YOKOGAWA NEW GREEN SERIES User manual

User’s

Manual

IM 05D01C12-41E

Models UT450/UT420

Digital Indicating Controllers

User’s Manual

IM 05D01C12-41E

4th Edition

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<Toc> <Rev> i

IM 05D01C12-41E 4th Edition: May 31, 2006-00

Introduction

Thank you for purchasing the UT450/UT420 digital indicating controller.

■How to Use the Manuals

Purpose Title Description

Setup Describes the tasks (installation, wiring, and others) required

to make the controller ready for operations.

Basic operation

Describes examples of setting PV input types, control output

types, and alarm types. Making settings described herein

allows you to carry out basic control.

Operating procedures

and troubleshooting Describes key operation sequences. For operation control

through external contact inputs, see “1.5 Terminal Wiring

Diagrams.”

Brief operation and

setpoint recording

1. Installation

Initial Settings

3. Operations

4.1 Troubleshooting

5. Parameters Contains the parameter map used as a guideline for setting

parameters and lists of parameters for recording User Settings.

■Regarding This User’s Manual

(1) This manual should be provided to the end user. Keep an extra copy or copies of the

manual in a safe place.

(2) Read this manual carefully to gain a thorough understanding of how to operate this

product before starting operation.

(3) This manual describes the functions of this product. Yokogawa Electric Corporation

(hereinafter simply referred to as Yokogawa) does not guarantee the application of

these functions for any particular purpose.

(4) Under absolutely no circumstances may the contents of this manual, in part or in

whole, be transcribed or copied without permission.

(5) The contents of this manual are subject to change without prior notice.

(6) Every effort has been made to ensure that the details of this manual are accurate.

However, should any errors be found or important information be omitted, please

contact your nearest Yokogawa representative or our sales office.

Media No. IM 05D01C12-41E (CD) 4th Edition : May 2006 (YK)

IM 05D01C12-41E 4th Edition: May 31, 2006-00

■Safety Precautions

The following symbol is indicated on the controller to ensure safe use.

CAUTION

This symbol on the controller indicates that the operator must refer to an explanation in the

user’s manual in order to avoid the risk of injury or death of personnel or damage to the

instrument. The manual describes how the operator should exercise special care to avoid

electric shock or other dangers that may result in injury or loss of life.

The following symbols are used in the hardcopy user’s manuals and in the user’s manual

supplied on the CD-ROM.

NOTE

Indicates that operating the hardware or software in a particular manner may damage it or

result in a system failure.

IMPORTANT

Draws attention to information that is essential for understanding the operation and/or

features of the controller.

■Force Majeure

(1) Yokogawa assumes no liability to any party for any loss or damage, direct or indirect,

caused by the use or any unpredictable defect of the product.

(2) No portion of the software supplied by Yokogawa may be transferred, exchanged,

leased or sublet for use by any third party without the prior permission of Yokogawa.

(3) Be sure to use the spare parts approved by Yokogawa when replacing parts or

consumables.

(4) Use this software with one specified computer only. You must purchase another copy

of the software for use on each additional computer.

(5) Copying this software for purposes other than backup is strictly prohibited.

(6) Store the floppy disk(s) (original medium or media) containing this software in a

secure place.

<Toc> <Rev> iii

IM 05D01C12-41E 4th Edition: May 31, 2006-00

■Regarding Protection, Safety, and Prohibition Against Unauthorized

Modification

(1) In order to protect the product and the system controlled by it against damage and

ensure its safe use, make certain that all of the instructions and precautions relating to

safety contained in this document are strictly adhered to. Yokogawa does not guaran-

tee safety if products are not handled according to these instructions.

(2) Modification of the product is strictly prohibited.

(3) Reverse engineering such as the disassembly or decompilation of software is strictly

prohibited.

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IM 05D01C12-41E 4th Edition: May 31, 2006-00

CONTENTS

Models UT450/UT420

Digital Indicating Controllers

User’s Manual

IM 05D01C12-41E 4th Edition

Introduction........................................................................................................... i

1. Installation .............................................................................................. 1-1

1.1 Model and Suffix Codes.................................................................................. 1-1

1.2 How to Install................................................................................................... 1-2

1.3 How to Connect Wires .................................................................................... 1-5

1.4 Hardware Specifications ................................................................................ 1-7

1.5 Terminal Wiring Diagrams ............................................................................ 1-14

2. Initial Settings ......................................................................................... 2-1

2.1 Names and Functions of Front Panel Parts................................................... 2-2

2.2 Setting PV Input Type (Setting First at Power-on) ......................................... 2-3

2.3 Changing PV Input Type ................................................................................. 2-7

2.4

Setting Control Output Type (except for a Position Proportional Controller) ....

