19Type Terminal Name Function descriptionAnaloginput +10V +10V powersupplyProvide +10V power supply for externalunits,with maximum output current of 10mA.It is generally used as the operatingpowersupply for the external potentiometer.AI1Analog input 1(referenceground:GND)Analog input, 0~10V/ 0~20mA, switchedby J4(AI1) .GND Common terminalof analog signalCommon terminal of analog input andoutput signalAnalogoutputAO1 Analog output 1Provide voltage or current outputwhich can be switched by J1(AO1).Output range: 0~10V/ 0~20mAGND Common terminalof analog signalCommon terminal of analog input andoutput signalDigitalinputX1 Multifunctioninput terminal Digital signal input, The commonterminal is COM. Customers could useparameter F5.01~F5.07 to set thefunction. While using these terminals,pls short ﹢24V and PW. Terminal validstate Xn and COM are interlinked, Xnlow level effectively.Input voltage range: 9~30VInput impedance: 3.3kX2X3X4COMCommon groundterminal for digitalsignalDigitaloutput Y1 Open collectoroutput port Open collector output terminal, commonterminal For COM, the function can beset by Code F6.02.COMCommon groundterminal for digitalsignal