PLC (,410003):PLC(),。,。:;PLC;PC;:TM571.6+1 :B :1004-0420(2005)06-0037-03Thedesignoftwo-sideddrillholemodularmachinetoolcontrolsystembasedonPLCXIONGXing-ming(ChangshaCollege,410003)Abstract:Thearticleintroducesthedesignclewoftwo-sideddrillholemodularmachinetoolcontrolsystembasedonPLC,andexpoundsthehardwareandsoftwaredesignofthesystemindetail.Themachinetoolstatecanbemonitoredandtheparametercanbeadjustedinthesitebytop-computer,andenablingthesystemtohaveoptimalproperty.Keywords:two-sideddrillholemodularmachinetool;PLC;PC;steppingsequencecontrol0 概况。,、,。:M1、M2、M3、M4。M2、M3、,。、、、,-。YA3~YA5;YA6~YA8;YA9、YA10;、YA1、YA2。1。1。,(),SB6,,1 YA1YA2YA3YA4YA5YA6YA7YA8YA9YA10+SB6+SQ2+++++KP+++SQ3、SQ6+++SQ4、SQ7+SQ5、SQ8+SQ9 SQ1 —37—·PLC———PLC2005.6、,,。,,,。1 1 系统组成,(PLC)、(PC)。,、。、、、、,。FX2N-48MRPLC,2。2 :M1KM1;M2KM2;M3KM3;M4KM4。,。、,SA1、SA2,SA3。SA1、SA2,、;,SA1,SA2。,,SA2,SA1;SA3“”,,、,,;SA3“”,SB3~SB11、、、、、;,。KP,,、。SQ1~SQ9/、、,。SQ1;SQ2;SQ3~SQ5、、;SQ6~SQ8、、;SQ9。PLC/3。3 PLC/。SB1、SB2、。SB2,,。SA3;SB5、SB6、。“”,SB6。SB7~SB11“”。、HL1、HL2,“”—38—2005.6·PLC———PLCHL3,“”HL4,HL5。2 控制程序“/”,、“”、“”。,,,。,、。“”,。,4。4 ,“”,,,,,,、。,、,、,,。SB6,。“”5。,,、,,“”SA1“”SA2。,,,。3 PLC与PC的通信,PCPLC。,1:n,。PLCRS-232C/RS-485,RS-232CPLCRS-485,。,,,。、、,,。5 “”4 结束语PLCPC,,,,。,,。、、、,。:[1] ,.[M].:,2002.[2] .PLC[M].:,2001.[3] FX2N[Z].MIT-SUBISHIELECTRICCORPORATION.:2005-03-30—39—·PLC———PLC2005.6