THỰC TẬP PLC

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Thc tp PLC

BO CO THC TP PLC

Yu cu:1. 2. 3. 4. 5. Np file chng trnh v bo co (in) Bi ton quy trnh cng ngh Lit k s lng u vo ra (c th cho mi bi ton) Thit k thut ton Vit chng trnh

Nguyn Vn Linh (743) - TH K48

GVHD: Phm Th L

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Thc tp PLC

PHN I: GII THIU CHUNG V PLCPLC Programmable Logic Controller,

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GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC

PHN II: BI TON QUY TRNH CNG NGHI. Gara t Bi ton: Vit chng trnh iu khin cho mt bi xe hn ch cho 10 xe. Gara c ca vo/ra ring bit. Ti mi ca c gn cm bin xc nh xe n/i v gn cng tc hnh trnh (hoc cm bin) xc nh ngng ng/m ca. 1. S thut ton u vo/ra: 2. Chng trnh iu khin


GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC

II. Bng chuyn Bi ton: vit chng trnh iu khin cho bng chuyn

A

B

C

D

ng c gn vi bng chuyn truyn ng. khi bng chuyn di chuyn ti A, B, C, D th u phi dng li 15s, sau mi di chuyn tip.

1. S thut ton u vo/ra: Start Stop Cm bin v tr A Cm bin v tr B Cm bin v tr C Cm bin v tr D ng c a ch I0.0 I0.1 I0.2 I0.3 I0.4 I0.5 Q0.0 M0.0

Vo

Ra Bin trung gian


GVHD: Phm Th L

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Thc tp PLC

S thut ton:

2. Chng trnh iu khin


GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC

III.Bnh trn Bi ton: vit chng trnh iu khin cho bnh trn nh hnh v. Bit trong thng c gn cm bin mc dng s nh lng nguyn liu. Khi cm bin trong thng bo mc Low, 2 ng nguyn liu u c hot ng a nguyn liu vo thng. n khi cm bin bo Middle th dng cp liu van 1. Khi cm bin bo High th dng cp liu van 2 v khi ng ng c khuy. ng c khuy nguyn liu trong 30s v sau m van 3 x ht nguyn liu ra ri lp li chu trnh.

Ch : - Khi np khng khuy v x - Khi khuy khng np v x - Khi x khng np v khuy

1. S thut ton S lng u vo/ra: Start Stop Cm bin mc Low a ch I0.0 I0.1 I0.2GVHD: Phm Th L

Vo


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Thc tp PLC

Ra

Cm bin mc Middle Cm bin mc High Van 1 Van 2 Van 3 ng c khuy

Bin trung gian S thut ton:

I0.3 I0.4 Q0.0 Q0.1 Q0.2 Q0.3 M0.0


GVHD: Phm Th L

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Thc tp PLC



GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC

Yu cu m rng: khi x ht nguyn liu chng trnh s lp li chu trnh ban u. Khi h thng lm vic 10 m th dng hon ton h thng trong vng 10s, ri li t ng hot ng tr li nh ban u. u vo/ra: Start Stop Cm bin mc Low Cm bin mc Middle Cm bin mc High Van 1 Van 2 Van 3 ng c khuy a ch I0.0 I0.1 I0.2 I0.3 I0.4 Q0.0 Q0.1 Q0.2 Q0.3 M0.0

Vo

Ra



GVHD: Phm Th L

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Thc tp PLC

Chng trnh iu khin:


GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC

IV. n giao thng Bi ton: Vit chng trnh iu khin cho mt cm n giao thng ti mt ng t. Bit rng tng chu k n l 56s v thi gian phn b cho cc n nh sau: - Lung 1: n xanh 1 sng 27s, n vng 1 sng 3s, n 1 sng 26s. - Lung 2: n 2 sng 30s, n xanh 2 sng 23s, n vng 2 sng 3s. S :

1. S thut ton S lng u vo/ra: Vo Start Stop n xanh 1 n vng 1 n 1 n xanh 2 n vng 2 n 2 a ch I0.0 I0.1 Q0.0 Q0.1 Q0.2 Q0.3 Q0.4 Q0.5 M0.0

