Answer / jonathan r. lambert

Try programming your PLC to perform the functions of a
simple traffic light. This will work best if you have red,
green and yellow LED's or incandescant lamps mounted upon a
model intersection. If this appears too simple, you can
also include left turn arrows and even better, include a
proximity switch for an actuated intersection - where the
presence of a "car" is recognized and used to alter the
program so the car gets a green light. I've done this with
multiple PLC's and intersections where cars moving in a
single direction through multiple intersections receive a
progression of all green lights. Good luck.

What are the components of feedback control system?

0 Answers  

---

In Extended Delta transformer, by which method we can measure the extended angle of transformer?

1 Answers   Usha Martin,

---

How earth fault & earth leakage equvpment are works?

5 Answers  

---

Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.

0 Answers  

---

What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load

0 Answers  

---

In Delta connected capcitor bank, One bank failed due to some problem. Can we connect Open delta capacitor bank to 3 phase motor. The motor voltage rating is 6.6KV. IF yes what changes will happen?

1 Answers  

---

if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

0 Answers   BSNL,

---

WHY IS THE UNITY POWER FACTOR NOT THE MOST CONOMICAL POWER FACTOR?

3 Answers  

---

What is the functaion of IGBT in UPS system?

1 Answers  

---

How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers  

---

If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?

0 Answers   Cap Gemini,

---

In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

0 Answers  

---