UNI-T UT321 User Manual Page 37
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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<Toc> <2. Initial Settings>
2-11
IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00
■ List of Alarm Types
The table below shows the alarm types and alarm actions.
In the table, codes 1 to 10, 33 to 38 are not provided with stand-by actions, while codes 11
to 20, 43 to 48 are provided with stand-by actions.
Alarm action
Alarm action
Alarm type codeAlarm type code
Alarm type
“Open/close” shows status of relay contact,
and “lit” and “unlit” shows status of lamp
Contact
closes
if alarm
occurs
Contact
opens
if alarm
occurs
Contact
closes
if alarm
occurs
Contact
opens
if alarm
occurs
Alarm type
No alarm OFF
PV high limit
PV low limit
Alarm setpoint
Closed (lit)
Hysteresis
PV
Open (unlit)
1
11
De-energized
on deviation low
limit alarm
Deviation
setpoint
SP
Open (lit)
Hysteresis
PV
Closed
(unlit)
6
16
Closed (lit)
Open (unlit)
Open (unlit)
Closed (lit)
Closed (lit)
Open (unlit)
Open (unlit)
Closed (lit)
Closed (lit)
Hysteresis
Open (unlit)
Alarm setpoint PV
2
12
Deviation high
and low limits
SP
PV
Hysteresis Hysteresis
Deviation setpoint
Closed
(lit)
Open
(unlit)
Closed
(lit)
7
17
Deviation high
limit
Hysteresis
PV
Open (unlit)
SP
Deviation setpoint
Closed (lit)
3
13
Deviation
within
high and low
limits
Deviation setpoint
SP
PV
Hysteresis
Hysteresis
Open
(unlit)
Open
(unlit)
Closed
(lit)
8
18
Deviation
setpoint
Target SP
Open (lit)
Hysteresis
PV
Closed
(unlit)
36
46
Target SP
PV
Hysteresis Hysteresis
Deviation setpoint
Closed
(lit)
Open
(unlit)
Closed
(lit)
37
47
Deviation setpoint
Target SP
PV
Hysteresis
Hysteresis
Open
(unlit)
Open
(unlit)
Closed
(lit)
38
48
Deviation low
limit
PV
SP
Deviation setpoint
Open (unlit)
Hysteresis
Closed (lit)
4
14
De-energized
on PV high limit
De-energized
on PV low limit
PV
Open (lit)
Alarm setpoint
Hysteresis
Closed
(unlit)
9
19
De-energized on
deviation high
limit alarm
PV
Open (lit)
SP
Deviation
setpoint
Hysteresis
Closed
(unlit)
5
15
Alarm setpoint
Hysteresis
PV
Open (lit)
Closed
(unlit)
10
20
Hysteresis
PV
Open (unlit)
Target SP
Deviation setpoint
Closed (lit)
33
43
PV
Target SP
Deviation setpoint
Open (unlit)
Hysteresis
Closed (lit)
34
44
PV
Open (lit)
Target SP
Deviation
setpoint
Hysteresis
Closed
(unlit)
35
45
SP high
limit
SP low
limit
Alarm setpoint
Hysteresis
SP
Output high
limit
Alarm setpointOutput value
Hysteresis
Hysteresis
Alarm setpoint
SP
Output low
limit
Hysteresis
Alarm setpoint Output value
“Open/close” shows status of relay contact,
and “lit” and “unlit” shows status of lamp
Heater
burnout alarm 2
Heater
burnout alarm 1
Sensor grounding
alarm
Sensor grounding alarm
FAIL output
(Note 2)
The controller stops when in a FAIL state.
The control output is set to “OFF” or “0%”
and alarm output is set to “OFF”.
Fault diagnosis
output (Note 1)
Fault diagnosis output
Heater burnout alarms 1 and 2
28
29
30
31
24
25
21
22
23
De-energized
on deviation low
limit alarm for
target setpoint
(Note 3)
Deviation high
and low limits for
target setpoint
(Note 3)
Deviation
within
high and low
limits for
target setpoint
(Note 3)
Deviation high
limit for
target setpoint
(Note 3)
Deviation low
limit for
target setpoint
(Note 3)
De-energized on
deviation high
limit alarm for
target setpoint
(Note 3)
- 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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