I i i1 1 t( s)
S2 /0.2 Bao hang 6' vi trf cu6i ban nang, thLI'cmq d6ng
S3 10.3 Gi&i h,;m dU'&i ban nang, thLI'O'ng d6ng S4 10.4 Gi&i hc;m tren ban nanq, thLI'O'nq d6nq S5 /0.5 Bao hang 6' cu6i ban Ian 2
Thanh chan QO.O Chc;in hang h6a 6' ban nang 1
Bang tai Q0.1 Bang tai chuven hang
K1 Q0.2 Nang hang hoa len
K2 Q0.3 H9 ban nang xu6ng
d. Bai tap mau
Thiet bi nang hang ho9t dong- nhLI' sau:
Hang h6a dU'Q'C dc;it san tren ban Ian 1. Ban nang 6' vi trf gi&i hc;rn dU'&i th1 khi an nut kh&i dong "ON", bang tai tren ban nang ho9t dong, dong th6'i thanh chan h9 xu6ng (s& d1,mg khf nen) khoang 2s de hang h6a dU'Q'C dLI'a sang ban nang. Sau d6 thanh chan tr& v§ vi trf co.
Khi hang h6a den vi trf cu6i ban nang (S2), th1 bang tai dl.l'ng. Kh&i dong tl.l' K1 cua dong CO' M1 c6 di~n keo ban nang len. Khi den gi&i hc;1n tren th1 ban nang dl.l'ng lc;ti. Bang tai bat d§u chuyen dong dU'a hang sang ban Ian 2. Khi hang den c6ng tac hanh tr1nh S5 th1 bang tai dl.l'ng. Kh&i dong tl.l' K2 cua d(mg CO' M1 c6 di~n hc;t ban nang xu6ng, den gi&i hc;tn dU'&i th1 dl.l'ng.
Qua tr1nh m&i 19i bat d§u cho den khi nao nhan nut dung "OFF"
Hay viet chLI'O'ng tr1nh dieu khien thiet bi nang tren va kiem tra bang m6 h1nh theo hai each:
a. Viet theo t6 hQ'p Logic b. Viet theo di§u khien tr1nh tlJ'.
Bai giai mau (Viet theo phLI'O'ng phap tr1nh tV'):
ChU'O'ng trlnh vi§t 6'. LAD:
Network 1 Set o nho tu dong
Network 10 F:eset buoc 5
10.0 M20.0
I - - ( s )
Network 2 Reset o nr,o t1.1 dong
10.1 M20.0
I - I -----1.( R )
M15.5 M15.4
'°;'T ~)
1
Network 11 Bi.me 5: f{et thuc
Network 3 Buoc 1: Nhan hang
M20.0 M20.1 M15.1
I---1 I - I - ( 8 )
M1 5.4 10.3 M1 5.5
- I --1 1 - I ----r( s )
Network 4 F;eset buoc ·1 Network 12 Reset b1;0,:: 5
M15.2 M15.1 M15.1 M15.5
";1T R) ",1T ~)
Network 5 Buoc 2: Nang hang
M15.1 10.2 M15.2 Network 13 Set o nho khoi dong
i--1 ---11 1 1---c s ) M15.1 M20.1
1--( s)
Network 6 Reset buoc 2
M15.3 M15.2
'°;1y~)
Network 7 Buoc 3: Chuyen hang
Network 14 Reset o nho khoi dong
M15.5 M20.1
'°;1TR)
M15.2 10.4 M15.3