基于三菱PLC的温室大棚自动控制系统设计

20161LNGZXBVol.18No.1181PLC113122、[1]。[2]。[3]。PLC、、、[4]。PLC。2015-07-291981—1983—。。FX3UPLC、、、、。、。PLCTP273A1009—7600201601—0064—04TheDesignofGreenhouseAutomaticControlSystemBasedonMitsubishiPLCSUNRong-qingZHOUPengFushunVocationalTechnologyInstitute,Fushun113122,ChinaAbstract:InthenorthinChina,theapplicationofintelligentcontrolschemetothegreenhousestoformtheintelligentgreenhousecontrolsystemhasbecomeaneed.ThisautomaticcontrolsystemforgreenhousedesignadoptsthePLCofMitsubishiFX3Useries,andisequippedwithavarietyofsensors(carbondioxidesensor,lightsensor,temperaturesensorandsoilhumiditysensor)andactuators(coolingfan,shuttershadelightdevice,indoortemperatureheatingdeviceandsoilwaterreplenishingdevice).Thereal-timedetectionofindoorenvironmentbysensorsystemrealizestheaccuratecontrolandadjustmentofvariousinternalenvironmentalparametersofthegreenhouse,andeffectivelyguaranteesthehealthyandeffectivegrowthofcrops.Keywords:PLC;greenhouse;controlsystem;sensorJOURNALOFLIAONINGHIGHERVOCATIONALTechnologyApplication64LNGZXB20181Vol.18No.1181、、PLC、。1。。PLC、、。4～20mA、、。、、PLC、、。1．220V24V。PLC220V24。220V24V、4.5A。24V、24V。2．PLCPLCFX3UPLCFX3U-4ADA/D。FX3UPLC0.065us64KB[5]。FX3U-32MPLC。FX3U-4ADPLCA/D。FX3U-4AD12－10V10VDC5mV4～20mA－2020mA20uA[6]。FX3U-4AD420mAPLC24V、、。3．PLC24VPLC。4．、、。CO2、。24V4～20mA0～5000ppm。HSTL-GZD、、、。24V4～20mA0～20wLux。pt100。24V4～20mA－50～400℃。。24V4～20mA0%～100%。5．、、。。。。。、PLC。1PLCTechnologyApplicationPLC6520161LNGZXBVol.18No.11812．。3、4、5、6。1．PLCPLCFX3U-4AD。PLC、、。。PLC2。2PLC345TechnologyApplication66LNGZXB20181Vol.18No.1181!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!《》。《》《》、、、、、。。。。、。《》2016120、。7。。PLC。、、、。。———————————————————————[1].PLC[J].,2015(15):185.[2],,.[J].,2015(4):30-31.[3],.[J].,2015(4):13-14.[4].[J].,2014(35):72-73.[5],.FX3UPLC[J].,2007(9):1-3.[6].FX2N-4ADPLC[J].,2013(7):60-61.[]76TechnologyApplicationPLC67