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sveticcg [70]
3 years ago
5

There are two ingredients (A and B) that will be mixed in the reactor tank. Wait for READY signal to be on (when on, it signifie

s that QA Tank is ready for this batch). 2. To add the fixed amount of ingredient A to the mixing tank, VALVE_A needs to be on. To add the fixed amount of ingredient B to the mixing tank, VALVE_B needs to be on. Both VALVE_A and VALVE_B will be turned on for 10 seconds, then they need to be turned off automatically. 3. When material A is ready to be added, PULSE_A will be on. When material B is ready to be added, PULSE_B will be on. If the PULSE_A for material A (or PULSE_B for material B) is off, the material A cannot be added to the mixing tank even the VALVE_A is turned on. 4. After the materials are fed into the mixing tank, agitate and mix the materials at a high speed (500 rpm) by turning on the motor AGIT_ON_HS for 20 seconds. 5. After that, the agitate motor is then switch for a lower speed (200 rpm) by turning on the motor AGIT_ON_LS for 30 seconds.

Engineering
1 answer:
Svet_ta [14]3 years ago
5 0

Answer:

Find attached of the designed PLC

Explanation:

See the attached file for the explanation.

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Answer:

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Explanation:

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Maximum weight = 4 x P

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b). Change in resistance

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$\Delta R = k. \epsilon R$    , since $\epsilon= \Delta L/ L$

$\Delta R = 6.9 \times 0.03 \times 340$

$\Delta R = 70.38 $ Ω

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$\Delta R = 70.38 \times 4 = 281.52$ Ω

c). $k=\frac{\Delta R/R}{\epsilon}$

If linear strain,

$\frac{\Delta R}{R} \approx \frac{\Delta L}{L}$  , where k = 1

$\Delta R = \frac{\Delta L}{L} \times R$

$\Delta R = 0.03 \times 340$

$\Delta R = 10.2 $ Ω

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