【正文】
203車盤下降繼電器KM12301車盤下降繼電器KM14302車盤下降繼電器KM16303車盤下降繼電器KM18201車盤上升繼電器KM7203車盤上升繼電器KM11301車盤上升繼電器KM13302車盤上升繼電器KM15303車盤上升繼電器KM17101車盤右移繼電器KM1101車盤左移繼電器KM2103車盤左移繼電器KM3103車盤右移繼電器KM4201車盤右移繼電器KM5201車盤左移繼電器KM6203車盤左移繼電器KM9203車盤右移繼電器KM10201車盤上升到位指示燈HL1203車盤上升到位指示燈HL2301車盤上升到位指示燈HL3302車盤上升到位指示燈HL4303車盤上升到位指示燈HL520301車盤下降到位指示燈HL6302車盤下降到位指示燈HL720303車盤下降到位指示燈HL8201車盤安全掛鉤YB1203車盤安全掛鉤YB2301車盤安全掛鉤YB3302車盤安全掛鉤YB4303車盤安全掛鉤YB5101車盤壓力指示燈HL9101車盤壓力指示燈HL10101車盤壓力指示燈HL11101車盤壓力指示燈HL12101車盤壓力指示燈HL13101車盤壓力指示燈HL14101車盤壓力指示燈HL15 PLC外部接線圖圖54 PLC外部接線圖 PLC的硬件系統(tǒng)結(jié)構(gòu)框圖 PLC功能圖1)201車盤停、取車梯形圖NETWORK 1 //201車盤停、取車語(yǔ)句表LD A O O AN = NETWORK 2LD A O AN = NETWORK 3LD A O AN = NETWORK 4LD A O AN = NETWORK 5LD A O AN = NETWORK 6LD A O AN = NETWORK 7LD A O AN = NETWORK 8LD A O AN = NETWORK 9 //101車盤右移且與201車盤下降互鎖LD AN = NETWORK 10 //掛鉤動(dòng)作LD O = NETWORK 11 //201車盤下降LDN A = NETWORK 12 //201車盤上升LD AN = NETWORK 13 //101車盤左移且與201車盤下降互鎖LD AN = 2)203車盤停、取車梯形圖NETWORK 1 //203車盤停、取車語(yǔ)句表LD A O O AN = NETWORK 2LD A O AN = NETWORK 3LD A O AN = NETWORK 4LD A O AN = NETWORK 5LD A O AN = NETWORK 6LD A O AN = NETWORK 7LD A O AN = NETWORK 8LD A O AN = NETWORK 9 //掛鉤動(dòng)作LD O = NETWORK 10 //103車盤左移且與203車盤下降互鎖LD AN = NETWORK 11 //203車盤下降且與其上升互鎖LD AN = NETWORK 12 //203車盤上升且與其下降互鎖LD AN = NETWORK 13 //103車盤右移且與203車盤下降互鎖LD AN = 3)301車盤停、取車梯形圖NETWORK 1 //301車盤停、取車語(yǔ)句表LD A A O O AN = NETWORK 2LD A O AN = NETWORK 3LD A A O AN = NETWORK 4LD A O AN = NETWORK 5LD A O AN = NETWORK 6LD A O AN = NETWORK 7LD A O AN = NETWORK 8LD A O AN = NETWORK 9 //掛鉤動(dòng)作LD O = NETWORK 10 //101車盤右移且與301車盤下降互鎖LD AN = NETWORK 11 //201車盤下降且與301車盤下降互鎖LD AN = NETWORK 12 //301車盤下降且與10201車盤左移互鎖LD AN AN = NETWORK 13 //301車盤上升且與10201車盤右移互鎖LD AN AN = NETWORK 14 //101左移且與301車盤下降互鎖LD AN = NETWORK 15 //201車盤左移且與301車盤下降互鎖LD AN = 4)302車盤停、取車梯形圖NETWORK 1 //302車盤停、取車語(yǔ)句表LD A O O AN = NETWORK 2LD A O AN = NETWORK 3LD A O AN = NETWORK 4LD A O AN = NETWORK 5LD A O AN = NETWORK 6LD A O AN = NETWORK 7