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BI TP PLC

BI TP PLCBI 1: nh thi gian

a.Phn b u vo/ra :

b.Chng trnh iu khin:

BI 2: Theo di sn phm hng

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a.Phn b u vo/ra:

c. Chng trnh iu khin :

BI 3: H thng cp nhit chnha.Quy trnh cng ngh:

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Bn nu nc Q0.1 c nu t ng khi mc nc chm cmbin nhit phng I0.2 to h thng si Q0.2 v mc ncdng ln tip n cm bin nhit to h thng nc nng Q0.3.

b.Phn b u/vo:

c.Chong trnh iu khin:

BI 4: Chng trnh trn sna.Quy trnh cng ngh:Mu sn c to bi 3 mu cp bi 3 ng c Q0.1, Q0.2,

Q0.3 v ng c trn Q0.0

Khi h thng sn c bm , ng c trn s tip tc trong10 giy ri dng. Sau qu trnh trn sn s tho qua van Q0.4 v

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BI TP PLC

ng c x Q0.5 cho n khi cm bin mc thp I0.3 dng x.Qu trnh c tip tc cho m khc.

b.Phn b u vo/ra:

c. Chng trnh iu khin:

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BI 5: Bng chuyn ng hpa. Quy trnh cng ngh:Khi bng chuyn 1 chy ti gp cm bin 1 th hp dng li nhn sn

phm.Khi cm bin nhn th bng chuyn 2 chy a snphm ti hp. Khi cm bin 2 m 5 sn phm th bng chuyn 1 tip tcchuyn ng.

Qu trnh c tip tc nh vy.b.Phn b u vo/ra:

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BI TP PLC

c.Chng trnh iu khin :

BI 6: n giao thng

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a.Quy trnh cng ngh:Thc hin iu khin ngi v xe qua li trn cc giao l.Yu cu ca h

thng iu khin giao thng l:+ n trong 30 giy+ n vng trong 3 giy

+ n xanh trong 27 giyb.Phn b u vo/ra:

c.Chng trnh iu khin:

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BI 7: H thng ting chim bo khcha. Quy trnh cng ngh:Khi c khch n trc cng th cm bin pht hin vt cn tc

ng n b pht m thanh ting chim trong thi gian 5 giy vbo bit l c khch.

b. Phn b u vo/ra:

c.Chng trnh iu khin:

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Bi 8: Phn loi sn phm mua.Quy trnh cng ngh:H thng rt bi c quy nh bi ng c Q0.0. Khi bi chy

trn bng ti th cm bin mu en I0.2 tc ng n van Q0.1y bi en sang hp mu en. Cn I0.2 khng tc ng thi bi s vo hp mu trng.

b.Phn cng u vo/ra:

c.Chng trnh iu khin:

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Bi 9: H thng nhp mt m cho ca hnh chnha.Quy trnh cng ngh:Mun vo c ca hnh chnh cn nhp ng mt m. Mt mgm 2 trong ba s yu cu nhp: I0.2, I0.3, I0.4. Nhp ng thca m, sai th yu cu nhp li.

b.Phn cng u vo/ra:

c.chng trnh iu khin:

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Bi 10: H thng bo v dp laa.Quy trnh cng ngh:Ti khu vc kho hng, nu c chy th cm bin khi s tc

ng h thng ci trong 5 giy ng c dp la v cng trongthi gian h thng x cung cp nc dp la.

b.Phn cng u vo/ra:

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c.Chng trnh iu khin: