UNI-T UT321 User Manual Page 76
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<Toc> <5. Parameters>
IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00
DI function selection 1
(DIS)
Retransmission output
type
1: PV, 2: SP, 3: OUT, 4: Loop power supply for sensor (15 V)
In heating/cooling control, an output value before allocation to heating
and cooling control (0 to 100%) is transmitted if setpoint “3” is selected
(0 to 50%: Cooling-side output; 50 to 100%: Heating-side output).
1
Max. value of
retransmission output
scale
Min. value of
retransmission output
scale
RET=1, 2: RTL + 1 digit to 100.0% of PV input range
RET=1, 2: 0.0% of PV input range to RTH - 1 digit
100.0% of
PV input range
0.0% of
PV input range
(RET)
(RTH)
(RTL)
Disables the external contact input.
DI1: 2.SP (on)/1.SP (off), DI2: AUTO (on)/MAN (off)
DI1: Hides (on)/shows (off) the LOCK setup parameter.
DI2: Unused.
See the table below.
DI1: 2.SP (on)/1.SP (off), DI2: STOP (on)/RUN (off)
OFF (0)
1
2
3
4
Parameter
Symbol
Name of Parameter Setting Range and Description Initial Value
User Setting
Target Item
in CD-ROM
Ref.2.2(1)
Ref.3.1(1)
• SP Selection when DIS = 3 is set
DI1 DI2
1.SP
4.SP
3.SP
2.SP
ON
ON ON
ON
OFF
OFF
OFF
OFF
SELECT display-1
registration
SELECT display-2
registration
SELECT display-3
registration
SELECT display-4
registration
OFF (0)
OFF (0)
OFF (0), 201 to 1015
Select the desired parameter from among the operating and setup
parameters, then register the number (D register No.) accompanying that
parameter.
For example, registering “231” for C.S1 allows you to change alarm-1
setpoint in operating display.
Numbers for registering alarm SP parameter for operating display:
Alarm-1 setpoint: 231 Alarm-2 setpoint: 232
Alarm-3 setpoint: 233
Above numbers are alarm setpoint parameters for target setpoint-1 (1.SP).
(C.S1)
(C.S2)
(C.S3)
(C.S4)
Key lock
OFF (0): No key lock
1: Change to any parameter prohibited
Prohibits any operating parameter or setup parameter from being
changed.
The setpoint of the LOCK parameter itself can be changed, however.
2: Change to and display of operating parameters prohibited
Turns off the display for setting operating parameters, thus
prohibiting any change to the parameter settings.
(Hold down the SET/ENT key for more than 3 seconds to show the
password check display.)
3: Disables the A/M key on the instrument’s front panel.
(LOCK)
Password setting 0: Password not set
1 to 9999
0
(PWD)
Ref.6.1(1)
Ref.7.1(2)
Ref.7.1(1)
- 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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