Answer / mahesh

Before start up a plant need to cheek instrument range, connection, parameter, soars. different cheeking only help of p&id.

Answer / raja2016

In addition to above ans w. r.t an instrument...

w.r.t to a system consists of PLC panel
Earthing should be done properly and proper earth resistance value...
Electronic earthing and body earthing..

UPS supply availability, all the cables.,
PLC-MCC
PLC- field
ensuring laid,terminated and loop checked okay...

PLC- SCADA PCs all Ethernet cables laid and terminated as per system architecture...

Answer / s93381

before the plant startup check all system instrument parameter that is Pre- commissioning.

Answer / faiyaz

before start up the plant we check all the instrument and parameter with the water in process line that is called pre commissioning

Answer / faiyaz

pre commissioning is the process of providing the ability of a pipe line and piping system to contain product without leaking

what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?

0 Answers  

---

What is the difference between PLC and DCS?

4 Answers   Honeywell,

---

What is the meaning of wet leg

0 Answers  

---

describe yourself?

1 Answers   TCS,

---

What is SLPC & MLPC? How it works?

2 Answers  

---

---

what's the minimum level required of SIL (safety integrity level)to use fire and gas system?

2 Answers   L&T,

---

Which standard of hazardous area classification used in India?

1 Answers   Orchid,

---

what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?

0 Answers   NTPC, PSU,

---

What is first echo & echo window in radar type level transmitter?

0 Answers  

---

How to calibrate DP transmitter by using HART communicator ?

1 Answers  

---

IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?

0 Answers  

---

what is compensation? temprature & pressure

0 Answers  

---