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YOKOGAWA MC43 - User Manual

YOKOGAWA MC43
44 pages
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Users
Manual
MC43
Pneumatic Indicating
Controller
IM 02M04B01-01EN
IM 02M04B01-01EN
13th Edition
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YOKOGAWA MC43 Specifications

General IconGeneral
BrandYOKOGAWA
ModelMC43
CategoryController
LanguageEnglish

Summary

Introduction

Regarding This Manual

Information and guidelines for using this user manual.

Safety Precautions for Instrument Operation

Crucial safety instructions for operating the instrument and personnel.

Warranty Information

Handling Cautions

Model, Specifications, and Accessories Check

Verifying the instrument model, specifications, and included accessories upon delivery.

Storage Guidelines

Guidelines for proper storage of the instrument to maintain its condition.

Installation Location Selection

Criteria and recommendations for choosing an appropriate installation site.

General Information

General Outline

Overview of the MC43 controller's function and purpose.

Standard Specifications

Technical details including control types, measurement ranges, and connections.

Principle of Operation

Explanation of how the controller's proportional, reset, and derivative actions work.

Model and Suffix Codes

Guide to interpreting model numbers and suffix codes for configuration.

External Dimensions

Physical dimensions and mounting interface details of the controller.

Installation

Mounting Procedures

Procedures for different mounting methods: 2-inch pipe, panel, and surface.

Air Supply and Output Piping

Instructions for connecting air supply and output signal lines.

Operation

Automatic-Manual Transfer System

How to use the auto-manual transfer system for seamless control switching.

Putting into Operation

Steps for initial setup and starting the controller.

Controller Adjustments

Procedures for tuning proportional, reset, and derivative parameters for optimal performance.

Maintenance

Basic Troubleshooting

Common issues, their symptoms, and initial steps for resolution.

Component Identification

Visual guide to locate key internal parts of the controller.

Cleaning the Restrictor

Step-by-step guide for cleaning the restrictor assembly.

Replacing the Pneumatic Amplifier

Instructions for safely removing and replacing the pneumatic amplifier.

Replacing Filter Screens

Procedure for replacing clogged filter screens.

Cleaning the Nozzle

Method for cleaning the flapper nozzle to ensure proper operation.

Controller Identification

Information required for identifying the controller when contacting support.

Removing Pointer or Index

Steps for removing and replacing indicator pointers.

Removing the Control Unit

Detailed procedure for safely removing the controller's main unit.

Operating Without Derivative Unit

Guidance on operating the controller without the derivative unit.

Control Unit Alignment

Procedures for checking and performing control unit alignment.

Alignment Procedure

Detailed steps for aligning controllers with proportional, reset, or derivative actions.

Pneumatic Connection Identifications

Diagram and explanation of pneumatic connection points and their functions.

Appendix 1: Pressure Elements

Pressure Elements General

Introduction to pressure measuring elements and their working principles.

Calibration and Replacement of Pressure Elements

Procedures for calibrating and replacing pressure sensing elements.

Appendix 2: Thermal Elements

Thermal Elements General

Information on thermal elements, their types, and operation.

Calibration and Replacement of Thermal Elements

Instructions for calibrating and replacing thermal sensing elements.

Customer Maintenance Parts List

Revision Information

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