Chapter 2 Installation and wiring72.5 Control circuit wiringThe Control circuit wiring should be separated from the main circuitwiring. Do not put them together in one slot.Terminal marks:Terminalmarks Terminal Function SupplementCOM External multifunctional commonterminalX1-COM The first input terminal 4 terminals can build up16 speeds. 0000 refersfirst speed,0001 refers tosecond speed,0010refers to third speed ,0011 refers to fourthspeed…..1111 is the 16thspeedX2-COM The second input terminalX3-COM The third input terminalX4-COM The fourth input terminalFWD-COM Forward rotation/ Stop Run ->StopStop ->forward rotateREV-COM Reversion/ Stop Run->pauseStop ->reverseDCM Digital signalFO-DCM Analog Cymometer /galvanometerACM Analog signalCMThe common point of outputinstruction signalcontact output of therelaycontact output of therelay