You wish to SINK all my digital inputs to a PLC digital input card. Would you common out the leads to a positive or a negative connection?

1 Answers  

---

What is the function of SMPS

2 Answers  

---

diffrence b/w accuracy and precision?

4 Answers   HPCL,

---

what is the diffrene between DCS System and PLC System

5 Answers  

---

what is modbus?and why use it?what benifit

2 Answers  

---

Why the Air Tank Accumulators required for the single acting actuators SDV's or BDV's as I see in some Schematic diagrams of ROTORK ??

2 Answers   L&T, Siemens,

---

What Is Pre- Commissioning Package +what is DCS & ESD Pre- Commissioning for Instruments Please explain your answer on practical ground base

0 Answers  

---

all questions related to instrument technician in any offshore oil and gas company.

0 Answers  

---

what is AWG?

2 Answers   NTPC,

---

What is live zero and dead zero

2 Answers  

---

Wht should be the ratio of natural frequency (Fn) to wake frequency (Fw) and wht if goes above the rato limit?

2 Answers  

---

what's meanning of 1250KVA and how to calculate with Volttage and Current. answer give with example.

3 Answers  

---