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Control.com member...
Member Information and Posts by papaya
Topic: Continuous process industries, DCS questions.
from the Instrument department...
Help with Ex Protection definition
Originally posted by papaya on 15 May, 2009 - 1:29 am
Ex Protection in Hazardous areas
New Replies:
Thanks, may i know how to contact you offline thankyou. Also interested in how Intrinsic safety...
Topic: Engineering and workplace issues.
from the Instrument department...
Interposing Relay Panel Question
Posted by Papaya on 15 April, 2009 - 8:50 pm
Do we still require Interposing Relay?
Topic: Application Questions and Problems
from the Control Valve department...
What is Lock-up valve
Posted by papaya on 24 March, 2009 - 5:00 am
What is Lock Up Valve?
Topic: Sensor technologies.
from the Transmitter department...
About Pressure Transmitter Zero Effect
Posted by papaya on 17 March, 2009 - 3:56 am
what is zero effect
Topic: Computers in manufacturing; also hardware discussion.
from the DCS or ESD department...
When does the signal connect to DCS or ESD
Posted by papaya on 25 February, 2009 - 8:25 pm
DCS or ESD?
Topic: PLCs and related questions.
from the Automation List department...
Why do you pay for PLC programming software?
Originally posted by Stephen on 6 June, 2002 - 9:45 am
A question that has been on my mind for some time...
New Replies:
$1200 for an automation software isn't really that expensive for the responsibility it holds right?...
Topic: Engineering and workplace issues.
from the Automation List department...
thermowell insertion length in vessel
Originally posted by fereshteh on 28 April, 2007 - 5:51 pm
Can anyone guide me about standard of thermowell's insertion length?
New Replies:
You can use this spreadsheet to calculate the acceptable lengths: ...
Originally posted by Ash on 23 May, 2007 - 11:39 pm
Should ground/earth for Electrical Power system and Electronic and Control system be separate or same?
New Replies:
Since we are talking about grounding, we need to ground analog instrument signals because analog is...
Topic: Continuous process industries, DCS questions.
from the safety valve department...
safety valve
Originally posted by karthik on 5 February, 2009 - 9:30 am
Diff. between safety valve and pressure relief valves
New Replies:
Assuming safety valve are non modulating (on/off), if after the pressure exceeded set pressure pops...
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