Interested to Buy Any Domain ? << Click Here >> for more details...
what happens when the profibus fails while in operation
(operation of a valve)?
- 5 Answers
- 12633 Views
- L&T, I also Faced
- E-Mail Answers
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.
| Is This Answer Correct ? | 2 Yes | 15 No |
Post New Answer View All Answers
what is basic difference between motion balance and force balance in pneumatic instrument?
How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.
hi friends,im an instrumentation and contol engg student,can u hlp me of suggsting barc written question paper,my id is roysuvaranjan@gmail.com, cel no.9563591747
How servomotor controls throttle valve of TURBINE?
How to calculate mmwc values into tonnes?
the pump holds on run indication into the dcs and filed local control panel remote push button condition operaton wrong like when the push button pushing conditions the pump is off and the push button release condition the pump is on totally opposite condition . And control room inside give the stop command into dcs just 1secon relay engage and again normal condition. How can I slove
what is the imbustion control loop
When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.
How do you identify between actual alarm and false alarm in a Temperature Transmitter in SCADA based Control System
I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration So is there any causes biside this or any permissives ?
What are the maximum packet size of: a) HART b) Profibus DP c)Profibus PA d) DeviceNet e) Foundation Fieldbus
in differential pressure transmitter,min&max pressure range for hp&lp
How can i copy program (parameter) from mm440 (V.F.D.) by using BOP?
What is the use of temprature compensation?
explain key exchanges in all security modes WPA,WPA2,TLS?
