Caution =THIS IS A GUIDE not the exact replica of the
summative assessment prepare yourself accordingly.
Question I
For the program below :
a) Which language is it using ?
b) Convert the program in ladder language.
0 LD START
1 OR M7
2 ST M1
3 CAL TP TIMER1
4 IN:= M1
5 PT:= M11
6 CAL TP TIMER1
7 IN:= M1
8 PT:= T#3S
9 CAL F_TRIG FLNG_T1
10 CLK:= TIMER1.Q
11 CAL TP TIMER2
12 IN:= FLNG_T1.Q
13 PT:= T#3S
14 CAL F_TRIG FLNG_T2
15 CLK:= TIMER2.Q
16 LD FLNG_T2.Q
17 ST M7
18 LD TIMER1.Q
19 ST LMP1
20 LD TIMER2.Q
21 ST LMP2
22 LD M10
23 ST M11
24 CAL CTU CNT1
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25 CU:= M7
26 R:= RST1
27 PV:= 20
28 LD CNT1.CV
29 ST M12
Question II
a) Draw the step displacement diagram of the machine below.
b) Explain the machine working process in your own words.
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Question III
Enumerate all the component in this diagram and discuss their specifications.
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Question IV
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