Ra

Bin trung gian


GVHD: Phm Th L

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Thc tp PLC

S thut ton: Lung 1: 27s Xanh 1 Lung 2: 30s 2 Xanh 2 3s Vng 1 26s 1 23s 3s Vng 2



GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC

V. Vit chng trnh cho bng in t Trng i Hc Giao Thng Vn Ti H Ni Bi ton: khi bt u khi ng cc ch sng dn ln theo chiu t tri sang phi. Mi ch cch nhau 2s. Sau khi sng ton b th cc ch tt i 1s v sng li theo chiu ngc li, mi ch cch nhau 3s. Khi sng tt c cc ch th tt ton b trong vng 2s, ri nhp nhy c bng ch vi chu k 3s. 1. S thut ton S lng u vo/ra: Vo Start Stop Trng i Hc Giao Thng Vn Ti H Ni a ch I0.0 I0.1 Q0.0 Q0.1 Q0.2 Q0.3 Q0.4 Q0.5 Q0.6 Q0.7 Q1.0 M0.0

Ra


Sng: Trng i 2s 2s Hc Giao Thng Vn Ti 2s 2s 2s 2s 2s H 2s Ni 2s

1s

Tt


GVHD: Phm Th L

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Thc tp PLC

3s

3s

3s

3s

3s

3s

3s

3s

3s Sng

Tt Sng

2s 1,5s 1,5s Tt



GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC

VI. My bm nc Bi ton: vit chng trnh cho mt trm bm gm 8 t hp bm lm vic theo trnh t sau: - Nu cm bin bo mc nc trong h l cao th 8 t hp bm lm vic lun phin lin tip, mi t hp lm vic trong 4 gi. - Nu cm bin bo mc nc trong h l trung bnh th 8 t hp bm lm vic lun phin lin tip, c 2 t hp bm lm vic trong 2 gi. - Nu cm bin bo mc nc trong h l thp th 8 t hp bm lm vic lun phin lin tip, c bn t hp bm lm vic trong 1 gi.

1. S thut ton Cc u vo/ra: Start Stop Cm bin mc High Cm bin mc Middle Cm bin mc Low Bm 1 Bm 2 Bm 3 Bm 4 Bm 5 Bm 6 Bm 7 Bm 8 a ch I0.0 I0.1 I0.2 I0.3 I0.4 Q0.0 Q0.1 Q0.2 Q0.3 Q0.4 Q0.5 Q0.6 Q0.7 M0.0 M0.1 (nh)

Vo

Ra

Bin trung gian


GVHD: Phm Th L

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Thc tp PLC

2. Chng trnh iu khin - S dng b lnh Counters


GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC

- S dng nhm lnh Move v Integer Math (T Network 1 ti Network 4 l tng t vi chng trnh s dng b lnh Counters)


GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC


GVHD: Phm Th L

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Thc tp PLC

MC LC

PHN I: GII THIU CHUNG V PLC .................................................................................. 2 PHN II: BI TON QUY TRNH CNG NGH .................................................................. 4 I. 1. 2. Gara t ............................................................................................................................... 4 S thut ton ................................................................................................................... 4 Chng trnh iu khin ...................................................................................................... 4 S thut ton ................................................................................................................... 6 Chng trnh iu khin ...................................................................................................... 7 Bnh trn ........................................................................................................................... 9 S thut ton ................................................................................................................... 9 Chng trnh iu khin .................................................................................................... 11 n giao thng ............................................................................................................... 17 S thut ton ................................................................................................................. 17 Chng trnh iu khin .................................................................................................... 18 S thut ton ................................................................................................................. 20 Chng trnh iu khin .................................................................................................... 21 My bm nc ............................................................................................................... 24 S thut ton ................................................................................................................. 24 Chng trnh iu khin .................................................................................................... 25 S dng b lnh Counter ................................................................................................... 25 S dng nhm lnh Move v Integer Math ....................................................................... 28

II. Bng chuyn......................................................................................................................... 6 1. 2. III. 1. 2.

Yu cu m rng: ...................................................................................................................... 13 IV. 1. 2.

V. Vit chng trnh cho bng in t ................................................................................... 20 1. 2. VI. 1. 2. -


GVHD: Phm Th L

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THỰC TẬP PLC