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Universal Intelligent ControllerDX SeriesSimple Operation & Authorization Setup Function Per Each Access CodeBecause of easy and intuitional menu constitution settable by users, DX series is convenient for operationsetup and communicability, and it embeds authorization setup function per each access code,so that it can prevent the equipments from malfunction.Also, it can provide users with very reasonable price in contradistinction with cost in spite of a combinationof network ability and control function.Big Size Graphic LCD (240x128, 5 inch)DX series applies for big size graphic LCD which makes it possible to provide users with severallanguages (Korean, Chinese, English and Japanese). Also, it maximizes users’convenience bysupporting both graphic and text interface.Error Message & Alarm Display (Operation Status Recording Devise Embedded)DX series can display error information such as failure or malfunction of the equipments with a simplemessage, so users or engineers can check and manage the equipments. Also, it can save maximum 200shut down histories and states when error occurred, so it provides users with easy analysis of problems.(Embedding black box function)Reliable Preventative and Maintenance FunctionDX series provides users with the information about a cycle of PM and consumable parts exchangingschedule which is very helpful not only to maintain good state of the equipment but also to save PM cost.Solution against Noise from the External EnvironmentIt is a mandatory requirement to have a solution against noise as an industrial controller.DX series has insulated digital input and output signal which prevents the external signal from going intoinside of main board. And, Watch Dog timer is operating in CPU per every 32msec which automaticallyrecovers from CPU down occurred by noise.Also, brownout function is embedded in CPU inside for a real-time detection of control power.Various Analogue Output FunctionDX series can basically use 3 of 4~20mA output. 3 of analogue output can be applied for the requiredcontrolling or transmitting output according to users’ setting.RS485 Communication FunctionApplying for RS485 communication method based on MODBUS RTU/ASCII Protocol,DX series helps users to construct convenient SCADA/HMI system which is possible for precise centralconcentrated monitoring with PLC, PC, and touch screen.Compact & Slim SizeBecause of unified type of main control part and display part, the size of compressor can be minimized bysecuring enough places.Various Sensor LineupsDX series can be used with various lineups of DOTECH’s sensors for temperature, humidity, pressure anddifferential pressure, so it provides users with excellent compatibility and extended application.IP65 CertificationDX series has passed IP65 front side test, so it is possible to be used in poor environment,such as dusty and humid place.
HVACControllerDX100 / DX120 / DX140DX100 series based on microprocessor has realized the best control and stability with efficient control for HVAC units(AHU, constant temperature & humidity unit and dehumidifier) and perfect interface with safety devices.Its elegant graphic LCD display and LED helps users to check the current state of the units.Also, it provides users with the information about PM & trip alarm history for quick and easy treatment.