UNI-T UT321 Bedienungsanleitung PDF herunterladen (Seite 91)

IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00

Revision Information

● Title : Model UT351/UT321 Digital Indicating Controllers User’s Manual

● Manual No. : IM 05D01D12-41E

May 2002/1st Edition

Newly published

May 2003/2nd Edition

Complies with safety and EMC standards.

Jun 2003/3rd Edition

Addition of Model UT321.

Sep 2003/4th Edition

Complies with safety and EMC standards for Model UT321.

Jul 2004/5th Edition

Change of the company name.

Mar 2005/6th Edition

Addition of alarm function.

Written by Yokogawa Electric Corporation

Published by Yokogawa Electric Corporation

2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, JAPAN

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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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