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Siemens sitrans User Manual

Siemens sitrans
8 pages
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SITRANS
Variable Frequency Drives and
Instrumentation
Using Variable Frequency Drives and
Instrumentation Without Interference
Application examples
09/2020
AG080819
Introduction
1
Overview
2
Variable Frequency Drive
3
Procedure
4
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Siemens sitrans Specifications

General IconGeneral
CategoryIndustrial Equipment
TypeProcess Instrumentation
ManufacturerSiemens
Product FamilySITRANS
TypesFlow, Level, Pressure, Temperature
Communication ProtocolsHART, PROFIBUS PA, Foundation Fieldbus, Modbus
Operating Temperature-40°C to +85°C (varies by model)
Protection ClassIP65, IP67, IP68

Summary

Legal Information and Notices

Warning Notice System

Explains safety alert symbols and danger grading for notices.

Qualified Personnel Requirements

Defines personnel qualified to operate the product/system based on training and experience.

Proper Use of Siemens Products

Notes on using Siemens products safely, including transport, storage, and installation.

Trademarks Information

Identifies registered trademarks of Siemens AG and other third-party trademarks.

Disclaimer of Liability

States limitations on publication consistency and guarantees, and the need for regular review.

Introduction to EMC Interference Prevention

Objective of the Application Guide

To familiarize users with steps to prevent EMC interference between VFDs and instrumentation.

Equipment Description

Lists the VFD drive and Process Instrumentation equipment covered.

Guide Disclaimer

States no warranty of accuracy or usability is expressed or implied for the information provided.

Overview of VFD Applications

Understanding Variable Frequency Drives

What is a Variable Frequency Drive?

Defines Variable Frequency Drives (VFDs) and their function in controlling AC motor speed.

How a VFD Works

Explains the VFD system's components: drive converter, AC motor, and control interface.

Procedure for Minimizing EMC Issues

Steps to Minimize EMC Issues from VFDs

Provides recommendations for installation to prevent EMC interference from VFDs.

Standards Governing EMC of VFDs

EMC Standards for VFDs in Europe and US

Covers EMC standards like EN/IEC 61800-3 in Europe and FCC CFR Title 47 in the US.

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