Answer Posted / mahesh

*PLC is the "Programmable Logic Controller".
*It Controls the logical device according to the program.
*The Program is done using the Ladder Language.
*SCADA is used for control & view what process is going.

where i can get training in INTOOLS and PDMS in Delhi-NCR OR north part of India. please reply with ur ans. at arunsamkaria@ymail.com

3582

---

What are the maximum packet size of: a) HART b) Profibus DP c)Profibus PA d) DeviceNet e) Foundation Fieldbus

5907

---

how to calculate the total flow in square root

2471

---

What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?

3425

---

Using your own examples solve a problem involving normal table. (experimental method and analysis)

1207

---

in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

3235

---

why we use 3 wire rtd direct wiring for temperature measurement instead of temperature transmitter like bearing temperature

1858

---

Yokogawa CENTUMVP R6.09 unable to download to Engineering Station with ExaOPC R3.75 The issue is when I try to download the common project section to the Engineering Station (STN) from the HIS in System View, it is unable to connect. The error displayed is: WARNING: Could not connect to equalize destination. (7001) Retrying. Number of retries = 0/1 ERROR: LdXopsLoadMain: connect error 10060 ERROR: Processing terminated due to connection error. (7002) Equalization end with errors. STN0149 ---- ERROR = 2 WARNING = 1 ---- Background: >Updated the ExaOPC software on the STN from 3.60 to 3.75 >STN operating system is Windows Server 2008 R2 >HIS operating system is Windows Server 2016 Stanard Solutions attempted include: >Ensuring all IP addresses are correct and all networked devices can be pinged. >The ability to ping a device using its host name from another device ( from HIS) >Ensure both devices firewalls are disabled. >The antivirus installed on the STN is disabled. >Ensuring both devices are within the same workgroup. >Added both devices to each other's Host and LMHost files. >Running IT Security tool after changing any administrative settings.

2242

---

I want to know about DDCMIS in detail ? please explain it. Also give name of reference books in which it is explained in detail in very simple manner.

3906

---

What happen if I install my pressure transmitter below the elevation of pipe in natural gas service?

1247

---

draw the block diagram of a level transmitter ?

2431

---

which type of zones used for boiler? & why ?

1908

---

What is the purpose of the analyzer in petrochemical plant?

3925

---

How to do gas analysers calibration in AUTO and Manually by using zero and span gas?

2388

---

please send the sample qustion paper for iocl written test ..

3755

---