- Temperature & humidity control function, Max. 6 loop of independent step operating function- Alternative operation by max. 4 compressors and 8 heaters- Backup operating function- Prevention from frequent starting failure occurred by low pressure huntingusing low pressure switch in compressor- Successive starting function, pump down function and prevention from restarting function- Control function for cold water, hot water, steam valve, SCR, damper designed for HVAC(4~20mA PID control)- Detection of error in temperature and humidity sensor, Alarm function, Output ofequipment state (Refrigeration, Dehumidification, Heating and Humidification)ㅁModels- DX100 : HVAC Controller (2Comp)- DX120 : HVAC Controller (4Comp)- DX140 : Exclusive controller for constant temperature and humidityㅁApplicationsExhaust AirSupply AirReturn AirOutside Airㅇ Constant temperature & humidity unitㅇ AHUㅇ Dry type dehumidifierㅇ Various types of HVAC systemㅁDisplay for Operation StateㅁMENU ConstitutionPresent TemperatureSet TemperatureDigital Output StateOperation StateDigital Input StateTemperature + Humidity Control DisplayPVSP25.025.050.0C PV%SPCM1 SL1 CM2 SL2 H1 H2 H3 H4 H5 HUD ALR BROLOC STPC1A LP1 LP2 C2A RHA AFS HUA BRA RET50.008:20DPS. ALARM08Lock SignalPresent HumiditySet HumidityPresent TimeAlarm MessageEquipment State CodeMENU SELECTRUN INFOOPERATIONSCHEDULETRIP LOGOPERATION▶ SET TEMPERATURE : 25.0 ℃SET HUMIDITY : 50.0 %COOL DIFFERENCE : 200 PaHEAT DIFFERENCE : 120 ℃DEHUMIDITY DIFF : 1.0 ℃TRIP LOG00 080102 15:55 FIRST POWER ON01 080102 16:10 FAN FAULT02 080102 16:30 COMP#1 FAULT03 080102 16:30 COMP#2 FAULT04 080102 16:45 X HEATER FAULTTemperature Single Control DisplayHumidity Single Control DisplayPresentTemperatureC SP25.0 25.0PVCM1 SL1 CM2 SL2 H1 H2 H3 H4 H5 ALR BRO08:20LOC STPSTAND BYC1A LP1 LP2 C2A RHA AFS BRA RET 08CSetTemp.CurrentHumidity% SP50.0 50.0PVCM1 SL1LOCSTPCM2 SL2C1A LP1 LP2 C2AAFSHUAHUD ALR BROBRA RET%08:20STAND BY08Set HumidityTRIP LOG STATECOMP#1 FAULT ON 080102 16:30TEMO : -20.0℃ HUM : 15.0%ID (10~1):N (12~1):ㅁWiring Diagram (DX100)SURGEABSORBERNOISEFILTER100AC TRANSFORMERAC 220V / 24V, 50VAG0 (NEUTRAL)UIC DX100 Series ControllerTERMINALDESC.NOJ1 - 1J1 - 2J1 - 3FGG0GLEGEND24VAC 50/60HzCONTROLLERPOWER INPUTLEGENDCOMPRESSOR #1ON/OFF CONTROLMAIN SOL #1ON/OFF CONTROLCOMPRESSOR #2ON/OFF CONTROLDESC. TERMINAL NON1 J21 - 1N2J21 - 2N3J21 - 3COMP1COMP2AC 220V, 50/60Hzafter Noise filter Output TerminalSOL1100200FUSE3AAC 220V50/60Hz250VAC 5A200G (HOT)FUSE3ARH+RH-TH1TH2(1)RH & TEMP TRANSMITTERCompressor #1 AlarmLP Switch for Comp #1Sheild WireJ11 - 1 +24VJ11 - 2 B4J11 - 3 B5J11 - 4 AVSSJ12 - 1 B1J12 - 2 AVSSJ12 - 3 B2J12 - 4 AVSSJ12 - 5 B3RH INPUT(4~20mA)TEMP INPUT(4~20mA)TEMP INPUT-10 ~ 100 ℃SPARE TEMPReact Heater Temp-20 ~ 200℃J13 - 1 ID1 COMP#1 ALARMJ13 - 2 ID2 COMP#1 LPSMAIN SOL #2ON/OFF CONTROLOUTPUT COMMON 1RE-HEATER #1ON/OFF CONTROLRE-HEATER #2ON/OFF CONTROLMULTI-FUNCTIONON/OFF CONTROLMULTI-FUNCTIONON/OFF CONTROLOUTPUT COMMON 2N4C1N5N6N3N8C2J21 - 4J21 - 5J22 - 1J22 - 2J22 - 3J22 - 4J22 - 5RH1N7SOL2RH2N8Compressor #2 AlarmJ13 - 3ID3COMP#2 ALARMMULTI-FUNCTIONON/OFF CONTROLN9J23 - 1N9LP Switch for Comp #2J13 - 4ID4COMP#2 LPSMULTI-FUNCTIONON/OFF CONTROLN10J23 - 2N10Halon, Smog DetectorReact Fan OCRG (HOT)J13 - 5J13 - 6ID5IDCM1Halon, Smog DetectorReact-Fan AlarmID COMMONMULTI-FUNCTIONON/OFF CONTROLBROWER (Pump)ON/OFF CONTROLN11N12J23 - 3J23 - 4N11BWRRe-Heater AlarmFlow SWHumidifier AlarmBrower(Pump) Over CurrentRemote SignalMMI CONNECTIONRS-485 (MODBUS)EXTENTION BOARDG (HOT)J14 - 1J14 - 2J14 - 3J14 - 4J14 - 5J14 - 6ID6ID7ID8ID9ID10* Optional Spec.TB1 - 1 SGTB1 - 2 BTB1 - 3 A* Optional Spec.TB2 - 1 SGTB2 - 2 BTB2 - 3 AIDCM2RE-HEATER OTFlow S/WHUMIDIFY ALARMBROWER OCRREMOTE ON/OFFID COMMONSYSTEM BUS RS485LOCAL BUS RS485OUTPUT COMMON 3C3J23 - 5* Optional Spec.MULTI-FUNCTION Y1J6 - 1ANALOG#1(4~20mA) YG1J6 - 2MULTI-FUNCTION Y2J6 - 3ANALOG#2(4~20mA) YG2J6 - 4MULTI-FUNCTION Y3J6 - 5ANALOG#3(4~20mA) YG3J6 - 6* MULTI-FUNCTION CONTROL (Selctable user)PID ANALOG #1~3 DIGITAL ON/OFF(N7~N11)1. Cool & Dehumid 1. Heater #3~#72.Cool Control2. Humidifier #1~#43. Dehumid. Control 3. Total alarm4. Error (Over/Under Range)4. Heat Control5. React Fan5. Diff. Press Control6. React Heater #1~#47. Temperature Retrans. 7. Run/Stop State8. Humidity Retrans. 8. Cool State9. Diff. Retrans.9. Heat State10. Dehumidify State11. Humidify State※ Shield Wire UseConnection Frame and BuildingGround+-+-+-
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