InstallationandOperationManual
12
ALU
OneALUcansupportoneaddressableloopcircuit,whichsupportsupto252pointsofaddressabledevices.
Initializesandoperatesalldevicesresidingontheloopandcommunicatesallrelevantdevicesandevent
information,suchasalarmsandtroubles,totheSystemCPU.
Circuittopologysupport:Class
AorClassB.
ALUaddressissetbytherotaryswitchontheboard.Thevalidaddressrangeis1~4.
Figure8ALU
TheALUmustbesettoacorrectaddressbeforeuse.PleaserefertoUnitAddress
Settingsectionfordetail.
Addressable Loop
Circuit