UNI-T UT321 Manual do Utilizador

User’sManualIM 05D01D12-41EModels UT351/UT321Digital Indicating ControllersUser’s ManualIM 05D01D12-41E6th Edition

1-2<Toc> <1. Installation>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-001.2 How to InstallNOTETo install the controller, select a location

<Toc> <1. Installation>1-3IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 External Dimensions and Panel Cutout Dimensions(25)(53)[(N-1)96

1-4<Toc> <1. Installation>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 How to InstallCAUTIONTurn off the power to the controller before

<Toc> <1. Installation>1-5IM 05D01D12-41E 6th Edition: Mar. 25, 2005-001.3 How to Connect WiresCAUTION1) Before carrying out wiring, turn

1-6<Toc> <1. Installation>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00● Cable Specifications and Recommended CablesPurpose Name and Manu

<Toc> <1. Installation>1-7IM 05D01D12-41E 6th Edition: Mar. 25, 2005-001.4 Hardware SpecificationsPV Input Signals• Number of inputs: 1 (

1-8<Toc> <1. Installation>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00Retransmission OutputEither PV, target setpoint, or control output

<Toc> <1. Installation>1-9IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00Contact Inputs• Purpose: Selection between target setpoints or Aut

1-10<Toc> <1. Installation>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00Safety and EMC Standards• Safety: Complies with IEC/EN61010-1 (CE

<Toc> <1. Installation>1-11IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00• Panel cutout dimensions:UT351  920+0.8 (W)  920+0.8 (H) mmUT3

1-12<Toc> <1. Installation>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00• Relay contact alarm output terminals: Not isolated between rela

<Toc> <1. Installation>1-13IM 05D01D12-41E 6th Edition: Mar. 25, 2005-001.5 Terminal Wiring DiagramsNOTEDo not use unassigned terminals a

1-14<Toc> <1. Installation>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 UT351 Standard Type (Model UT351-0 or UT351-3)12Relay contact

<Toc> <1. Installation>1-15IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 UT351 Heating/Cooling Type (Model UT351-2)Heating-side control

1-16<Toc> <1. Installation>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 UT321 Standard Type (Model UT321-0 or UT321-3)12Relay contact

<Toc> <1. Installation>1-17IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 UT321 Heating/Cooling Type (Model UT321-2)Heating-side control

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<Toc> <2. Initial Settings>2-1IM 05D01D12-41E 6th Edition: Mar. 25, 2005-002. Initial SettingsThis chapter describes examples of setting

2-2<Toc> <2. Initial Settings>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-002.1 Names and Functions of Front Panel Parts

<Toc> <2. Initial Settings>2-3IM 05D01D12-41E 6th Edition: Mar. 25, 2005-002.2 Setting PV Input Type (Setting First at Power-on)NOTE• The

<Toc> <Rev>iIM 05D01D12-41E 6th Edition: Mar. 25, 2005-00IntroductionThank you for purchasing the UT351/UT321 digital indicating controlle

2-4<Toc> <2. Initial Settings>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-003.Press the SET/ENT key once to register therequired setpoint.

<Toc> <2. Initial Settings>2-5IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Instrument Input Range CodesInput TypeSelect the unit from t

2-6<Toc> <2. Initial Settings>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-002.3 Changing PV Input TypeThe following operating procedure de

<Toc> <2. Initial Settings>2-7IM 05D01D12-41E 6th Edition: Mar. 25, 2005-009.Press the SET/ENT key once to register thesetpoint.PVMANA/MS

2-8<Toc> <2. Initial Settings>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-002.4 Setting Control Output TypeThe following operating procedu

<Toc> <2. Initial Settings>2-9IM 05D01D12-41E 6th Edition: Mar. 25, 2005-009.Press the SET/ENT key once to register thesetpoint.PVMANA/MS

2-10<Toc> <2. Initial Settings>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-005.Press the SET/ENT key once to display themenu “FUNC”.PVMANA

<Toc> <2. Initial Settings>2-11IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 List of Alarm TypesThe table below shows the alarm types an

2-12<Toc> <2. Initial Settings>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00Note 1: The fault diagnosis output turns on in case of input

<Toc> <2. Initial Settings>2-13IM 05D01D12-41E 6th Edition: Mar. 25, 2005-002.6 Setting the PV Display Color Changing Function“Active Col

ii<Toc> <Rev>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Safety PrecautionsThe following symbol is indicated on the controller to ensur

2-14<Toc> <2. Initial Settings>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-002.7 Setting the High Limit and Low limit for PV ColorChangeTh

<Toc> <3. Operations>3-1IM 05D01D12-41E 6th Edition: Mar. 25, 2005-003. OperationsThis chapter describes key entries for operating the co

3-2<Toc> <3. Operations>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Operating Displays for a Heating/Cooling Controller● SP DisplayThe

<Toc> <3. Operations>3-3IM 05D01D12-41E 6th Edition: Mar. 25, 2005-003.2 Setting Target Setpoint (SP)The following operating procedure de

3-4<Toc> <3. Operations>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-003.3 Performing/Canceling Auto-tuningAuto-tuning should be carried ou

<Toc> <3. Operations>3-5IM 05D01D12-41E 6th Edition: Mar. 25, 2005-005.Press the SET/ENT key once to register thesetpoint. (This starts a

3-6<Toc> <3. Operations>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-007.Press the or key to display therequired setpoint.PVMANA/MSPAL1

<Toc> <3. Operations>3-7IM 05D01D12-41E 6th Edition: Mar. 25, 2005-003.Press the SET/ENT key twice to display theparameter “A1”.PVMANA/MS

3-8<Toc> <3. Operations>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-003.Press the SET/ENT key several times todisplay the parameter “SP.NO

<Toc> <3. Operations>3-9IM 05D01D12-41E 6th Edition: Mar. 25, 2005-003.8 Switching between AUTO and MANNOTEIf AUTO and MAN have been swit

<Toc> <Rev>iiiIM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Regarding Protection, Safety, and Prohibition Against UnauthorizedModificatio

3-10<Toc> <3. Operations>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-003.9 Manipulating Control Output in ManualOperationNOTEControl outpu

<Toc> <3. Operations>3-11IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00● Controller Behavior and Control Output Manipulation when the Dead

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<Toc> <4. Troubleshooting and Maintenance>4-1IM 05D01D12-41E 6th Edition: Mar. 25, 2005-004. Troubleshooting and Maintenance4.1 Troublesh

4-2<Toc> <4. Troubleshooting and Maintenance>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Errors at Power onThe following table shows e

<Toc> <4. Troubleshooting and Maintenance>4-3IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 If a Power Failure Occurs during Operation● M

4-4<Toc> <4. Troubleshooting and Maintenance>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Troubleshooting when the Controller Fails to

<Toc> <4. Troubleshooting and Maintenance>4-5IM 05D01D12-41E 6th Edition: Mar. 25, 2005-004.2 MaintenanceThis section describes the clean

4-6<Toc> <4. Troubleshooting and Maintenance>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-004.2.3 Attaching Terminal CoverWhen a terminal c

<Toc> <4. Troubleshooting and Maintenance>4-7IM 05D01D12-41E 6th Edition: Mar. 25, 2005-002.With the cover properly folded, fit its top a

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4-8<Toc> <4. Troubleshooting and Maintenance>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-004.2.5 Replacing Control Output RelaysThis subse

<Toc> <4. Troubleshooting and Maintenance>4-9IM 05D01D12-41E 6th Edition: Mar. 25, 2005-004.Hold the bezel and pull it along with the int

4-10<Toc> <4. Troubleshooting and Maintenance>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-007.Insert the internal unit into the housing.Ap

