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Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
For those who like this sort of thing, this is the sort of thing they
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-- Abraham Lincoln
like.
-- Abraham Lincoln
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Control.com member...
Member Information and Posts by DaveMH
from the Manager - Instrumentation department...
SIL-2 Certified SIS transmitters Diagnostics integration in ESD system
I want to know if it a must to integrate HART diagnostics from SIS transmitter within the Plant asset management system to meet Target SIL
New Replies:
Giriskant,
To my knowledge no credit has ever been claimed, with respect to SFF, for any...
Dear Girishkant,
> Is it OK in the above situation that I use a single SIL-2 transmitter...
A computer virus caused serious problems recently for an Australian electric utility.
New Replies:
Michael,
I think that I am more or less in agreement with your sentiment. The problem I have is...
Hello Michael,
Thank you for posting this as I am trying to keep some kind of log on incidents...
Can any body tell me the minimum level of wattage of signal to ignite the hydrocarbon atm?
New Replies:
It is the amount of energy available to the fuel mix thats important and that can be delivered not...
Doubts about "generic" instrument
New Replies:
Marlon,
> So my question is do we need a SIL 2 rated instruments for the SIL1 loop? <
...
Ricardo,
You might be better giving us more details/better context to judge the use of these...
Problem in putting Invensys Connoisseur APC in closed loop
New Replies:
Dear Kuman,
I am not sure we have understood each other so bear with me for a moment.
My...
what's the difference?
New Replies:
I may have got the wrong end of these last few posts. Apologies if thats the case.
There's a few...
which contact (NO or NC) of limit switches are used for safety operation, if their is a failure in case of wire cut.
New Replies:
I would back up what M Griffin said previously about about
1) There being no single answer...
requirements to be defined as a SIL-3 PLC
New Replies:
Your appreciation of the typical conventions in industry related to safety systems are generally...
MTBF data for Bailey System
New Replies:
Can you contact ABB?
Failing that if you have a reasonable history of failed items and the times...
What is a transfer function.
New Replies:
Ritika,
I'll try and be brief.
Yes a transfer function is basically a (linear) way of...
Can SILa initiators be shifted to the DCS
New Replies:
This may be a bit late however I'd like to add the following.
1) Judging from the language used...
SIS related issue regarding risk acceptance criteria
New Replies:
Dear Jorge,
The short answer to your question is no.
There are a range of risks to be...
Logics for CO2 Release systems in case of Fire
New Replies:
Just to add to the previous post a couple of things.
1) Traditionally (in my expeience) fire...
Any way to avoid $15K in agency approvals?
New Replies:
Peter,
Sorry its taken a while to get back.
If I've got this right you have a device in a box...
Why does it have to be IS?
There are other means of protecting hazardous area equipment like...
to get help for explosion proof equipment
New Replies:
Generally yes you can use equipment designed for zone 0 in zone 1 and 2 as zone 0 design criteria...
There is ultimately no substitute for reading the standards as a previous post has commented. Other...
DCS or ESD?
New Replies:
Wow are you venturing into new and uncharted territory (for you) from the sounds of it.
What you...
Definition on "Integrated" Control Systems
New Replies:
I'm afraid in this sense the word integrated can mean whatever the vendor defines it to mean. There...
My boss wants to build a workbench to test the invulnerability of a simple SCADA system against hacker attacks.
New Replies:
I have to agree with the previous 2 postings but I'll go a little further.
1) No computer based...
from the Control eng department...
Choosing a Distributed Control System for the Crude Oil and Natural Gas Extraction PlantDCS selection, SIS, Modbus, Profibus
New Replies:
At first glance of your requirements just about any of the major vendors (Honeywell, Invensys, ABB,...
1
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