety symbols and their meanings on the product.

Nameplate Information

Describes the information found on the device's nameplate.

Packaging, Transport and Storage

Packaging Purpose and Structure

Details the design and function of the packaging for product protection.

Shipping Markings

Explains mandatory symbols for safe transport and storage of non-hazardous goods.

Transportation and Handling

Guidelines for preventing damage during transport, receipt, and handling.

Storage of Shipments

Recommendations for selecting and maintaining storage locations for the product.

Further Transport Guidelines

Advice on protecting the product during transport to the installation site.

Installation and Commissioning

Transporting in Installed State

Procedures for moving the device when already installed.

Checking Measured Temperature Values

Method for verifying the accuracy of the thermometer's display.

Mounting the Pointer Thermometer

Instructions for attaching the thermometer to the transformer, including orientation and vibration.

Electrical Connection

Detailed procedures and safety warnings for making electrical connections to the device.

Connecting Interfaces (Optional)

Guidance on connecting analog outputs and Modbus RTU interfaces.

Connecting Micro-switches

Steps for wiring the micro-switches according to different device versions.

Checking Micro-switches

Procedures for verifying the functionality of the micro-switches.

Setting Temperature Gradients

Procedures for adjusting temperature gradients for winding temperature indication.

Connecting Current Transformer

Instructions and safety precautions for connecting the current transformer.

Configuring Modbus (Type TTM)

Steps to change Modbus configuration settings like address, parity, and baud rate.

Closing Cover Plate and Seal Ring

Procedures for closing the cover plate and positioning the bayonet seal ring.

Operation

Resetting Drag Hands

How to reset the drag hand to the pointer's position to track maximum temperature.

Fault Elimination

General Malfunctions (Type TT)

Troubleshooting common issues for devices with passive analog output.

General Malfunctions (Type TTM)

Troubleshooting common issues for devices with Modbus and active analog output.

Analog Signal Malfunctions

Diagnosing and resolving issues with the 4...20 mA analog signal.

Modbus Communication Malfunctions

Troubleshooting problems related to Modbus RTU communication.

Self-Diagnostic Status (Type TTM)

Interpreting device status codes from self-diagnosis for error detection.

Disposal

SVHC Information (REACH)

Information on substances of very high concern (SVHC) present in the product components.

Technical Data

Ambient Conditions

Specifies permissible environmental conditions for operation and storage.

Measuring Ranges and Tolerance

Details measurement ranges and permitted deviations for temperature indicators.

Basic Materials and Dimensions

Lists construction materials and physical dimensions of the device.

Analog Output Specifications

Technical details for passive and active 4...20 mA analog outputs.

Modbus RTU Interface Specifications

Technical details for the RS485 interface and Modbus RTU protocol.

Micro-switch Specifications

Technical details regarding the quantity, switching distance, and hysteresis of micro-switches.

Modbus RTU Factory Settings

Default configuration settings for Modbus RTU communication.

Appendix

Pointer Thermometer Dimensions

Dimensional drawings for the MESSKO® Compact pointer thermometer.

Compact RM Dimensions

Dimensional drawings for the MESSKO® Compact RM pointer thermometer.

Temperature Sensor Details

Diagrams and dimensions for different temperature sensor types.

Step Protection Information

Information on the optional step protection for specific sensor types.

Mounting Plate Dimensions

Dimensional drawings for vibration-damping and mounting plates.

Cable Gland and Adapter Dimensions

Specifications and dimensions for various types of cable glands and adapters.

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