1) name the communication cable and how it is communicate in between plc to modbus , plc with hmi? 2)name of the communication cables?

1 Answers  

---

Why birds seating in HT line does not get shock? If person hangs in HT line (single hand or both hands) does he get shock?

15 Answers   SSC,

---

Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

0 Answers  

---

How will polarity test of Dy5 Transformer ?

0 Answers  

---

what is lxr?

0 Answers   NTPC,

---

---

Can we connect CBCT in the Busduct

1 Answers  

---

how we identify AC or DC machine at the time of seeing, with out use of name plate?

4 Answers  

---

slor cell made?

1 Answers  

---

The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls ?

3 Answers   CTS,

---

how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.

1 Answers  

---

what are the type of transformer?

4 Answers  

---

how you configure motorvision relay (L&T make)from DCS

0 Answers   Ispat,

---