<Toc> <5. Parameters>5-1IM 05D01D12-41E 6th Edition: Mar. 25, 2005-005. ParametersThis chapter contains a parameter map as a guideline fo

5-2<Toc> <5. Parameters>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00A3A1LLA2PIDSCATSP.NODNRBSFLUPROLOHDRHHC2HB2HB1PCCLPCCHHC1ORHORB1.SPO

<Toc> <5. Parameters>5-3IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00STUPSETDisplayed when voltage input.Displayed when IN=TC.AL2SPLSPHPC

5-4<Toc> <5. Parameters>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-005.2 Lists of Parameters* Parameters relating to PV or setpoints shou

<Toc> <5. Parameters>5-5IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00Parameter SymbolName of Parameter Setting Range and Description Init

5-6<Toc> <5. Parameters>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00● PID-related ParametersThe following parameters are displayed when

<Toc> <5. Parameters>5-7IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Auto-tuningAuto-tuning is a function with which the controller aut

Toc-i<Int> <Rev>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00CONTENTSModel UT351/UT321Digital Indicating ControllersUser’s ManualIM 05D01D

5-8<Toc> <5. Parameters>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Hysteresis (for Target Setpoints (On-Off Control) and Alarm Setpoi

<Toc> <5. Parameters>5-9IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00The figure below shows an example when the Target Setpoint Number (S

5-10<Toc> <5. Parameters>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Setup Parameters● Control Function-related ParametersAlarm-1 type

<Toc> <5. Parameters>5-11IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00PID control mode0: Standard PID control (with output bump at SP ch

5-12<Toc> <5. Parameters>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00● Precautions for Use of Heater Burnout Alarm(1) The heater burnout

<Toc> <5. Parameters>5-13IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00● Input-/Output-related ParametersHeating/coolingtype: 4The followi

5-14<Toc> <5. Parameters>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00DI function selection 1(DIS)Retransmission output type1: PV, 2: SP

<Toc> <5. Parameters>5-15IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Functions of Active Color PV DisplayThis part describes the funct

5-16<Toc> <5. Parameters>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00Set high limit “70°C” for PCCH, and low limit “20°C” for PCCL.PV di

<Toc> <5. Parameters>5-17IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 External RJCThe external RJC is not a compensation function built

<Int> <Rev>IM 05D01D12-41EToc-ii6th Edition: Mar. 25, 2005-005. Parameters...

5-18<Toc> <5. Parameters>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Useful Operating Displays (SELECT Display)Registering frequently

<Toc> <5. Parameters>5-19IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Heating/Cooling Control (for a Heating/Cooling Controller Only)In

5-20<Toc> <5. Parameters>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Cycle TimeA cycle time can only be set if the type of control out

<Toc> <6. Function Block Diagram and Descriptions>6-1IM 05D01D12-41E 6th Edition: Mar. 25, 2005-006. Function Block Diagram andDescriptio

6-2<Toc> <6. Function Block Diagram and Descriptions>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Function Block Diagram for Standard T

<Toc> <6. Function Block Diagram and Descriptions>6-3IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Function Block Diagram for Heating/Co

6-4<Toc> <6. Function Block Diagram and Descriptions>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00Functions and Parameters for “Standard

<Toc> <6. Function Block Diagram and Descriptions>6-5IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Contact InputChanging the setpoint of

6-6<Toc> <6. Function Block Diagram and Descriptions>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Target Setpoint and PIDIt is possible

<Toc> <6. Function Block Diagram and Descriptions>6-7IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Control OutputControl output (OUTPUT1

<Toc> <1. Installation>1-1IM 05D01D12-41E 6th Edition: Mar. 25, 2005-001. InstallationThis chapter describes installation, wiring, and ot

6-8<Toc> <6. Function Block Diagram and Descriptions>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00 Retransmission OutputPV, target setpo

i<Int> <Toc>IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00Revision Information● Title : Model UT351/UT321 Digital Indicating Controllers Us

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