X76AM-4报警控制。输入模块的详细介绍AlarmCont.InputModule[X76AM-4]TheX76AMAlarmModuleispartoftheX76LVCandX76LVCSLeakDetectionSystems.ItprovidesforuptothreecontactinputstypicallyfromthehorizontalliquidlevelsensorLS-7,theverticallevelsensorLS-3,thehydrostaticleaksensorLS-30andthepressure/vacuumdecaysensorsJT-2PandJT-2V.TheX76AM-4报警控制。输入模块sensorcontactstransferifliquidispresentintheannularspaceofadouble-walltank,secondarycontainmentpipes,manholeorcaissoncompartments.Thealarmmodulemonitorsthestatusofthecontactsand,shouldanabnormalconditionoccur,thefrontpanelmountedLED抯willflashforavisualalarmindicationandtheaudiblealarmturnson.ThesystemACKpushbuttonallowstheoperatortosilencetheaudiblealarmandchangestheflashinglighttosteadyon.ThegreenLEDshows***ailabilityofpowertothemoduleandthecontacts.Themodule抯integralswitchesallowselectionofnormallyopen(sensorcontactopenwithnoliquid)ornormallyclosed(sensorcontactclosedwithnoliquid)sensorinputsignalstothealarmmodule.)