Answer Posted / jignesh parekh

during fail of profibus a valve be remain as it is. because
there is no command to travel a control valve move close or
open.

What is the difference between PLC and DDC?

2190

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what is IEC code in cables & how to selecting cables?

1828

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plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}

2335

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TEMPERATURE VARIATION FOR FREQUENTLY.

2051

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Full form of KKS when use DCS.

3168

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Describe the typical instrumentation used in monitoring the performance of a shell and tube heat exchanger.

2083

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use of split range ? where it is used ? in which control loop it is used ?

1971

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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.

2197

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how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

2685

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Isometric drawings are generated during _________________ phase of a project

2080

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What is the start up procedure of desalter

3685

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why fuse block is not used for AI signal?

1898

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What are the key features of a Distributed Control System? describing the various layers (sensor through to business system interfaces) as well as the hardware, software and security aspects of the DCS.

2226

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what is scale factor of proximitor & unit of the vibration.

2145

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Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

1528

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