UNI-T UT321 User Manual Page 3
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- Table of contents
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IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00
Introduction
Thank you for purchasing the UT351/UT321 digital indicating controllers.
■ How to Use the Manuals
Purpose 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
Contains the parameter map used as a guideline for setting
parameters and lists of parameters for recording User Settings.
Title
1. Installation
2.
Initial Settings
3. Operations
4.1 Troubleshooting
5. Parameters
■ 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 05D01D12-41E (CD) 6th Edition : Mar. 2005 (YK)
All Rights Reserved Copyright © 2000, Yokogawa Electric Corporation
- Models UT351/UT321 1
- User’s Manual 1
- Introduction 3
- ■ Safety Precautions 4
- ■ Force Majeure 4
- Modification 5
- CONTENTS 7
- <Int> <Rev> 8
- 1. Installation 9
- 1.2 How to Install 10
- ■ How to Install 12
- ● Recommended Terminal Lugs 14
- PV Input Signals 15
- Loop Power Supply 15
- Retransmission Output 16
- Control Output 16
- Contact Inputs 17
- Contact Outputs 17
- Display Specifications 17
- Safety and EMC Standards 18
- Environmental Conditions 20
- 1.5 Terminal Wiring Diagrams 21
- Receiving 4-20 mA DC Current 22
- Blank Page 26
- 2. Initial Settings 27
- IMPORTANT 28
- (Setting First at Power-on) 29
- Displays PV 30
- 2.3 Changing PV Input Type 32
- Displays 33
- 2.5 Changing Alarm Type 35
- Blinks during 36
- ■ List of Alarm Types 37
- Stand-by Action 38
- “Active Color PV Display” 39
- 3. Operations 41
- ● SP Display 42
- ● Heating/Cooling OUT Display 42
- Displays 43
- 3.4 Setting PID Manually 45
- 3.5 Setting Alarm Setpoints 46
- “SP.NO” 48
- Each time you press the 49
- Operation 50
- 4.1 Troubleshooting 53
- ■ Errors at Power on 54
- 4.2 Maintenance 57
- Target Model Part No 58
- UT351 T9115YD 1 58
- UT321 T9115YE 1 58
- Sales Unit 58
- Attaching Terminal Cover 59
- Center of the bottom gasket 60
- View from the bottom 60
- Manufacturer OMRON 61
- Model G6B-2114P-FD-US-P6B 61
- Power supply 12 V DC 61
- 5. Parameters 63
- UT351/UT321 Parameter Map 64
- 5.2 Lists of Parameters 66
- ● PID-related Parameters 68
- ■ Auto-tuning 69
- ■ PID Switching (Zone PID) 71
- ■ Setup Parameters 72
- Ref.2.1(2) 73
- Ref.4.1(2) 73
- Ref.4.1(4) 73
- Ref.2.1(4) 73
- Ref.2.2(1) 76
- Ref.3.1(1) 76
- ■ External RJC 79
- 100(%) 100(%)50 81
- ■ Cycle Time 82
- 6. Function Block Diagram and 83
- Descriptions 83
- ■ PV Input 86
- ■ Remote Input 86
- ■ Contact Input 87
- ■ Target Setpoint and PID 88
- ■ Control Output 89
- ■ Contact Output 89
- ■ Retransmission Output 90
- ■ 15 V DC Loop Power Supply 90
- Revision Information 91
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