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The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
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- 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?
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i have a jumo 500 controller
it opearates a steam modulating valve
it opearates a steam modulating valve
New Replies:
By reminder on 9 September, 2009 - 11:02 pm -
I think the controller indicator acts as the program. please find out the scaling block program and...
Process Temperature is 1500 Deg Cen & process pressure is 2 Bar abs max
New Replies:
By Y.K.JARIWALA on 9 September, 2009 - 2:00 am -
Dear Swapnil: Just to inform you that, installation used and mentioned in this thread works very...
By Richard VanLieshout on 8 September, 2009 - 11:48 am -
Our Company is going to build some pressure transmitters with NaK fill for a customer. We are...
I would like to know the operation of positioner.
New Replies:
By YKL on 8 September, 2009 - 11:49 pm -
Dear CPPguy,
very much agreed with you. It is never a shame to ask if you don't know....
Where are Globe and Butterfly control valves generally used
New Replies:
By Michael At Sea on 8 September, 2009 - 2:22 pm -
I was taught that it was more a matter of how good of a shut off seal that you need. While you can...
In my experience, for control of the flow of liquids, butterfly valves are typically used for...
Vijeo Designer 5.0 installation error showing error 1324.
Insulation resistance test for instrument field cables
New Replies:
By JCP on 8 September, 2009 - 2:17 am -
Many thanks Max for your prompt reply.
Actually the first thing we have thought was that the...
By anonymous on 8 September, 2009 - 12:00 am -
It would be a good idea to check the insulation voltage ratings for the cables. 'Meggering' at 500...
Hi JCP,
actually i never work for Siemens control system but using basic concepts of field i...
I know everyone has their personal preferences, but I think it would be more interesting to discover which software is the worst...
New Replies:
By Harry on 7 September, 2009 - 11:00 am -
I have over 8 years experience with PARAGON. I am specialized in Fermentation and Bioreactor...
What is more important for desuperheater location in reduced space, upstream or downstream?
New Replies:
By Abhijit Goswami, Haldia on 7 September, 2009 - 7:20 am -
Templow requires 6D upstream & 15ft downstream straight run. For your case, it is 18 ft...
1st & 2nd stage shrouds for turbine
Sizing of control system for distillation project.
New Replies:
By Y.K.JARIWALA on 7 September, 2009 - 6:58 am -
WE can help you in column design [process design] with instrumentation & control loops
...
I have zero experience with petrochemical applications but, it should be basically the same as any...
high turndown ratio for gas flow measurement
New Replies:
By ADEEB on 7 September, 2009 - 5:34 am -
Dear All.
For natural gas Flow measurements.
1.) Vortex with Pressure temperature...
Need guidance to select suitable flow meter
New Replies:
By ADEEB on 7 September, 2009 - 5:23 am -
For Battery operated flow meter, Krohne Waterflux 2070,3070 are best and recommended by many...
By JMW on 3 September, 2009 - 9:14 am -
You could try FTI (Flow Technology Inc.) they do a lot of sub sea meters and high pressure meters...
By RK on 1 September, 2009 - 6:18 am -
Dear Mr.Walt Boyes,
Thanks for your response. I checked seametrics products and it looks to be...
By wboyes on 31 August, 2009 - 2:16 pm -
No, there's a whole sub-genre of battery operated meters designed for long term service like this....
By David on 30 August, 2009 - 2:55 pm -
An accuracy chart over a range of flow velocities is shown on Page 7 of the data sheet below, so...
wincc 6.0 - how to read compressed archive
In an Analog I/P module- for no of Inputs- 16 single ended,8 differential or 4 High-speed differential means....
New Replies:
The input card can be configured for three different modes.
1. as a 16 point analog input where...
one of the three drum level transmitter behaves abnormally
New Replies:
I sympathise with your problem. In my early days of commissioning boilers I had my first dog of a...
What is the basic philosophy of electric arc furnace electrode regulation? what inputs we are measuring? how are electrodes are being controlled? What type of protection circuits used to protect transformers?
Need information on the Unity's connectivity
New Replies:
The answer is NO. ONLY ONE USER AT A TIME!!
Also, I wonder how could somone be in 2 places at...
By chud on 2 September, 2009 - 7:46 am -
Why on earth would you want this feature? this can be very dangerous. What if two people are...
By Schneider Italy on 1 September, 2009 - 8:31 am -
No it isn't. One user at a time. If another one tried to connect, Unity would advise that the PLC...
Is a Separate Earth for Intrinsically Safe Instruments required?
New Replies:
By JMW on 3 September, 2009 - 9:29 am -
Hmm.
Perhaps some one can clarify for me then.
As I recall, IS with a zenner barrier requires a...
A question about how to deal with the pumps in a fuel dispensing application
New Replies:
By JMW on 3 September, 2009 - 9:25 am -
PD pumps should not run against a closed head or things start to break. There should be at the very...
Trying to use a Microcor III PR controller made by Coreci. Age unknown. The controller works in manual mode, but I am unable to decipher tuning and programming codes without a manual. Any help locating a manual for this controller would be greatly appreciated.
New Replies:
By orifeles on 2 September, 2009 - 6:16 am -
Hello, did you got your Microcor III manual?
If so i would appreciate a lot if you could send it...
I have a S7 PLC network with PROFIBUS protocol. There are WinCC HMI PC. How to integrate additional field devices by extending PROFIBUS
New Replies:
Your best bet is to get hold of the manual for the profibus option cards. It should give you info...
By David on 1 September, 2009 - 12:29 pm -
Well, I don't have Siemens S7, but I have used Siemens PDM and Sartorius load cell electronics.
...
Isn't there any solution for the situation? Where can I get help, please help...
We are considering using OSISoft's PI system to replace an existing SCADA and business applications related to Gas Distribution network operation and monitoring. Could you please suggest how flexible / easy it is to customise PI system for such a purpose.
GE Frame 5 limited below Rated Power
New Replies:
By MOB on 1 September, 2009 - 7:08 am -
To throw some light, I understand that the constants could have been possibly fiddled particularly...
Need help to learn basics of accessing process history databases through different programming languages (VBA, MATLAB, C++ etc..)
New Replies:
I am also in similar situation. I have WinCC v6.0 ( Siemens), Windows XP (Operating system) and...
The journals are accessible using sql through ODBC, they are in Oracle database tables.
The...
Performance analysis and optimization tool for power plant
New Replies:
Hi
One suggestion would be to check the offerings from:
http://www.blu-e.fr/default.aspx.
...
Fan Blower Motor control using soft starter
New Replies:
By chud on 31 August, 2009 - 4:09 am -
Was even thinking of putting in a mechanical brake on motor or shaft, or am i missing something?...
How to calibrate Gas Vortex flow meters, with Gas or liquid?
New Replies:
By anonymous on 31 August, 2009 - 1:16 am -
I think what you mean is, the electronics module of the Flow meter in question can be checked....
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