柜内机架卸载汇线槽的安装机组控制系统主要由过程控制单元、操作员工作站、数据通信接口等构成,通常,过程控制单元采用可编程序逻辑控制器(PLC),做为人机界面的操作员工作站采用带触摸屏的计算机。自动、连续地监视和控制压缩机组及其辅助系统的运行,保证人身和设备安全。具体来说,该系统至少满足以下性能:根据命令或条件,按预定程序自动完成机组的启动、加载、卸载和停机/紧急停机等操作;Unitcontrolsystemismainlycomposedofprocesscontrol,datacommunicationinterfaceunit,theoperatorworkstation,etc,ingeneral,theprocesscontrolunitadoptstheprogrammablelogiccontroller(PLC),theoperatorworkstationwithtouch-screenastheman-machineinterfaceofcomputer.Automaticallyandcontinuouslymonitorandcontroltheoperationofthecompressorunitanditsauxiliarysystem,toensurepersonalandequipmentsafety.Atleastmeetthefollowingperformance:specifically,thesystemaccordingtothecommandorconditions,inaccordancewiththescheduledprogramautomaticallyunitstart-up,loading,unloadingandstop/emergencystop,etc;在所有工况下执行对机组的保护;在系统故障或误操作的情况下避免不安全的因素发生;在触摸屏上显示各种工艺变量及其它有关参数;提供声光报警;与SCS交换信息;接受SCS的操作命令。全自动的完成对机组及其辅助系统和相关联部分的监控,如(但不局限于此):启动/停机顺序控制(包括各个阀门的顺序控制);负荷控制;Inallconditionstoprotecttheunit;Inthecaseofsystemfailureorincorrectoperationavoidunsafefactors;Onatouchscreendisplayvariousprocessvariablesandotherrelevantparameters;Providesoundandlightalarm;WiththeSCStoexchangeinformation;AccepttheSCSoperationcommand.Automaticcompletionofunitanditsauxiliarysystemandtheassociatedpartofthemonitoring,suchas(butnotlimitedtothis):start/stopsequencecontrol(includingthesequencecontrolvalve);Loadcontrol;://动力源控制(如电源等);速度控制及保护停机;机组机械状态监测及保护停机;就地控制柜通常包括触摸屏、开关、按钮、指示灯、24VDC电源等。就地控制柜选用钢质双门或单门标准尺寸柜,门上带安全锁。控制柜配备散热通风、照明等设施。控制柜的设计充分考虑了草莓苗机柜内部和外部电线/电缆的布线空间。Powercontrol(suchaspowersupply,etc.);Stopspeedcontrolandprotection;Unitdowntimemachineryconditionmonitoringandprotection;Localcontrolcabinetusuallyincludetouchscreens,switch,button,indicatorlight,the24VDCpowersupply,etc.Localcontrolcabinetchoosesteeltwo-doororsinglestandardsizecabinet,withsafetylockonthedoor.Controlcabinetisequippedwithacoolingventilation,lightingandotherfacilities.Controlcabinetdesignfullyconsidertheinternalandexternalwire/cablerackwiringspace.柜内机架与端子排的布置考虑了扩展余地且方便维护、检修,柜内布线全部通过汇线槽,柜下端安装接地母线。控制柜满足所处环境的防爆等级要求。用户负责向控制柜提供符合要求的电源:220VAC,1Ph,50Hz。供应商提供24VDC备用蓄电池。蓄电池安装在控制柜内。就地控制柜负责向发动机控制系统提供21.6-30VDC(最大尖峰电压2V,最小电流12Amps),用于发动机控制和点火。同时,泰山雄风向控制面板和末端设备提供16Amps电流,向成套撬装电磁阀提供24VDC。Enclosureframetothelayoutoftheterminalrowandconsideringthescalingandconvenientmaintenance,overhaul,allwiringthroughtroughinsideark,cabinetbottomgroundingbusbarinstallation.Controllercansatisfythedemandsofenvironmentexplosive-proofgrade.Userisresponsibleforprovidingmeetstherequirementsofpowersupplytothecontrolcabinet:220vac,1ph,50hz.Suppliersprovidethe24VDCbackupbattery.Batteryinstalledinthecontrolenclosure.Localcontrolcabinetisresponsibletotheenginecontrolsystemtoprovide21.6-30VDC(minimumrush2vvoltage,maximumcurrent12amps),://