PLC编程的指令有哪些?答:基本指令:LD ,LDI,OUT,AND,ANI,OR,ORI,ORB,ANB,SET,RST,MPS,MRD,MPP,MC,MCR,INV,PLS,PLF,LDP,ANDP,ORP,LDF,ANDF,ORF,NOP,END,应用指令:MOV,CALL,CJ,EIDI,FEND,SRET,IRET,WDT,SMOV,BMOV,FMOV,XCH,CML,BCD,BIN,ADD,SUB,MUL,DIV,INC,DEC,WAND,WOR,WXOR,NEG,ROR,ROL,RCR,RCL,SFTR...