2-9

2.5 Calibrating Valve Position (for a Position Proportional Controller Only) ...2-11

2.6 Initializing Parameters .................................................................................. 2-12

2.7 Changing Alarm Type ................................................................................... 2-13

2.8 Description of Multiple Setpoints and PID................................................... 2-16

3. Operations .............................................................................................. 3-1

3.1 Monitoring-purpose Operating Displays Available during Operation ......... 3-1

3.2 Setting Target Setpoint (SP) ........................................................................... 3-3

3.3 Performing/Canceling Auto-tuning ................................................................ 3-3

3.4 Setting PID Manually....................................................................................... 3-5

3.5 Setting Alarm Setpoints.................................................................................. 3-6

3.6 Selecting Target Setpoint Numbers (SPN) .................................................... 3-7

3.7 Switching between Run and Stop .................................................................. 3-8

3.8 Switching between AUTO and MAN ............................................................... 3-9

3.9 Manipulating Control Output during Manual Operation ............................. 3-10

3.10 Switching between Remote (REM) and Local (LCL) ................................... 3-12

IM 05D01C12-41E

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4th Edition: May 31, 2006-00

4. Troubleshooting and Maintenance ........................................................ 4-1

4.1 Troubleshooting.............................................................................................. 4-1

4.2 Maintenance .................................................................................................... 4-6

4.2.1 Cleaning ........................................................................................... 4-6

4.2.2 Replacing Brackets ........................................................................... 4-6

4.2.3 Attaching Terminal Cover .................................................................. 4-7

4.2.4 Replacing Parts with a Limited Service Life ....................................... 4-8

4.2.5 Replacing Control Output Relays ...................................................... 4-9

5. Parameters.............................................................................................. 5-1

5.1 Parameter Map ................................................................................................ 5-1

5.2 Lists of Parameters ......................................................................................... 5-6

6. Function Block Diagram and Descriptions............................................ 6-1

Revision Information ............................................................................................ i

<Toc> <1. Installation> 1-1

IM 05D01C12-41E 4th Edition: May 31, 2006-00

1. Installation

This chapter describes installation, wiring, and other tasks required to make the

controller ready for operation.

1.1 Model and Suffix Codes

Before using the controller, check that the model and suffix codes match your order.

Model Suffix Code Description

UT450 Digital indicating controller (provided with retransmission output and 15 V

DC loop power supply as standard)

-0 Standard type

-1 Position proportional type

-2 Heating/cooling type

-3 Standard type (with 24 V DC loop power supply)

Type

-4 Position proportional type (with 24 V DC loop power supply)

0 None

With communication, remote input, 5 additional DIs, and 1 additional Alarm

2 With communication, remote input, and 1 additional DI

3 With 4 additional DIs and 1 additional Alarm

Optional functions

4 With remote input and 1 additional DI

Model Suffix Code Description

UT420 Digital indicating controller (provided with retransmission output and 15 V

DC loop power supply as standard)

Type -0 Standard type

0 None

7 With communication, remote input, and 2 additional DIs

Optional functions

8 With remote input and 2 additional DIs

Check that the following items are provided:

•Digital indicating controller (of ordered model)........................................ 1

•Brackets (mounting hardware) ............................................................... 1 pair

•Unit label................................................................................................ 1

•User’s Manuals ...................................................................................... 4 (A2 size)

•User’s Manual (Reference) (CD-ROM version) ...................................... 1

■Correspondence between the Model and Suffix Codes, and the Contact

Input/Output Terminals Provided

Check the model ordered and the presence/absence of contact inputs and outputs in the

following table.

Contact input terminals Alarm output terminals

Model and Suffix

Codes DI1 DI2 DI3 DI4 DI5 DI6 R/L AL1 AL2 AL3 AL4

UT450- 1

UT450- 0

UT450- 2

UT450- 3

UT450- 4

✓✓

✓✓✓✓

✓

✓✓✓

✓

UT420-00

UT420-07

UT420-08

✓

✓ indicate that the contacts are available.

Note: For the contact input functions, see “1.5 Terminal Wiring Diagrams.”

1-2

IM 05D01C12-41E 4th Edition: May 31, 2006-00

1.2 How to Install

NOTE

To install the controller, select a location where:

1. no one may accidentally touch the terminals,

150 mm150 mm

150 mm

2. mechanical vibrations are minimal,

3. corrosive gas is minimal,

4. temperature can be maintained at about 23C and

the fluctuation is minimal,

5. no direct radiant heat is present,

6. no magnetic disturbances are caused,

7. no wind blows against the terminal board (reference junction compensation element),

8. no water is splashed,

9. no flammable materials are around,

Never place the controller directly on flammable items or equipment.

If the controller has to be installed close to flammable items or equipment, be sure to

provide shielding panels all around the controller, at least 150 mm away from every side;

the panels should be made of either 1.43 mm-thick metal-plated steel plates or 1.6 mm-

thick uncoated steel plates.

●Installation Position

Install the controller at an angle within 30°from horizontal with the front panel facing up-

ward. Do not install it facing downward. The position of right and left sides should be hori-

zontal.

Front panel

of controller Must not

exceed 30

30Rear of

controller

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